package controller

import (
	"kng_feed_api/helper"
	"net/http"
	"os"
	"path/filepath"

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

func SendXmlFeedToClient(context *gin.Context) {
	sendFile(context, "feed.xml")
}

func SendCsvDeltaToClient(context *gin.Context) {
	sendFile(context, "delta.csv")
}

func sendFile(context *gin.Context, fileMark string) {
	var fileName = filepath.Join(helper.RootDir(), fileMark)
	_, err := os.Stat(fileName)
	if err != nil {
		if os.IsNotExist(err) {
			context.JSON(http.StatusInternalServerError,
				gin.H{
					"description": "The file does not exist yet. Contact the administrator.",
					"err":         "ERR-001",
				},
			)
			return
		} else {
			context.JSON(http.StatusInternalServerError,
				gin.H{
					"description": err.Error(),
					"err":         "unknown error",
				},
			)
			return
		}
	}
	context.FileAttachment(fileName, fileMark)
	context.Status(http.StatusOK)
}