import sys

import pygame

from common.constants import *
from common.helpers import print_numbers
from logic.level import Level
from ui.logs import Logs
from ui.screens.credits import Credits
from ui.screens.main_menu import MainMenu
from ui.screens.options import Options
from ui.stats import Stats
from logic.health_bar import HealthBar


class Game:
    def __init__(self):
        pygame.init()
        pygame.display.set_caption(GAME_TITLE)
        pygame.display.set_icon(pygame.image.load('./resources/icons/sword.png'))

        self.screen = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))

        self.clock = pygame.time.Clock()

        self.bg = pygame.image.load("./resources/textures/bg.jpg")
        self.screens = {'credits': Credits(self.screen, self.clock), 'options': Options(self.screen, self.clock)}


    def main_menu(self):
        menu = MainMenu(self.screen, self.clock, self.bg,
                        self.game,
                        self.screens['options'].display_screen,
                        self.screens['credits'].display_screen)
        menu.display_screen()

    def game(self):
        logs = Logs(self.screen)
        level = Level(self.screen, logs)

        # setup clock for rounds
        NEXT_TURN = pygame.USEREVENT + 1
        pygame.time.set_timer(NEXT_TURN, TURN_INTERVAL)

        # create level
        level.create_map()
        stats = Stats(self.screen, level.list_knights_blue, level.list_knights_red)

        print_numbers_flag = False
        running = True
        while running:
            self.screen.blit(self.bg, (0, 0))

            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    pygame.quit()
                    sys.exit()
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_ESCAPE:
                        running = False
                    if event.key == pygame.K_n:
                        print_numbers_flag = not print_numbers_flag

                if event.type == NEXT_TURN:  # is called every 'TURN_INTERVAL' milliseconds
                    level.handle_turn()

            stats.update()
            logs.draw()
            level.update()

            if print_numbers_flag:
                print_numbers()

            pygame.display.update()
            self.clock.tick(FPS_COUNT)