<?php

namespace App\Http\Controllers;

use App\Models\Channel;
use App\Models\TwitchBotCommand;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Http\Request;

class ChannelController extends Controller {

	public function search(Request $request) {
		$validatedData = $request->validate([
			'joinable' => 'boolean|nullable',
			'manageable' => 'boolean|nullable',
			'phrase' => 'string|nullable',
		]);

		$channels = Channel::query();
		if (isset($validatedData['joinable']) && $validatedData['joinable']) {
			$channels = $channels->where('twitch_chat', '!=', '');
		}
		if (isset($validatedData['manageable']) && $validatedData['manageable']) {
			$user = $request->user();
			if (!$user) {
				return [];
			}
			$channels = $channels->whereHas('crews', function (Builder $query) use ($user) {
				$query->where('user_id', '=', $user->id);
			});
		}
		if (!empty($validatedData['phrase'])) {
			$channels = $channels->where('title', 'LIKE', '%'.$validatedData['phrase'].'%')
				->orWhere('short_name', 'LIKE', '%'.$validatedData['phrase'].'%');
		}
		$channels = $channels->limit(5);
		return $channels->get()->toJson();
	}

	public function single(Request $request, Channel $channel) {
		$this->authorize('view', $channel);
		return $channel->toJson();
	}

	public function join(Request $request, Channel $channel) {
		if (!$channel->twitch_chat) {
			throw new \Exception('channel has no twitch chat set');
		}
		$this->authorize('editRestream', $channel);
		$channel->join = true;
		$channel->save();
		TwitchBotCommand::join($channel->twitch_chat);
		return $channel->toJson();
	}

	public function part(Request $request, Channel $channel) {
		if (!$channel->twitch_chat) {
			throw new \Exception('channel has no twitch chat set');
		}
		$this->authorize('editRestream', $channel);
		$channel->join = false;
		$channel->save();
		TwitchBotCommand::part($channel->twitch_chat);
		return $channel->toJson();
	}

}