<?php
/** @license MIT
 * Copyright 2017 J. King, Dustin Wilson et al.
 * See LICENSE and AUTHORS files for details */

declare(strict_types=1);
namespace JKingWeb\Arsse\Test\User;

use JKingWeb\Arsse\Arsse;
use JKingWeb\Arsse\User\Driver;
use JKingWeb\Arsse\User\Exception;
use PasswordGenerator\Generator as PassGen;

class DriverExternalMock extends DriverSkeleton implements Driver {
    public $db = [];
    protected $functions = [
        "auth"                    => Driver::FUNC_EXTERNAL,
        "userList"                => Driver::FUNC_EXTERNAL,
        "userExists"              => Driver::FUNC_EXTERNAL,
        "userAdd"                 => Driver::FUNC_EXTERNAL,
        "userRemove"              => Driver::FUNC_EXTERNAL,
        "userPasswordSet"         => Driver::FUNC_EXTERNAL,
        "userPropertiesGet"       => Driver::FUNC_EXTERNAL,
        "userPropertiesSet"       => Driver::FUNC_EXTERNAL,
        "userRightsGet"           => Driver::FUNC_EXTERNAL,
        "userRightsSet"           => Driver::FUNC_EXTERNAL,
    ];

    public static function driverName(): string {
        return "Mock External Driver";
    }

    public function driverFunctions(string $function = null) {
        if ($function===null) {
            return $this->functions;
        }
        if (array_key_exists($function, $this->functions)) {
            return $this->functions[$function];
        } else {
            return Driver::FUNC_NOT_IMPLEMENTED;
        }
    }

    public function __construct() {
    }

    public function auth(string $user, string $password): bool {
        if (!$this->userExists($user)) {
            return false;
        }
        if ($password==="" && $this->db[$user]['password']==="") {
            return true;
        }
        if (password_verify($password, $this->db[$user]['password'])) {
            return true;
        }
        return false;
    }

    public function userExists(string $user): bool {
        return parent::userExists($user);
    }

    public function userAdd(string $user, string $password = null): string {
        if ($this->userExists($user)) {
            throw new Exception("alreadyExists", ["action" => __FUNCTION__, "user" => $user]);
        }
        if ($password===null) {
            $password = (new PassGen)->length(Arsse::$conf->userTempPasswordLength)->get();
        }
        return parent::userAdd($user, $password);
    }

    public function userRemove(string $user): bool {
        if (!$this->userExists($user)) {
            throw new Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
        }
        return parent::userRemove($user);
    }

    public function userList(string $domain = null): array {
        if ($domain===null) {
            return parent::userList();
        } else {
            return parent::userList($domain);
        }
    }

    public function userPasswordSet(string $user, string $newPassword = null, string $oldPassword = null): string {
        if (!$this->userExists($user)) {
            throw new Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
        }
        if ($newPassword===null) {
            $newPassword = (new PassGen)->length(Arsse::$conf->userTempPasswordLength)->get();
        }
        return parent::userPasswordSet($user, $newPassword);
    }

    public function userPropertiesGet(string $user): array {
        if (!$this->userExists($user)) {
            throw new Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
        }
        return parent::userPropertiesGet($user);
    }

    public function userPropertiesSet(string $user, array $properties): array {
        if (!$this->userExists($user)) {
            throw new Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
        }
        parent::userPropertiesSet($user, $properties);
        return $this->userPropertiesGet($user);
    }

    public function userRightsGet(string $user): int {
        if (!$this->userExists($user)) {
            throw new Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
        }
        return parent::userRightsGet($user);
    }

    public function userRightsSet(string $user, int $level): bool {
        if (!$this->userExists($user)) {
            throw new Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
        }
        return parent::userRightsSet($user, $level);
    }
}