import pygame
import time
import random

from area.constants import WIDTH, HEIGHT, TILE_SIZE
from area.field import drawWindow
from area.tractor import Tractor, do_actions
from area.field import tiles, fieldX, fieldY
from area.field import get_tile_coordinates
from ground import Dirt
from plant import Plant
from bfs import graphsearch, Istate, succ
from astar import a_star
WIN = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption('Intelligent tractor')


def main():
    run = True
    window = drawWindow(WIN)
    pygame.display.update()

#getting coordinates of our "goal tile":
    tile_index=127
    tile_x, tile_y = get_tile_coordinates(tile_index)
    if tile_x is not None and tile_y is not None:
        print(f"Coordinates of tile {tile_index} are: ({tile_x}, {tile_y})")
    else: print("Such tile does not exist")

    #mark the goal tile:
    tiles[tile_index].image = "resources/images/sampling_goal.png"
    image = pygame.image.load(tiles[tile_index].image).convert()
    image = pygame.transform.scale(image, (TILE_SIZE, TILE_SIZE))
    WIN.blit(image, (tiles[tile_index].x, tiles[tile_index].y))
    pygame.display.flip()


#graphsearch activation:
    istate = Istate(170, 100, 2)  #initial state

    goaltest = []                 
    goaltest.append(tile_x)       #final state (consists of x and y because direction doesnt matter)
    goaltest.append(tile_y)

    tractor = Tractor(0*TILE_SIZE, 0*TILE_SIZE, 2, None, None)
    tractor.rect.x += fieldX  
    tractor.rect.y += fieldY 
    tractor.tractor_start = ((istate.get_x(), istate.get_y()))
    #tractor.tractor_start = ((istate.get_x(), istate.get_y(), istate.get_direction))
    tractor.tractor_end = ((goaltest[0], goaltest[1]))

    #moves = (graphsearch(istate, succ, goaltest, tractor))
    moves = (a_star(istate, succ, goaltest, tractor))
    print(moves)



#main loop:    
    while run:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                run = False

        #small test of work_on_field method:        
        time.sleep(1)
        tile1 = tiles[0]
        p1 = Plant('wheat', 'cereal', random.randint(1,100), random.randint(1,100), random.randint(1,100))      
        d1 = Dirt(random.randint(1, 100), random.randint(1,100))
        d1.pests_and_weeds()
        tile1.ground=d1
        
        #movement based on route-planning (test):

        tractor.draw_tractor(WIN)
        time.sleep(1)
        if moves != False:
            do_actions(tractor, WIN, moves)

        tractor.work_on_field(tile1, d1, p1)
        time.sleep(30)
        print("\n")


main()