# tasks = {
#     '1': {
#           'title': 'call mom',
#           'status': 'pending'
#        },
#     '2': {'title': 'buy food', 'status': 'done'},
#     '3': {'title': 'read book', 'status': 'deleted'},  
#     '4': {'title': 'smt', 'status': 'pending'},  
# }

import json

with open('data.json', 'r') as f:
   tasks = json.load(f)


def echo_menu():
    print('\n'*3)
    print('='*50)
    print('1- Add task')
    print('2- Delete task')
    print('3- Edit task')
    print('4- Done task')
    print('5- List Tasks')
    print('6- Exit')

def add_task():
    id = str(len(tasks) + 1)
    title = input('what title: ')
    tasks.update({
        id: {
          'title': title,
          'status': 'pending'
       },
    })
    print('i add the task successfully')
    
def edit_task(type):
    id  = input('which id: ')
    if id not in tasks.keys():
        print('id is not valid')
    else:
        tasks[id]['status'] = type
        print(f'task {type} successfully')

def edit_title():
    id  = input('which id: ')
    if id not in tasks.keys():
        print('id is not valid')
    else:
        new_title = input('insert new title: ')
        tasks[id]['title'] = new_title
        print('title has changed successfully')

def save_data(data):
    with open('data.json', 'w') as f:
        json.dump(data, f)
        print('data save successfully')

def show_task_list():
    for id in tasks:
        print(id, tasks[id]['title'])

def main():
    while True:
        save_data(tasks)
        echo_menu()
        command = input('select from menu: ')

        match command:
            case '1':
                add_task()
            case '2':
                edit_task('deleted')
            case '3':
                edit_title()
            case '4':
                edit_task('done')
            case '5':
                show_task_list()
            case '6':
                break
            case _:
                print('command is not valid')
                
        




main()