<?php

namespace App\TwitchBotCommands;

use App\Models\TwitchBotCommand;
use App\Models\User;
use App\TwitchBot\TwitchBot;

abstract class BaseCommand {

	public static function resolve(TwitchBot $bot, TwitchBotCommand $cmd) {
		switch ($cmd->command) {
			case 'adlib-chat':
				return new AdlibChatCommand($bot, $cmd);
			case 'chat':
				return new ChatCommand($bot, $cmd);
			case 'join':
				return new JoinCommand($bot, $cmd);
			case 'part':
				return new PartCommand($bot, $cmd);
			case 'random-chat':
				return new RandomChatCommand($bot, $cmd);
			default:
				throw new \Exception('unrecognized command');
		}
	}

	public abstract function execute();

	protected function __construct(TwitchBot $bot, TwitchBotCommand $cmd) {
		$this->bot = $bot;
		$this->command = $cmd;
		if ($cmd->tournament && $cmd->tournament->locale) {
			App::setLocale($cmd->tournament->locale);
		}
	}

	protected function getParameter($name) {
		return $this->command->parameters[$name];
	}

	protected function getUser() {
		if (!$this->hasParameter('user')) {
			throw new \Exception('no user in parameters');
		}
		return User::findOrFail($this->getParameter('user'));
	}

	protected function getExecutingUser() {
		return $this->command->user;
	}

	protected function hasParameter($name) {
		return array_key_exists($name, $this->command->parameters);
	}

	protected $bot;
	protected $command;

}