<?php

namespace LDC\LDCCRM;

use LDC\LDCCRM\Enums\ApiStatus;
use LDC\LDCCRM\Models\Customer;
use LDC\LDCCRM\Models\SingleOptin;
use LDC\LDCCRM\Transport\ApiInterface;

/**
 * This is the main class to interact with the CRM
 *
 * @package LDCCrmClient
 */
class CrmApiV2
{
    /**
     * The Api object that will handle requests and responses
     *
     * @var \LDC\LDCCRM\Transport\ApiInterface
     */
    private static $apiInterface;

    /**
     * CrmApiV2
     *
     * @param string|null $endpoint
     * @param string|null $bearerToken
     * @param string|null $bearerPwd
     */
    public function __construct(string $endpoint = null, string $bearerToken = null, string $bearerPwd = null)
    {
        self::$apiInterface = self::$apiInterface ?: new ApiInterface(
            $endpoint,
            $bearerToken,
            $bearerPwd
        );
        return $this;
    }

    /**
     * Use this the ping the crm and know its current status
     *
     * @return boolean
     * @throws \LDC\LDCCRM\Exceptions\CrmException If an error occurs
     * on server side or on getting response.
     */
    public function ping(): bool
    {
        $request  = Utils::getResquest('apiV2.ping');
        $response = self::$apiInterface->call($request);
        return $response->status->equals(ApiStatus::OK());
    }

    /**
     *
     * Get a customer from its hashcode or email
     * If it does not exists a new instance
     * will be returned. You would have
     * to call its save method later on.
     *
     * @param string $identification The customer hashcode or email.
     * @return \LDC\LDCCRM\Models\Customer A client Customer model.
     *
     * @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.
     * @phpcs:ignore Squiz.Commenting.FunctionComment.EmptyThrows
     */
    public function getCustomerOrNew(string $identification): Customer
    {
        return $this->getCustomer($identification) ?? new Customer();
    }

    /**
     * Get a customer from its hashcode or email
     * If it does not exists a new instance
     * will be returned. You would have
     * to call its save method later on.
     *
     * @param string $identification The customer hashcode or email.
     * @return \LDC\LDCCRM\Models\Customer|null Return null if the customer was not found
     * @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.
     * @phpcs:ignore Squiz.Commenting.FunctionCommentThrowTag.WrongNumber
     */
    public function getCustomer(string $identification): ?Customer
    {
        return Customer::find($identification);
    }

    /**
     * Set the single optin status for an email
     *
     * @param string  $email
     * @param boolean $opt_in
     * @return boolean true if succeeded
     * @throws \LDC\LDCCRM\Exceptions\ValidationException If a field email 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 : - singleOptinCustomerExists, If a customer exists with this email.
     * @phpcs:ignore Squiz.Commenting.FunctionCommentThrowTag.WrongNumber
     */
    public static function setStatus(string $email, bool $opt_in): bool
    {
        return SingleOptin::setStatus($email, $opt_in);
    }

    /**
     * Set the single optin status for an email
     *
     * @param string $hashcode
     * @return boolean true if succeeded
     * @throws \LDC\LDCCRM\Exceptions\ValidationException If a field 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 a single optin does not exists.
     * @phpcs:ignore Squiz.Commenting.FunctionCommentThrowTag.WrongNumber
     */
    public static function unsetStatusWithHashcode(string $hashcode): bool
    {
        return SingleOptin::unsetStatusWithHashcode($hashcode);
    }

    /**
     * Test a customer credentials to see if it can login
     *
     * @param string $email
     * @param string $password
     * @return boolean
     * @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 : - authFailed, If credentials are not valid.
     *                 - customerNotActivated, If the account is not activated.
     * @phpcs:ignore Squiz.Commenting.FunctionCommentThrowTag.WrongNumber
     */
    public static function login(string $email, string $password): bool
    {
        return Customer::login($email, $password);
    }
}