package handlers

import (
	"golias/broker"
	"golias/config"
	"golias/models"
	"golias/pkg/cache"
	"html/template"
	"log/slog"
	"net/http"
	"os"
)

var (
	log      *slog.Logger
	cfg      *config.Config
	memcache cache.Cache
	Notifier *broker.Broker
)

func init() {
	log = slog.New(slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{
		Level:     slog.LevelDebug,
		AddSource: true,
	}))
	memcache = cache.MemCache
	cfg = config.LoadConfigOrDefault("")
	Notifier = broker.Notifier
	// go Notifier.Listen()
}

func HandlePing(w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("pong"))
}

func HandleHome(w http.ResponseWriter, r *http.Request) {
	tmpl, err := template.ParseGlob("components/*.html")
	if err != nil {
		abortWithError(w, err.Error())
		return
	}
	fi, _ := getFullInfoByCtx(r.Context())
	if fi != nil && fi.Room != nil && fi.State != nil {
		if fi.State.Role == "mime" {
			fi.Room.RevealAllCards()
		} else {
			fi.Room.UpdateCounter()
		}
	}
	if fi != nil && fi.Room == nil {
		fi.List = listPublicRooms()
	}
	if err := tmpl.ExecuteTemplate(w, "base", fi); err != nil {
		log.Error("failed to exec templ;", "error", err, "templ", "base")
	}
}

func HandleExit(w http.ResponseWriter, r *http.Request) {
	tmpl, err := template.ParseGlob("components/*.html")
	if err != nil {
		abortWithError(w, err.Error())
		return
	}
	fi, err := getFullInfoByCtx(r.Context())
	if err != nil {
		abortWithError(w, err.Error())
		return
	}
	if fi.Room.IsRunning {
		abortWithError(w, "cannot leave when game is running")
		return
	}
	var creatorLeft bool
	if fi.Room.CreatorName == fi.State.Username {
		creatorLeft = true
	}
	exitedRoom := fi.ExitRoom()
	if err := saveRoom(exitedRoom); err != nil {
		abortWithError(w, err.Error())
		return
	}
	if len(exitedRoom.PlayerList) == 0 || creatorLeft {
		removeRoom(exitedRoom.ID)
		// TODO: notify users if creator left
		notify(models.NotifyRoomListUpdate, "")
	}
	if err := saveState(fi.State.Username, fi.State); err != nil {
		abortWithError(w, err.Error())
		return
	}
	fi.List = listPublicRooms()
	if err := tmpl.ExecuteTemplate(w, "base", fi); err != nil {
		log.Error("failed to exec templ;", "error", err, "templ", "base")
	}
}