<?php

namespace TwoFAS\TwoFAS\Http\Controllers\Admin;

use TwoFAS\Account\Exception\AuthorizationException;
use TwoFAS\Account\Exception\Exception as Account_Exception;
use TwoFAS\Account\Exception\NotFoundException;
use TwoFAS\Account\Exception\PasswordResetAttemptsRemainingIsReachedException;
use TwoFAS\Account\Exception\ValidationException;
use TwoFAS\TwoFAS\Exceptions\User_Not_Found_Exception;
use TwoFAS\TwoFAS\Http\Controllers\Controller;
use TwoFAS\TwoFAS\Http\Redirection_Response;
use TwoFAS\TwoFAS\Http\Request;
use TwoFAS\TwoFAS\Http\Route;
use TwoFAS\TwoFAS\Http\View_Response;
use TwoFAS\TwoFAS\Templates\Views;

class Account_Controller extends Controller {

	/**
	 * @param Request $request
	 *
	 * @return Redirection_Response|View_Response
	 *
	 * @throws Account_Exception
	 */
	public function create_account( Request $request ) {
		if ( ! $request->is_post() ) {
			return $this->render_account_view( Views::CREATE_ACCOUNT );
		}

		$email                 = $request->get_twofas_param( 'email' );
		$password              = $request->get_twofas_param( 'password' );
		$password_confirmation = $request->get_twofas_param( 'password-confirmation' );

		try {
			$this->api_wrapper->create_account( $email, $password, $password_confirmation );

			return $this->redirect( Route::SUBMENU_DASHBOARD );
		} catch ( ValidationException $e ) {
			$this->flash->add_message_now( 'error', $this->get_validation_error( $e ) );

			return $this->render( Views::CREATE_ACCOUNT, array( 'email' => $email ) );
		}
	}

	/**
	 * @param Request $request
	 *
	 * @return View_Response|Redirection_Response
	 *
	 * @throws Account_Exception
	 */
	public function login( Request $request ) {
		if ( ! $request->is_post() ) {
			return $this->render_account_view( Views::LOGIN_FORM );
		}

		$email         = $request->get_twofas_param( 'email' );
		$password      = $request->get_twofas_param( 'password' );
		$template_name = Views::LOGIN_FORM;
		$template_data = array( 'email' => $email );

		try {
			$this->api_wrapper->login( $email, $password );
			$this->flash->add_message( 'success', 'logged-in' );

			return $this->redirect( Route::SUBMENU_DASHBOARD );
		} catch ( ValidationException $e ) {
			$this->flash->add_message_now( 'error', $this->get_validation_error( $e ) );
		} catch ( AuthorizationException $e ) {
			$this->flash->add_message_now( 'error', 'invalid-credentials' );
		}

		return $this->render( $template_name, $template_data );
	}

	/**
	 * @param Request $request
	 *
	 * @return Redirection_Response
	 */
	public function logout( Request $request ) {
		$this->storage->get_options()->delete_wp_options_except( 'twofas_plugin_version' );
		$this->storage->get_user_storage()->delete_wp_user_meta();
		$request->cookie()->delete_wp_cookies();

		$this->flash->add_message( 'success', 'logged-out' );

		return $this->redirect( Route::SUBMENU_DASHBOARD, Route::ACTION_CREATE_ACCOUNT );
	}

	/**
	 * @param Request $request
	 *
	 * @return View_Response|Redirection_Response
	 *
	 * @throws PasswordResetAttemptsRemainingIsReachedException
	 * @throws Account_Exception
	 */
	public function reset_password( Request $request ) {
		if ( ! $request->is_post() ) {
			return $this->render_account_view( Views::RESET_PASSWORD );
		}

		$email = $request->get_twofas_param( 'email' );

		try {
			$this->api_wrapper->reset_password( $email );
			$this->flash->add_message( 'success', 'email-sent' );

			return $this->redirect( Route::SUBMENU_DASHBOARD, Route::ACTION_LOGIN );
		} catch ( NotFoundException $e ) {
			$this->flash->add_message( 'success', 'email-sent' );

			return $this->redirect( Route::SUBMENU_DASHBOARD, Route::ACTION_LOGIN );
		} catch ( ValidationException $e ) {
			$this->flash->add_message_now( 'error', $this->get_validation_error( $e ) );

			return $this->render( Views::RESET_PASSWORD, array( 'email' => $email ) );
		}
	}

	/**
	 * @param string $template_name
	 *
	 * @return View_Response
	 */
	private function render_account_view( $template_name ) {
		try {
			$email = $this->storage->get_user_storage()->get_email();

			return $this->render( $template_name, array(
				'email' => $email,
			) );

		} catch ( User_Not_Found_Exception $e ) {
			return $this->render( Views::ERROR, array(
				'description' => $e->getMessage(),
			) );
		}
	}
}