// Kontra — news-opinion site. Single static binary.
// Serves markdown content as HTML per request (GOTH stack).

package main

import (
	"embed"
	"log"
	"mime"
	"net/http"
	"os"
)

// bundled static assets + admin UI (served under /web/)
//go:embed web
var web embed.FS

func main() {
	// Decap CMS requires config.yml served as a YAML content type (it checks the header).
	_ = mime.AddExtensionType(".yml", "application/yaml")
	_ = mime.AddExtensionType(".yaml", "application/yaml")

	root := os.Getenv("KONTRA_CONTENT")
	if root == "" {
		root = "content"
	}

	mediaBase := os.Getenv("KONTRA_MEDIA")
	if mediaBase == "" {
		mediaBase = "/media"
	}

	c, err := NewContent(root, mediaBase)
	if err != nil {
		log.Fatalf("failed to load content from %s: %v", root, err)
	}
	log.Printf("loaded %d articles across %d subjects", len(c.Articles), len(c.Subjects))

	s := NewSite(c)
	// media (Garage S3 via minio-go SDK)
	s.Media = NewMediaClient()

	// Routes — register specific paths BEFORE the catch-all.
	http.HandleFunc("/media/{path...}", func(w http.ResponseWriter, r *http.Request) {
		s.media(w, r, r.PathValue("path"))
	})
	http.HandleFunc("/admin/media/upload", func(w http.ResponseWriter, r *http.Request) {
		s.mediaUpload(w, r)
	})
	http.HandleFunc("/subjects/{slug}", func(w http.ResponseWriter, r *http.Request) {
		s.subject(w, r, r.PathValue("slug"))
	})
	http.HandleFunc("/articles/{slug}", func(w http.ResponseWriter, r *http.Request) {
		s.article(w, r, r.PathValue("slug"))
	})
	http.Handle("/web/", http.FileServerFS(web))
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		s.home(w, r)
	})

	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}
	addr := ":" + port
	log.Printf("Kontra listening on %s (content: %s)", addr, root)
	if err := http.ListenAndServe(addr, nil); err != nil {
		log.Fatalf("server error: %v", err)
	}
}