package spt

import (
	"errors"
	"strings"

	"github.com/zmb3/spotify/v2"
)

func play(options *spotify.PlayOptions) error {
	return client.PlayOpt(ctx, options)
}

func PlaySong(uri spotify.URI) error {
	return play(&spotify.PlayOptions{
		URIs: []spotify.URI{uri},
	})
}

func PlaySongWithContext(context spotify.URI, position int) error {
	return play(&spotify.PlayOptions{
		PlaybackContext: &context,
		PlaybackOffset:  &spotify.PlaybackOffset{Position: &position},
	})
}

func PlaySongWithContextURI(context, uri spotify.URI) error {
	return play(&spotify.PlayOptions{
		PlaybackContext: &context,
		PlaybackOffset:  &spotify.PlaybackOffset{URI: uri},
	})
}

func PlayContext(context spotify.URI) error {
	return play(&spotify.PlayOptions{
		PlaybackContext: &context,
	})
}

func TogglePlayback() error {
	p, err := client.PlayerCurrentlyPlaying(ctx)
	if err != nil {
		return err
	}
	if p.Playing {
		if err := client.Pause(ctx); err != nil {
			return err
		}
	} else {
		if err := client.Play(ctx); err != nil {
			return err
		}
	}
	return nil
}

func UriToID(uri spotify.URI) (spotify.ID, error) {
	a := strings.Split(string(uri), ":")
	if len(a) != 3 {
		return "", errors.New("Error Decoding the URI")
	}
	return spotify.ID(a[2]), nil
}

func Next() error {
	return client.Next(ctx)
}

func Previous() error {
	return client.Previous(ctx)
}

func Shuffle() error {
	s, err := GetPlayerState()

	if err != nil {
		return err
	}

	return client.Shuffle(ctx, !s.ShuffleState)
}

func Repeat() error {
	s, err := GetPlayerState()
	next := map[string]string{
		"context": "track",
		"track":   "off",
		"off":     "context",
	}

	if err != nil {
		return err
	}

	return client.Repeat(ctx, next[s.RepeatState])
}