package main

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"os"

	"github.com/gorilla/mux"
)

// GetUsersHandler handles GET requests to /admin/user
func GetUsersHandler(w http.ResponseWriter, r *http.Request) {
	var users []User
	db.Find(&users)
	json.NewEncoder(w).Encode(users)
}

// CreateUserHandler handles POST requests to /admin/user
func CreateUserHandler(w http.ResponseWriter, r *http.Request) {
	var user User
	err := json.NewDecoder(r.Body).Decode(&user)
	if err != nil {
		http.Error(w, "Invalid request body", http.StatusBadRequest)
		return
	}
	db.Create(&user)
	json.NewEncoder(w).Encode(user)
}

// GetUserHandler handles GET requests to /admin/user/{id}
func GetUserHandler(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	id := vars["id"]
	var user User
	db.First(&user, id)
	if user.ID == 0 {
		http.Error(w, "User not found", http.StatusNotFound)
		return
	}
	json.NewEncoder(w).Encode(user)
}

// DeleteUserHandler handles DELETE requests to /admin/user/{id}
func DeleteUserHandler(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	id := vars["id"]
	var user User
	db.First(&user, id)
	if user.ID == 0 {
		http.Error(w, "User not found", http.StatusNotFound)
		return
	}
	db.Delete(&user)
	w.WriteHeader(http.StatusNoContent)
}

// BackupDatabaseHandler handles GET requests to /admin/db
func BackupDatabaseHandler(w http.ResponseWriter, r *http.Request) {
	// ...
	fmt.Println("BackupDatabaseHandler called")
	// Open the database file using the path from the config
	file, err := os.Open(config.DatabasePath)
	if err != nil {
		http.Error(w, "Failed to open database file", http.StatusInternalServerError)
		return
	}
	defer file.Close()

	// Copy the file to the response writer
	_, err = io.Copy(w, file)
	if err != nil {
		http.Error(w, "Failed to send database file", http.StatusInternalServerError)
		return
	}
}

// RestoreDatabaseHandler handles POST requests to /admin/db
func RestoreDatabaseHandler(w http.ResponseWriter, r *http.Request) {
	// implement database restore logic here
	fmt.Println("Restoring database...")
	// ...
	w.WriteHeader(http.StatusOK)
}