# libraries
import time
from pyglet.gl import *  # for blocky textures
import random
# other files of this project
import project_constants as const
import minefield as mf
import searching_algorithms.bfs as bfs
from display_assets import blit_graphics
from ui.input_box import *
from ui.button import *
from ui.text_box import *


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

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

    # FPS clock
    clock = pygame.time.Clock()

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

    # setting flags for program
    running = True
    in_menu = True

    # counting coordinates for ui components
    ib_width, ib_height = 100, 65
    bt_width, bt_height = 210, 55
    ib_y = 200
    ib1_x = const.SCREEN.get_width() / 2 - ib_width - 5
    ib2_x = const.SCREEN.get_width() / 2 + 5
    bt_x = const.SCREEN.get_width() / 2 - bt_width / 2
    bt1_y = ib_y + ib_height + 10
    bt2_y = bt1_y + bt_height + 10

    # creating ui components used in menu
    input1 = InputBox(
        position=(ib1_x, ib_y),
        dimensions=(ib_width, ib_height),
        text="row",
        input_centered=True,
        clear_input_on_click=True
    )
    input2 = InputBox(
        position=(ib2_x, ib_y),
        dimensions=(ib_width, ib_height),
        text="column",
        input_centered=True,
        clear_input_on_click=True
    )
    random_button = Button(position=(bt_x, bt1_y), dimensions=(bt_width, bt_height), text="random")
    ok_button = Button(position=(bt_x, bt2_y), dimensions=(bt_width, bt_height), text="ok")

    # initializing goal position
    to_x, to_y = 0, 0

    while running:

        while running and in_menu:
            const.SCREEN.fill((255, 255, 255))
            events = pygame.event.get()

            for event in events:
                if event.type == pygame.QUIT:
                    running = False

            input1.run(const.SCREEN, pygame.mouse.get_pos(), events)
            input2.run(const.SCREEN, pygame.mouse.get_pos(), events)

            ok_button.draw(const.SCREEN, pygame.mouse.get_pos())
            random_button.draw(const.SCREEN, pygame.mouse.get_pos())

            if ok_button.is_clicked(pygame.mouse.get_pos(), events):
                in_menu = False
            if random_button.is_clicked(pygame.mouse.get_pos(), events):
                input1.set_texts(user_input=str(random.randint(0, 9)))
                input2.set_texts(user_input=str(random.randint(0, 9)))
            pygame.display.flip()

            clock.tick(const.V_FPS)

        if running:
            to_x = int(input1.get_input())
            to_y = int(input2.get_input())

        action_sequence = bfs.graphsearch(
            initial_state=bfs.State(
                row=minefield.agent.position[0],
                column=minefield.agent.position[1],
                direction=minefield.agent.direction),
            minefield=minefield, tox=to_x, toy=to_y)

        while running and not in_menu:

            # FPS control
            clock.tick(const.V_FPS)

            # graphics (from display_assets)
            blit_graphics(minefield)

            # make the next move from sequence of actions
            if any(action_sequence):

                action = action_sequence.pop(0)

                if action == const.Action.ROTATE_LEFT:
                    minefield.agent.rotate_left()
                elif action == const.Action.ROTATE_RIGHT:
                    minefield.agent.rotate_right()
                elif action == const.Action.GO:
                    minefield.agent.go()

                time.sleep(const.ACTION_INTERVAL)

            else:
                in_menu = True
                time.sleep(const.ACTION_INTERVAL)
                # 'for event in pygame.event.get():
                #    if event.type == pygame.QUIT:
                #        running = False


if __name__ == "__main__":
    main()