<?php

namespace App\Models\Game\Matchmaking;

use App\Classes\Matchmaking\MatchmakingPlayerCount;
use App\Enums\Game\Characters;
use App\Enums\Game\CharacterState;
use App\Enums\Game\Faction;
use App\Enums\Game\Matchmaking\MatchmakingSide;
use App\Enums\Game\Matchmaking\MatchStatus;
use App\Http\Controllers\Api\ModerationController;
use App\Http\Requests\Api\Matchmaking\PlayerEndOfMatchRequest;
use App\Models\Admin\Archive\ArchivedGame;
use App\Models\Admin\Archive\ArchivedPlayerProgression;
use App\Models\User\User;
use Cache;
use Illuminate\Database\Eloquent\Concerns\HasUuids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Support\Facades\DB;
use Response;

/**
 * @mixin IdeHelperGame
 */
class Game extends Model
{
    use HasFactory, HasUuids;

    protected $fillable = [
        'status',
        'creator_user_id',
    ];

    protected $casts = [
        'status' => MatchStatus::class,
    ];

    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class, 'creator_user_id');
    }

    public function matchConfiguration(): BelongsTo
    {
        return $this->belongsTo(MatchConfiguration::class);
    }

    public function players(): BelongsToMany
    {
        return $this->belongsToMany(User::class)->withPivot('side')->withTimestamps();
    }

    public function addQueuedPlayer(QueuedPlayer $player): void
    {
        DB::transaction(function () use ($player){
            $this->players()->attach($player->user, ['side' => $player->side->value]);

            foreach ($player->followingUsers as $followingUser) {
                $this->players()->attach($followingUser->user, ['side' => $followingUser->side->value]);
                $followingUser->delete();
            }

            $player->delete();
        });
    }

    public function determineHost(): void
    {
        $hunter = $this->players()->firstWhere('side', '=', MatchmakingSide::Hunter->value);
        $this->creator()->associate($hunter);
        $this->save();
    }

    /**
     * Get the number of needed players to fill the game.
     *
     * @return MatchmakingPlayerCount
     */
    public function remainingPlayerCount(): MatchmakingPlayerCount
    {
        $players = $this->players;
        $currentHunterCount = 0;
        $currentRunnerCount = 0;

        foreach ($players as $player) {
            if($player->pivot->side === MatchmakingSide::Hunter->value)
                ++$currentHunterCount;
            else
                ++$currentRunnerCount;
        }

        $config = $this->matchConfiguration;

        if($config === null)
            return new MatchmakingPlayerCount();

        return new MatchmakingPlayerCount(
            $config->hunters - $currentHunterCount,
            $config->runners - $currentRunnerCount,
        );
    }

    public function archiveGame(Faction $dominantFaction): void
    {
        $archived = new ArchivedGame();
        $archived->id = $this->id;
        $archived->dominant_faction = $dominantFaction;

        $archived->chat_messages = Cache::get(ModerationController::CHAT_CACHE_KEY . $this->id, []);

        $archived->save();
    }
}