package file

import (
	"net/http"
	"strconv"
	"time"

	"github.com/gin-gonic/gin"
)

// UploadMulti accepts up to 10 files, zips them server-side, and returns a single download/view key.
func (h *Handler) UploadMulti(c *gin.Context) {
	if err := c.Request.ParseMultipartForm(0); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	form, err := c.MultipartForm()
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid multipart form"})
		return
	}

	files := form.File["files"]
	if len(files) == 0 {
		c.JSON(http.StatusBadRequest, gin.H{"error": "missing files"})
		return
	}
	if len(files) > 10 {
		c.JSON(http.StatusBadRequest, gin.H{"error": "too many files (max 10)"})
		return
	}

	once := c.PostForm("once") == "true"

	durationStr := c.PostForm("duration")
	hours, err := strconv.Atoi(durationStr)
	if err != nil || hours <= 0 {
		hours = 24
	}
	duration := time.Duration(hours) * time.Hour

	record, err := h.service.UploadBundle(files, once, duration)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"id":          record.ID,
		"deletion_id": record.DeletionID,
		"filename":    record.Filename,
		"size":        record.Size,
		"expires_at":  record.ExpiresAt,
		"view_key":    record.ViewID,
	})
}