<?php
namespace api\modules\internal\controllers;

use api\components\ApiUser\AccessControl;
use api\controllers\Controller;
use api\modules\internal\models\BanForm;
use api\modules\internal\models\PardonForm;
use common\models\Account;
use common\models\OauthScope as S;
use Yii;
use yii\helpers\ArrayHelper;
use yii\web\BadRequestHttpException;
use yii\web\NotFoundHttpException;

class AccountsController extends Controller {

    public function behaviors() {
        return ArrayHelper::merge(parent::behaviors(), [
            'authenticator' => [
                'user' => Yii::$app->apiUser,
            ],
            'access' => [
                'class' => AccessControl::class,
                'rules' => [
                    [
                        'actions' => ['ban'],
                        'allow' => true,
                        'roles' => [S::ACCOUNT_BLOCK],
                    ],
                    [
                        'actions' => ['info'],
                        'allow' => true,
                        'roles' => [S::INTERNAL_ACCOUNT_INFO],
                    ],
                ],
            ],
        ]);
    }

    public function verbs() {
        return [
            'ban' => ['POST', 'DELETE'],
            'info' => ['GET'],
        ];
    }

    public function actionBan(int $accountId) {
        $account = $this->findAccount($accountId);
        if (Yii::$app->request->isPost) {
            return $this->banAccount($account);
        } else {
            return $this->pardonAccount($account);
        }
    }

    public function actionInfo(int $id = null, string $username = null, string $uuid = null) {
        if ($id !== null) {
            $account = Account::findOne($id);
        } elseif ($username !== null) {
            $account = Account::findOne(['username' => $username]);
        } elseif ($uuid !== null) {
            $account = Account::findOne(['uuid' => $uuid]);
        } else {
            throw new BadRequestHttpException('One of the required get params must be presented.');
        }

        if ($account === null) {
            throw new NotFoundHttpException('User by provided param not found.');
        }

        return [
            'id' => $account->id,
            'uuid' => $account->uuid,
            'email' => $account->email,
            'username' => $account->username,
        ];
    }

    private function banAccount(Account $account) {
        $model = new BanForm($account);
        $model->load(Yii::$app->request->post());
        if (!$model->ban()) {
            return [
                'success' => false,
                'errors' => $model->getFirstErrors(),
            ];
        }

        return [
            'success' => true,
        ];
    }

    private function pardonAccount(Account $account) {
        $model = new PardonForm($account);
        $model->load(Yii::$app->request->post());
        if (!$model->pardon()) {
            return [
                'success' => false,
                'errors' => $model->getFirstErrors(),
            ];
        }

        return [
            'success' => true,
        ];
    }

    private function findAccount(int $accountId): Account {
        $account = Account::findOne($accountId);
        if ($account === null) {
            throw new NotFoundHttpException();
        }

        return $account;
    }

}