<?php
use FML\Controls\Frame;
use FML\Controls\Labels\Label_Button;
use FML\Controls\Labels\Label_Text;
use FML\Controls\Quad;

use FML\Controls\Quads\Quad_Icons64x64_1;
use FML\ManiaLink;
use ManiaControl\Callbacks\CallbackListener;
use ManiaControl\Callbacks\CallbackManager;
use ManiaControl\Commands\CommandListener;
use ManiaControl\ManiaControl;
use ManiaControl\Manialinks\ManialinkPageAnswerListener;
use ManiaControl\Players\Player;
use ManiaControl\Players\PlayerManager;
use ManiaControl\Plugins\Plugin;

/**
 * Queue plugin
 *
 * @author TheM
 */

// TODO: worst kick function
// TODO: idlekick function (?)

class QueuePlugin implements CallbackListener, CommandListener, ManialinkPageAnswerListener, Plugin {
	/**
	 * Constants
	 */
	const ID                 = 12;
	const VERSION            = 0.1;
	const ML_ID              = 'Queue.Widget';
	const ML_ADDTOQUEUE      = 'Queue.Add';
	const ML_REMOVEFROMQUEUE = 'Queue.Remove';

	const QUEUE_MAX = 'Maximum number in the queue';

	/**
	 * Private properties
	 */
	/** @var ManiaControl $maniaControl */
	private $maniaControl = null;
	private $queue = array();
	private $spectators = array();
	private $showPlay = array();

	/**
	 * Load the plugin
	 *
	 * @param \ManiaControl\ManiaControl $maniaControl
	 * @return bool
	 */
	public function load(ManiaControl $maniaControl) {
		$this->maniaControl = $maniaControl;

		$this->maniaControl->callbackManager->registerCallbackListener(PlayerManager::CB_PLAYERJOINED, $this, 'handlePlayerConnect');
		$this->maniaControl->callbackManager->registerCallbackListener(PlayerManager::CB_PLAYERDISCONNECTED, $this, 'handlePlayerDisconnect');
		$this->maniaControl->callbackManager->registerCallbackListener(CallbackManager::CB_MP_PLAYERINFOCHANGED, $this, 'handlePlayerInfoChanged');
		$this->maniaControl->callbackManager->registerCallbackListener(CallbackManager::CB_MC_1_SECOND, $this, 'handleEverySecond');
		$this->maniaControl->manialinkManager->registerManialinkPageAnswerListener(self::ML_ADDTOQUEUE, $this, 'handleManiaLinkAnswerAdd');
		$this->maniaControl->manialinkManager->registerManialinkPageAnswerListener(self::ML_REMOVEFROMQUEUE, $this, 'handleManiaLinkAnswerRemove');

		$this->maniaControl->settingManager->initSetting($this, self::QUEUE_MAX, 8);

		foreach($this->maniaControl->playerManager->getPlayers() as $player) {
			if($player->isSpectator) {
				$this->spectators[$player->login] = $player->login;
				$this->maniaControl->client->forceSpectator($player->login, 1);
				$this->showJoinQueueWidget($player);
			}
		}
	}

	/**
	 * Unload the plugin and its resources
	 */
	public function unload() {
		$this->maniaControl->manialinkManager->unregisterManialinkPageAnswerListener($this);
		$this->maniaControl->callbackManager->unregisterCallbackListener($this);

		foreach($this->spectators as $spectator) {
			$this->maniaControl->client->forceSpectator($spectator, 3);
			$this->maniaControl->client->forceSpectator($spectator, 0);
		}

		foreach($this->maniaControl->playerManager->getPlayers() as $player) {
			$this->hideQueueWidget($player);
		}

		$this->queue        = array();
		$this->spectators   = array();
		$this->showPlay     = array();
		$this->maniaControl = null;
	}

	/**
	 * Get plugin id
	 *
	 * @return int
	 */
	public static function getId() {
		return self::ID;
	}

	/**
	 * Get Plugin Name
	 *
	 * @return string
	 */
	public static function getName() {
		return 'Queue Plugin';
	}

	/**
	 * Get Plugin Version
	 *
	 * @return float
	 */
	public static function getVersion() {
		return self::VERSION;
	}

	/**
	 * Get Plugin Author
	 *
	 * @return string
	 */
	public static function getAuthor() {
		return 'TheM';
	}

	/**
	 * Get Plugin Description
	 *
	 * @return string
	 */
	public static function getDescription() {
		return 'Plugin offers the known AutoQueue/SpecJam options.';
	}

	public function handlePlayerConnect(array $callback) {
		$login  = $callback[1]->login;
		$player = $this->maniaControl->playerManager->getPlayer($login);

		if($player->isSpectator) {
			$this->spectators[$player->login] = $player->login;
			$this->maniaControl->client->forceSpectator($player->login, 1);
			$this->showJoinQueueWidget($player);
		} else {
			if(count($this->queue) != 0) {
				$this->maniaControl->client->forceSpectator($player->login, 1);
				$this->spectators[$player->login] = $player->login;
				$this->showJoinQueueWidget($player);
			}
		}
	}

	public function handlePlayerDisconnect(array $callback) {
		/** @var  Player $player */
		$player = $callback[1];
		if(isset($this->spectators[$player->login])) {
			unset($this->spectators[$player->login]);
		}
		$this->removePlayerFromQueue($player->login);
		$this->moveFirstPlayerToPlay();
	}

	public function handlePlayerInfoChanged(array $callback) {
		$login  = $callback[1][0]['Login'];
		$player = $this->maniaControl->playerManager->getPlayer($login);

		if(!is_null($player)) {
			if($player->isSpectator) {
				if(!isset($this->spectators[$player->login])) {
					$this->maniaControl->client->forceSpectator($player->login, 1);
					$this->spectators[$player->login] = $player->login;
					$this->showJoinQueueWidget($player);
				}
			}
		}
	}

	public function handleEverySecond() {
		if($this->maniaControl->client->getMaxPlayers()['CurrentValue'] > count($this->maniaControl->playerManager->players)) {
			$this->moveFirstPlayerToPlay();
		}

		foreach($this->spectators as $login) {
			$player = $this->maniaControl->playerManager->getPlayer($login);
			$this->showJoinQueueWidget($player);
		}

		foreach($this->showPlay as $showPlay) {
			if(($showPlay['time'] + 5) < time()) {
				$this->hideQueueWidget($showPlay['player']);
				unset($this->showPlay[$showPlay['player']->login]);
			}
		}
	}

	public function handleManiaLinkAnswerAdd(array $chatCallback, Player $player) {
		$this->addPlayerToQueue($player);
	}

	public function handleManiaLinkAnswerRemove(array $chatCallback, Player $player) {
		$this->removePlayerFromQueue($player->login);
		$this->showJoinQueueWidget($player);
		$this->maniaControl->chat->sendChat('$z$s$090[Queue] $<$fff' . $player->nickname . '$> has left the queue!');
	}

	private function moveFirstPlayerToPlay() {
		if(count($this->queue) > 0) {
			$firstPlayer = $this->maniaControl->playerManager->getPlayer($this->queue[0]->login);
			$this->forcePlayerToPlay($firstPlayer);
		}
	}

	private function forcePlayerToPlay(Player $player) {
		if($this->maniaControl->client->getMaxPlayers()['CurrentValue'] > count($this->maniaControl->playerManager->players)) {
			$this->maniaControl->client->forceSpectator($player->login, 2);
			$this->maniaControl->client->forceSpectator($player->login, 0);
			if(isset($this->spectators[$player->login])) {
				unset($this->spectators[$player->login]);
			}
			$this->removePlayerFromQueue($player->login);
			$this->showPlayWidget($player);
			$this->maniaControl->chat->sendChat('$z$s$090[Queue] $<$fff' . $player->nickname . '$> has a free spot and is now playing!');
		}
	}

	private function addPlayerToQueue(Player $player) {
		if($this->maniaControl->settingManager->getSetting($this, self::QUEUE_MAX) > count($this->queue)) {
			$this->queue[count($this->queue)] = $player;
			$this->maniaControl->chat->sendChat('$z$s$090[Queue] $<$fff' . $player->nickname . '$> just joined the queue!');
		}
	}

	private function removePlayerFromQueue($login) {
		$count    = 0;
		$newQueue = array();
		foreach($this->queue as $queuePlayer) {
			if($queuePlayer->login != $login) {
				$newQueue[$count] = $queuePlayer;
				$count++;
			}
		}

		$this->queue = $newQueue;
	}

	private function showJoinQueueWidget(Player $player) {
		$maniaLink = new ManiaLink(self::ML_ID);

		$quadStyle    = $this->maniaControl->manialinkManager->styleManager->getDefaultMainWindowStyle();
		$quadSubstyle = $this->maniaControl->manialinkManager->styleManager->getDefaultMainWindowSubStyle();
		$max_queue    = $this->maniaControl->settingManager->getSetting($this, self::QUEUE_MAX);

		// Main frame
		$frame = new Frame();
		$maniaLink->add($frame);
		$frame->setSize(60, 6);
		$frame->setPosition(0, 67, 0);

		// Background
		$backgroundQuad = new Quad();
		$frame->add($backgroundQuad);
		$backgroundQuad->setPosition(0, 0, 0);
		$backgroundQuad->setSize(70, 10);
		$backgroundQuad->setStyles($quadStyle, $quadSubstyle);

		$cameraQuad = new Quad_Icons64x64_1();
		$frame->add($cameraQuad);
		$cameraQuad->setPosition(-29, 0.4, 2);
		$cameraQuad->setSize(9, 9);
		$cameraQuad->setSubStyle(Quad_Icons64x64_1::SUBSTYLE_Camera);

		$statusLabel = new Label_Text();
		$frame->add($statusLabel);
		$statusLabel->setPosition(4.5, 2.8, 1);
		$statusLabel->setSize(66, 4);
		$statusLabel->setAlign('center', 'center');
		$statusLabel->setScale(0.8);
		$statusLabel->setStyle(Label_Text::STYLE_TextStaticSmall);

		$messageLabel = new Label_Button();
		$frame->add($messageLabel);
		$messageLabel->setPosition(4.5, -1.6, 1);
		$messageLabel->setSize(56, 4);
		$messageLabel->setAlign('center', 'center');
		$messageLabel->setScale(1.0);

		$inQueue = false;
		foreach($this->queue as $queuedPlayer) {
			if($queuedPlayer->login == $player->login) {
				$inQueue = true;
			}
		}

		if($inQueue) {
			$message = '$fff$sYou\'re in the queue (click to unqueue).';

			$position = 0;
			foreach(array_values($this->queue) as $i => $queuePlayer) {
				if($player->login == $queuePlayer->login) {
					$position = ($i + 1);
				}
			}

			$statusLabel->setText('$aaaStatus: In queue, (' . $position . '/' . count($this->queue) . ')      Waiting: ' . count($this->queue) . '/' . $max_queue . '');
			$messageLabel->setAction(self::ML_REMOVEFROMQUEUE);
			$backgroundQuad->setAction(self::ML_REMOVEFROMQUEUE);
			$statusLabel->setAction(self::ML_REMOVEFROMQUEUE);
			$cameraQuad->setAction(self::ML_REMOVEFROMQUEUE);
		} else {
			if(count($this->queue) < $max_queue) {
				$message = '$0ff$sClick to join spectator waiting list.';
				$messageLabel->setAction(self::ML_ADDTOQUEUE);
				$backgroundQuad->setAction(self::ML_ADDTOQUEUE);
				$statusLabel->setAction(self::ML_ADDTOQUEUE);
				$cameraQuad->setAction(self::ML_ADDTOQUEUE);
			} else {
				$message = '$f00The waiting list is full!';
			}

			$statusLabel->setText('$aaaStatus: Not queued spectator      Waiting: ' . count($this->queue) . '/' . $max_queue . '');
		}

		$messageLabel->setText($message);
		$messageLabel->setStyle(Label_Text::STYLE_TextStaticSmall);

		$this->maniaControl->manialinkManager->displayWidget($maniaLink, $player, 'Queue');
	}

	private function showPlayWidget(Player $player) {
		$maniaLink = new ManiaLink(self::ML_ID);

		$quadStyle    = $this->maniaControl->manialinkManager->styleManager->getDefaultMainWindowStyle();
		$quadSubstyle = $this->maniaControl->manialinkManager->styleManager->getDefaultMainWindowSubStyle();

		// Main frame
		$frame = new Frame();
		$maniaLink->add($frame);
		$frame->setSize(60, 6);
		$frame->setPosition(0, 67, 0);

		// Background
		$backgroundQuad = new Quad();
		$frame->add($backgroundQuad);
		$backgroundQuad->setPosition(0, 0, 0);
		$backgroundQuad->setSize(70, 10);
		$backgroundQuad->setStyles($quadStyle, $quadSubstyle);

		$cameraQuad = new Quad_Icons64x64_1();
		$frame->add($cameraQuad);
		$cameraQuad->setPosition(-29, 0.4, 2);
		$cameraQuad->setSize(9, 9);
		$cameraQuad->setSubStyle(Quad_Icons64x64_1::SUBSTYLE_Camera);

		$messageLabel = new Label_Button();
		$frame->add($messageLabel);
		$messageLabel->setPosition(4.5, 0.6, 1);
		$messageLabel->setSize(56, 4);
		$messageLabel->setAlign('center', 'center');
		$messageLabel->setScale(1.0);
		$messageLabel->setText('$090You got a free spot, enjoy playing!');
		$messageLabel->setStyle(Label_Text::STYLE_TextStaticSmall);

		$this->maniaControl->manialinkManager->displayWidget($maniaLink, $player, 'Queue');
		$this->showPlay[$player->login] = array('time' => time(), 'player' => $player);
	}

	private function hideQueueWidget(Player $player) {
		$maniaLink = new ManiaLink(self::ML_ID);
		$this->maniaControl->manialinkManager->displayWidget($maniaLink, $player, 'Queue');
	}
}