import pygame

class Window:
    window:None
    width:int
    height:int
    title:str
    icon_path:str
    paused:bool
    pause_menu:None

    search: pygame.Surface
    
    def __init__(self, width:int=640, height:int=480, title="", icon_path=""):
        self.set_resolution(width,height)
        self.set_title(title)
        self.set_icon(icon_path)
        self.mount()
        self.paused=False

        self.pause_menu = pygame.Surface((width, height))
        self.pause_menu.set_alpha(128)
        self.pause_menu.fill((0,0,0))
        self.search = pygame.Surface((width, height), flags=pygame.SRCALPHA)
    
    def set_resolution(self, width:int, height:int):
        self.width = width
        self.height = height
    
    def set_title(self, title:str):
        self.title=title
    
    def set_icon(self, icon_path:str):
        self.icon_path= icon_path
    
    def mount(self):
        self.window = pygame.display.set_mode((self.width,self.height))
        pygame.display.set_caption(self.title)
        if self.icon_path != "":
            icon = pygame.image.load(self.icon_path)
            pygame.display.set_icon(icon)
    
    def pause(self, paused:bool):
        self.paused=paused
        if self.paused:
            self.window.blit(self.pause_menu,(0,0))
            pygame.display.update()
    
    def draw_search(self, pos1:list=[0,0], pos2:list=[0,0], tile_size:int=64, map=None, saper=None):
        map.draw_tiles()
        map.draw_objects()
        saper.draw(self.window, 0.1)
        self.window.blit(self.pause_menu,(0,0))
        self.search = pygame.Surface((self.width, self.height), flags=pygame.SRCALPHA)
        pos1 = [pos1[0]*tile_size+(tile_size/2), pos1[1]*tile_size+(tile_size/2)]
        pos2 = [pos2[0]*tile_size+(tile_size/2), pos2[1]*tile_size+(tile_size/2)]
        pygame.draw.line(self.search, pygame.Color(255,0,0), pos1, pos2, 5)

        n = 10
        p1=0
        p2=0
        p3=0
        if (pos2[0] - pos1[0])!=0:
            a1 = (pos2[1] - pos1[1])/(pos2[0] - pos1[0])
            b1 = (pos1[1] - a1*pos1[0])
            if a1!=0:
                a2 = -(1/a1)
                b2 = pos2[1] - a2*pos2[0]
                y = a2*(pos2[0]+n)+b2
                p1 = (pos2[0]+n, y)
                y = a2*(pos2[0]-n)+b2
                p2 = (pos2[0]-n, y)
                if pos1[0]>pos2[0]:
                    y = a1*(pos2[0]-n)+b1
                    p3 = (pos2[0]-n, y)
                else:
                    y = a1*(pos2[0]+n)+b1
                    p3 = (pos2[0]+n, y)
            else:
                p1 = (pos2[0], pos2[1]+n)
                p2 = (pos2[0], pos2[1]-n)
                if pos1[0]>pos2[0]:
                    p3 = (pos2[0]-n, pos2[1])
                else:
                    p3 = (pos2[0]+n, pos2[1])
        else:
            p1 = (pos2[0]-n, pos2[1])
            p2 = (pos2[0]+n, pos2[1])
            if pos1[1]>pos2[1]:
                p3 = (pos2[0], pos2[1]-n)
            else:
                p3 = (pos2[0], pos2[1]+n)

        pygame.draw.polygon(self.search, pygame.Color(255,0,0), (p1,p2,p3))
        self.window.blit(self.search, (0,0))
        pygame.display.update()