package handlers

import (
	"encoding/json"
	"net/http"
	"os"
	"slideshowApp/utils"
)

var scheduleFile = "./data/schedule.json"

type Schedule map[string]any

func SaveSchedule(w http.ResponseWriter, r *http.Request) {
	var s Schedule
	if err := json.NewDecoder(r.Body).Decode(&s); err != nil {
		utils.SendJSONError(w, "Invalid input", http.StatusBadRequest)
		return
	}

	data, err := json.MarshalIndent(s, "", "  ")
	if err != nil {
		utils.SendJSONError(w, "Encoding failed", http.StatusInternalServerError)
		return
	}

	err = os.WriteFile(scheduleFile, data, 0644)
	if err != nil {
		utils.SendJSONError(w, "write file failed", http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
}

func GetSchedule(w http.ResponseWriter, r *http.Request) {
	data, err := os.ReadFile(scheduleFile)
	if err != nil {
		json.NewEncoder(w).Encode(Schedule{})
		return
	}
	w.Write(data)
}