class_name TileManager
extends Node

var active_tiles: Dictionary = {}  # location: Tile
var board_flow: FlowContainer
var game: ChessGame
const PortalTile = preload("res://Systems/Tiles/Portal.gd")
func _init(flow: FlowContainer = null, chess_game: ChessGame = null) -> void:
    if flow:
        initialize(flow)
    
    game = chess_game

func initialize(flow: FlowContainer) -> void:
    board_flow = flow
    clear_tiles()

func add_tile(location: String, tile: Tile) -> void:
    if !board_flow:
        push_error("TileManager not initialized with board_flow")
        return
        
    var container = board_flow.get_node_or_null(location) as PieceContainer
    if !container:
        push_error("Container not found at location: " + location)
        return
        
    # Remove any existing tile
    remove_tile(location)
    
    tile.game = game
    # Add new tile
    active_tiles[location] = tile
    tile.effect_expired.connect(func(): remove_tile(location))
    tile.update_appearance()

func remove_tile(location: String) -> void:
    if active_tiles.has(location):
        var tile = active_tiles[location]
        tile.restore_base_appearance()
        active_tiles.erase(location)

func get_tile(location: String) -> Tile:
    return active_tiles.get(location, null)

func update_tile_durations() -> void:
    if active_tiles.is_empty():
        return
        
    var expired_locations = []
    var locations = active_tiles.keys()
    for location in locations:
        var tile = active_tiles[location]
        tile.update_duration()
        if !tile.is_effect_active():
            expired_locations.append(location)
    
    for location in expired_locations:
        remove_tile(location)

func apply_tile_effects() -> void:
    if active_tiles.is_empty():
        return
        
    for location in active_tiles:
        var tile = active_tiles[location]
        var container = board_flow.get_node(location) as PieceContainer
        if container && container.has_piece():
            var piece = container.get_piece()
            if tile.can_affect_piece(piece):
                tile.apply_effect(piece)

func clear_tiles() -> void:
    var locations = active_tiles.keys()
    for location in locations:
        remove_tile(location)

# Function to place random game tiles at the start of each match
func place_random_game_tiles(num_tiles: int = 6) -> void:
    if !board_flow:
        push_error("TileManager not initialized with board_flow")
        return
        
    var available_positions = []
    for x in range(game.boardXSize):
        for y in range(game.boardYSize):
            if y > 1 && y < 6:  # Don't place on starting rows
                available_positions.append(str(x) + "-" + str(y))
                
    available_positions.shuffle()


    for i in range(min(num_tiles, available_positions.size())):
        var pos = available_positions[i]
        var container = board_flow.get_node(pos) as PieceContainer
        if !container:
            continue
            
        var is_white = (int(pos.split("-")[0]) + int(pos.split("-")[1])) % 2 == 0

        # Randomly choose a tile type
        var rng = RandomNumberGenerator.new()
        rng.randomize()
        var tile_type = rng.randi() % 3

        var tile: Tile
        match tile_type:
            0:  # Wall tile
                # tile = WallTile.new(container, is_white, -1)
                # add_tile(pos, tile)
                continue
            1:  # Double Wall
                # tile = DoubleWallTile.new(container, is_white, -1)
                # add_tile(pos, tile)
                continue
            2:  # Portal pair
                # Only create portal pair if this isn't the last tile
                if i < available_positions.size() - 1:
                    var next_pos = available_positions[i + 1]
                    var next_container = board_flow.get_node(next_pos) as PieceContainer
                    if next_container:
                        var next_is_white = (int(next_pos.split("-")[0]) + int(next_pos.split("-")[1])) % 2 == 0
                        
                        # Create portal pair with alternating blue/orange colors
                        # var portal_color = Color.ORANGE if (i % 2 == 0) else Color.BLUE
                        var portals = PortalTile.create_portal_pair(
                            container, is_white,
                            next_container, next_is_white,
                            -1,  # permanent duration
                            i,   # pair id
                            Color.ORANGE,
                            Color.BLUE
                        )
                        
                        # Add both portals
                        add_tile(pos, portals[0])
                        add_tile(next_pos, portals[1])
                        
                        # Skip the next position since we used it for the portal pair
                        i += 1
                else:
                    # If we can't make a pair, fall back to a wall tile
                    tile = WallTile.new(container, is_white, -1)
                    add_tile(pos, tile)

# func place_portal_pair(location1: String, location2: String, duration: int = -1) -> void:
#     var container1 = board_flow.get_node(location1) as PieceContainer
#     var container2 = board_flow.get_node(location2) as PieceContainer
    
#     if container1 && container2:
#         var is_white1 = (int(location1.split("-")[0]) + int(location1.split("-")[1])) % 2 == 0
#         var is_white2 = (int(location2.split("-")[0]) + int(location2.split("-")[1])) % 2 == 0
        
#         # Generate a unique color for this pair
#         var portal_color = Color(randf(), randf(), 1.0)  # Blue-ish random color
        
#         # Create portal pair
#         var portals = PortalTile.create_portal_pair(
#             container1, is_white1,
#             container2, is_white2,
#             duration,
#             active_tiles.size(),  # Use current size as unique pair ID
#             portal_color
#         )
        
#         # Add both portals to active tiles
#         add_tile(location1, portals[0])
#         add_tile(location2, portals[1])