import pygame
from .colors import *
from .fonts import *
from .knobs import Knobs
from .lozenge_button import LozengeButton
from .binary_button import BinaryButton
from .circle_button import *

class GuiMain:

    def __init__(self):
        # pygame setup
        pygame.init()
        pygame.display.set_caption("SantoscopeUI")
        self.screen = pygame.display.set_mode((800, 480))
        #self.screen = pygame.display.set_mode((0,0), pygame.FULLSCREEN)
        self.screenH = self.screen.get_height()
        self.screenW = self.screen.get_width()

        self.label_surface = pygame.Surface((self.screenW, self.screenH), pygame.SRCALPHA)

        self.fx_mode_labels = [
            'Strings',
            'Beat',
            'L-Loop',
            'R-Loop',
            'Jack',
            'Athmo'
        ]

        # Create and position the fx_mode buttons
        self.fx_mode_buttons = []

        self.fx_mode = 0
        
        for i in range(len(self.fx_mode_labels)):
            x = self.screenW * 2.5 / 19
            y = i * self.screenH / 7.5 + 45
            r_x = self.screenW * 0.35 / 19
            r_y = (self.screenH-20) / 16
            self.fx_mode_buttons.append(
                LozengeButton(self, self.fx_mode_labels[i], (x,y), r_x, r_y)
            )
        
        self.knobs = []
        for i in range(len(self.fx_mode_labels)):
            self.knobs.append(Knobs(self))

        self.set_fx_mode(self.fx_mode_labels[self.fx_mode])

        self.mute_button = BinaryButton(
            self.screen,
            (20, self.fx_mode_buttons[0].y-20),
            (40, 40), 'M',
            False)
        self.beat_button = BeatButton(self, (40, self.fx_mode_buttons[1].y), 20)
        self.rloop_button = LoopButton(self, (40, self.fx_mode_buttons[2].y), 20)
        self.lloop_button = LoopButton(self, (40, self.fx_mode_buttons[3].y), 20)
    
        self.rec_button = BinaryButton(
            self.screen,
            (self.screenW-70, self.screenH-40),
            (60, 30),
            "REC",
            False
        )

        self.clock = pygame.time.Clock()
        self.running = True

    def set_knob_value(self, index, value):
        self.knobs[self.fx_mode].set_value(index, value)

    def set_fx_mode(self, mode):
        self.knobs[self.fx_mode].opacity = 0
        self.fx_mode = self.fx_mode_labels.index(mode)
        self.knobs[self.fx_mode].set_focused(None)
        self.knobs[self.fx_mode].fade_in = True
        for b in self.fx_mode_buttons:
            b.focused = (b.name == mode)

    def update(self):
        if self.running:
            # fill the screen with a color to wipe away anything from last frame
            self.screen.fill("black")

            self.screen.blit(self.label_surface, (0,0))
            self.label_surface = pygame.Surface((self.screenW, self.screenH), pygame.SRCALPHA)

            self.knobs[self.fx_mode].display()

            for button in self.fx_mode_buttons:
                button.display()
            
            self.mute_button.display()
            
            for i in range(1,4):
                pygame.draw.line(self.screen, color_primary_dark,
                                (self.fx_mode_buttons[i].radius_x*0.5 + 60, self.fx_mode_buttons[i].y),
                                (self.fx_mode_buttons[i].x - self.fx_mode_buttons[i].radius_x * 1.5,
                                 self.fx_mode_buttons[i].y))
            self.beat_button.display()
            self.lloop_button.display()
            self.rloop_button.display()
            self.rec_button.display()

            pygame.draw.polygon(self.screen, "white", [(0, self.screenH/2), (self.screenW*3 / 19, self.screenH), (0, self.screenH)])
            # flip() the display to put your work on screen
            pygame.display.flip()

            self.clock.tick(30)  # limits FPS to 60
            
            for event in pygame.event.get():
                # exit when esc is pressed
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_ESCAPE:
                        self.running = False
                elif event.type == pygame.QUIT:
                        self.running = False
                elif event.type == pygame.MOUSEBUTTONDOWN:
                    if event.button == 1:
                        self.mute_button.check_click(pygame.mouse.get_pos())
                        self.rec_button.check_click(pygame.mouse.get_pos())
                        self.beat_button.check_click(pygame.mouse.get_pos())
                        self.lloop_button.check_click(pygame.mouse.get_pos())
                        self.rloop_button.check_click(pygame.mouse.get_pos())
        else:
            pygame.quit()