package api

import (
	"bufio"
	"encoding/json"
	"net/http"
	"os"
	"path/filepath"
)

func FileDate(w http.ResponseWriter, r *http.Request) {
	var MOUNT_POINT = os.Getenv("MOUNT_POINT")
	filename := r.URL.Query().Get("file")
	if filename == "" {
		http.Error(w, `{"error":"Missing file parameter"}`, http.StatusBadRequest)
		return
	}

	versionPath := filepath.Join(MOUNT_POINT, filename+".version")

	dateStr := ""
	f, err := os.Open(versionPath)
	if err == nil {
		defer f.Close()
		scanner := bufio.NewScanner(f)
		if scanner.Scan() {
			dateStr = scanner.Text()
		}
	}

	response := map[string]interface{}{
		"status":   "success",
		"date":     dateStr,
		"filename": filename,
	}

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusOK)
	json.NewEncoder(w).Encode(response)
}