from crop_protection_product import CropProtectionProduct
from area.constants import TILE_SIZE, DIRECTION_EAST, DIRECTION_SOUTH, DIRECTION_WEST, DIRECTION_NORTH
from area.field import fieldX, fieldY, tiles
import pygame
import time


class Tractor:
    x = None
    y = None
    direction = None #direction takes values in the range of 1 to 4 (1->North, 2->East etc...)
    image = None
    cypermetryna = CropProtectionProduct("pests", "cereal")
    diflufenikan = CropProtectionProduct("weeds", "cereal")
    spirotetramat = CropProtectionProduct("pests", "fruit")
    oksadiargyl = CropProtectionProduct("weeds", "fruit")
    spinosad = CropProtectionProduct("pests", "vegetable")
    metazachlor = CropProtectionProduct("weeds", "vegetable")
# etc

    def __init__(self, x, y, direction, tractor_start, tractor_end):
        self.x = x
        self.y = y

        self.rect = pygame.Rect(x, y, TILE_SIZE, TILE_SIZE)

        self.direction = direction
        self.image = pygame.image.load('resources/images/tractor_right.png').convert_alpha()

        self.tractor_start = tractor_start  #important for bfs - prevents from spawning obstacles on these positions
        self.tractor_end = tractor_end      #

        if (self.direction==1):
            self.image = pygame.image.load('resources/images/tractor_up.png').convert_alpha()
        elif (self.direction==3):
            self.image = pygame.image.load('resources/images/tractor_down.png').convert_alpha()
        elif (self.direction==4):
            self.image = pygame.image.load('resources/images/tractor_left.png').convert_alpha()
        

    def work_on_field(self, tile, ground, plant1):
        if plant1 is None:
            tile.randomizeContent()
            # sprobuj zasadzic cos
            print("Tarctor planted something")
        elif plant1.growth_level == 100:
            tile.plant = None
            ground.nutrients_level -= 40
            ground.water_level -= 40
            print("Tractor collected something")
        else:
            plant1.try_to_grow(50,50) #mozna dostosowac jeszcze
            ground.nutrients_level -= 11
            ground.water_level -= 11
        if ground.pest:
            # traktor pozbywa sie szkodnikow
            if plant1.plant_type == self.cypermetryna.plant_type:
                t = "Tractor used Cypermetryna"
            elif plant1.plant_type == self.spirotetramat.plant_type:
                t = "Tractor used Spirotetramat"
            elif plant1.plant_type == self.spinosad.plant_type:
                t = "Tractor used Spinosad"
            print(t)
            ground.pest = False
        if ground.weed:
            # traktor pozbywa się chwastow
            if plant1.plant_type == self.diflufenikan.plant_type:
                t = "Tractor used Diflufenikan"
            elif plant1.plant_type == self.oksadiargyl.plant_type:
                t = "Tractor used Oksadiargyl"
            elif plant1.plant_type == self.metazachlor.plant_type:
                t = "Tractor used Metazachlor"
            print(t)
            ground.weed = False
        if ground.water_level < plant1.water_requirements:
            ground.water_level += 20
            print("Tractor watered the plant")
        if ground.nutrients_level < plant1.nutrients_requirements:
            ground.nutrients_level += 20
            print("Tractor added some nutrients")



    def move(self):
        if self.direction == DIRECTION_EAST:
            self.rect.x += TILE_SIZE

        elif self.direction == DIRECTION_WEST:
            self.rect.x -= TILE_SIZE

        elif self.direction == DIRECTION_NORTH:
            self.rect.y -= TILE_SIZE
        
        elif self.direction == DIRECTION_SOUTH:
            self.rect.y += TILE_SIZE

    
    def rotate_to_right(self):
        if self.direction == 4:
            self.direction = 1
        else:
            self.direction += 1
        self.image = pygame.transform.rotate(self.image, -90)

    
    def rotate_to_left(self):
        if self.direction == 1:
            self.direction = 4
        else:
            self.direction -= 1
        self.image = pygame.transform.rotate(self.image, 90)

    #checks if we can move further and if we won't get out of boundaries - for bfs:
    def can_it_move_node(node):
        if node.get_direction() == DIRECTION_EAST and node.get_x() + TILE_SIZE < 830:  #last tile on the west has y:797
            return "move east"
        elif node.get_direction() == DIRECTION_WEST and node.get_x() - TILE_SIZE >=fieldX:
            return "move west"
        elif node.get_direction() == DIRECTION_NORTH and node.get_y() - TILE_SIZE >=fieldY:
            return "move north"
        elif node.get_direction() == DIRECTION_SOUTH and node.get_y() + TILE_SIZE < 760: #last tile on the south has y:727
            return "move south"
        else:
            return False
        

    #checks if there's an obstacle on the given coordinates (important for bfs):
    def is_obstacle(self, x, y):
        for tile in tiles:
            if tile.x == x and tile.y == y:
                ground = tile.ground
                if ground.obstacle and self.tractor_start != (x, y) and self.tractor_end != (x,y):
                    return True
        return False


    def draw_tractor(self, win):

        imageTractor = pygame.transform.scale(self.image, (TILE_SIZE, TILE_SIZE))
        win.blit(imageTractor, (self.rect.x, self.rect.y))
        pygame.display.flip()
        
#translates move_list generated by bfs into the actual movement:
def do_actions(tractor, WIN, move_list):
    trail = pygame.image.load("resources/images/background.jpg").convert_alpha()
    trail = pygame.transform.scale(trail, (TILE_SIZE, TILE_SIZE))
    
    pygame.display.update()
    for move in move_list:
        WIN.blit(trail, (tractor.rect.x, tractor.rect.y, TILE_SIZE, TILE_SIZE))
        if move == "move":
            tractor.move()            
        elif move == "rotate_right":
            tractor.rotate_to_right()
        elif move == "rotate_left":
            tractor.rotate_to_left()
        tractor.draw_tractor(WIN)
        pygame.display.update()
        time.sleep(1)