package handlers

import (
	"html/template"
	"log"
	"net/http"
	"os"
	"path/filepath"
	"sort"

	ory "github.com/ory/client-go"

	"decor-by-hannahs/internal/db"
)

func HomeHandler(q *db.Queries, tmpl *template.Template, oryClient *ory.APIClient) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		log.Printf("HomeHandler called: method=%s path=%s", r.Method, r.URL.Path)
		if r.URL.Path != "/" {
			http.NotFound(w, r)
			return
		}
		
		var photos []Photo
		
		carouselDir := "assets/carousel-photos"
		entries, err := os.ReadDir(carouselDir)
		if err == nil {
			for _, entry := range entries {
				if !entry.IsDir() {
					ext := filepath.Ext(entry.Name())
					if ext == ".jpg" || ext == ".jpeg" || ext == ".png" || ext == ".gif" {
						photos = append(photos, Photo{
							URL:     "/assets/carousel-photos/" + entry.Name(),
							Caption: "",
						})
					}
				}
			}
		}
		
		sort.Slice(photos, func(i, j int) bool {
			return photos[i].URL < photos[j].URL
		})
		
		type data struct {
			Title          string
			Photos         []Photo
			ActivePage     string
			Authenticated  bool
			OryLoginURL    string
		}
		if err := tmpl.ExecuteTemplate(w, "home.tmpl", data{
			Title:         "Home",
			Photos:        photos,
			ActivePage:    "home",
			Authenticated: isAuthenticated(r, oryClient),
			OryLoginURL:   "/login",
		}); err != nil {
			log.Printf("Error executing home.tmpl: %v", err)
			http.Error(w, "Failed to render page", http.StatusInternalServerError)
		}
	}
}