#!/usr/bin/env python3

import pygame as pg
import pacman_sprite
import pacman as m_pacman # m_ for module to avoid conflicts
from physic_engine import PhysicEngine
import pacmap as m_pacmap
import sys

pg.init()

class Screen:
    def __init__(self, size, pacmap: m_pacmap.Map, physic_engine: PhysicEngine, pacman: m_pacman.Pacman):
        self.screen = pg.display.set_mode(size)
        # self.screen.set_caption("Pacman")
        self.physic_engine = physic_engine
        self.pacman = pacman
        self.pacman_sprite = pacman_sprite.PacmanSprite(size[0]/28)
        self.clock = pg.time.Clock()
        self.max_fps = 40
        self.entity_group = pg.sprite.Group(self.pacman_sprite)
        self.loop()
    

    def user_events(self):
        key = pg.key.get_pressed()
        if key[pg.K_UP]:
            pacman.set_next_dir(m_pacman.direction.up)
        if key[pg.K_DOWN]:
            pacman.set_next_dir(m_pacman.direction.down)
        if key[pg.K_LEFT]:
            pacman.set_next_dir(m_pacman.direction.left)
        if key[pg.K_RIGHT]:
            pacman.set_next_dir(m_pacman.direction.right)

    def refresh(self):
        """refresh/redraw all"""
        pac_x, pac_y = self.pacman.position
        pac_res = self.pacman.resolution
        pacmap.draw(self.screen)
        self.pacman_sprite.rect.x = int(pac_x / 28 / pac_res * self.screen.get_width()) - 10
        self.pacman_sprite.rect.y = int(pac_y / 31 / pac_res * self.screen.get_height()) - 10
        self.entity_group.draw(self.screen)


    def create_maze_surface(self):
        pass

    def loop(self):
        while 1:
            self.screen.fill((0, 0, 0))
            for event in pg.event.get():
                if event.type == pg.QUIT:
                    sys.exit()

            self.user_events()
            self.physic_engine.move_all()
            self.refresh()

            self.clock.tick(self.max_fps)
            pg.display.flip()

if __name__ == '__main__':
    pacman = m_pacman.Pacman((1,1))
    pacmap = m_pacmap.Map(maze_img_file="pacmap_maze1.png")
    phys_engine = PhysicEngine(pacmap, pacman)
    screen = Screen((560, 620), pacmap, phys_engine, pacman)