<?php

use com\fwdekker\deathnotifier\ActionDispatcher;
use com\fwdekker\deathnotifier\ActionMethod;
use com\fwdekker\deathnotifier\Database;
use com\fwdekker\deathnotifier\EmulateCronCliAction;
use com\fwdekker\deathnotifier\LoggerUtil;
use com\fwdekker\deathnotifier\mailer\MailManager;
use com\fwdekker\deathnotifier\mailer\ProcessEmailQueueCliAction;
use com\fwdekker\deathnotifier\mediawiki\MediaWiki;
use com\fwdekker\deathnotifier\Response;
use com\fwdekker\deathnotifier\StartSessionAction;
use com\fwdekker\deathnotifier\tracking\AddTrackingAction;
use com\fwdekker\deathnotifier\tracking\ListTrackingsAction;
use com\fwdekker\deathnotifier\tracking\RemoveTrackingAction;
use com\fwdekker\deathnotifier\tracking\TrackingManager;
use com\fwdekker\deathnotifier\tracking\UpdateTrackingsCliAction;
use com\fwdekker\deathnotifier\user\GetUserDataAction;
use com\fwdekker\deathnotifier\user\LoginAction;
use com\fwdekker\deathnotifier\user\LogoutAction;
use com\fwdekker\deathnotifier\user\RegisterAction;
use com\fwdekker\deathnotifier\user\ResendVerifyEmailAction;
use com\fwdekker\deathnotifier\user\ResetPasswordAction;
use com\fwdekker\deathnotifier\user\SendPasswordResetAction;
use com\fwdekker\deathnotifier\user\ToggleNotificationsAction;
use com\fwdekker\deathnotifier\user\UpdateEmailAction;
use com\fwdekker\deathnotifier\user\UpdatePasswordAction;
use com\fwdekker\deathnotifier\user\UserDeleteAction;
use com\fwdekker\deathnotifier\user\UserManager;
use com\fwdekker\deathnotifier\user\ValidatePasswordResetTokenAction;
use com\fwdekker\deathnotifier\user\VerifyEmailAction;
use com\fwdekker\deathnotifier\Util;

/** @noinspection PhpIncludeInspection Exists after `npm run deploy` */
require_once __DIR__ . "/.vendor/autoload.php";


// Preamble
$config = Util::read_config();

LoggerUtil::configure($config["logger"]);
$logger = LoggerUtil::with_name();

$db = new Database($config["database"]["filename"]);

$mediawiki = new MediaWiki();
$mail_manager = new MailManager($db->conn);
$user_manager = new UserManager($db->conn, $mail_manager);
$tracking_manager = new TrackingManager($db->conn);


// Handle request
try {
    session_start();
    $_SESSION["token"] = $_SESSION["token"] ?? Util::generate_csrf_token();
    $_POST = Util::parse_post();

    // Update database
    $db->auto_install($mail_manager, $user_manager, $tracking_manager);
    $db->auto_migrate();

    // Dispatch request
    $dispatcher = new ActionDispatcher();
    // GET actions
    $dispatcher->register_action(new StartSessionAction($config, $user_manager));
    $dispatcher->register_action(new GetUserDataAction($user_manager));
    $dispatcher->register_action(new ListTrackingsAction($tracking_manager));
    $dispatcher->register_action(new ValidatePasswordResetTokenAction($user_manager));
    // POST actions
    $dispatcher->register_action(new RegisterAction($user_manager));
    $dispatcher->register_action(new LoginAction($user_manager));
    $dispatcher->register_action(new LogoutAction());
    $dispatcher->register_action(new ResendVerifyEmailAction($user_manager));
    $dispatcher->register_action(new VerifyEmailAction($user_manager));
    $dispatcher->register_action(new UpdateEmailAction($user_manager));
    $dispatcher->register_action(new ToggleNotificationsAction($user_manager));
    $dispatcher->register_action(new UpdatePasswordAction($user_manager));
    $dispatcher->register_action(new SendPasswordResetAction($user_manager));
    $dispatcher->register_action(new ResetPasswordAction($user_manager));
    $dispatcher->register_action(new UserDeleteAction($user_manager));
    $dispatcher->register_action(new AddTrackingAction($tracking_manager, $mediawiki));
    $dispatcher->register_action(new RemoveTrackingAction($tracking_manager));
    // CLI actions
    $cli_actions = [
        new UpdateTrackingsCliAction($config, $db->conn, $tracking_manager, $mediawiki, $mail_manager),
        new ProcessEmailQueueCliAction($config, $mail_manager),
    ];
    $dispatcher->register_action($cli_actions[0]);
    $dispatcher->register_action($cli_actions[1]);
    $dispatcher->register_action(new EmulateCronCliAction($cli_actions));
    // Dispatch
    if (isset($_GET["action"]))
        $response = $dispatcher->handle(ActionMethod::GET);
    else if (isset($_POST["action"]))
        $response = $dispatcher->handle(ActionMethod::POST);
    else if ($argc > 1)
        $response = $dispatcher->handle(ActionMethod::CLI);
    else
        $response = Response::satisfied();
} catch (Exception $exception) {
    $response = Response::unsatisfied("An unexpected error occurred. Please try again later.");
    $logger->error("An unexpected error occurred. Please try again later.", ["cause" => $exception]);
}


// Respond
header("Content-type:application/json;charset=utf-8");
exit(json_encode([
    "payload" => $response->payload,
    "satisfied" => $response->satisfied,
    "token" => $_SESSION["token"]
]));