<?php

namespace App\Lib;

use App\Objects\Gitlab\Schedule;
use GrahamCampbell\GitLab\GitLabManager;
use Illuminate\Support\Facades\Log;

class Gitlab
{
    /**
     * Class instance property
     *
     * @var mixed
     */
    private static $instance;

    /**
     * The gitlab client
     *
     * @var \Gitlab\Client
     */
    private static \Gitlab\Client $client;

    /**
     * __construct method
     *
     * @return void
     */
    public function __construct()
    {
        self::$client = app(GitLabManager::class);
    }

    /**
     * getInstance method
     *
     * @return \App\Lib\Gitlab
     */
    public static function getInstance(): \App\Lib\Gitlab
    {
        if (is_null(self::$instance)) {
            self::$instance = new Gitlab();
        }
        return self::$instance;
    }

    /**
     * Save compiled vars on Gitlab project
     *
     * @param integer                                                                   $projectId
     * @param array<string,\App\Lib\CdEnvVariable|array<string,\App\Lib\CdEnvVariable>> $newVars
     * @return boolean
     */
    public static function saveProjectCdVarsToGitlab(int $projectId, array $newVars): bool
    {
        self::getInstance();
        try {
            $updateProjectVar = function (int $projectId, CdEnvVariable $var) {
                Log::debug(
                    sprintf(
                        "Add variable %s with value %s",
                        $var->key,
                        $var->value
                    )
                );
                self::$client->projects()->addVariable(
                    $projectId,
                    $var->getFormatedGitlabKey(),
                    $var->value,
                    $var->protected,
                    $var->environment_scope->value,
                    [
                        'masked' => $var->masked,
                        'raw' => $var->raw
                    ]
                );
            };
            foreach ($newVars as $varOrVarList) {
                if ($varOrVarList instanceof CdEnvVariable) {
                    $updateProjectVar($projectId, $varOrVarList);
                    continue;
                }
                foreach ($varOrVarList as $var) {
                    $updateProjectVar($projectId, $var);
                }
            }
        } catch (\Exception $e) {
            Log::critical($e->getMessage());
            return false;
        } //end try
        return true;
    }

    /**
     * setPipelineSchedules method
     *
     * @param integer                      $projectId
     * @param \App\Objects\Gitlab\Schedule $schedule
     * @return boolean
     */
    public static function setPipelineSchedules(int $projectId, Schedule $schedule): bool
    {
        self::getInstance();
        try {
            self::$client->schedules()->create($projectId, $schedule->toArray());
        } catch (\Exception $e) {
            Log::critical($e->getMessage());
            return false;
        } //end try
        return true;
    }
}