<?php

/**
 * LDCCRM For Wordpress usage
 *
 * @category API
 * @package  None
 * @author   Jérémy Munsch <jeremy.munsch@ldc.fr>
 * @license  MIT https://opensource.org/licenses/MIT
 * @link     /
 */

namespace LDC\LDCCRM\WordPress;

use JsonSerializable;
use LDC\LDCCRM\Exceptions\WpCrmInvalidJsonUserInfo;
use LDC\LDCCRM\Models\Customer;

/**
 * Class de gestion des users en session avec Wordpress
 *
 * @property string|null $uuidToken — A local transaction token for this user
 * @property string|null $hashcode — The crm hashcode this is a readonly field
 * @property string|null $pemail — Must be a rfc valid email on a valid domain name
 * @property string $password
 * Required only on create,
 * must have upper and lowers chars,
 * at least 1 number,
 * at leat 1 upper char,
 * at least 1 lower char and
 * at leat 1 special char
 * @property string $firstname — The account first name
 * @property string $lastname — The account last name
 * @property string $birth_date — The account birth date 'yyyy-mm-dd'
 * @property string $phone — The account phone
 * @property string $address
 * The account address (street number, name, build, flat number)
 * @property string $address2 — The account phone (address complement)
 * @property string $city — The account city name
 * @property string $postcode — The account city postcode
 * @property \LDC\LDCCRM\Enums\Country $country — The account country residence
 * @property bool $opt_in — true if the account is opt in
 * @property bool $status — true if the account is activated
 * @property string $last_connection the last time user was connected 'yyyy-mm-dd HH:ii:ss'
 *
 * @category API
 * @package LDCCrmClient
 * @subpackage Wordpress
 * @author   Jérémy Munsch <jeremy.munsch@ldc.fr>
 * @license  MIT https://opensource.org/licenses/MIT
 * @link     /
 */
class WPCrmUser implements JsonSerializable
{
    /**
     * The CRM hashcode (UUID)
     *
     * @var string|null
     */
    protected ?string $phashcode = null;

    /**
     * The CRM customer email
     *
     * @var string|null
     */
    protected ?string $pemail = null;

    /**
     * The CRM customer info (the api response)
     *
     * @var \LDC\LDCCRM\Models\Customer|null
     */
    protected ?Customer $info = null;

    /**
     * The CRM customer temp uuidToken to validate transactions
     *
     * @var string|null UUID
     */
    protected ?string $uuidToken = null;

    /**
     * WPCrmUser construct
     *
     * @param string $hashcode The customer hashcode (UUID).
     * @param string $email    The customer email.
     */
    public function __construct(string $hashcode = null, string $email = null)
    {
        $this->phashcode = $hashcode;
        $this->pemail    = $email;
    }

    /**
     * Generic accessor
     *
     * @param string $prop The prop to get.
     *
     * @return boolean|string|\LDC\LDCCRM\Enums\Country|null
     */
    public function __get(string $prop)
    {
        if ($prop === 'uuidToken') {
            return $this->uuidToken;
        }
        if (is_null($this->info)) {
            if (!is_null($this->pemail)) {
                WPCrm::getUserFromApi($this->pemail);
            } else {
                $this->info = new Customer();
            }
        }
        return $this->info->{$prop};
    }

    /**
     * Generic mutator
     *
     * @param string $prop  The property to assign.
     * @param mixed  $value The value to set.
     *
     * @return void
     */
    public function __set(string $prop, mixed $value): void
    {
        if ($prop === 'uuidToken') {
            $this->uuidToken = $value;
            return;
        }
        if (is_null($this->info)) {
            if (!is_null($this->pemail)) {
                WPCrm::getUserFromApi($this->pemail);
            } else {
                $this->info = new Customer();
            }
        }
        $this->info->{$prop} = $value;
        if ($prop === 'email') {
            $this->pemail = $value;
        }
    }

    /**
     * Set the customer info
     * with api response
     *
     * @param \LDC\LDCCRM\Models\Customer $customer The Api object reponse (user).
     *
     * @return void
     */
    public function setInfo(Customer $customer)
    {
        $this->info      = $customer;
        $this->pemail    = $customer->email;
        $this->phashcode = $customer->hashcode;
    }

    /**
     * Generate a user from session data
     *
     * @param string $string The json data stored in session.
     *
     * @return \LDC\LDCCRM\WordPress\WPCrmUser
     * @throws \LDC\LDCCRM\Exceptions\WpCrmInvalidJsonUserInfo If the json string does no
     *  contain the needed information.
     */
    public static function parseFromJson(string $string): WPCrmUser
    {
        $a = json_decode($string, true);
        if (!isset($a['hashcode']) or !isset($a['email'])) {
            throw new WpCrmInvalidJsonUserInfo(\sprintf(
                '%s::%s is missing some information to parse from, uuid was %s',
                __CLASS__,
                __METHOD__,
                $a['hashcode']
            ));
        }
        return new self(
            $a['hashcode'],
            $a['email']
        );
    }

    /**
     * Serialize this object to an array
     *
     * @return array
     */
    public function jsonSerialize()
    {
        return [
            'hashcode' => $this->phashcode,
            'email'    => $this->pemail
        ];
    }

    /**
     * Save current customer to
     * the local database and on crm
     *
     * @return boolean true if the operation succeeded false otherwise
     * @throws \LDC\LDCCRM\Exceptions\CrmException If a critical error occured.
     * @throws \LDC\LDCCRM\Exceptions\ApiErrorException If any error or \LDC\LDCCRM\Enums\ApiError occurs.
     * Possibles are : - validationFailed, If provided data is wrong(CRM side).
     *                 - modelNotFound, If this customer hashcode could not be found.
     */
    public function save(): bool
    {
        return WPCrm::saveUser();
    }

    /**
     * Delete current customer to
     * the local database and on crm
     *
     * @return boolean true if the operation succeeded false otherwise
     * @throws \LDC\LDCCRM\Exceptions\CrmException If a critical error occured.
     * @throws \LDC\LDCCRM\Exceptions\ApiErrorException If any error or \LDC\LDCCRM\Enums\ApiError occurs.
     * Possibles are : - modelNotFound, If this customer hashcode could not be found.
     */
    public function delete(): bool
    {
        return WPCrm::deleteUser();
    }

    /**
     * Toggle the current user optin value
     * on the current user and the crm
     *
     * @return boolean true if the operation succeeded
     * @throws \LDC\LDCCRM\Exceptions\CrmException If a critical error occured.
     * @throws \LDC\LDCCRM\Exceptions\ApiErrorException If any error or \LDC\LDCCRM\Enums\ApiError occurs.
     * Possibles are : - modelNotFound, If this customer hashcode could not be found.
     */
    public function toggleOptin(): bool
    {
        return WPCrm::toggleUserOptin();
    }

    /**
     * Activate the account in the crm
     *
     * @return boolean true if succeeded
     * @throws \LDC\LDCCRM\Exceptions\ValidationException If a customer's hashcode could not be validated.
     * @throws \LDC\LDCCRM\Exceptions\CrmException If an error occurs on server side or on getting response.
     * @throws \LDC\LDCCRM\Exceptions\ApiErrorException If any error or \LDC\LDCCRM\Enums\ApiError occurs.
     * Possibles are : - modelNotFound, If this customer hashcode could not be found.
     *                 - customerAlreadyActive, It the customer is already activated.
     */
    public function activate(): bool
    {
        return WPCrm::activateUser();
    }
}