<?php



namespace PlayNoteBlockSong;



use pocketmine\plugin\PluginBase;

use pocketmine\command\CommandSender;

use pocketmine\command\Command;

use pocketmine\level\Position;

use pocketmine\utils\TextFormat as Color;

use pocketmine\event\TranslationContainer as Translation;

use AddNoteBlock\block\NoteBlock;

use PlayNoteBlockSong\task\LoadSongAsyncTask;

use PlayNoteBlockSong\task\PlaySongTask;



class PlayNoteBlockSong extends PluginBase{

	const SONG = 0;

	const NAME = 1;



	private $songs = [], $index = 0, $song, $play = false;



	public function onEnable(){

		$this->getServer()->getScheduler()->scheduleAsyncTask(new LoadSongAsyncTask());

		$this->getServer()->getScheduler()->scheduleRepeatingTask(new PlaySongTask($this), 2);

	}



	public function onCommand(CommandSender $sender, Command $cmd, $label, array $sub){

		$ik = $this->isKorean();

		if(!isset($sub[0]) || $sub[0] == ""){

			return false;

		}

		switch(strtolower($sub[0])){

 			case "play":

 			case "p":

				if(!$sender->hasPermission("playnoteblocksong.cmd.play")){

					$r = new Translation(Color::RED . "%commands.generic.permission");

				}elseif($this->play){

					$r = Color::RED . "[PlayNBS] " . ($ik ? "이미 재생중입니다." : "Already playing");

				}elseif(count($this->songs) <= 0){

					$r = Color::RED . "[PlayNBS] " . ($ik ? "당신은 음악이 하나도 없습니다." : "You don't have any song");

				}else{

					if(!$this->song instanceof SongPlayer){

						$this->song = clone $this->songs[$this->index][self::SONG];

					}

					$this->play = true;

					$r = Color::YELLOW . "[PlayNBS] " . ($ik ? "음악을 재생합니다. : " : "Play the song : ") . $this->songs[$this->index][self::NAME];

				}

			break;

			case "stop":

			case "s":

				if(!$sender->hasPermission("playnoteblocksong.cmd.stop")){

					$r = new Translation(Color::RED . "%commands.generic.permission");

				}elseif(!$this->play){

					$r = Color::RED . "[PlayNBS] " . ($ik ? "음악이 재생중이 아닙니다." : "Shong is not playing");

				}else{

					$this->play = false;

					$r = Color::YELLOW . "[PlayNBS] " . ($ik ? "음악을 중지합니다." : "Stop the song");

				}

			break;

			case "next":

			case "n":

				if(!$sender->hasPermission("playnoteblocksong.cmd.next")){

					$r = new Translation(Color::RED . "%commands.generic.permission");

				}elseif(count($this->songs) <= 0){

					$r = Color::RED . "[PlayNBS] " . ($ik ? "당신은 음악이 하나도 없습니다." : "You don't have any song");

				}else{

					if(!isset($this->songs[$this->index + 1])){

						$this->index = 0;

					}else{

						$this->index++;

					}

					$this->song = clone $this->songs[$this->index][self::SONG];

					$this->getLogger()->notice(Color::AQUA . "Play next song : " . $this->songs[$this->index][self::NAME]);

					$r = Color::YELLOW . "[PlayNBS] " . ($ik ? "다음 음악을 재생합니다. : " : "Play next song : ") . $this->songs[$this->index][self::NAME];

				}

			break;

			case "prev":

			case "pr":

				if(!$sender->hasPermission("playnoteblocksong.cmd.prev")){

					$r = new Translation(Color::RED . "%commands.generic.permission");

				}elseif(count($this->songs) <= 0){

					$r = Color::RED . "[PlayNBS] " . ($ik ? "당신은 음악이 하나도 없습니다." : "You don't have any song");

				}else{

					if(!isset($this->songs[$this->index - 1])){

						$this->index = 0;

					}else{

						$this->index--;

					}

					$this->song = clone $this->songs[$this->index][self::SONG];

					$this->getLogger()->notice(Color::AQUA . "Play prev song : " . $this->songs[$this->index][self::NAME]);

					$r = Color::YELLOW . "[PlayNBS] " . ($ik ? "이전 음악을 재생합니다. : " : "Play prev song : ") . $this->songs[$this->index][self::NAME];

				}

			break;

			case "shuffle":

			case "sh":

				if(!$sender->hasPermission("playnoteblocksong.cmd.shuffle")){

					$r = new Translation(Color::RED . "%commands.generic.permission");

				}elseif(count($this->songs) <= 0){

					$r = Color::RED . "[PlayNBS] " . ($ik ? "당신은 음악이 하나도 없습니다." : "You don't have any song");

				}else{

					shuffle($this->songs);

					$this->index = 0;

					$this->song = clone $this->songs[$this->index][self::SONG];

					$this->getLogger()->notice(Color::AQUA . "Song list is Shuffled. Now song : " . $this->songs[$this->index][self::NAME]);

					$r = Color::YELLOW . "[PlayNBS] " . ($ik ? "음악 목록이 뒤섞였습니다. 다음 음악 : " : "Song list is Shuffled. Now song : ") . $this->songs[$this->index][self::NAME];

				}

			break;

			case "list":

			case "l":

				if(!$sender->hasPermission("playnoteblocksong.cmd.list")){

					$r = new Translation(Color::RED . "%commands.generic.permission");

				}elseif(count($this->songs) <= 0){

					$r = Color::RED . "[PlayNBS] " . ($ik ? "당신은 음악이 하나도 없습니다." : "You don't have any song");

				}else{

					$lists = array_chunk($this->songs, 5);

					$r = Color::YELLOW . "[PlayNBS] " . ($ik ? "음악 목록 (페이지: " : "Song list (Page: ") . ($page = min(isset($sub[1]) && is_numeric($sub[1]) && isset($lists[$sub[1] - 1]) ? $sub[1] : 1, count($lists))). "/" . count($lists) . ") (" . count($this->songs) . ")";

					if(isset($lists[--$page])){

						foreach($lists[$page] as $key => $songData){

							$r .= "\n" . Color::GOLD . "    [" . (($page * 5 + $key) + 1) .  "] " . $songData[self::NAME];

						}

					}

				}

			break;

			case "reload":

			case "r":

				if(!$sender->hasPermission("playnoteblocksong.cmd.reload")){

					$r = new Translation(Color::RED . "%commands.generic.permission");

				}else{

					$this->loadSong();

					$r = Color::YELLOW . "[PlayNBS] " . ($ik ? "음악을 다시 로드했습니다." : "Reloaded songs.");

				}

			break;

			default:

				return false;

			break;

		}

		if(isset($r)){

			$sender->sendMessage($r);

		}

		return true;

	}



	public function loadSong(){

		$this->songs = [];

		$logger = $this->getLogger();

		@mkdir($folder = $this->getDataFolder());

		$opendir = opendir($folder);

		$logger->notice(Color::AQUA . "Load song...");

		while(($file = readdir($opendir)) !== false){

			if(($pos = stripos($file, ".nbs")) !== false){

				$this->songs[] = [new SongPlayer($this, $folder . $file), $name = substr($file, 0, $pos)];

				$logger->notice(Color::AQUA . "$name is loaded");

			}

		}

		if(count($this->songs) >= 1){

			$logger->notice(Color::AQUA . "Load complete");

		}else{

			$logger->notice(Color::DARK_RED . "You don't have song");			

			$logger->notice(Color::DARK_RED . "Please put in the song to $folder");			

		}

	}



	public function playSong(){

		if($this->play){

			if($this->song === null || $this->song->isStop()){

				if(!isset($this->songs[$this->index + 1])){

					$this->index = 0;

				}else{

					$this->index++;

				}

				$this->song = clone $this->songs[$this->index][self::SONG];

				$this->getLogger()->notice(Color::AQUA . "Play next song : " . $this->songs[$this->index][self::NAME]);

			}

			$this->song->onRun();

		}

	}



	public function sendSound($pitch, $type = NoteBlock::PIANO_OR_HARP){

		foreach($this->getServer()->getOnlinePlayers() as $player){

			NoteBlock::runNoteBlockSound(new Position($player->x, $player->y + 1, $player->z, $player->level), $pitch, $type, $player);

		}

	}



	public function getPlaySongName(){

		if(!isset($this->songs[$this->index][self::NAME])){

			return null;

		}else{

			return $this->songs[$this->index][self::NAME];

		}

	}



	public function isKorean(){

		return $this->getServer()->getLanguage()->getName() == "\"한국어\"";

	}

}