package web

import (
	"html/template"
	"io/fs"
	"log"
	"net/http"

	"infinite-noodle/internal/assets"
	"infinite-noodle/internal/noodle"
)

func StaticFiles() fs.FS {
	return assets.FS
}

func HandleMain(db *noodle.Database, pc *chan noodle.Noodle) func(w http.ResponseWriter, req *http.Request) {
	tmpl, err := template.ParseFS(assets.FS, "templates/*.html")
	if err != nil {
		log.Fatalf("Error parsing templates: %v", err)
	}
	return func(w http.ResponseWriter, req *http.Request) {
		data := db.GetAll()
		if err := tmpl.ExecuteTemplate(w, "index.html", data); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}
	}
}

func HandleDelete(db *noodle.Database, pc *chan noodle.Noodle) func(w http.ResponseWriter, req *http.Request) {
	return func(w http.ResponseWriter, req *http.Request) {
		q := req.URL.Query()
		vals, ok := q["id"]
		if ok {
			id := vals[0]
			item := db.Get(id)
			item.IsUp = false
			*pc <- item
			log.Printf("Deleting noodle=%v", item)
			db.Delete(item.Id)
		}

		http.Redirect(w, req, "/", http.StatusTemporaryRedirect)
	}
}

func HandleAdd(db *noodle.Database, pc *chan noodle.Noodle) func(w http.ResponseWriter, req *http.Request) {
	return func(w http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodPost {
			http.Error(w, "", http.StatusMethodNotAllowed)
			return
		}

		http.Redirect(w, req, "/", http.StatusTemporaryRedirect)
	}
}