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from random import seed
from random import randint
import datetime
import pygame
import sys
import time
import math
import os
from pygame.locals import *

seed(time)

def DrawText(text, font, surface_menu, x, y, selected=False):
    textobj = font.render(text, 1, font_color)
    textrect = textobj.get_rect()
    textrect.center = (x, y)
    windowSurface.blit(textobj, textrect)

pygame.init()

GOLDEN = (255, 255, 153)
WHITE = (255, 255, 255)
GRAY = (51, 51, 51)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
BLACK = (0, 0, 0)
CYAN = (0, 255, 255)
MAGENTA = (255, 0, 255)
AZURE = (240, 255, 255)
OLIVE = (128, 128, 0)

colors = [RED, GREEN, BLUE, CYAN, MAGENTA, AZURE, OLIVE, GOLDEN]

WINDOW_WIDTH = 1920
WINDOW_HEIGHT = 1200
font_color = GOLDEN
font = pygame.font.SysFont("comicsansms", 72)
windowSurface = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT), 0, 32)
pygame.display.set_caption('Circle Game')
fps = pygame.time.Clock()

CIRCLE_RADIUS = 100
PLAYER_SIZE = 50
CIRCLES_NUM = 7
MOVESPEED = 5
THICKNESS = 15
MIN_DISTANCE = 200
TICK = 60

background_image = pygame.image.load("bg2.png").convert()
background_image = pygame.transform.scale(background_image, (1920, 1200))

player_image = pygame.image.load('3.png').convert_alpha()

minions = [pygame.image.load('minion_1.png').convert_alpha(), pygame.image.load('minion_2.png').convert_alpha(), pygame.image.load('minion_3.png').convert_alpha(), pygame.image.load('minion_4.png').convert_alpha(), pygame.image.load('minion_5.png').convert_alpha(), pygame.image.load('minion_6.png').convert_alpha()]

score = 0
gameover = False

class Circle(object):
    def __init__(self, x, y, radius, color, duration, direction, sprite):
        self.x = x
        self.y = y
        self.radius = radius
        self.color = color
        self.duration = duration
        self.direction = direction
        self.sprite = sprite

    def intersects(self, circle):
        return ((self.x - circle.x)**2 + (self.y - circle.y)**2 <
                (self.radius + circle.radius)**2)

    def check_min_distance(self, circle, min_distance):
        return ((self.x - circle.x)**2 + (self.y - circle.y)**2 <
                (self.radius + circle.radius + min_distance)**2)

    def make_move(self):
        if self.duration == 0:
            self.set_random_dir()
        while (self.x + DX[self.direction] + self.radius >= WINDOW_WIDTH or
               self.x + DX[self.direction] - self.radius <= 0 or
               self.y + DY[self.direction] + self.radius >= WINDOW_HEIGHT or
               self.y + DY[self.direction] - self.radius <= 0):
            self.set_random_dir()
        self.x += DX[self.direction]
        self.y += DY[self.direction]
        self.duration -= 1

    def set_random_dir(self):
        self.duration = randint(50, 150)
        check = self.direction
        self.direction = randint(0, 7)
        while check == self.direction:
            self.direction = randint(0, 7)

def update_leaderboard():
    buffer = []
    timestamp = datetime.datetime.now()
    now = timestamp.strftime("%Y-%m-%d %H:%M:%S")
    scoreboard = open("scoreboard.txt", "a")
    scoreboard.write(f"{score} | {now}")
    scoreboard.close()
    with open("scoreboard.txt", "r") as scoreboard:
        x = scoreboard.readlines()
        for i in range(len(x)):
            currentline = x[i]
            element = currentline.strip().split(' | ')
            buffer.append((int(element[0]), element[1]))
    print(buffer)
    buffer.sort(reverse = True)
    print(buffer)
    file = open("scoreboard.txt", "w")
    file.close()
    scoreboard = open("scoreboard.txt", "a")
    for i in range(len(buffer)):
        scoreboard.write(str(buffer[i][0]) + " | " + buffer[i][1] + '\n')
    scoreboard.close()

def generate_circle_random_pos():
    x = randint(CIRCLE_RADIUS, WINDOW_WIDTH-CIRCLE_RADIUS)
    y = randint(CIRCLE_RADIUS, WINDOW_HEIGHT-CIRCLE_RADIUS)
    return Circle(x, y, CIRCLE_RADIUS, colors[randint(0, len(colors)-1)], 0, 0, randint(0, 5))


def generate_circles(num_circles):
    circles = []
    cnt = 0
    MAX_CNT = 500
    while len(circles) < num_circles:
        new_circle = generate_circle_random_pos()
        if player.check_min_distance(new_circle, MIN_DISTANCE):
            continue
        has_intersection = False
        for c in circles:
            if c.intersects(new_circle):
                has_intersection = True
                break
        if not has_intersection:
            circles.append(new_circle)
        cnt += 1
        if cnt == MAX_CNT:
            circles.clear()
    return circles


player = Circle(round(WINDOW_WIDTH/2), round(WINDOW_HEIGHT/2),
                PLAYER_SIZE, GREEN, 0, 0, 0)

circles = generate_circles(CIRCLES_NUM)

DX = [-MOVESPEED, 0, MOVESPEED, 0, -MOVESPEED, MOVESPEED, MOVESPEED, -MOVESPEED]
DY = [0, -MOVESPEED, 0, MOVESPEED, -MOVESPEED, -MOVESPEED, MOVESPEED, MOVESPEED]

moveLeft = False
moveRight = False
moveUp = False
moveDown = False

pause = False

while not gameover:
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()

        elif event.type == KEYDOWN:
            if event.key == K_w or event.key == K_UP:
                moveDown = False
                moveUp = True
            elif event.key == K_a or event.key == K_LEFT:
                moveRight = False
                moveLeft = True
            elif event.key == K_s or event.key == K_DOWN:
                moveUp = False
                moveDown = True
            elif event.key == K_d or event.key == K_RIGHT:
                moveLeft = False
                moveRight = True

        elif event.type == KEYUP:
            if event.key == K_w or event.key == K_UP:
                moveUp = False
            elif event.key == K_a or event.key == K_LEFT:
                moveLeft = False
            elif event.key == K_s or event.key == K_DOWN:
                moveDown = False
            elif event.key == K_d or event.key == K_RIGHT:
                moveRight = False
            elif event.key==K_SPACE:
                pause = True
                moveLeft = False
                moveRight = False
                moveUp = False
                moveDown = False

    while pause == True:
        for event in pygame.event.get():
            if event.type==KEYUP:
                if event.key==K_SPACE:
                    pause = False

    score += 1
    if score % 20 == 0:
        player.radius += 1

    #windowSurface.fill(GRAY)

    windowSurface.blit(background_image, [0, 0])
    player_stretched_image = pygame.transform.scale(player_image, (player.radius*2, player.radius*2))
    playerpos = pygame.Rect(0, 0, player.radius*2, player.radius*2)
    playerpos.center = (player.x, player.y)

    DrawText(f'Score: {score}', font, windowSurface, round(WINDOW_WIDTH/2), round(WINDOW_HEIGHT/10), True)

    if moveDown and player.y + player.radius < WINDOW_HEIGHT:
        player.y += MOVESPEED*2
    if moveUp and player.y - player.radius > 0:
        player.y -= MOVESPEED*2
    if moveLeft and player.x - player.radius > 0:
        player.x -= MOVESPEED*2
    if moveRight and player.x + player.radius < WINDOW_WIDTH:
        player.x += MOVESPEED*2

    for c in circles:
        if c.intersects(player):
            gameover = True
            update_leaderboard()
            break

    new_circles = []

    while True:
        global_ok = True
        for c in circles:
            cand = Circle(c.x, c.y, CIRCLE_RADIUS, c.color,
                          c.duration, c.direction , c.sprite)
            chance = randint(1, 100)
            if chance >= 99:
                cand.set_random_dir()
            cand.make_move()
            ok = True
            for c2 in new_circles:
                if c2.intersects(cand):
                    ok = False
                    break
            for c2 in circles:
                if c2 != c and c2.intersects(cand):
                    ok = False
                    break
            cnt = 0
            MAX_CNT = 50
            while not ok:
                cand = Circle(c.x, c.y, CIRCLE_RADIUS, c.color,
                              c.duration, c.direction, c.sprite)
                cand.set_random_dir()
                cand.make_move()
                ok = True
                for c2 in new_circles:
                    if c2.intersects(cand):
                        ok = False
                        break
                for c2 in circles:
                    if c2 != c and c2.intersects(cand):
                        ok = False
                        break
                cnt += 1
                if cnt == MAX_CNT:
                    break
            if cnt == MAX_CNT:
                new_circles.clear()
                global_ok = False
                break
            new_circles.append(cand)
        if global_ok:
            break
    circles = new_circles
    for c in circles:
        #pygame.draw.circle(windowSurface, c.color,
                           #(c.x, c.y), c.radius, THICKNESS)
        minion_stretched_image = pygame.transform.scale(minions[c.sprite], (CIRCLE_RADIUS*2, CIRCLE_RADIUS*2))
        minionpos = pygame.Rect(0, 0, CIRCLE_RADIUS*2, CIRCLE_RADIUS*2)
        minionpos.center = (c.x, c.y)
        windowSurface.blit(minion_stretched_image, minionpos)
    #pygame.draw.circle(windowSurface, player.color,
                       #(player.x, player.y), player.radius, 0)
    windowSurface.blit(player_stretched_image, playerpos)
    pygame.display.update()
    fps.tick(TICK)