import pygame
import prefs
class Agent:
    def __init__(self, x, y, cells, baseScore=0):
        self.sprite = pygame.image.load("sprites/BartenderNew64.png").convert_alpha()
        self.sprite = pygame.transform.scale(self.sprite, (prefs.CELL_SIZE, prefs.CELL_SIZE))
        self.current_cell = cells[x][y]
        self.moved=False
        self.last_move_time = pygame.time.get_ticks()
        self.last_interact_time = pygame.time.get_ticks()
        self.last_update_time = pygame.time.get_ticks()
        self.cells = cells
        self.score = baseScore
        self.multiplier = 1

    def move_up(self):
        if pygame.time.get_ticks()-self.last_move_time > 125 and self.current_cell.Y > 0 and not self.cells[self.current_cell.X][self.current_cell.Y-1].blocking_movement:
            self.current_cell = self.cells[self.current_cell.X][self.current_cell.Y-1]
            self.moved=True
            self.last_move_time=pygame.time.get_ticks()

    def move_down(self):
        if pygame.time.get_ticks()-self.last_move_time > 125 and self.current_cell.Y < prefs.GRID_SIZE-1 and not self.cells[self.current_cell.X][self.current_cell.Y+1].blocking_movement:
            self.current_cell = self.cells[self.current_cell.X][self.current_cell.Y+1]
            self.moved=True
            self.last_move_time=pygame.time.get_ticks()

    def move_left(self):
        if pygame.time.get_ticks()-self.last_move_time > 125 and self.current_cell.X > 0 and not self.cells[self.current_cell.X-1][self.current_cell.Y].blocking_movement:
            self.current_cell = self.cells[self.current_cell.X-1][self.current_cell.Y]
            self.moved=True
            self.last_move_time=pygame.time.get_ticks()

    def move_right(self):
        if pygame.time.get_ticks()-self.last_move_time > 125 and self.current_cell.X < prefs.GRID_SIZE-1 and not self.cells[self.current_cell.X+1][self.current_cell.Y].blocking_movement:
            self.current_cell = self.cells[self.current_cell.X+1][self.current_cell.Y]
            self.moved=True
            self.last_move_time=pygame.time.get_ticks()

    def update(self, surface):
        surface.blit(self.sprite, (self.current_cell.X * prefs.CELL_SIZE, 
                                   self.current_cell.Y * prefs.CELL_SIZE))
        
        current_update_time = pygame.time.get_ticks()
        # różnca czasu między wyoływaniami, używa do uniezależnienia od ilości wywołań funkcji
        delta_time = ((current_update_time - self.last_update_time)/1000)
        self.increase_multiplier(-(1 / 16) * delta_time)

                
                
        self.last_update_time = current_update_time

    def increase_score(self, amount):
        self.score += amount * round(self.multiplier,2)
        print("Agent score changed from {} to {} (multiplied by {}!)".format(self.score - amount, self.score, round(self.multiplier,2)))

    def increase_multiplier(self, amount):
        self.multiplier += amount
        if self.multiplier > 2: 
            self.multiplier = 2
            print("Agent score changed from {} to {}".format(self.multiplier , self.multiplier + amount  if self.multiplier + amount <= 2 else 2))
            return
        if self.multiplier < 1: 
            self.multiplier = 1