import socket
import sqlite3

import pygame
import os

DIAL_SCALING = 0.9
QUIT_BUTTON_SIZE = 50
BUTTON_SIZE = (150, 100)
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))

SERVER_IP = '172.20.100.100'
TCP_PORT = 25813
BUFFER_SIZE = 1024

set_temperature = 74


def send_data(message: str):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.connect((SERVER_IP, TCP_PORT))
        s.settimeout(10)
        s.send(message.encode('utf-8'))
        response = s.recv(BUFFER_SIZE)
        s.close()
        return response


class Button(pygame.Surface):
    def __init__(self, button_text: str, button_position: tuple, temp_change: float):
        super().__init__(BUTTON_SIZE, pygame.SRCALPHA)
        self.rect = self.get_rect()

        self.temp_change = temp_change
        self.text = button_text
        self.font = pygame.font.Font(SCRIPT_DIR + '/resources/tuffy.ttf', 32)

        self.rect.centerx = button_position[0]
        self.rect.centery = button_position[1]
        self.active = False
        self.pressed = False

    def update(self):
        self.fill((128, 128, 128))
        if self.pressed:
            self.fill((200, 200, 200))

        text = self.font.render(self.text, True, (255, 255, 255))
        text_rect = text.get_rect()
        text_rect.center = (self.rect.width / 2, self.rect.height / 2)
        self.blit(text, text_rect)
        self.active = False


class MouseHandler:
    def __init__(self):
        self.prev_mouse_pos = pygame.mouse.get_pos()
        self.mouse_pos = pygame.mouse.get_pos()
        self.click = False

    def update(self):
        self.prev_mouse_pos = self.mouse_pos
        self.mouse_pos = pygame.mouse.get_pos()


class QuitButton(pygame.Surface):
    def __init__(self):
        super().__init__((QUIT_BUTTON_SIZE, QUIT_BUTTON_SIZE), pygame.SRCALPHA)
        self.rect = self.get_rect()
        pygame.draw.rect(self, (255, 0, 0), self.rect, 3)
        pygame.draw.line(self, (255, 0, 0), (0, 0), (QUIT_BUTTON_SIZE, QUIT_BUTTON_SIZE), 3)
        pygame.draw.line(self, (255, 0, 0), (0, QUIT_BUTTON_SIZE), (QUIT_BUTTON_SIZE, 0), 3)


class Surface(pygame.Surface):
    def __init__(self, window_size):
        super().__init__(window_size, pygame.SRCALPHA)
        self.running = True
        self.quit = False
        self.next_surface = ''

        self.quit_button = QuitButton()

        self.buttons = [
            Button("+1", (360 + 250, 360 - 75), 1),
            Button("-1", (360 + 250, 360 + 75), -1),
            Button("+10", (360 - 250, 360 - 75), 10),
            Button("-10", (360 - 250, 360 + 75), -10)
        ]

        self.mouse_handler = MouseHandler()
        self.small_font = pygame.font.Font(SCRIPT_DIR + '/resources/tuffy.ttf', 16)
        self.big_font = pygame.font.Font(SCRIPT_DIR + '/resources/tuffy.ttf', 96)

        self.set_temp = 74
        self.frame_counter = 300
        self.current_temp = 0

    def update(self):
        self.frame_counter += 1
        self.fill((16, 16, 16))
        self.mouse_handler.update()
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                self.running = False
                self.quit = True
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_ESCAPE:
                    self.running = False
                    self.quit = True

            if event.type == pygame.MOUSEBUTTONDOWN:
                self.mouse_handler.update()
                self.mouse_handler.click = True

            if event.type == pygame.MOUSEBUTTONUP:
                self.mouse_handler.click = False

        if self.mouse_handler.click:

            if self.mouse_handler.mouse_pos[0] <= QUIT_BUTTON_SIZE and \
                    self.mouse_handler.mouse_pos[1] <= QUIT_BUTTON_SIZE:
                self.running = False
                self.quit = True

            for button in self.buttons:
                if button.rect.x <= self.mouse_handler.mouse_pos[0] <= button.rect.x + button.rect.width and \
                        button.rect.y <= self.mouse_handler.mouse_pos[1] <= button.rect.y + button.rect.height:
                    if not button.pressed and not button.active:
                        button.pressed = True
                        button.active = True
                    elif button.pressed and button.active:
                        button.active = False

        else:
            for button in self.buttons:
                button.pressed = False

        self.blit(self.quit_button, self.quit_button.rect)
        for button in self.buttons:
            if button.active:
                self.set_temp += button.temp_change
                print(send_data(f'SET;{self.set_temp}'))
            button.update()
            self.blit(button, button.rect)
        if self.frame_counter > 300:
            request_data = send_data(f'REQ')
            split_data = request_data.decode('utf-8').split(';')
            if split_data[0] == 'SDATA':
                self.current_temp = int(round(float(split_data[1])))
                self.set_temp = float(split_data[2])
            self.frame_counter = 0

        text = self.small_font.render(f'Set to {self.set_temp}°F', True, (255, 255, 255))
        text_rect = text.get_rect()
        text_rect.center = (360, 360 + 60)
        self.blit(text, text_rect)
        text = self.big_font.render(f'{self.current_temp}°F', True, (255, 255, 255))
        text_rect = text.get_rect()
        text_rect.center = (360, 360)
        self.blit(text, text_rect)