<?php
namespace app\chat\controller;

use support\Request;
use support\Response;
use support\File;

class UploadController
{
    /**
     * 图片上传（相册/拍照）
     */
    public function image(Request $request): Response
    {
        $file = $request->file('image');
        if (!$file || !$file->isValid()) {
            return json(['code' => 400, 'msg' => '图片上传失败']);
        }

        // 校验配置
        $uploadConfig = config('process')['chat-gateway']['options']['upload'] ?? [];
        $maxSize = $uploadConfig['image_size'] ?? 5 * 1024 * 1024;
        $allowTypes = $uploadConfig['image_type'] ?? ['image/jpeg', 'image/png', 'image/gif'];

        // 校验类型和大小
        if (!in_array($file->getMimeType(), $allowTypes)) {
            return json(['code' => 400, 'msg' => '仅支持JPG、PNG、GIF格式']);
        }
        if ($file->getSize() > $maxSize) {
            return json(['code' => 400, 'msg' => "图片大小不能超过" . ($maxSize / 1024 / 1024) . "MB"]);
        }

        // 保存路径
        $saveDir = public_path() . '/uploads/images/' . date('Ymd');
        if (!is_dir($saveDir)) {
            mkdir($saveDir, 0755, true);
        }

        // 生成文件名
        $ext = $file->getExtension();
        $filename = uniqid() . '.' . $ext;
        $savePath = $saveDir . '/' . $filename;

        // 移动文件
        $file->moveTo($savePath);

        // 访问URL
        $imageUrl = '/uploads/images/' . date('Ymd') . '/' . $filename;

        return json([
            'code' => 200,
            'msg' => '上传成功',
            'data' => ['image_url' => $imageUrl]
        ]);
    }
}