<?php

if (!defined('B_PROLOG_INCLUDED') || B_PROLOG_INCLUDED !== true) {
    exit;
}

use Bitrix\Main\Localization\Loc;

class CAsproSocialVideo extends CBitrixComponent
{
    public function onPrepareComponentParams($arParams)
    {
        $arParams['SHOW_TITLE'] = $arParams['SHOW_TITLE'] === 'Y';

        if (!isset($arParams['CACHE_TIME'])) {
            $arParams['CACHE_TIME'] = 86400;
        }

        if (!isset($arParams['SORT']) || $arParams['SORT'] === 'FROM_THEME') {
            $arParams['SORT'] = TSolution::getFrontParametrValue('SORT_'.strtoupper($arParams['VIDEO_SOURCE']));
        }

        if ($arParams['TITLE'] === 'FROM_THEME') {
            $arParams['TITLE'] = TSolution::getFrontParametrValue('TITLE_VIDEO_'.strtoupper($arParams['VIDEO_SOURCE']));
        }

        if ($arParams['RIGHT_TITLE'] === 'FROM_THEME') {
            $arParams['RIGHT_TITLE'] = TSolution::getFrontParametrValue('RIGHT_TITLE_'.strtoupper($arParams['VIDEO_SOURCE']));
        }

        if (!$arParams['CHANNEL_ID'] || $arParams['CHANNEL_ID'] === 'FROM_THEME') {
            $paramName = match ($arParams['VIDEO_SOURCE']) {
                'vk' => 'GROUP_ID',
                default => 'CHANNEL_ID',
            };
            $arParams['CHANNEL_ID'] = TSolution::getFrontParametrValue($paramName.'_'.strtoupper($arParams['VIDEO_SOURCE']));
        }

        if (in_array($arParams['VIDEO_SOURCE'], ['youtube', 'vk'])) {
            if ($arParams['API_TOKEN'] === 'FROM_THEME') {
                $arParams['API_TOKEN'] = TSolution::getFrontParametrValue('API_TOKEN_'.strtoupper($arParams['VIDEO_SOURCE']));
            }
        }

        if ($arParams['VIDEO_SOURCE'] === 'youtube') {
            if (!$arParams['PLAYLIST_ID'] || $arParams['PLAYLIST_ID'] === 'FROM_THEME') {
                $arParams['PLAYLIST_ID'] = TSolution::getFrontParametrValue('PLAYLIST_ID_'.strtoupper($arParams['VIDEO_SOURCE']));
            }
        }

        return $arParams;
    }

    public function executeComponent()
    {
        if (
            $this->startResultCache(
                $this->arParams['CACHE_TIME']
            )
        ) {
            $this->arResult = $this->arResultSet();

            if ($this->arResult['error']) {
                $this->showError($this->arResult['error']['error_msg']);
            } else {
                $this->includeComponentTemplate();
            }
        }

        return $this->arResult;
    }

    protected function arResultSet(): array
    {
        $obVideo = TSolution\Social\Video\Factory::create($this->arParams['VIDEO_SOURCE'], $this->prepareVideoOptions());
        if (is_object($obVideo) && method_exists($obVideo, 'getVideo')) {
            $result = $obVideo->getVideo();
        } else {
            $result = [
                'error' => [
                    'error_msg' => Loc::getMessage('NO_ITEMS_FOUND'),
                ],
            ];
        }

        if ($result['error']) {
            $this->AbortResultCache();

            return $result;
        }

        $this->setRightLink($obVideo);

        $arResult = [
            'ITEMS' => $result,
        ];

        return $arResult;
    }

    protected function prepareVideoOptions(): array
    {
        $options = [
            'channel_id' => $this->arParams['CHANNEL_ID'],
            'count' => ($this->arParams['COUNT_ELEMENTS'] ?: $this->arParams['ELEMENTS_ROW']),
            'api_token' => '',
        ];
        if ($this->arParams['API_TOKEN']) {
            $options['api_token'] = $this->arParams['API_TOKEN'];
        }
        if ($this->arParams['PLAYLIST_ID']) {
            $options['playlist_id'] = $this->arParams['PLAYLIST_ID'];
        }
        if ($this->arParams['SORT']) {
            $options['sort'] = $this->arParams['SORT'];
        }

        return $options;
    }

    protected function setRightLink($obVideo)
    {
        if (
            !$this->arParams['RIGHT_LINK']
            || $this->arParams['RIGHT_LINK'] !== 'FROM_THEME'
        ) {
            return;
        }

        $this->arParams['RIGHT_LINK'] = $obVideo->getRightLinkBase();
        $this->arParams['RIGHT_LINK_EXTERNAL'] = true;
    }

    protected function showError(string $error)
    {
        if ($GLOBALS['USER']->IsAdmin()) {
            ?>
            <div class="content_wrapper_block">
                <div class="maxwidth-theme" style="padding-top: 20px;">
                    <div class="alert alert-danger">
                        <strong>Error [<?=$this->getName();?>]: </strong><?=$error;?>
                    </div>
                </div>
            </div>
            <?
        }
    }
}