package cn.lili.controller.lmk;

import cn.lili.base.Result;
import cn.lili.modules.lmk.domain.form.FileKey;
import cn.lili.modules.lmk.service.LmkFileService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.RequiredArgsConstructor;
import org.apache.ibatis.annotations.Delete;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import javax.validation.constraints.NotEmpty;
import javax.validation.constraints.NotNull;
import java.util.List;

/**
 * 文件信息 前端控制器
 *
 * @author xp
 * @since 2025-05-19
 */
@Validated
@RequiredArgsConstructor
@Api(value = "文件管理", tags = "文件管理")
@RestController("lmkFileController")
@RequestMapping("/common/lmk/file")
public class LmkFileController {

    private final LmkFileService lmkFileService;

    /**
     * 单文件上传(返回有过期时间的链接)
     *
     * @param file
     * @return
     */
    @PostMapping("/upload")
    @ApiOperation(value = "单文件上传(返回有过期时间的链接)")
    public Result upload(@RequestPart("file") @NotNull MultipartFile file) {
        return lmkFileService.uploadObject(file);
    }


    /**
     * 多文件上传
     *
     * @param files
     * @return
     */
    @PostMapping("/multi/upload")
    @ApiOperation(value = "多文件上传(返回有过期时间的链接)")
    public Result uploads(@RequestPart("files") @NotEmpty List<MultipartFile> files) {
        return lmkFileService.uploadObjects(files);
    }

    /**
     * 删除某个文件
     *
     * @param fileKey oss文件名
     * @return
     */
    @Delete("/delete}")
    @ApiOperation(value = "删除某个文件")
    public Result deleteObject(@RequestBody FileKey fileKey) {
        return lmkFileService.deleteObject(fileKey.getFileKey());
    }

    /**
     * 批量删除文件
     *
     * @param fileKeys
     * @return
     */
    @Delete("/delete/files")
    @ApiOperation(value = "批量删除文件")
    public Result deleteObjects(@RequestBody @NotEmpty List<String> fileKeys) {
        return lmkFileService.deleteObjects(fileKeys);
    }

    /**
     * 下载文件
     *
     * @param fileKey
     * @return
     */
    @PostMapping("/download")
    @ApiOperation(value = "下载文件")
    public void downloadFile(@RequestBody FileKey fileKey, HttpServletResponse response) {
        lmkFileService.downloadObject(fileKey.getFileKey(), response);
    }

    /**
     * 预览文件
     *
     * @param fileKey
     * @return
     */
    @PostMapping("/preview")
    @ApiOperation(value = "获取文件预览url(链接存在时效)")
    public Result getPreviewUrl(@RequestBody FileKey fileKey) {
        return Result.ok().data(lmkFileService.getPreviewUrl(fileKey.getFileKey()));
    }


    @GetMapping("/sts")
    @ApiOperation(value = "获取STS访问令牌", notes = "前端做直传")
    public Result getSTSToken() {
        return Result.ok().data(lmkFileService.getSTSToken());
    }
}