from tkinter import *
from itertools import groupby


try:
    class Person:
        instances = []
        data_from_entries = ''
        search = ''
        save = ''

        def __init__(self, name, surname, sex, age, number, location):
            self.name = name
            self.surname = surname
            self.sex = sex
            self.age = age
            self.number = number
            self.location = location
            self.instances.append(self)

        @staticmethod
        def create_file():
            file = open('objects.txt', 'w')
            file.close()

        @staticmethod
        def create_removed():
            file = open('removed.txt','w')
            file.close()

        @staticmethod
        def output(a, b):
            inp = Person.search
            a.config(text=Person.search)
            test = False
            pass_name = set()
            persons = ''
            for i in Person.instances:
                if i.surname.strip() == inp.strip():
                    test = True
                    if i.name not in pass_name:
                        persons += f'имя:         {i.name}\nпол:         {i.sex}\nвозраст:  {i.age} \nномер:    {i.number} \nадрес:      {i.location}\n_____________________________________________________\n'
                pass_name.add(i.name)
            if test:
                b.config(text=persons)
            else:
                b.config(text='Фамилия не найдена')

        @staticmethod
        def append_obj_to_file():
            with open('objects.txt', 'a+', encoding='utf-8') as file:
                data = Person.data_from_entries
                # print(data)
                s = file.read()
                if data.count('не указано') < 6:
                    file.write(data + '|')
                    file.seek(0)

        @staticmethod
        def test_file_for_valid_format(n):
            def test_string_has_right_format(x):
                return not bool(len(x.split('|')[:-1]) % 6) and '|' in x

            with open(n, encoding='utf-8') as file:
                s = file.read()
                if s:
                    if s[-1] != '|':
                        s += '|'
                    if test_string_has_right_format(s):
                        return s
                    if s[-1] != '|':
                        s += '|'
                    new_n = []
                    for i in range(len(s) - 1):
                        if s[i] != '|' or (s[i] == '|' and s[i - 1] != '|'):
                            new_n += s[i]
                    new_s = ''.join(new_n)
                    if new_s[-1] != '|':
                        new_s += s[-1]
                    if new_s[-1] != '|':
                        new_s += '|'
                    s = new_s
                    n = s.split('|')
                    r = len(n[:-1])
                    if not r % 6 == 0:
                        i = r
                        while i % 6:
                            i += 1
                        res = i - r
                        for i in range(res):
                            s += 'не указано|'
                else:
                    Person.save = ''
                    # print('file is empty')
                return s

        @staticmethod
        def change_file_for_valid(x):
            with open(x, 'w', encoding='utf-8') as file:
                file.write(Person.save)

        @staticmethod
        def read_db():
            Person.save = Person.test_file_for_valid_format('objects.txt')
            Person.change_file_for_valid('objects.txt')
            with open('objects.txt', encoding='utf-8') as file:
                s = file.read().strip().split('|')
                res = []
                for i in range(0, len(s) - 5, 6):
                    res += [s[i: i + 6]]
                return res

        @staticmethod
        def create_objects():
            Person.instances.clear()
            s = Person.read_db()
            for i in s:
                obj = Person(*i)

        @staticmethod
        def draw_gui():
            root = Tk()
            root.geometry('600x650+200+100')
            root.title('Alexander`s Notebook 1.1')
            #root.iconbitmap('favicon.ico')
            root.configure(bg='beige')

            def change_spaces(s):
                s = s.replace('|', '/')
                return s

            def test_button():
                result = [e1.get(), e2.get(), e3.get(), e4.get(), e5.get(), e6.get()]
                result2 = list(map(lambda x: 'не указано' if x == '' else x, result))
                for i in range(len(result2)):
                    result2[i] = change_spaces(result2[i])
                Person.data_from_entries = '|'.join(result2)
                e1.delete(0, END)
                e2.delete(0, END)
                e3.delete(0, END)
                e4.delete(0, END)
                e5.delete(0, END)
                e6.delete(0, END)

                Person.append_obj_to_file()
                Person.create_objects()

            def search_name():
                try:
                    label7.config(foreground='green', justify='center', font=('verdana', 20))
                    try:
                        Person.create_objects()
                        Person.search = e7.get()
                        Person.output(label7, label8)
                        e7.delete(0, END)
                    except IndexError:
                        label7.config(text='ошибка ввода')
                        with open('objects.txt', 'w', encoding='utf-8') as file:
                            file.write(Person.save)
                    except FileNotFoundError:
                        label7.config(text='Для создания файла с данными \nвведите первый контакт')
                        Person.create_file()
                except:
                    label7.config(text='Что-то пошло не так \nПерезапустите программу')
                    label8.config(text='')

            def to_del_contact():
                x = e9.get()
                with open('objects.txt', encoding='utf-8') as file:
                    s = file.read()
                if x in s:
                    n = s.split('|')
                    indexes = []
                    deleted = []
                    for i, f in enumerate(n):
                        if f == x:
                            indexes += [i]
                    for i in indexes:
                        if n[i - 1] == e8.get():
                            deleted = n[i - 1: i + 5]
                            break
                    to_removed = '|'.join(deleted) + '|'
                    del n[i - 1:i + 5]
                    s = '|'.join(n)
                    with open('removed.txt', 'a', encoding='utf-8') as file:
                        file.write(to_removed)
                    with open('objects.txt', 'w', encoding='utf-8') as file:
                        file.write(s)
                e8.delete(0, END)
                e9.delete(0, END)

            def show_contacts():
                try:
                    # сортировка по фамилиям
                    with open('objects.txt', encoding='utf-8') as file:
                        s = file.read()
                    ns = s.split('|')[:-1]
                    res = []
                    for i in range(0, len(ns) - 5, 6):
                        res += [ns[i: i + 6]]
                    res.sort(key=lambda x: x[1])
                    # сортировка однофамильцев по именам
                    result = []

                    def grouper(item):
                        return item[1]

                    for key, group_items in groupby(res, key=grouper):
                        b = list(group_items)
                        b.sort(key=lambda x: x[0])
                        b = sum(b, [])
                        result.append(b)
                    result = sum(result, [])
                    s = '|'.join(result) + '|'
                    with open('objects.txt', 'w', encoding='utf-8') as file:
                        file.write(s)
                    # сортировка по фамилиям
                    Person.create_objects()
                    label7.config(foreground='blue', justify='left')
                    contacts = ''
                    if not Person.instances:
                        label7.config(text='База контактов пуста')
                    else:
                        for i in Person.instances:
                            contacts += f'{i.surname} {i.name}\n'
                        label7.config(text=contacts, font=('verdana', 10))
                        label8.config(text='')
                except:
                    label7.config(text='')
                    label8.config(text='Что-то пошло не так \nПерезапустите программу')

            def restore_contacts():
                Person.save = Person.test_file_for_valid_format('removed.txt')
                Person.change_file_for_valid('removed.txt')
                s = ''
                with open('removed.txt', encoding='utf-8') as file1:
                    s = file1.read()
                # print(s)
                with open('objects.txt', 'a', encoding='utf-8') as file2:
                    file2.write(s)
                with open('removed.txt', 'w', encoding='utf-8') as file3:
                    file3.write('')

            label1 = Label(text='Имя', bg='beige', font=('verdana', 10))
            e1 = Entry(width=40)
            label2 = Label(text='Фамилия', bg='beige', font=('verdana', 10))
            e2 = Entry(width=40)
            label3 = Label(text='Пол', bg='beige', font=('verdana', 10))
            e3 = Entry(width=40)
            label4 = Label(text='Возраст', bg='beige', font=('verdana', 10))
            e4 = Entry(width=40)
            label5 = Label(text='Номер', bg='beige', font=('verdana', 10))
            e5 = Entry(width=40)
            label6 = Label(text='Адрес', bg='beige', font=('verdana', 10))
            e6 = Entry(width=40)
            button = Button(text='Добавить контакт', foreground='red', command=test_button)
            e7 = Entry(width=40)
            button2 = Button(text='Искомая фамилия', foreground='green', command=search_name)
            label7 = Label(text='Результат поиска', foreground='red', bg='beige', font=('verdana', 10))
            label8 = Label(justify=LEFT, bg='beige')
            label9 = Label(text="Удаление контактов", bg='beige', font=('verdana', 10))
            e8 = Entry(width=40)
            button3 = Button(text='Удалить контакт', command=to_del_contact)
            label10 = Label(text="Имя", bg='beige', font=('verdana', 10))
            label11 = Label(text="Фамилия", bg='beige', font=('verdana', 10))
            e9 = Entry(width=40)
            button5 = Button(text='Показать контакты', command=show_contacts)
            button4 = Button(text='Восстановить', command=restore_contacts)

            label1.place(x=120, y=10)
            e1.place(x=20, y=30)
            label2.place(x=105, y=50)
            e2.place(x=20, y=70)
            label3.place(x=120, y=90)
            e3.place(x=20, y=110)
            label4.place(x=110, y=130)
            e4.place(x=20, y=150)
            label5.place(x=115, y=170)
            e5.place(x=20, y=190)
            label6.place(x=115, y=210)
            e6.place(x=20, y=230)
            button.place(x=85, y=260)
            e7.place(x=20, y=300)
            button2.place(x=85, y=330)
            label7.place(x=320, y=10)
            label8.place(x=300, y=50)
            label9.place(x=85, y=360)
            label10.place(x=120, y=380)
            e8.place(x=20, y=405)
            label11.place(x=105, y=425)
            e9.place(x=20, y=445)
            button3.place(x=85, y=475)
            button4.place(x=90, y=510)
            button5.place(x=78, y=565)

            e1.focus()

            root.mainloop()

except FileNotFoundError:
    Person.create_file()
    Person.create_removed()
finally:
    Person.draw_gui()