<?php


require "../vendor/autoload.php";
require "../config.php";
require "../sql/database.php";
require "../src/utils.php";
require "../src/App/react-display.php";

use IQBall\App\AppAction;
use IQBall\App\Controller\AuthController;
use IQBall\App\Controller\EditorController;
use IQBall\App\Controller\TeamController;
use IQBall\App\Controller\UserController;
use IQBall\App\Controller\VisualizerController;
use IQBall\Core\Connection;
use IQBall\Core\Gateway\AccountGateway;
use IQBall\Core\Gateway\TacticInfoGateway;
use IQBall\Core\Gateway\TeamGateway;
use IQBall\Core\Http\HttpCodes;
use IQBall\Core\Http\HttpResponse;
use IQBall\Core\Http\JsonHttpResponse;
use IQBall\Core\Http\ViewHttpResponse;
use IQBall\Core\Model\AuthModel;
use IQBall\Core\Model\TacticModel;
use IQBall\Core\Model\TeamModel;
use IQBall\Core\Session\MutableSessionHandle;
use IQBall\Core\Session\PhpSessionHandle;
use IQBall\Core\Session\SessionHandle;
use IQBall\Core\Validation\ValidationFail;
use Twig\Environment;
use Twig\Error\LoaderError;
use Twig\Error\RuntimeError;
use Twig\Error\SyntaxError;
use Twig\Loader\FilesystemLoader;

function getConnection(): Connection {
    return new Connection(get_database());
}

function getUserController(): UserController {
    return new UserController(new TacticModel(new TacticInfoGateway(getConnection())));
}

function getVisualizerController(): VisualizerController {
    return new VisualizerController(new TacticModel(new TacticInfoGateway(getConnection())));
}

function getEditorController(): EditorController {
    return new EditorController(new TacticModel(new TacticInfoGateway(getConnection())));
}

function getTeamController(): TeamController {
    return new TeamController(new TeamModel(new TeamGateway(getConnection())));
}

function getAuthController(): AuthController {
    return new AuthController(new AuthModel(new AccountGateway(getConnection())));
}

function getRoutes(): AltoRouter {
    global $basePath;

    $ar = new AltoRouter();
    $ar->setBasePath($basePath);

    //authentication
    $ar->map("GET", "/login", AppAction::noAuth(fn() => getAuthController()->displayLogin()));
    $ar->map("GET", "/register", AppAction::noAuth(fn() => getAuthController()->displayRegister()));
    $ar->map("POST", "/login", AppAction::noAuth(fn(SessionHandle $s) => getAuthController()->confirmLogin($_POST, $s)));
    $ar->map("POST", "/register", AppAction::noAuth(fn(SessionHandle $s) => getAuthController()->confirmRegister($_POST, $s)));

    //user-related
    $ar->map("GET", "/home", AppAction::auth(fn(SessionHandle $s) => getUserController()->home($s)));
    $ar->map("GET", "/settings", AppAction::auth(fn(SessionHandle $s) => getUserController()->settings($s)));

    //tactic-related
    $ar->map("GET", "/tactic/[i:id]/view", AppAction::auth(fn(int $id, SessionHandle $s) => getVisualizerController()->visualize($id, $s)));
    $ar->map("GET", "/tactic/[i:id]/edit", AppAction::auth(fn(int $id, SessionHandle $s) => getEditorController()->edit($id, $s)));
    $ar->map("GET", "/tactic/new", AppAction::auth(fn(SessionHandle $s) => getEditorController()->createNew($s)));

    //team-related
    $ar->map("GET", "/team/new", AppAction::auth(fn(SessionHandle $s) => getTeamController()->displayCreateTeam($s)));
    $ar->map("POST", "/team/new", AppAction::auth(fn(SessionHandle $s) => getTeamController()->submitTeam($_POST, $s)));
    $ar->map("GET", "/team/search", AppAction::auth(fn(SessionHandle $s) => getTeamController()->displayListTeamByName($s)));
    $ar->map("POST", "/team/search", AppAction::auth(fn(SessionHandle $s) => getTeamController()->listTeamByName($_POST, $s)));
    $ar->map("GET", "/team/[i:id]", AppAction::auth(fn(int $id, SessionHandle $s) => getTeamController()->displayTeam($id, $s)));
    $ar->map("GET", "/team/members/add", AppAction::auth(fn(SessionHandle $s) => getTeamController()->displayAddMember($s)));
    $ar->map("POST", "/team/members/add", AppAction::auth(fn(SessionHandle $s) => getTeamController()->addMember($_POST, $s)));
    $ar->map("GET", "/team/members/remove", AppAction::auth(fn(SessionHandle $s) => getTeamController()->displayDeleteMember($s)));
    $ar->map("POST", "/team/members/remove", AppAction::auth(fn(SessionHandle $s) => getTeamController()->deleteMember($_POST, $s)));

    return $ar;
}

function render(HttpResponse $response): void {
    http_response_code($response->getCode());

    foreach ($response->getHeaders() as $header => $value) {
        header("$header: $value");
    }

    if ($response instanceof ViewHttpResponse) {
        renderView($response);
    } elseif ($response instanceof JsonHttpResponse) {
        header('Content-type: application/json');
        echo $response->getJson();
    }
}

function renderView(ViewHttpResponse $response): void {
    $file = $response->getFile();
    $args = $response->getArguments();

    switch ($response->getViewKind()) {
        case ViewHttpResponse::REACT_VIEW:
            send_react_front($file, $args);
            break;
        case ViewHttpResponse::TWIG_VIEW:
            try {
                $loader = new FilesystemLoader('../src/Views/');
                $twig = new Environment($loader);
                $twig->display($file, $args);
            } catch (RuntimeError | SyntaxError | LoaderError $e) {
                http_response_code(500);
                echo "There was an error rendering your view, please refer to an administrator.\nlogs date: " . date("YYYD, d M Y H:i:s");
                throw $e;
            }
            break;
    }
}

function runAction(AppAction $action, array $params, MutableSessionHandle $session): HttpResponse {
    global $basePath;
    if ($action->isAuthRequired()) {
        $account = $session->getAccount();
        if ($account == null) {
            // put in the session the initial url the user wanted to get
            $session->setInitialTarget($_SERVER['REQUEST_URI']);
            return HttpResponse::redirect($basePath . "/login");
        }
    }

    return $action->run($params, $session);
}

function runMatch(array $match, MutableSessionHandle $session): HttpResponse {
    if (!$match) {
        return ViewHttpResponse::twig("error.html.twig", [
            'failures' => [ValidationFail::notFound("Could not find page ${_SERVER['REQUEST_URI']}.")],
        ], HttpCodes::NOT_FOUND);
    }

    return runAction($match['target'], $match['params'], $session);
}

//this is a global variable
$basePath = get_public_path();

render(runMatch(getRoutes()->match(), PhpSessionHandle::init()));