package api

import (
	"blog/global"
	"blog/internal/service"
	"blog/pkg/app"
	"blog/pkg/convert"
	"blog/pkg/errorcode"
	"blog/pkg/upload"
	"github.com/gin-gonic/gin"
	"os"
	"path"
	"strings"
)

type Upload struct{}

func NewUpload() Upload {
	return Upload{}
}

func ReadFile(c *gin.Context) {
	fileName := strings.TrimLeft(c.Request.RequestURI, "/")
	_, fileName = path.Split(fileName)
	fileName = path.Join(global.AppSetting.UploadSavePath, fileName)
	_, err := os.Stat(fileName)
	if os.IsNotExist(err) {
		if err != nil {
			app.NewResponse(c).ToErrorResponse(errorcode.NotFound.WithDetails(err.Error()))
			return
		}
	}
	c.File(fileName)
}

// UploadFile
// @Summary 上传图片
// @Produce  json
// @Security ApiKeyAuth
// @Param type formData int true "文件类型1图片" required Enums(1,2,3)
// @Param file formData file true "文件"
// @Success 200 {object} service.FileInfo "成功"
// @Failure 400 {object} errorcode.Error "请求错误"
// @Failure 500 {object} errorcode.Error "内部错误"
// @Router /upload/file [post]
func (u Upload) UploadFile(c *gin.Context) {
	response := app.NewResponse(c)
	file, fileHeader, err := c.Request.FormFile("file")
	if err != nil {
		response.ToErrorResponse(errorcode.InvalidParams.WithDetails(err.Error()))
		return
	}

	fileType := convert.StrTo(c.PostForm("type")).MustInt()
	if fileHeader == nil || fileType <= 0 {
		response.ToErrorResponse(errorcode.InvalidParams)
		return
	}

	svc := service.New(c.Request.Context())
	fileInfo, err := svc.UploadFile(upload.FileType(fileType), file, fileHeader)
	if err != nil {
		global.Logger.Errorf("svc.UploadFile err: %v", err)
		response.ToErrorResponse(errorcode.ErrorUploadFileFail.WithDetails(err.Error()))
		return
	}

	response.ToResponse(gin.H{
		"file_access_url": fileInfo.AccessUrl,
	})
}