<?php

/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
*/

declare(strict_types=1);

namespace pocketmine\item;

use pocketmine\block\Block;
use pocketmine\entity\Entity;
use pocketmine\entity\object\Painting;
use pocketmine\entity\object\PaintingMotive;
use pocketmine\math\Vector3;
use pocketmine\network\mcpe\protocol\LevelEventPacket;
use pocketmine\Player;

class PaintingItem extends Item{
	public function __construct(int $meta = 0){
		parent::__construct(self::PAINTING, $meta, "Painting");
	}

	public function onActivate(Player $player, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector) : bool{
		if(!$blockClicked->isTransparent() and $face > 1 and !$blockReplace->isSolid()){
			/** @var PaintingMotive[] $motives */
			$motives = [];

			$totalDimension = 0;
			foreach(PaintingMotive::getAll() as $motive){
				$currentTotalDimension = $motive->getHeight() + $motive->getWidth();
				if($currentTotalDimension < $totalDimension){
					continue;
				}

				if(Painting::canFit($player->level, $blockReplace, $face, true, $motive)){
					if($currentTotalDimension > $totalDimension){
						$totalDimension = $currentTotalDimension;
						/*
						 * This drops all motive possibilities smaller than this
						 * We use the total of height + width to allow equal chance of horizontal/vertical paintings
						 * when there is an L-shape of space available.
						 */
						$motives = [];
					}

					$motives[] = $motive;
				}
			}

			if(empty($motives)){ //No space available
				return false;
			}

			/** @var PaintingMotive $motive */
			$motive = $motives[array_rand($motives)];

			static $directions = [
				Vector3::SIDE_SOUTH => 0,
				Vector3::SIDE_WEST => 1,
				Vector3::SIDE_NORTH => 2,
				Vector3::SIDE_EAST => 3
			];

			$direction = $directions[$face] ?? -1;
			if($direction === -1){
				return false;
			}

			$nbt = Entity::createBaseNBT($blockReplace, null, $direction * 90, 0);
			$nbt->setByte("Direction", $direction);
			$nbt->setString("Motive", $motive->getName());
			$nbt->setInt("TileX", $blockClicked->getFloorX());
			$nbt->setInt("TileY", $blockClicked->getFloorY());
			$nbt->setInt("TileZ", $blockClicked->getFloorZ());

			$entity = Entity::createEntity("Painting", $blockReplace->getLevel(), $nbt);

			if($entity instanceof Entity){
				--$this->count;
				$entity->spawnToAll();

				$player->getLevel()->broadcastLevelEvent($blockReplace->add(0.5, 0.5, 0.5), LevelEventPacket::EVENT_SOUND_ITEMFRAME_PLACE); //item frame and painting have the same sound
				return true;
			}
		}

		return false;
	}
}