package server

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"log"
	"net/http"
	"net/url"
	"strconv"
	"strings"
	"time"

	"github.com/go-chi/chi/v5"
	"github.com/google/uuid"
	"github.com/gorilla/websocket"
	"github.com/writekitapp/writekit/internal/config"
	"github.com/writekitapp/writekit/internal/db"
	"github.com/writekitapp/writekit/internal/imaginary"
	"github.com/writekitapp/writekit/internal/markdown"
	"github.com/writekitapp/writekit/internal/tenant"
)

func renderContent(q *tenant.Queries, r *http.Request, content string) string {
	settings, _ := q.GetSettings(r.Context())
	codeTheme := "github"
	if t, ok := settings["code_theme"]; ok && t != "" {
		codeTheme = t
	}
	html, _ := markdown.RenderWithTheme(content, codeTheme)
	return html
}

func (s *Server) studioRoutes() chi.Router {
	r := chi.NewRouter()

	r.Get("/posts", s.listPosts)
	r.Post("/posts", s.createPost)
	r.Get("/posts/{slug}", s.getPost)
	r.Put("/posts/{slug}", s.updatePost)
	r.Delete("/posts/{slug}", s.deletePost)

	r.Post("/posts/{id}/publish", s.publishPost)
	r.Post("/posts/{id}/unpublish", s.unpublishPost)
	r.Get("/posts/{id}/draft", s.getDraft)
	r.Put("/posts/{id}/draft", s.saveDraft)
	r.Delete("/posts/{id}/draft", s.discardDraft)
	r.Get("/posts/{id}/versions", s.listVersions)
	r.Post("/posts/{id}/versions/{versionId}/restore", s.restoreVersion)
	r.Post("/posts/{id}/render", s.renderPreview)

	r.Get("/settings", s.getSettings)
	r.Put("/settings", s.updateSettings)

	r.Get("/interaction-config", s.getStudioInteractionConfig)
	r.Put("/interaction-config", s.updateInteractionConfig)

	r.Get("/assets", s.listAssets)
	r.Post("/assets", s.uploadAsset)
	r.Delete("/assets/{id}", s.deleteAsset)

	r.Get("/api-keys", s.listAPIKeys)
	r.Post("/api-keys", s.createAPIKey)
	r.Delete("/api-keys/{key}", s.deleteAPIKey)

	r.Get("/analytics", s.getAnalytics)
	r.Get("/analytics/posts/{slug}", s.getPostAnalytics)

	// Plugins
	r.Get("/plugins", s.listPlugins)
	r.Post("/plugins", s.savePlugin)
	r.Delete("/plugins/{id}", s.deletePlugin)
	r.Put("/plugins/{id}/toggle", s.togglePlugin)
	r.Post("/plugins/compile", s.compilePlugin)

	// Secrets
	r.Get("/secrets", s.listSecrets)
	r.Post("/secrets", s.createSecret)
	r.Delete("/secrets/{key}", s.deleteSecret)

	// Webhooks
	r.Get("/webhooks", s.listWebhooks)
	r.Post("/webhooks", s.createWebhook)
	r.Put("/webhooks/{id}", s.updateWebhook)
	r.Delete("/webhooks/{id}", s.deleteWebhook)
	r.Post("/webhooks/{id}/test", s.testWebhook)
	r.Get("/webhooks/{id}/deliveries", s.listWebhookDeliveries)

	// Jarvis proxy (hooks/templates/lsp/sdk)
	r.Get("/hooks", s.getHooks)
	r.Get("/template", s.getTemplate)
	r.Get("/sdk", s.getSDK)
	r.Get("/lsp", s.proxyLSP)

	// Code themes
	r.Get("/code-theme.css", s.codeThemeCSS)
	r.Get("/code-themes", s.listCodeThemes)

	// Plugin testing
	r.Post("/plugins/test", s.testPlugin)

	// Billing
	r.Get("/billing", s.getBilling)

	return r
}

type postRequest struct {
	Slug        string   `json:"slug"`
	Title       string   `json:"title"`
	Description string   `json:"description"`
	Content     string   `json:"content"`
	Date        string   `json:"date"`
	Draft       bool     `json:"draft"`
	MembersOnly bool     `json:"members_only"`
	Tags        []string `json:"tags"`
}

type postContent struct {
	Markdown string `json:"markdown"`
	HTML     string `json:"html"`
}

type postResponse struct {
	ID          string       `json:"id"`
	Slug        string       `json:"slug"`
	Title       string       `json:"title"`
	Description string       `json:"description"`
	CoverImage  string       `json:"cover_image"`
	Content     *postContent `json:"content,omitempty"`
	Date        string       `json:"date"`
	Draft       bool         `json:"draft"`
	MembersOnly bool         `json:"members_only"`
	Tags        []string     `json:"tags"`
	CreatedAt   string       `json:"created_at"`
	UpdatedAt   string       `json:"updated_at"`
}

func postToResponse(p *tenant.Post, includeContent bool) postResponse {
	dateStr := ""
	if p.PublishedAt != nil {
		dateStr = p.PublishedAt.Format("2006-01-02")
	}
	updatedStr := p.ModifiedAt.Format(time.RFC3339)
	if p.UpdatedAt != nil {
		updatedStr = p.UpdatedAt.Format(time.RFC3339)
	}

	resp := postResponse{
		ID:          p.ID,
		Slug:        p.Slug,
		Title:       p.Title,
		Description: p.Description,
		CoverImage:  p.CoverImage,
		Date:        dateStr,
		Draft:       !p.IsPublished,
		MembersOnly: p.MembersOnly,
		Tags:        p.Tags,
		CreatedAt:   p.CreatedAt.Format(time.RFC3339),
		UpdatedAt:   updatedStr,
	}
	if includeContent {
		resp.Content = &postContent{
			Markdown: p.ContentMD,
			HTML:     p.ContentHTML,
		}
	}
	if resp.Tags == nil {
		resp.Tags = []string{}
	}
	return resp
}

func (s *Server) listPosts(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	posts, err := q.ListPosts(r.Context(), true)
	if err != nil {
		log.Printf("listPosts error for tenant %s: %v", tenantID, err)
		jsonError(w, http.StatusInternalServerError, "failed to list posts")
		return
	}

	result := make([]postResponse, len(posts))
	for i, p := range posts {
		result[i] = postToResponse(&p, false)
	}

	jsonResponse(w, http.StatusOK, result)
}

func (s *Server) getPost(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	slug := chi.URLParam(r, "slug")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	post, err := q.GetPost(r.Context(), slug)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get post")
		return
	}
	if post == nil {
		jsonError(w, http.StatusNotFound, "post not found")
		return
	}

	jsonResponse(w, http.StatusOK, postToResponse(post, true))
}

func (s *Server) createPost(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	var req postRequest
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	if req.Title == "" {
		jsonError(w, http.StatusBadRequest, "title required")
		return
	}

	if req.Slug == "" {
		req.Slug = slugify(req.Title)
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	existing, _ := q.GetPost(r.Context(), req.Slug)
	if existing != nil {
		jsonError(w, http.StatusConflict, "post with this slug already exists")
		return
	}

	var publishedAt *time.Time
	if !req.Draft {
		now := time.Now()
		if req.Date != "" {
			if parsed, err := time.Parse("2006-01-02", req.Date); err == nil {
				now = parsed
			}
		}
		publishedAt = &now
	}

	post := &tenant.Post{
		Slug:        req.Slug,
		Title:       req.Title,
		Description: req.Description,
		ContentMD:   req.Content,
		ContentHTML: renderContent(q, r, req.Content),
		IsPublished: !req.Draft,
		MembersOnly: req.MembersOnly,
		Tags:        req.Tags,
		PublishedAt: publishedAt,
	}

	if err := q.CreatePost(r.Context(), post); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to create post")
		return
	}

	if post.IsPublished {
		s.rebuildSite(r.Context(), tenantID, db, r.Host)

		go func() {
			runner := s.getPluginRunner(tenantID, db)
			defer runner.Close()
			pubAt := ""
			if post.PublishedAt != nil {
				pubAt = post.PublishedAt.Format(time.RFC3339)
			}
			runner.TriggerHook(r.Context(), "post.published", map[string]any{
				"post": map[string]any{
					"slug":        post.Slug,
					"title":       post.Title,
					"url":         "/" + post.Slug,
					"excerpt":     post.Description,
					"publishedAt": pubAt,
					"tags":        post.Tags,
				},
			})
		}()
	}

	jsonResponse(w, http.StatusCreated, postToResponse(post, false))
}

func (s *Server) updatePost(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	slug := chi.URLParam(r, "slug")

	var req postRequest
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	post, err := q.GetPost(r.Context(), slug)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get post")
		return
	}
	if post == nil {
		jsonError(w, http.StatusNotFound, "post not found")
		return
	}

	wasUnpublished := !post.IsPublished
	oldTitle := post.Title
	oldTags := post.Tags
	oldSlug := post.Slug

	if req.Slug != "" && req.Slug != slug {
		existing, _ := q.GetPost(r.Context(), req.Slug)
		if existing != nil {
			jsonError(w, http.StatusConflict, "post with this slug already exists")
			return
		}
		if !contains(post.Aliases, oldSlug) {
			post.Aliases = append(post.Aliases, oldSlug)
		}
		post.Slug = req.Slug
	}

	if req.Title != "" {
		post.Title = req.Title
	}
	post.Description = req.Description
	post.ContentMD = req.Content
	post.IsPublished = !req.Draft
	post.MembersOnly = req.MembersOnly
	post.Tags = req.Tags

	post.ContentHTML = renderContent(q, r, req.Content)

	if !req.Draft && post.PublishedAt == nil {
		now := time.Now()
		if req.Date != "" {
			if parsed, err := time.Parse("2006-01-02", req.Date); err == nil {
				now = parsed
			}
		}
		post.PublishedAt = &now
	}

	if err := q.UpdatePost(r.Context(), post); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to update post")
		return
	}

	if post.IsPublished {
		s.rebuildSite(r.Context(), tenantID, db, r.Host)

		go func() {
			runner := s.getPluginRunner(tenantID, db)
			defer runner.Close()

			pubAt := ""
			if post.PublishedAt != nil {
				pubAt = post.PublishedAt.Format(time.RFC3339)
			}

			if wasUnpublished {
				runner.TriggerHook(r.Context(), "post.published", map[string]any{
					"post": map[string]any{
						"slug":        post.Slug,
						"title":       post.Title,
						"url":         "/" + post.Slug,
						"excerpt":     post.Description,
						"publishedAt": pubAt,
						"tags":        post.Tags,
					},
				})
			} else {
				changes := map[string]any{}
				if oldTitle != post.Title {
					changes["title"] = map[string]any{"old": oldTitle, "new": post.Title}
				}
				changes["content"] = true

				addedTags := []string{}
				removedTags := []string{}
				oldTagSet := make(map[string]bool)
				for _, t := range oldTags {
					oldTagSet[t] = true
				}
				for _, t := range post.Tags {
					if !oldTagSet[t] {
						addedTags = append(addedTags, t)
					}
					delete(oldTagSet, t)
				}
				for t := range oldTagSet {
					removedTags = append(removedTags, t)
				}
				if len(addedTags) > 0 || len(removedTags) > 0 {
					changes["tags"] = map[string]any{"added": addedTags, "removed": removedTags}
				}

				runner.TriggerHook(r.Context(), "post.updated", map[string]any{
					"post": map[string]any{
						"slug":        post.Slug,
						"title":       post.Title,
						"url":         "/" + post.Slug,
						"excerpt":     post.Description,
						"publishedAt": pubAt,
						"updatedAt":   time.Now().Format(time.RFC3339),
						"tags":        post.Tags,
					},
					"changes": changes,
				})
			}
		}()

		// Trigger webhooks for published posts
		if wasUnpublished {
			q.TriggerWebhooks(r.Context(), "post.published", map[string]any{
				"post": postToResponse(post, false),
			}, "https://"+r.Host)
		} else {
			q.TriggerWebhooks(r.Context(), "post.updated", map[string]any{
				"post": postToResponse(post, false),
			}, "https://"+r.Host)
		}
	}

	jsonResponse(w, http.StatusOK, postToResponse(post, false))
}

func (s *Server) deletePost(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	slug := chi.URLParam(r, "slug")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	post, err := q.GetPost(r.Context(), slug)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get post")
		return
	}
	if post == nil {
		jsonError(w, http.StatusNotFound, "post not found")
		return
	}

	wasPublished := post.IsPublished
	postData := postToResponse(post, false)

	if err := q.DeletePost(r.Context(), post.ID); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to delete post")
		return
	}

	if wasPublished {
		q.DeletePage(r.Context(), "/posts/"+slug)
		s.rebuildSite(r.Context(), tenantID, db, r.Host)

		// Trigger webhooks for deleted posts
		q.TriggerWebhooks(r.Context(), "post.deleted", map[string]any{
			"post": postData,
		}, "https://"+r.Host)
	}

	w.WriteHeader(http.StatusNoContent)
}

func (s *Server) publishPost(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	postID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	post, err := q.GetPostByID(r.Context(), postID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get post")
		return
	}
	if post == nil {
		jsonError(w, http.StatusNotFound, "post not found")
		return
	}

	if err := q.Publish(r.Context(), postID); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to publish")
		return
	}

	post, _ = q.GetPostByID(r.Context(), postID)
	s.rebuildSite(r.Context(), tenantID, db, r.Host)

	// Trigger webhooks
	q.TriggerWebhooks(r.Context(), "post.published", map[string]any{
		"post": postToResponse(post, false),
	}, "https://"+r.Host)

	jsonResponse(w, http.StatusOK, postToResponse(post, false))
}

func (s *Server) unpublishPost(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	postID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	post, err := q.GetPostByID(r.Context(), postID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get post")
		return
	}
	if post == nil {
		jsonError(w, http.StatusNotFound, "post not found")
		return
	}

	if err := q.Unpublish(r.Context(), postID); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to unpublish")
		return
	}

	q.DeletePage(r.Context(), "/posts/"+post.Slug)
	s.rebuildSite(r.Context(), tenantID, db, r.Host)

	post, _ = q.GetPostByID(r.Context(), postID)
	jsonResponse(w, http.StatusOK, postToResponse(post, false))
}

func (s *Server) getDraft(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	postID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	draft, err := q.GetDraft(r.Context(), postID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get draft")
		return
	}

	if draft == nil {
		jsonResponse(w, http.StatusOK, nil)
		return
	}

	jsonResponse(w, http.StatusOK, map[string]any{
		"post_id":      draft.PostID,
		"slug":         draft.Slug,
		"title":        draft.Title,
		"description":  draft.Description,
		"tags":         draft.Tags,
		"cover_image":  draft.CoverImage,
		"members_only": draft.MembersOnly,
		"content":      draft.ContentMD,
		"modified_at":  draft.ModifiedAt.Format(time.RFC3339),
	})
}

func (s *Server) saveDraft(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	postID := chi.URLParam(r, "id")

	var req struct {
		Slug        string   `json:"slug"`
		Title       string   `json:"title"`
		Description string   `json:"description"`
		Tags        []string `json:"tags"`
		CoverImage  string   `json:"cover_image"`
		MembersOnly bool     `json:"members_only"`
		Content     string   `json:"content"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	post, err := q.GetPostByID(r.Context(), postID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get post")
		return
	}
	if post == nil {
		jsonError(w, http.StatusNotFound, "post not found")
		return
	}

	draft := &tenant.PostDraft{
		PostID:      postID,
		Slug:        req.Slug,
		Title:       req.Title,
		Description: req.Description,
		Tags:        req.Tags,
		CoverImage:  req.CoverImage,
		MembersOnly: req.MembersOnly,
		ContentMD:   req.Content,
		ContentHTML: renderContent(q, r, req.Content),
	}

	if draft.Slug == "" {
		draft.Slug = post.Slug
	}

	if err := q.SaveDraft(r.Context(), draft); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to save draft")
		return
	}

	jsonResponse(w, http.StatusOK, map[string]bool{"success": true})
}

func (s *Server) discardDraft(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	postID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	if err := q.DeleteDraft(r.Context(), postID); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to discard draft")
		return
	}

	w.WriteHeader(http.StatusNoContent)
}

func (s *Server) listVersions(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	postID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	versions, err := q.ListVersions(r.Context(), postID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to list versions")
		return
	}

	result := make([]map[string]any, len(versions))
	for i, v := range versions {
		result[i] = map[string]any{
			"id":         v.ID,
			"title":      v.Title,
			"created_at": v.CreatedAt.Format(time.RFC3339),
		}
	}

	jsonResponse(w, http.StatusOK, result)
}

func (s *Server) restoreVersion(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	postID := chi.URLParam(r, "id")
	versionIDStr := chi.URLParam(r, "versionId")

	versionID, err := strconv.ParseInt(versionIDStr, 10, 64)
	if err != nil {
		jsonError(w, http.StatusBadRequest, "invalid version id")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	if err := q.RestoreVersion(r.Context(), postID, versionID); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to restore version")
		return
	}

	jsonResponse(w, http.StatusOK, map[string]bool{"success": true})
}

func (s *Server) renderPreview(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	var req struct {
		Markdown string `json:"markdown"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	q := tenant.NewQueries(db)
	settings, _ := q.GetSettings(r.Context())
	codeTheme := getSettingOr(settings, "code_theme", "github")

	html, err := markdown.RenderWithTheme(req.Markdown, codeTheme)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "render failed")
		return
	}

	jsonResponse(w, http.StatusOK, map[string]string{"html": html})
}

func (s *Server) getSettings(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	settings, err := q.GetSettings(r.Context())
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get settings")
		return
	}

	jsonResponse(w, http.StatusOK, settings)
}

func (s *Server) updateSettings(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	var settings map[string]string
	if err := json.NewDecoder(r.Body).Decode(&settings); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	if err := q.SetSettings(r.Context(), settings); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to update settings")
		return
	}

	s.rebuildSite(r.Context(), tenantID, db, r.Host)

	jsonResponse(w, http.StatusOK, map[string]bool{"success": true})
}

func (s *Server) listAssets(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	assets, err := q.ListAssets(r.Context())
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to list assets")
		return
	}

	jsonResponse(w, http.StatusOK, assets)
}

func (s *Server) uploadAsset(w http.ResponseWriter, r *http.Request) {
	if s.storage == nil {
		jsonError(w, http.StatusServiceUnavailable, "storage not configured")
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)

	if err := r.ParseMultipartForm(15 << 20); err != nil {
		jsonError(w, http.StatusBadRequest, "file too large")
		return
	}

	file, header, err := r.FormFile("file")
	if err != nil {
		jsonError(w, http.StatusBadRequest, "file required")
		return
	}
	defer file.Close()

	contentType := header.Header.Get("Content-Type")
	isImage := strings.HasPrefix(contentType, "image/")

	var uploadData []byte
	var finalContentType string
	var ext string

	if isImage && s.imaginary != nil {
		processed, err := s.imaginary.Process(file, header.Filename, imaginary.ProcessOptions{
			Width:   2000,
			Height:  2000,
			Quality: 80,
			Type:    "webp",
		})
		if err != nil {
			jsonError(w, http.StatusInternalServerError, "image processing failed")
			return
		}
		uploadData = processed
		finalContentType = "image/webp"
		ext = ".webp"
	} else {
		data, err := io.ReadAll(file)
		if err != nil {
			jsonError(w, http.StatusInternalServerError, "read failed")
			return
		}
		uploadData = data
		finalContentType = contentType
		ext = ""
		if idx := strings.LastIndex(header.Filename, "."); idx != -1 {
			ext = header.Filename[idx:]
		}
	}

	r2Key := fmt.Sprintf("%s/%s%s", tenantID, uuid.NewString(), ext)

	if err := s.storage.Upload(r.Context(), r2Key, bytes.NewReader(uploadData), finalContentType); err != nil {
		jsonError(w, http.StatusInternalServerError, "upload failed")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	asset := &tenant.Asset{
		Filename:    header.Filename,
		R2Key:       r2Key,
		ContentType: finalContentType,
		Size:        int64(len(uploadData)),
	}

	q := tenant.NewQueries(db)
	if err := q.CreateAsset(r.Context(), asset); err != nil {
		s.storage.Delete(r.Context(), r2Key)
		jsonError(w, http.StatusInternalServerError, "failed to save asset")
		return
	}

	assetURL := s.storage.PublicURL(r2Key)

	// Trigger asset.uploaded hook
	go func() {
		runner := s.getPluginRunner(tenantID, db)
		defer runner.Close()
		runner.TriggerHook(r.Context(), "asset.uploaded", map[string]any{
			"id":          asset.ID,
			"url":         assetURL,
			"contentType": asset.ContentType,
			"size":        asset.Size,
		})
	}()

	jsonResponse(w, http.StatusCreated, map[string]any{
		"id":           asset.ID,
		"filename":     asset.Filename,
		"url":          assetURL,
		"content_type": asset.ContentType,
		"size":         asset.Size,
	})
}

func (s *Server) deleteAsset(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	assetID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	asset, err := q.GetAsset(r.Context(), assetID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get asset")
		return
	}
	if asset == nil {
		jsonError(w, http.StatusNotFound, "asset not found")
		return
	}

	if s.storage != nil {
		s.storage.Delete(r.Context(), asset.R2Key)
	}

	if err := q.DeleteAsset(r.Context(), assetID); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to delete asset")
		return
	}

	w.WriteHeader(http.StatusNoContent)
}

func slugify(s string) string {
	s = strings.ToLower(s)
	s = strings.ReplaceAll(s, " ", "-")
	var result strings.Builder
	for _, r := range s {
		if (r >= 'a' && r <= 'z') || (r >= '0' && r <= '9') || r == '-' {
			result.WriteRune(r)
		}
	}
	return result.String()
}

func (s *Server) listAPIKeys(w http.ResponseWriter, r *http.Request) {
	if GetDemoInfo(r).IsDemo {
		jsonResponse(w, http.StatusOK, []any{})
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	keys, err := q.ListAPIKeys(r.Context())
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to list API keys")
		return
	}

	result := make([]map[string]any, len(keys))
	for i, k := range keys {
		result[i] = map[string]any{
			"key":          maskKey(k.Key),
			"name":         k.Name,
			"created_at":   k.CreatedAt.Format(time.RFC3339),
			"last_used_at": nil,
		}
		if k.LastUsedAt != nil {
			result[i]["last_used_at"] = k.LastUsedAt.Format(time.RFC3339)
		}
	}

	jsonResponse(w, http.StatusOK, result)
}

func (s *Server) createAPIKey(w http.ResponseWriter, r *http.Request) {
	if GetDemoInfo(r).IsDemo {
		jsonError(w, http.StatusForbidden, "API key generation is not available in demo mode")
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)

	var req struct {
		Name string `json:"name"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}
	if req.Name == "" {
		jsonError(w, http.StatusBadRequest, "name required")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	key, err := q.CreateAPIKey(r.Context(), req.Name)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to create API key")
		return
	}

	jsonResponse(w, http.StatusCreated, map[string]any{
		"key":        key.Key,
		"name":       key.Name,
		"created_at": key.CreatedAt.Format(time.RFC3339),
	})
}

func (s *Server) deleteAPIKey(w http.ResponseWriter, r *http.Request) {
	if GetDemoInfo(r).IsDemo {
		jsonError(w, http.StatusForbidden, "API key management is not available in demo mode")
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)
	key := chi.URLParam(r, "key")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	if err := q.DeleteAPIKey(r.Context(), key); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to delete API key")
		return
	}

	w.WriteHeader(http.StatusNoContent)
}

func (s *Server) getStudioInteractionConfig(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	config := q.GetInteractionConfig(r.Context())

	jsonResponse(w, http.StatusOK, config)
}

func (s *Server) updateInteractionConfig(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	var req struct {
		CommentsEnabled      *bool   `json:"comments_enabled"`
		ReactionsEnabled     *bool   `json:"reactions_enabled"`
		ReactionMode         *string `json:"reaction_mode"`
		ReactionEmojis       *string `json:"reaction_emojis"`
		UpvoteIcon           *string `json:"upvote_icon"`
		ReactionsRequireAuth *bool   `json:"reactions_require_auth"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	settings := make(tenant.Settings)

	if req.CommentsEnabled != nil {
		settings["comments_enabled"] = boolToStr(*req.CommentsEnabled)
	}
	if req.ReactionsEnabled != nil {
		settings["reactions_enabled"] = boolToStr(*req.ReactionsEnabled)
	}
	if req.ReactionMode != nil {
		settings["reaction_mode"] = *req.ReactionMode
	}
	if req.ReactionEmojis != nil {
		settings["reaction_emojis"] = *req.ReactionEmojis
	}
	if req.UpvoteIcon != nil {
		settings["upvote_icon"] = *req.UpvoteIcon
	}
	if req.ReactionsRequireAuth != nil {
		settings["reactions_require_auth"] = boolToStr(*req.ReactionsRequireAuth)
	}

	if len(settings) > 0 {
		if err := q.SetSettings(r.Context(), settings); err != nil {
			jsonError(w, http.StatusInternalServerError, "failed to update settings")
			return
		}
	}

	config := q.GetInteractionConfig(r.Context())
	jsonResponse(w, http.StatusOK, config)
}

func boolToStr(b bool) string {
	if b {
		return "true"
	}
	return "false"
}

func maskKey(key string) string {
	if len(key) <= 8 {
		return key
	}
	return key[:7] + "..." + key[len(key)-4:]
}

func (s *Server) getAnalytics(w http.ResponseWriter, r *http.Request) {
	days := 30
	if d := r.URL.Query().Get("days"); d != "" {
		if parsed, err := strconv.Atoi(d); err == nil && parsed > 0 && parsed <= 365 {
			days = parsed
		}
	}

	if GetDemoInfo(r).IsDemo {
		jsonResponse(w, http.StatusOK, generateFakeAnalytics(days))
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)

	tenantDB, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	t, err := s.database.GetTenantByID(r.Context(), tenantID)
	if err != nil || t == nil {
		d, _ := s.database.GetDemoByID(r.Context(), tenantID)
		if d != nil {
			t = &db.Tenant{Subdomain: d.Subdomain}
		}
	}

	// Enforce tier analytics retention limit
	tierInfo := config.GetTierInfo(t != nil && t.Premium)
	if days > tierInfo.Config.AnalyticsRetention {
		days = tierInfo.Config.AnalyticsRetention
	}

	hostname := ""
	if t != nil {
		hostname = t.Subdomain + "." + s.domain
	}

	result := &tenant.AnalyticsSummary{
		ViewsByDay: []tenant.DailyStats{},
		TopPages:   []tenant.PageStats{},
		Browsers:   []tenant.NamedStat{},
		OS:         []tenant.NamedStat{},
		Devices:    []tenant.NamedStat{},
		Countries:  []tenant.NamedStat{},
	}

	q := tenant.NewQueries(tenantDB)

	if s.cloudflare.IsConfigured() && hostname != "" {
		cfDays := days
		if cfDays > 14 {
			cfDays = 14
		}

		cfData, err := s.cloudflare.GetAnalytics(r.Context(), cfDays, hostname)
		if err == nil && cfData != nil {
			result.TotalViews = cfData.TotalRequests
			result.TotalPageViews = cfData.TotalPageViews
			result.UniqueVisitors = cfData.UniqueVisitors
			result.TotalBandwidth = cfData.TotalBandwidth

			for _, d := range cfData.Daily {
				result.ViewsByDay = append(result.ViewsByDay, tenant.DailyStats{
					Date:     d.Date,
					Views:    d.PageViews,
					Visitors: d.Visitors,
				})
			}

			for _, p := range cfData.Paths {
				result.TopPages = append(result.TopPages, tenant.PageStats{
					Path:  p.Path,
					Views: p.Requests,
				})
			}

			for _, b := range cfData.Browsers {
				result.Browsers = append(result.Browsers, tenant.NamedStat{Name: b.Name, Count: b.Count})
			}
			for _, o := range cfData.OS {
				result.OS = append(result.OS, tenant.NamedStat{Name: o.Name, Count: o.Count})
			}
			for _, d := range cfData.Devices {
				result.Devices = append(result.Devices, tenant.NamedStat{Name: d.Name, Count: d.Count})
			}
			for _, c := range cfData.Countries {
				result.Countries = append(result.Countries, tenant.NamedStat{Name: c.Name, Count: c.Count})
			}
		}

		if days > 14 {
			archivedSince := time.Now().AddDate(0, 0, -days).Format("2006-01-02")
			archivedUntil := time.Now().AddDate(0, 0, -15).Format("2006-01-02")
			archived, err := q.GetArchivedAnalytics(r.Context(), archivedSince, archivedUntil)
			if err == nil {
				for _, a := range archived {
					result.TotalViews += a.Requests
					result.TotalPageViews += a.PageViews
					result.UniqueVisitors += a.UniqueVisitors
					result.TotalBandwidth += a.Bandwidth
					result.ViewsByDay = append([]tenant.DailyStats{{
						Date:     a.Date,
						Views:    a.PageViews,
						Visitors: a.UniqueVisitors,
					}}, result.ViewsByDay...)
				}
			}
		}
	} else {
		analytics, err := q.GetAnalytics(r.Context(), days)
		if err == nil {
			result = analytics
		}
	}

	jsonResponse(w, http.StatusOK, result)
}

func (s *Server) getPostAnalytics(w http.ResponseWriter, r *http.Request) {
	days := 30
	if d := r.URL.Query().Get("days"); d != "" {
		if parsed, err := strconv.Atoi(d); err == nil && parsed > 0 && parsed <= 365 {
			days = parsed
		}
	}

	if GetDemoInfo(r).IsDemo {
		jsonResponse(w, http.StatusOK, generateFakePostAnalytics(days))
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)
	slug := chi.URLParam(r, "slug")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	analytics, err := q.GetPostAnalytics(r.Context(), slug, days)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to get post analytics")
		return
	}

	jsonResponse(w, http.StatusOK, analytics)
}

// ═══════════════════════════════════════════════════════════════════════════
// Plugins
// ═══════════════════════════════════════════════════════════════════════════

func (s *Server) listPlugins(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	plugins, err := q.ListPlugins(r.Context())
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to list plugins")
		return
	}

	result := make([]map[string]any, len(plugins))
	for i, p := range plugins {
		result[i] = map[string]any{
			"id":         p.ID,
			"name":       p.Name,
			"language":   p.Language,
			"source":     p.Source,
			"hooks":      p.Hooks,
			"enabled":    p.Enabled,
			"wasm_size":  p.WasmSize,
			"created_at": p.CreatedAt.Format(time.RFC3339),
			"updated_at": p.UpdatedAt.Format(time.RFC3339),
		}
	}

	jsonResponse(w, http.StatusOK, result)
}

func (s *Server) savePlugin(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	var req struct {
		ID       string   `json:"id"`
		Name     string   `json:"name"`
		Language string   `json:"language"`
		Source   string   `json:"source"`
		Hooks    []string `json:"hooks"`
		Enabled  bool     `json:"enabled"`
		Wasm     []byte   `json:"wasm"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	if req.Name == "" {
		jsonError(w, http.StatusBadRequest, "name required")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	plugin := &tenant.Plugin{
		ID:       req.ID,
		Name:     req.Name,
		Language: req.Language,
		Source:   req.Source,
		Hooks:    req.Hooks,
		Enabled:  req.Enabled,
		Wasm:     req.Wasm,
	}

	q := tenant.NewQueries(db)

	// Check if exists
	existing, _ := q.GetPlugin(r.Context(), req.ID)
	if existing != nil {
		err = q.UpdatePlugin(r.Context(), plugin)
	} else {
		// Check tier limit for new plugins
		t, err := s.database.GetTenantByID(r.Context(), tenantID)
		if err != nil {
			jsonError(w, http.StatusInternalServerError, "database error")
			return
		}
		tierInfo := config.GetTierInfo(t != nil && t.Premium)

		count, err := q.CountPlugins(r.Context())
		if err != nil {
			jsonError(w, http.StatusInternalServerError, "database error")
			return
		}
		if count >= tierInfo.Config.MaxPlugins {
			jsonError(w, http.StatusForbidden, fmt.Sprintf("plugin limit reached (%d max on %s tier)", tierInfo.Config.MaxPlugins, tierInfo.Config.Name))
			return
		}

		err = q.CreatePlugin(r.Context(), plugin)
	}

	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to save plugin")
		return
	}

	jsonResponse(w, http.StatusOK, map[string]any{"id": plugin.ID})
}

func (s *Server) deletePlugin(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	id := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	if err := q.DeletePlugin(r.Context(), id); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to delete plugin")
		return
	}

	w.WriteHeader(http.StatusNoContent)
}

func (s *Server) togglePlugin(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	id := chi.URLParam(r, "id")

	var req struct {
		Enabled bool `json:"enabled"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	if err := q.TogglePlugin(r.Context(), id, req.Enabled); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to toggle plugin")
		return
	}

	jsonResponse(w, http.StatusOK, map[string]bool{"enabled": req.Enabled})
}

// ═══════════════════════════════════════════════════════════════════════════
// Secrets
// ═══════════════════════════════════════════════════════════════════════════

func (s *Server) listSecrets(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	secrets, err := tenant.ListSecrets(db)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to list secrets")
		return
	}

	result := make([]map[string]any, len(secrets))
	for i, s := range secrets {
		result[i] = map[string]any{
			"key":        s.Key,
			"created_at": s.CreatedAt.Format(time.RFC3339),
		}
	}

	jsonResponse(w, http.StatusOK, result)
}

func (s *Server) createSecret(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	var req struct {
		Key   string `json:"key"`
		Value string `json:"value"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	if req.Key == "" || req.Value == "" {
		jsonError(w, http.StatusBadRequest, "key and value required")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	if err := tenant.SetSecret(db, tenantID, req.Key, req.Value); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to create secret")
		return
	}

	jsonResponse(w, http.StatusCreated, map[string]string{"key": req.Key})
}

func (s *Server) deleteSecret(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	key := chi.URLParam(r, "key")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	if err := tenant.DeleteSecret(db, key); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to delete secret")
		return
	}

	w.WriteHeader(http.StatusNoContent)
}

// ═══════════════════════════════════════════════════════════════════════════
// Jarvis Proxy (compile, hooks, template)
// ═══════════════════════════════════════════════════════════════════════════

func (s *Server) compilePlugin(w http.ResponseWriter, r *http.Request) {
	resp, err := http.Post(s.jarvisURL+"/compile", "application/json", r.Body)
	if err != nil {
		jsonError(w, http.StatusBadGateway, "compiler unavailable")
		return
	}
	defer resp.Body.Close()

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(resp.StatusCode)
	io.Copy(w, resp.Body)
}

func (s *Server) getHooks(w http.ResponseWriter, r *http.Request) {
	resp, err := http.Get(s.jarvisURL + "/hooks")
	if err != nil {
		jsonError(w, http.StatusBadGateway, "compiler unavailable")
		return
	}
	defer resp.Body.Close()

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(resp.StatusCode)
	io.Copy(w, resp.Body)
}

func (s *Server) getTemplate(w http.ResponseWriter, r *http.Request) {
	url := s.jarvisURL + "/template?" + r.URL.RawQuery
	resp, err := http.Get(url)
	if err != nil {
		jsonError(w, http.StatusBadGateway, "compiler unavailable")
		return
	}
	defer resp.Body.Close()

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(resp.StatusCode)
	io.Copy(w, resp.Body)
}

var wsUpgrader = websocket.Upgrader{
	CheckOrigin: func(r *http.Request) bool {
		return true
	},
}

func (s *Server) getSDK(w http.ResponseWriter, r *http.Request) {
	url := s.jarvisURL + "/sdk"
	if r.URL.RawQuery != "" {
		url += "?" + r.URL.RawQuery
	}
	resp, err := http.Get(url)
	if err != nil {
		jsonError(w, http.StatusBadGateway, "compiler unavailable")
		return
	}
	defer resp.Body.Close()

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(resp.StatusCode)
	io.Copy(w, resp.Body)
}

func (s *Server) testPlugin(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	var req struct {
		Language string         `json:"language"`
		Source   string         `json:"source"`
		Hook     string         `json:"hook"`
		TestData map[string]any `json:"test_data"`
		Secrets  map[string]string `json:"secrets"` // Override secrets for testing
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request")
		return
	}

	if req.Source == "" {
		jsonError(w, http.StatusBadRequest, "source required")
		return
	}
	if req.Hook == "" {
		req.Hook = "post.published"
	}

	// Step 1: Compile the plugin via Jarvis
	compileReq := map[string]string{
		"language": req.Language,
		"source":   req.Source,
	}
	compileBody, _ := json.Marshal(compileReq)

	resp, err := http.Post(s.jarvisURL+"/compile", "application/json", bytes.NewReader(compileBody))
	if err != nil {
		jsonError(w, http.StatusBadGateway, "compiler unavailable")
		return
	}
	defer resp.Body.Close()

	var compileResult struct {
		Success bool     `json:"success"`
		Wasm    []byte   `json:"wasm"`
		Errors  []string `json:"errors"`
		TimeMS  int64    `json:"time_ms"`
	}
	if err := json.NewDecoder(resp.Body).Decode(&compileResult); err != nil {
		jsonError(w, http.StatusInternalServerError, "invalid compile response")
		return
	}

	if !compileResult.Success {
		jsonResponse(w, http.StatusOK, map[string]any{
			"success":     false,
			"phase":       "compile",
			"errors":      compileResult.Errors,
			"compile_ms":  compileResult.TimeMS,
		})
		return
	}

	// Step 2: Get secrets (use overrides if provided, otherwise fetch real ones)
	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	secrets := req.Secrets
	if secrets == nil {
		secrets, _ = tenant.GetSecretsMap(db, tenantID)
	}

	// Step 3: Run the plugin with test data
	runner := tenant.NewTestPluginRunner(db, tenantID, secrets)
	result := runner.RunTest(r.Context(), compileResult.Wasm, req.Hook, req.TestData)

	jsonResponse(w, http.StatusOK, map[string]any{
		"success":    result.Success,
		"phase":      "execute",
		"output":     result.Output,
		"logs":       result.Logs,
		"error":      result.Error,
		"compile_ms": compileResult.TimeMS,
		"run_ms":     result.Duration,
	})
}

func (s *Server) proxyLSP(w http.ResponseWriter, r *http.Request) {
	language := r.URL.Query().Get("language")
	if language == "" {
		language = "typescript"
	}

	clientConn, err := wsUpgrader.Upgrade(w, r, nil)
	if err != nil {
		return
	}
	defer clientConn.Close()

	jarvisWS := strings.Replace(s.jarvisURL, "http://", "ws://", 1)
	jarvisWS = strings.Replace(jarvisWS, "https://", "wss://", 1)
	jarvisURL := jarvisWS + "/lsp?language=" + url.QueryEscape(language)

	serverConn, _, err := websocket.DefaultDialer.Dial(jarvisURL, nil)
	if err != nil {
		clientConn.WriteMessage(websocket.TextMessage, []byte(`{"error": "LSP server unavailable"}`))
		return
	}
	defer serverConn.Close()

	done := make(chan struct{})

	go func() {
		defer close(done)
		for {
			msgType, msg, err := serverConn.ReadMessage()
			if err != nil {
				return
			}
			if err := clientConn.WriteMessage(msgType, msg); err != nil {
				return
			}
		}
	}()

	go func() {
		for {
			msgType, msg, err := clientConn.ReadMessage()
			if err != nil {
				return
			}
			if err := serverConn.WriteMessage(msgType, msg); err != nil {
				return
			}
		}
	}()

	<-done
}

// ═══════════════════════════════════════════════════════════════════════════
// Code Themes
// ═══════════════════════════════════════════════════════════════════════════

func (s *Server) codeThemeCSS(w http.ResponseWriter, r *http.Request) {
	theme := r.URL.Query().Get("theme")
	if theme == "" {
		theme = "github"
	}

	css, err := markdown.GenerateHljsCSS(theme)
	if err != nil {
		http.Error(w, "invalid theme", http.StatusBadRequest)
		return
	}

	w.Header().Set("Content-Type", "text/css")
	w.Header().Set("Cache-Control", "public, max-age=31536000")
	w.Write([]byte(css))
}

func (s *Server) listCodeThemes(w http.ResponseWriter, r *http.Request) {
	themes := markdown.ListThemes()
	jsonResponse(w, http.StatusOK, themes)
}

func contains(slice []string, item string) bool {
	for _, s := range slice {
		if s == item {
			return true
		}
	}
	return false
}

// ═══════════════════════════════════════════════════════════════════════════
// Webhooks
// ═══════════════════════════════════════════════════════════════════════════

func (s *Server) listWebhooks(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	webhooks, err := q.ListWebhooks(r.Context())
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to list webhooks")
		return
	}

	if webhooks == nil {
		webhooks = []tenant.Webhook{}
	}

	jsonResponse(w, http.StatusOK, webhooks)
}

func (s *Server) createWebhook(w http.ResponseWriter, r *http.Request) {
	if GetDemoInfo(r).IsDemo {
		jsonError(w, http.StatusForbidden, "Webhook management is not available in demo mode")
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)

	var req struct {
		Name   string   `json:"name"`
		URL    string   `json:"url"`
		Events []string `json:"events"`
		Secret string   `json:"secret"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request body")
		return
	}

	if req.Name == "" || req.URL == "" || len(req.Events) == 0 {
		jsonError(w, http.StatusBadRequest, "name, url, and events are required")
		return
	}

	// Validate URL
	if _, err := url.ParseRequestURI(req.URL); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid URL")
		return
	}

	// Check tier limit
	t, err := s.database.GetTenantByID(r.Context(), tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}
	tierInfo := config.GetTierInfo(t != nil && t.Premium)

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)

	count, err := q.CountWebhooks(r.Context())
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}
	if count >= tierInfo.Config.MaxWebhooks {
		jsonError(w, http.StatusForbidden, fmt.Sprintf("webhook limit reached (%d max on %s tier)", tierInfo.Config.MaxWebhooks, tierInfo.Config.Name))
		return
	}

	webhook, err := q.CreateWebhook(r.Context(), req.Name, req.URL, req.Events, req.Secret)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to create webhook")
		return
	}

	jsonResponse(w, http.StatusCreated, webhook)
}

func (s *Server) updateWebhook(w http.ResponseWriter, r *http.Request) {
	if GetDemoInfo(r).IsDemo {
		jsonError(w, http.StatusForbidden, "Webhook management is not available in demo mode")
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)
	webhookID := chi.URLParam(r, "id")

	var req struct {
		Name    string   `json:"name"`
		URL     string   `json:"url"`
		Events  []string `json:"events"`
		Secret  string   `json:"secret"`
		Enabled bool     `json:"enabled"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		jsonError(w, http.StatusBadRequest, "invalid request body")
		return
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	if err := q.UpdateWebhook(r.Context(), webhookID, req.Name, req.URL, req.Events, req.Secret, req.Enabled); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to update webhook")
		return
	}

	webhook, _ := q.GetWebhook(r.Context(), webhookID)
	jsonResponse(w, http.StatusOK, webhook)
}

func (s *Server) deleteWebhook(w http.ResponseWriter, r *http.Request) {
	if GetDemoInfo(r).IsDemo {
		jsonError(w, http.StatusForbidden, "Webhook management is not available in demo mode")
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)
	webhookID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	if err := q.DeleteWebhook(r.Context(), webhookID); err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to delete webhook")
		return
	}

	w.WriteHeader(http.StatusNoContent)
}

func (s *Server) testWebhook(w http.ResponseWriter, r *http.Request) {
	if GetDemoInfo(r).IsDemo {
		jsonError(w, http.StatusForbidden, "Webhook testing is not available in demo mode")
		return
	}

	tenantID := r.Context().Value(tenantIDKey).(string)
	webhookID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	webhook, err := q.GetWebhook(r.Context(), webhookID)
	if err != nil || webhook == nil {
		jsonError(w, http.StatusNotFound, "webhook not found")
		return
	}

	// Trigger a test event
	testData := map[string]any{
		"post": map[string]any{
			"id":          "test-id",
			"slug":        "test-post",
			"title":       "Test Post",
			"description": "This is a test webhook delivery",
			"url":         "https://example.com/posts/test-post",
			"tags":        []string{"test"},
		},
	}

	q.TriggerWebhooks(r.Context(), "post.test", testData, "")

	jsonResponse(w, http.StatusOK, map[string]string{"status": "triggered"})
}

func (s *Server) listWebhookDeliveries(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)
	webhookID := chi.URLParam(r, "id")

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	deliveries, err := q.ListWebhookDeliveries(r.Context(), webhookID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "failed to list deliveries")
		return
	}

	if deliveries == nil {
		deliveries = []tenant.WebhookDelivery{}
	}

	jsonResponse(w, http.StatusOK, deliveries)
}

func (s *Server) getBilling(w http.ResponseWriter, r *http.Request) {
	tenantID := r.Context().Value(tenantIDKey).(string)

	t, err := s.database.GetTenantByID(r.Context(), tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	premium := false
	if t != nil {
		premium = t.Premium
	}

	db, err := s.tenantPool.Get(tenantID)
	if err != nil {
		jsonError(w, http.StatusInternalServerError, "database error")
		return
	}

	q := tenant.NewQueries(db)
	webhookCount, _ := q.CountWebhooks(r.Context())
	pluginCount, _ := q.CountPlugins(r.Context())

	usage := config.Usage{
		Webhooks: webhookCount,
		Plugins:  pluginCount,
	}

	jsonResponse(w, http.StatusOK, config.GetAllTiers(premium, usage))
}