class_name HalitosisCard extends Card

const EFFECT_RADIUS = 1
var valid = false;
func _init():
    duration = 3
    super._init()
    cardName = "Halitosis"
    rank = Rank.RANK_2
    effectType = EffectType.PIECE_EFFECT
    description = "All enemy units within 1 radius of the moving piece at the end of the turn are pushed back"
    unitWhitelist = ["Pawn", "Knight", "King"]
    remaining_turns = duration
    is_default = false

func reset():
    remaining_turns = duration
    valid = false

func apply_effect(target_piece = null, board_flow = null, game_state = null):
    print("HALITOSIS apply_effect", target_piece)
    attached_piece = target_piece
    stored_board_flow = board_flow
    stored_game_state = game_state
    if !target_piece or !board_flow or !game_state:
        print(cardName, " missing input param ")
        return false
    setup_persistent_effect(game_state)
    # dont apply on card attachment
    if !valid:
        print("HALITOSIS apply_effect INVALID", )
        return true
    var piece_pos = target_piece.get_parent().name.split("-")
    var piece_x = int(piece_pos[0])
    var piece_y = int(piece_pos[1])
    
    var tiles_to_check = []
    for dx in range(-EFFECT_RADIUS, EFFECT_RADIUS + 1):
        for dy in range(-EFFECT_RADIUS, EFFECT_RADIUS + 1):
            if max(abs(dx), abs(dy)) > EFFECT_RADIUS:
                continue
                
            var target_x = piece_x + dx
            var target_y = piece_y + dy
            
            if target_x < 0 or target_x >= game_state.boardXSize or target_y < 0 or target_y >= game_state.boardYSize:
                continue
                
            if dx == 0 and dy == 0:
                continue
                
            tiles_to_check.append(str(target_x) + "-" + str(target_y))
    
    # Process tiles and add overlay
    for tile_name in tiles_to_check:
        var container = board_flow.get_node(tile_name) as PieceContainer
        
        # Handle overlay through container's overlay management
        container.remove_overlay("HalitosisOverlay")
        
        var overlay = ColorRect.new()
        overlay.name = "HalitosisOverlay"
        overlay.color = Color(0.5, 0.7, 1, 0.3)  # Blue-ish 
        overlay.size = container.size
        overlay.mouse_filter = Control.MOUSE_FILTER_IGNORE
        container.add_overlay(overlay)
        overlay.show()
        
        # Check for pieces to affect
        var piece = container.get_piece()
        if piece != null and piece.Item_Color != target_piece.Item_Color:
            # Calculate the direction to push
            var push_dir_x = piece_x - int(tile_name.split("-")[0])
            var push_dir_y = piece_y - int(tile_name.split("-")[1])
            
            # Normalize the direction vector
            var length = sqrt(push_dir_x * push_dir_x + push_dir_y * push_dir_y)
            if length > 0:
                push_dir_x = round(push_dir_x / length)
                push_dir_y = round(push_dir_y / length)
            
            # Calculate target cell to push to
            var push_target_x = int(int(tile_name.split("-")[0]) - push_dir_x)
            var push_target_y = int(int(tile_name.split("-")[1]) - push_dir_y)
            var push_target = str(push_target_x) + "-" + str(push_target_y)
            print("HALITSOSES ", tile_name, " ",  push_target)
            # Check if target is valid and empty
            if push_target_x >= 0 and push_target_x < game_state.boardXSize and push_target_y >= 0 and push_target_y < game_state.boardYSize:
                var target_container = board_flow.get_node(push_target) as PieceContainer
                if target_container and !target_container.has_piece():
                    # Animate the push
                    target_container.animate_movement(container, piece)
                else:
                    # If we can't push (blocked), capture the piece instead
                    # game_state.updatePointsAndCapture(piece)
                    print("Blocked should we capture?")
            else:
                print("Off Board should we capture?")
                # If push would be off the board, capture the piece
                # game_state.updatePointsAndCapture(piece)
    
    # Setup timer to remove overlays
    var timer = Timer.new()
    board_flow.add_child(timer)
    timer.wait_time = 1
    timer.one_shot = true
    timer.timeout.connect(func(): 
        for tile_name in tiles_to_check:
            var tile = board_flow.get_node(tile_name)
            var overlay = tile.get_node_or_null("HalitosisOverlay")
            if overlay:
                overlay.queue_free()
        timer.queue_free()
    )
    timer.start()
    
    return true

func setup_persistent_effect(game_state):
    # Connect to the turn change signal if not already connected
    if !game_state.is_connected("turn_changed", on_turn_changed):
        game_state.connect("turn_changed", on_turn_changed)
    
func on_turn_changed():
    print("TURN CHANGED ==================", stored_game_state.isPlayerTurn())
    if stored_game_state.stateMachine.disabled:
        return

    if stored_game_state.isPlayerTurn() and attached_piece and remaining_turns > 0:
        var piece = attached_piece
        var flow = stored_board_flow
        var state = stored_game_state
        
        # Now try apply_effect with these values
        valid = true
        apply_effect(piece, flow, state)

func remove_effect():
    if attached_piece:
        var game_state = stored_game_state
        if game_state.is_connected("turn_changed", on_turn_changed):
            game_state.disconnect("turn_changed", on_turn_changed)
    super.remove_effect()