import pygame
import pygame_gui

from project_constants import SCREEN_WIDTH, SCREEN_HEIGHT, V_NAME_OF_WINDOW
from objects.mine_models.mine import Mine
from disarming.disarming_handler import DisarmingHandler

# =========== #
# == const == #
# =========== #

# main heights and lengths
gap_main = 20
gap_elem = 10
height_label = 24
height_cable_double_label = 2 * height_label + gap_elem
length_param_desc = 120
length_param_values = 250
length_cables = 250
# main heights and lengths

# frame, image and image labels
length_frame = length_param_desc + gap_elem + length_param_values + 3 * gap_main + length_cables
length_image = int((length_frame - 3 * gap_main) / 2)
height_image = length_image
height_frame = 6 * height_label + 5 * gap_elem + height_image + 2 * height_label + 2 * gap_elem + 3 * gap_main
screen_size = (int(length_frame), int(height_frame))
length_label_image = int((length_image - gap_elem) / 2)
# frame, image and image labels

# sizes
size_label_param_desc = (length_param_desc, height_label)
size_label_param_values = (length_param_values, height_label)
size_cable_label = (length_cables, height_label)
size_cable = (length_cables, height_cable_double_label)
size_image = (length_image, height_image)
size_light = (height_label, height_label)
size_label_image = (length_label_image, height_label)
# sizes

# y's
y_params1 = y_cables_label1 \
    = gap_main
y_params2 = y_cable1 \
    = y_params1 + gap_elem + height_label
y_params3 = y_params2 + gap_elem + height_label
y_params4 = y_cables_label2 \
    = y_params3 + gap_elem + height_label
y_params5 = y_cable2 \
    = y_params4 + gap_elem + height_label
y_params6 = y_params5 + gap_elem + height_label
y_image = y_params6 + gap_main + height_label
y_image_label1 = y_image + height_image + gap_elem
y_image_label2 = y_image_label1 + height_label + gap_elem
# y's

# x's
x_param_desc = x_image1 = x_image1_label1 \
    = gap_main
x_image1_label2 = x_image1_label1 + length_label_image + gap_elem
x_param_values = x_param_desc + length_param_desc + gap_elem
x_param_values_after_light = x_param_values + gap_elem
x_cables = x_param_values + length_param_values + gap_main
x_image2 = x_image2_label1\
    = x_image1 + length_image + gap_main
x_image2_label2 = x_image2_label1 + length_label_image + gap_elem
# x's


# =========== #
# == class == #
# =========== #

class SampleWindow:

    def __init__(self):

        # main attributes
        self.running = True
        self.clock = pygame.time.Clock()
        self.manager = pygame_gui.UIManager(screen_size, 'disarming/theme.json')  # TODO : change theme path
        # main attributes

        def gui():

            def params_desc():
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_desc, y_params1),
                        size_label_param_desc
                    ),
                    text="TYPE",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_desc, y_params2),
                        size_label_param_desc
                    ),
                    text="DANGER CLASS",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_desc, y_params3),
                        size_label_param_desc
                    ),
                    text="INDICATOR",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_desc, y_params4),
                        size_label_param_desc
                    ),
                    text="WEIGHT",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_desc, y_params5),
                        size_label_param_desc
                    ),
                    text="SERIES",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_desc, y_params6),
                        size_label_param_desc
                    ),
                    text="SPECIFICITY",
                    manager=self.manager,
                    object_id="description"
                )

            def params_values():
                # type value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_values, y_params1),
                        size_label_param_values
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                # danger class value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_values, y_params2),
                        size_label_param_values
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                # indicator value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_values, y_params3),
                        size_label_param_values
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                # weight value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_values, y_params4),
                        size_label_param_values
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                # series value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_values, y_params5),
                        size_label_param_values
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                # spec value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_param_values, y_params6),
                        size_label_param_values
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )

            def cables():
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_cables, y_cables_label1),
                        size_cable_label
                    ),
                    text="CORRECT WIRE",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_cables, y_cables_label2),
                        size_cable_label
                    ),
                    text="CHOSEN WIRE",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_cables, y_cable1),
                        size_cable
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_cables, y_cable2),
                        size_cable
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )

            def image1():
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image1_label1, y_image_label1),
                        size_label_image
                    ),
                    text="CORRECT SERIES",
                    manager=self.manager,
                    object_id="description"
                )
                # correct series value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image1_label1, y_image_label2),
                        size_label_image
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image1_label2, y_image_label1),
                        size_label_image
                    ),
                    text="RECOGNISED SERIES",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image1_label2, y_image_label2),
                        size_label_image
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                surf = pygame.Surface(size_image)
                surf.fill((20, 20, 20))
                pygame_gui.elements.UIImage(
                    image_surface=surf,
                    relative_rect=pygame.Rect(
                        (x_image1, y_image),
                        size_image
                    ),
                    manager=self.manager
                )

            def image2():
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image2_label1, y_image_label1),
                        size_label_image
                    ),
                    text="CORRECT SPEC",
                    manager=self.manager,
                    object_id="description"
                )
                # correct spec value
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image2_label1, y_image_label2),
                        size_label_image
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image2_label2, y_image_label1),
                        size_label_image
                    ),
                    text="RECOGNISED SPEC",
                    manager=self.manager,
                    object_id="description"
                )
                pygame_gui.elements.UILabel(
                    relative_rect=pygame.Rect(
                        (x_image2_label2, y_image_label2),
                        size_label_image
                    ),
                    text="...",
                    manager=self.manager,
                    object_id="empty_field"
                )
                surf = pygame.Surface(size_image)
                surf.fill((20, 20, 20))
                pygame_gui.elements.UIImage(
                    image_surface=surf,
                    relative_rect=pygame.Rect(
                        (x_image2, y_image),
                        size_image
                    ),
                    manager=self.manager
                )

            params_desc()
            params_values()
            cables()
            image1()
            image2()

        # frame basics
        pygame.display.set_caption("disarming...")
        self.window_surface = pygame.display.set_mode(screen_size)
        self.background = pygame.Surface(screen_size)
        self.background.fill(pygame.Color('#000000'))

        # loading the gui
        gui()

    # ============= #
    # == showing == #
    # ============= #

    def show_params(self, mine_type: str, weight: str, danger: str, indicator: str, series: str, spec: str):
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params1),
                size_label_param_values
            ),
            text=mine_type,
            manager=self.manager,
            object_id="field"
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params4),
                size_label_param_values
            ),
            text=weight,
            manager=self.manager,
            object_id="field"
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params2),
                size_label_param_values
            ),
            text=danger,
            manager=self.manager,
            object_id="field"
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params3),
                size_label_param_values
            ),
            text=indicator,
            manager=self.manager,
            object_id="field"
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_image1_label1, y_image_label2),
                size_label_image
            ),
            text=series,
            manager=self.manager,
            object_id="field"
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_image2_label1, y_image_label2),
                size_label_image
            ),
            text=spec,
            manager=self.manager,
            object_id="field"
        )

    def blit_pic(self, x_image, pic):

        # initializing surface with background
        surf = pygame.Surface(size_image)
        surf.fill((20, 20, 20))

        # scaling size & coords
        bigger = max(pic.get_size()[0], pic.get_size()[1])
        scaling_factor = (height_image - 10) / bigger

        length_pic = int(pic.get_size()[0]*scaling_factor)
        height_pic = int(pic.get_size()[1]*scaling_factor)
        size_pic = (length_pic, height_pic)

        coords_pic = (
             int((length_image-length_pic) / 2),
             int((height_image-height_pic) / 2)
        )

        # blitting the image onto background
        surf.blit(pygame.transform.scale(pic, size_pic), coords_pic)

        pygame_gui.elements.UIImage(
            image_surface=surf,
            relative_rect=pygame.Rect(
                (x_image, y_image),
                size_image
            ),
            manager=self.manager
        )

    def show_series(self, series: str, correct: bool):
        colour = "param_values_correct" if correct else "param_values_wrong"
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params5),
                size_label_param_values
            ),
            text=series,
            manager=self.manager,
            object_id="field"
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params5),
                size_light
            ),
            text="",
            manager=self.manager,
            object_id=colour
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_image1_label2, y_image_label2),
                size_label_image
            ),
            text=series,
            manager=self.manager,
            object_id=colour
        )

    def show_spec(self, spec: str, correct: bool):
        colour = "param_values_correct" if correct else "param_values_wrong"
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params6),
                size_label_param_values
            ),
            text=spec,
            manager=self.manager,
            object_id="field"
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_param_values, y_params6),
                size_light
            ),
            text="",
            manager=self.manager,
            object_id=colour
        )
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_image2_label2, y_image_label2),
                size_label_image
            ),
            text=spec,
            manager=self.manager,
            object_id=colour
        )

    def show_cable_calculated(self, colour: str):
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_cables, y_cable1),
                size_cable
            ),
            text=colour,
            manager=self.manager,
            object_id=colour
        )

    def show_cable_chosen(self, colour: str):
        pygame_gui.elements.UILabel(
            relative_rect=pygame.Rect(
                (x_cables, y_cable2),
                size_cable
            ),
            text=colour,
            manager=self.manager,
            object_id=colour
        )

    # ========= #
    # == run == #
    # ========= #

    def run(self, mine: Mine):
        timed_event = pygame.USEREVENT + 1
        pygame.time.set_timer(timed_event, 6000)

        step = 0
        handler = DisarmingHandler(mine)

        while self.running:

            time_delta = self.clock.tick(60) / 1000.0

            for event in pygame.event.get():

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

                if event.type == timed_event:
                    if step == 0:       # just the params
                        params = handler.get_mine_params()
                        self.show_params(params[0], params[1], params[2], params[3], params[4], params[5])
                    elif step == 1:     # correct cable
                        self.show_cable_calculated(handler.correct_wire)
                    elif step == 2:     # loading the letter image
                        img = pygame.image.load(handler.pick_series_image())
                        self.blit_pic(x_image1, img)
                    elif step == 3:     # recognising the letter
                        answer, is_correct = handler.recognize_series()
                        self.show_series(answer, is_correct)
                    elif step == 4:     # loading spec image
                        img = pygame.image.load(handler.pick_specificity_image())
                        self.blit_pic(x_image2, img)
                    elif step == 5:     # recognising spec image
                        answer, is_correct = handler.recognize_specificity()
                        self.show_spec(answer, is_correct)
                    elif step == 6:     # showing the chosen cable
                        self.show_cable_chosen(handler.choose_wire())
                    else:
                        self.running = False

                    step += 1

            self.manager.update(time_delta)
            self.window_surface.blit(self.background, (0, 0))
            self.manager.draw_ui(self.window_surface)

            pygame.display.update()
        return handler.defuse()


def disarming_popup(mine: Mine = None):
    # run the pop-up
    app = SampleWindow()
    result = app.run(mine)

    # bring display back to normal
    pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
    pygame.display.set_caption(V_NAME_OF_WINDOW)

    return result


if __name__ == '__main__':
    pygame.init()
    disarming_popup()