import arcade
from desktop_Platform import *

def desktop_loadTextures(p):
  texs = []
  for (id, td) in enumerate(p.c.textureDescriptions):
    tex = arcade.load_texture(
      td.fileName,
      x = td.x,
      y = td.y,
      width = td.width,
      height = td.height
    )
    texs.append(tex)
  #}
  p.textures = texs
#}

def desktop_createDeselectedTiles(p):
  for (id, pos) in enumerate(p.c.tilePositions):
    tile = arcade.AnimatedTimeBasedSprite()
    p.deselectedTiles.append(tile)
    p.sprites.append(tile)

    tile.guid = id
    tile.texture = p.textures[0]
    # Animation between two textures.
    a1 = arcade.sprite.AnimationKeyframe(0, 700, p.textures[0])
    a2 = arcade.sprite.AnimationKeyframe(1, 700, p.textures[1])
    tile.frames.append(a1)
    tile.frames.append(a2)
    # Position.
    tile.left = pos[0]
    tile.top = pos[1]
  #}
#}

def desktop_createSelectedTiles(p):
  for (id, pos) in enumerate(p.c.tilePositions):
    tile = arcade.Sprite()
    p.selectedTiles.append(tile)
    p.sprites.append(tile)

    tile.guid = id
    tile.texture = p.textures[2]
    # Position.
    tile.left = pos[0]
    tile.top = pos[1]
    # Invisible by default.
    tile.visible = False
  #}
#}

# Hide deselected tile and show selected one
#
# Conditions:
# 1. tile has just been selected
def desktop_displaySelectedTile(p):
  if (
    p.c.recentField == "selectedId"
  ):
    id = p.c.selectedId
    p.deselectedTiles[id].visible = False
    p.selectedTiles[id].visible = True
  #}
#}

# Hide matching tiles
#
# Conditions:
# 1. Time to hide matching items
def desktop_hideMatchingTiles(p):
  if (
    p.c.recentField == "hideMatchingTiles"
  ):
    for id in p.c.hiddenItems:
      p.deselectedTiles[id].visible = False
      p.selectedTiles[id].visible = False
    #}
  #}
#}

# Postpone hiding of matching tiles for better UX
#
# Conditions:
# 1. a pair of tiles has been matched
def desktop_scheduleHidingOfMatchingTiles(p):
  if (
    p.c.recentField == "hiddenItems"
  ):
    p.sequentialTimer.schedule("hideMatchingTiles", True, p.c.hideMatchingTilesDelay)
  #}
#}