<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Helpers\TwitchHelper;
use App\Models\TwitchUser;
use App\Models\CommandHistory;
use App\Models\CurrentState;
use App\Models\GameSession;
use Illuminate\Support\Facades\Log;

class TwitchController extends Controller
{
    public function parseChatMessage(Request $request)
    {
        Log::info("Entered parseChatMessage");
        $message = $request->input('message');
        $username = $request->input('username');
        $gameSession = $this->getCurrentGameSession();

        Log::debug('TwitchController::parseChatMessage', [
            'message' => $message,
            'username' => $username,
            'gameSessionId' => $gameSession->id
        ]);

        if (!$message || !$username || !$gameSession) {
            Log::debug('TwitchController::parseChatMessage - Missing input or invalid game session', [
                'message' => $message,
                'username' => $username,
                'gameSession' => $gameSession
            ]);
            return response()->json(['error' => 'No message, username, or valid game session provided'], 400);
        }

        $user = TwitchUser::firstOrCreate(['twitch_username' => $username]);

        $parsedCommand = TwitchHelper::parseMessage($message);
        Log::debug('TwitchController::parseChatMessage - Parsed Command', ['parsedCommand' => $parsedCommand]);

        if ($parsedCommand) {
            CommandHistory::create([
                'user_id' => $user->id,
                'command' => $parsedCommand['command'],
                'x' => $parsedCommand['x'] ?? null,
                'y' => $parsedCommand['y'] ?? null,
                'color' => $parsedCommand['color'] ?? null,
                'game_session_id' => $gameSession->id,
            ]);

            switch ($parsedCommand['command']) {
                case 'place':
                    $this->handlePlaceCommand($parsedCommand, $user->id);
                    break;
                // Add cases for other commands like 'row', 'column', 'fill'
            }

            return response()->json($parsedCommand);
        }

        Log::debug('TwitchController::parseChatMessage - Invalid command', ['message' => $message]);
        return response()->json(['error' => 'Invalid command'], 400);
    }

    private function handlePlaceCommand($parsedCommand, $userId)
    {
        Log::debug('TwitchController::handlePlaceCommand', ['command' => $parsedCommand]);

        $x = $parsedCommand['x'];
        $y = $parsedCommand['y'];
        $color = $parsedCommand['color'];

        $currentState = CurrentState::where('x', $x)->where('y', $y)->first();
        Log::debug('TwitchController::handlePlaceCommand - Retrieved Current State', ['currentState' => $currentState]);

        if ($currentState) {
            $currentState->update(['color' => $color, 'updated_by' => $userId]);
        } else {
            CurrentState::create(['x' => $x, 'y' => $y, 'color' => $color, 'updated_by' => $userId]);
        }
    }

    private function getCurrentGameSession()
    {
        $gameSession = GameSession::whereNull('ended_at')->latest()->first();

        if (!$gameSession) {
            $gameSession = GameSession::create(['session_name' => 'Session ' . now()]);
        }

        return $gameSession;
    }

    public function getCurrentState()
    {
        $currentState = CurrentState::all();
        return response()->json($currentState);
    }
}