<?php

namespace App\Service\business;

use App\BaseApp\BaseService;
use App\Models\business\CatalogueModel;
use App\Models\business\ImageModel;
use App\Service\common\MediaUrlService;
use Exception;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

/**
 * 商品相册（渲染图 / 实物图）
 */
class ImageService extends BaseService
{
    private MediaUrlService $media;

    public function __construct()
    {
        parent::__construct();
        $this->model = ImageModel::class;
        $this->selectField = ['id', 'catalogue_id', 'url', 'type', 'status', 'created_at', 'updated_at'];
        $this->queryField = ['catalogue_id' => '=', 'type' => '=', 'status' => '='];
        $this->orderBy = ['name' => 'id', 'sort' => 'asc'];
        $this->media = MediaUrlService::getInstance();
    }

    /**
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function list(): array
    {
        $result = $this->getPageList();
        $this->media->publicEach($result['items'], ['url']);
        return $result;
    }

    public function option(): mixed
    {
        $this->optionField = ['id', 'url as name'];
        return $this->getOption();
    }

    /**
     * @throws Exception
     */
    public function detail($id): mixed
    {
        $info = $this->getDetail($id);
        $info->url = $this->media->toPublic($info->url);
        return $info;
    }

    /**
     * 渲染图列表（老接口 image/get-render-graph，入参是 catalogue_id）
     */
    public function renderGraph(int $catalogueId): array
    {
        return $this->listByCatalogue($catalogueId, ImageModel::TYPE_RENDER);
    }

    /**
     * 实物图列表（老接口 image/get-physical-drawing，入参是 catalogue_id）
     */
    public function physicalDrawing(int $catalogueId): array
    {
        return $this->listByCatalogue($catalogueId, ImageModel::TYPE_PHYSICAL);
    }

    /**
     * 新增：前端图片组件一次能选多张，url 传数组时逐张入库
     * @throws Exception
     */
    public function create($params): mixed
    {
        $catalogueId = (int) ($params['catalogue_id'] ?? 0);
        if (!CatalogueModel::where('id', $catalogueId)->where('deleted_at', 0)->exists()) {
            $this->utils->errorThrow('商品不存在');
        }
        $type = (int) ($params['type'] ?? ImageModel::TYPE_RENDER);
        $urls = $params['url'] ?? '';
        $urls = is_array($urls) ? $urls : [$urls];

        $now = time();
        $rows = [];
        foreach ($urls as $url) {
            $url = $this->media->toStorage(is_string($url) ? $url : '');
            if ($url === '') {
                continue;
            }
            $rows[] = [
                'catalogue_id' => $catalogueId,
                'url' => $url,
                'type' => $type,
                'created_at' => $now,
            ];
        }
        if (empty($rows)) {
            $this->utils->errorThrow('请上传图片');
        }
        if (count($rows) === 1) {
            return $this->insert($rows[0]);
        }
        return ImageModel::insert($rows);
    }

    /**
     * @throws Exception
     */
    public function update($id, $params): mixed
    {
        if (array_key_exists('url', $params)) {
            $params['url'] = $this->media->firstOf($params['url']);
        }
        return $this->save($id, $params);
    }

    /**
     * @throws Exception
     */
    public function delete($id): mixed
    {
        return $this->del(is_array($id) ? $id : [$id]);
    }

    /**
     * @throws Exception
     */
    public function status($id, $status): mixed
    {
        return $this->save($id, ['status' => (int) $status]);
    }

    private function listByCatalogue(int $catalogueId, int $type): array
    {
        if ($catalogueId <= 0) {
            return [];
        }
        $rows = ImageModel::where('catalogue_id', $catalogueId)
            ->where('type', $type)
            ->where('deleted_at', 0)
            ->orderBy('id')
            ->get(['id', 'catalogue_id', 'url', 'type', 'status'])
            ->toArray();
        $this->media->publicEach($rows, ['url']);
        return $rows;
    }
}