import { Controller, Post, Inject, Files } from "@midwayjs/core";
import { Context } from "@midwayjs/koa";
import { UploadFileInfo } from "@midwayjs/upload";
import { UploadService } from "../service/upload.service";

@Controller("/api/upload")
export class UploadController {
	@Inject()
	ctx!: Context;

	@Inject()
	uploadService!: UploadService;

	// 上传现场照片，返回对象 key（用于持久化）与预签名 URL（用于即时预览）
	@Post("/image")
	async uploadImage(@Files() files: UploadFileInfo<string>[]) {
		const file = files && files[0];
		if (!file) {
			return { code: 400, message: "请选择要上传的图片", data: null };
		}
		try {
			const data = await this.uploadService.uploadFile(file);
			return { code: 200, message: "上传成功", data };
		} catch (err: any) {
			return { code: 500, message: `图片上传失败：${err?.message || "对象存储不可用"}`, data: null };
		}
	}
}