package routes

import (
	"embed"
	"fmt"
	"html/template"
	"log"
	"net/http"

	"sunshine.industries/some-automoderation/rooms"
	"sunshine.industries/some-automoderation/sessions"
)

func registerLoginRoutes(
	templateFs *embed.FS,
	sessionSM sessions.SessionManagement,
	roomsM rooms.RoomManager,
) {
	// login page
	http.HandleFunc("/login", func(w http.ResponseWriter, r *http.Request) {
		var templFile = "templates/login.gohtml"
		tmpl := template.Must(template.ParseFS(templateFs, templFile))
		err := tmpl.Execute(w, nil)
		if err != nil {
			log.Printf("my error in executing template, huh\n %s", err)
		}
	})

	// when the room exists - attempt to join
	http.HandleFunc("/login/join", func(w http.ResponseWriter, r *http.Request) {
		err := r.ParseForm()
		if err != nil {
			w.WriteHeader(http.StatusBadRequest)
		}

		rn := r.PostFormValue("roomName")
		rp := r.PostFormValue("roomPassword")
		pn := r.PostFormValue("personalName")
		pp := r.PostFormValue("personalPassword")

		room, _, err := roomsM.Get(rn)
		if err != nil {
			log.Printf("/login/submit error getting room %s", rn)
			// return i guess
		} else {
			log.Printf("/login/submit found room %+v", room)
		}

		roomId := "room-name-actually" // would be taken from rooms interface from redis
		// would be either taken from room info on correct person pass or created
		personId := 111
		id, err := sessionSM.Save(roomId, int64(personId))
		if err != nil {
			log.Printf("/login/submit > error saving session %s", err)
		}

		fmt.Fprintf(w, "is is %d. room things %s & %s, personal things %s and %s. \n found room %+v", id, rn, rp, pn, pp, room)
		// i suppose here i'll need to
		// a) check if room password OK
		// b) get room data
		// c) check if such person exists,
		// either create one, or check password
		// d) how should i monitor sessions? - space in redis
		// so save session to redis and add cookie with sessionId
	})

	// when room does not exist
	http.HandleFunc("/login/create", func(w http.ResponseWriter, r *http.Request) {
		err := r.ParseForm()
		if err != nil {
			// TODO return error notice somehow
			w.WriteHeader(http.StatusBadRequest)
		}
		roomName := r.PostFormValue("roomName")
		_, exists, _ := roomsM.Get(roomName)
		if exists {
			// TODO return anouther error notice
			log.Printf("error, room name occupied", roomName)
			return
		}
		newRoom := rooms.Room{
			Name: roomName,
			PasswordHash: r.PostFormValue("roomPassword"), // TODO hash the password, not to store
			AdminIds: []int64{1},
			Paricipants: []rooms.Person{
				{
					PersonId: 1,
					Name: r.PostFormValue("personalName"),
					PasswordHash: r.PostFormValue("personalPassword"),
				},
			},
		}
		err = roomsM.Save(newRoom)
		http.SetCookie(w, &http.Cookie{
			Name: "auth",
			Value: "session-id",
			Secure: true,
			HttpOnly: true,
			Path: "/",
		})
		if err != nil {
			log.Printf("what am i to do? error saving room %s", err)
			// todo return error notice somehow
		}
		var templFile = "templates/index.gohtml"
		tmpl := template.Must(template.ParseFS(templateFs, templFile))
		w.Header().Add("HX-Retarget", "body")
		w.Header().Add("HX-Push-Url", "/")
		err = tmpl.Execute(w, nil)
		if err != nil {
			log.Printf("my error in executing template, huh\n %s", err)
		}
	})

	// checking whether the room name already exists
	// toggle button between Join or Create
	http.HandleFunc("/login/room-name-check", func(w http.ResponseWriter, r *http.Request) {
		err := r.ParseForm()
		if err != nil {
			w.WriteHeader(http.StatusBadRequest)
		}
		roomName := r.PostFormValue("roomName")
		_, isFound, err := roomsM.Get(roomName)
		if err != nil {
			log.Printf("/login/room-name-check error finding room %s\n", err)
		}
		var templFile = "templates/login.gohtml"
		tmpl := template.Must(template.ParseFS(templateFs, templFile))
		err = tmpl.ExecuteTemplate(w, "formButton", isFound)
	})

}