<?php

namespace Ainet\Controllers;
use Ainet\Models\User;


class UserController
{
	public function listUsers(){
        $users = User::all();
		$title = 'List users';
		render_view('users.list', compact('title', 'users'));
    }

	public function addUser(){
		$title = 'Add user';
		$user = new User;
		$errors = [];
		$formSubmitted = !empty($_POST);
		if (!$formSubmitted) {
			render_view('users.add', compact('title','user','errors'));
		}else{
			$user = $this->createUserFromData();
			$errors = $this->validate($user);
			require('src/views/users/partials/errors.view.php');
			render_view('users.add', compact('title','user','errors'));
		}

	}

	private function validate($user)
	{


		$errors = [];
		$passwordConfirmation = $_POST['password_confirmation'];
		if (!trim($user->fullname)) {
			$errors['Fullname'] = 'Fullname is required.';
		} elseif (!preg_match('/^[a-zA-Z ]+$/', $user->fullname)) {
			$errors['Fullname'] = 'Fullname must only contain letters and spaces.';
		}
		if (!$user->email) {
			$errors['Email'] = 'Email is required.';
		} elseif (!filter_var($user->email, FILTER_VALIDATE_EMAIL)) {
			$errors['Email'] = 'Invalid email address.';
		}

		if (!$user->password) {
			$errors['Password'] = 'Password is required.';
		} elseif (strlen($user->password) <= 8) {
			$errors['Password'] = 'Password must have at least 8 characters.';
		}

		if ($user->password && $passwordConfirmation != $user->password) {
			$errors['PasswordConfirmation'] = 'Password confirmation must be equal to password.';
		}

		if (!$user->user_type) {
			$errors['UserType'] = 'User type is required.';
		} else {
			switch ($user->user_type) {
				case 1:
				case 2:
				case 3:
					break;
				default:
					$errors['UserType'] = 'Type must be "administrator", "publisher" or "client".';
			}
		}



		return $errors;
	}

	private function createUserFromData()
	{
		$user = new User();

		if (array_key_exists('fullname', $_POST)) {
        $user->fullname = $_POST['fullname'];
    	}
    	else{
    		$user->fullname = null;
    	}

    	if (array_key_exists('user_type', $_POST)) {
			$user->user_type = $_POST['user_type'];
    	}
    	else{
    		$user->user_type = null;
    	}

    	if (array_key_exists('email', $_POST))
 		{
 			$user->email = $_POST['email'];
 		}
 		else{
 			$user->email = null;
 		}

 		if(array_key_exists('password', $_POST))
 		{
 			$user->password = $_POST['password'];
 		}
 		else{
 			$user->password = null;
 		}

        return $user;
	}


}
?>