package api

import (
	"encoding/json"
	"fmt"
	"music-server/pkg/helpers"
	"music-server/pkg/models"
	"music-server/pkg/server"
	"net/http"
)

func MusicHandler(w http.ResponseWriter, r *http.Request) {
	helpers.SetCorsAndNoCacheHeaders(&w, r)
	if r.URL.Path == "/music" && r.Method == http.MethodGet {
		song := r.URL.Query().Get("song")
		if song == "" {
			w.WriteHeader(http.StatusBadRequest)
			_, err := fmt.Fprint(w, "song can't be empty")
			if err != nil {
				w.WriteHeader(http.StatusInternalServerError)
			}
		} else {
			s := server.GetSong(song)
			helpers.SendSong(w, s)
		}
	} else if r.URL.Path == "/music/first" && r.Method == http.MethodGet {
		song := server.GetSoundCheckSong()
		helpers.SendSong(w, song)

	} else if r.URL.Path == "/music/reset" && r.Method == http.MethodGet {
		server.Reset()
		w.WriteHeader(http.StatusOK)

	} else if r.URL.Path == "/music/rand" && r.Method == http.MethodGet {
		song := server.GetRandomSong()
		helpers.SendSong(w, song)

	} else if r.URL.Path == "/music/rand/low" && r.Method == http.MethodGet {
		chance := server.GetRandomSongLowChance()
		helpers.SendSong(w, chance)

	} else if r.URL.Path == "/music/info" && r.Method == http.MethodGet {
		w.Header().Add("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(server.GetSongInfo())

	} else if r.URL.Path == "/music/list" && r.Method == http.MethodGet {
		w.Header().Add("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(server.GetPlayedSongs())

	} else if r.URL.Path == "/music/next" {
		song := server.GetNextSong()
		helpers.SendSong(w, song)

	} else if r.URL.Path == "/music/previous" {
		song := server.GetPreviousSong()
		helpers.SendSong(w, song)

	} else if r.URL.Path == "/music/all" && r.Method == http.MethodGet {
		w.Header().Add("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(server.GetAllGames())

	} else if r.URL.Path == "/music/all/random" && r.Method == http.MethodGet {
		w.Header().Add("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(server.GetAllGamesRandom())

	} else if r.URL.Path == "/music/played" && r.Method == http.MethodPut {
		var p models.Played
		err := json.NewDecoder(r.Body).Decode(&p)
		if err != nil {
			http.Error(w, err.Error(), http.StatusBadRequest)
			return
		}
		server.SetPlayed(p.Song)
		w.WriteHeader(http.StatusOK)
	} else if r.URL.Path == "/music/addQue" && r.Method == http.MethodGet {
		server.AddLatestToQue()
		w.WriteHeader(http.StatusOK)
	}
}