package handler

import (
	"fmt"
	"path"
	"strings"
	"time"

	"github.com/gin-gonic/gin"

	"github.com/sundynix/pets-be/internal/middleware"
	"github.com/sundynix/pets-be/pkg/response"
)

// Upload POST /api/upload  multipart/form-data，字段名 file
func (h *Handler) Upload(c *gin.Context) {
	fileHeader, err := c.FormFile("file")
	if err != nil {
		response.FailParams(c, "缺少上传文件 file")
		return
	}
	src, err := fileHeader.Open()
	if err != nil {
		response.FailErr(c, err)
		return
	}
	defer src.Close()

	ext := strings.ToLower(path.Ext(fileHeader.Filename))
	objectName := fmt.Sprintf("uploads/%d/%d%s", middleware.UserID(c), time.Now().UnixNano(), ext)
	contentType := fileHeader.Header.Get("Content-Type")
	if contentType == "" {
		contentType = "application/octet-stream"
	}

	url, err := h.svc.Upload(objectName, src, fileHeader.Size, contentType)
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, gin.H{"url": url})
}