<?php

namespace app\controller;

use app\Service\UploadService;
use Webman\Http\Request;
use Webman\Http\Response;

/**
 * 文件上传控制器
 */
class UploadController extends BaseController
{
    private UploadService $uploadService;

    public function __construct()
    {
        $this->uploadService = new UploadService();
    }

    /**
     * 通用文件上传接口
     */
    public function upload(Request $request): Response
    {
        try {
            $userId = $this->getUserId($request); // 可选，没有token则为null
            $partition = $request->post('partition', 'other');
            $category = $request->post('category', 'general');

            $result = $this->uploadService->upload($request, $partition, $category, $userId);

            return $this->success($result, '上传成功');
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }

    /**
     * 图片上传接口
     */
    public function uploadImage(Request $request): Response
    {
        try {
            $userId = $this->getUserId($request); // 可选，没有token则为null
            $category = $request->post('category', 'general');

            $result = $this->uploadService->uploadImage($request, $category, $userId);

            return $this->success($result, '上传成功');
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }

    /**
     * 二手车图片上传接口
     */
    public function uploadUsedCarImage(Request $request): Response
    {
        try {
            $userId = $this->getUserId($request); // 可选，没有token则为null

            $result = $this->uploadService->uploadUsedCarImage($request, $userId);

            return $this->success($result, '上传成功');
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }

    /**
     * 批量上传图片（二手车专用）
     */
    public function batchUploadImages(Request $request): Response
    {
        try {
            $userId = $this->getUserId($request); // 可选，没有token则为null
            $files = $request->files();

            if (empty($files)) {
                return $this->error('请选择要上传的文件');
            }

            $results = [];
            $errors = [];

            foreach ($files['files'] ?? [] as $index => $file) {
                try {
                    // 创建临时请求对象处理单个文件
                    $tempRequest = new Request(
                        $request->method(),
                        $request->path(),
                        $request->headers(),
                        ['file' => $file]
                    );

                    $result = $this->uploadService->uploadUsedCarImage($tempRequest, $userId);
                    $results[] = $result;
                } catch (\Exception $e) {
                    $errors[] = [
                        'index' => $index,
                        'error' => $e->getMessage(),
                    ];
                }
            }

            return $this->success([
                'success' => $results,
                'errors' => $errors,
                'total' => count($results),
                'failed' => count($errors),
            ], '批量上传完成');
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }

    /**
     * 删除文件
     */
    public function deleteFile(Request $request): Response
    {
        try {
            $userId = $this->getUserId($request); // 可选，用于权限验证
            $fileId = (int)$request->post('id');

            if ($fileId <= 0) {
                return $this->error('无效的文件ID');
            }

            $this->uploadService->deleteFile($fileId, $userId);

            return $this->success(null, '删除成功');
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }

    /**
     * 获取文件信息
     */
    public function getFileInfo(Request $request): Response
    {
        try {
            $fileId = (int)$request->get('id');

            if ($fileId <= 0) {
                return $this->error('无效的文件ID');
            }

            $info = $this->uploadService->getFileInfo($fileId);

            return $this->success($info);
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }

    /**
     * 获取分区配置
     */
    public function getPartitionConfig(Request $request): Response
    {
        try {
            $configs = UploadService::getPartitionConfigs();

            return $this->success($configs);
        } catch (\Exception $e) {
            return $this->error($e->getMessage());
        }
    }
}