# libraries
import pygame
from pyglet.gl import *  # for blocky textures

# other files of this project
import project_constants
import minefield as mf


def main():
    pygame.init()
    pygame.display.set_caption(project_constants.V_NAME_OF_WINDOW)

    # for blocky textures
    glEnable(GL_TEXTURE_2D)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)

    # create an instance of Minefield, pass necessary data
    minefield = mf.Minefield(project_constants.MAP_RANDOM_10x10)

    running = True
    while running:

        # ================ #
        # === GRAPHICS === #
        # ================ #

        # background grid (fills frame with white, blits grid)
        project_constants.SCREEN.fill((255, 255, 255))
        project_constants.SCREEN.blit(
            project_constants.ASSET_BACKGROUND,
            (
                project_constants.V_SCREEN_PADDING,
                project_constants.V_SCREEN_PADDING
            )
        )

        # draw tiles and mines
        minefield.draw(project_constants.SCREEN)
        pygame.display.update()

        # ============== #
        # === EVENTS === #
        # ============== #

        for event in pygame.event.get():

            if event.type == pygame.QUIT:
                running = False

            # else: event_interpreter.interpret( event )
            # Assigning all input from keyboard as variables into an array
            keys = pygame.key.get_pressed()

            # Depending on what key we press, the agent will move in that direction
            # DISCRETION : The only keys that are available are arrow keys
            if keys[pygame.K_RIGHT]:
                minefield.go_right()
            elif keys[pygame.K_LEFT]:
                minefield.go_left()
            elif keys[pygame.K_UP]:
                minefield.go_up()
            elif keys[pygame.K_DOWN]:
                minefield.go_down()


if __name__ == "__main__":
    main()