#   create a field here : 1: add tiles, 2: place them
import pygame

from area.constants import WIDTH,HEIGHT,FIELD_WIDTH,FIELD_HEIGHT,TILE_SIZE,GREY,ROWS,COLS
from area.tractor import Tractor
from tile import Tile

tiles = []
tractor = Tractor(0*TILE_SIZE, 0*TILE_SIZE)
fieldX = (WIDTH-FIELD_WIDTH)/2
# in center of the screen
fieldY = 100

# move field elements to field position

def positionFieldElements():
    for t in tiles:
        t.x += fieldX
        t.y += fieldY
    tractor.x += fieldX
    tractor.y += fieldY

def createTiles():
    for y in range(0, COLS):
        for x in range(0, ROWS):
            tile = Tile(x*TILE_SIZE, y*TILE_SIZE)
            tile.randomizeContent()
            tiles.append(tile)
    positionFieldElements()

def createField(win):
    createTiles()
    for t in tiles:
        image = pygame.image.load(t.image).convert()
        image = pygame.transform.scale(image, (TILE_SIZE, TILE_SIZE))
        win.blit(image, (t.x, t.y))
        pygame.display.flip()
    imageTractor = pygame.image.load(tractor.image).convert_alpha()
    imageTractor = pygame.transform.scale(imageTractor, (TILE_SIZE, TILE_SIZE))
    win.blit(imageTractor, (tractor.x, tractor.y))
    pygame.display.flip()

def drawWindow(win):
    win.fill(GREY)
    createField(win)