extends Node3D

## Main - Root scene that coordinates the game

# Components
var table_setup: TableSetup
var game_ui: GameUI
var hand_display: HandDisplay
var hand_layer: CanvasLayer
var action_log: ActionLog
var choice_modal: ChoiceModal

# Player damage displays
var damage_displays: Array[DamageDisplay] = []

# Deck configurations (set by GameController before game starts)
var player1_deck: Array = []
var player2_deck: Array = []

# AI settings (set by GameController before game starts)
var is_vs_ai: bool = false
var ai_difficulty: int = AIStrategy.Difficulty.NORMAL
var ai_controller: AIController = null
var ai_player_index: int = 1  # AI is always Player 2

# Online game settings (set by GameController before game starts)
var is_online_game: bool = false
var online_game_data: Dictionary = {}
var local_player_index: int = 0
var online_game_id: String = ""
var opponent_info: Dictionary = {}
var turn_timer_label: Label = null

func _ready() -> void:
	_setup_table()
	_setup_ui()
	_connect_signals()

	# Start game when ready
	if GameManager.is_initialized:
		_start_game()
	else:
		GameManager.game_ready.connect(_start_game)

func _setup_table() -> void:
	table_setup = TableSetup.new()
	add_child(table_setup)

	# Connect table signals
	table_setup.card_clicked.connect(_on_table_card_clicked)

func _setup_ui() -> void:
	# Main game UI overlay (has its own CanvasLayer)
	game_ui = GameUI.new()
	game_ui.layer = 10  # Base UI layer
	add_child(game_ui)

	# Action log (collapsible panel on right side)
	var log_layer = CanvasLayer.new()
	log_layer.layer = 12  # Above other UI
	add_child(log_layer)

	action_log = ActionLog.new()
	log_layer.add_child(action_log)
	# Position on right side of screen
	action_log.set_anchors_preset(Control.PRESET_CENTER_RIGHT)
	action_log.offset_left = -290
	action_log.offset_right = -10
	action_log.offset_top = -200
	action_log.offset_bottom = 200

	# Connect undo signal
	action_log.undo_requested.connect(_on_undo_requested)

	# Connect to GameManager undo signals
	GameManager.undo_available_changed.connect(_on_undo_available_changed)

	# Ensure ActionLog connects to GameManager after it's in the tree
	action_log.call_deferred("_connect_game_manager_signals")

	# Hand display needs its own CanvasLayer to render on top of 3D
	hand_layer = CanvasLayer.new()
	hand_layer.layer = 11  # Above the game UI
	add_child(hand_layer)

	# Container for hand at bottom of screen - must fill the viewport
	var hand_container = Control.new()
	hand_layer.add_child(hand_container)
	hand_container.set_anchors_preset(Control.PRESET_FULL_RECT)
	hand_container.mouse_filter = Control.MOUSE_FILTER_IGNORE

	# Hand display positioned at bottom - use explicit positioning
	hand_display = HandDisplay.new()
	hand_container.add_child(hand_display)

	# Position at bottom of screen with explicit coordinates
	# We'll update position in _process or use a deferred call after container is sized
	call_deferred("_position_hand_display")

	hand_display.card_action_requested.connect(_on_hand_card_action)
	hand_display.card_hovered.connect(_on_hand_card_hovered)
	hand_display.card_unhovered.connect(_on_hand_card_unhovered)
	hand_display.card_selected.connect(_on_hand_card_selected)
	hand_display.hand_minimized_changed.connect(_on_hand_minimized_changed)

	# Create damage displays (positioned by 3D camera overlay later)
	for i in range(2):
		var damage_display = DamageDisplay.new()
		damage_displays.append(damage_display)

	# Choice modal for multi-modal ability choices (layer 200 - highest priority)
	choice_modal = ChoiceModal.new()
	add_child(choice_modal)

	# Connect choice modal to AbilitySystem autoload
	if AbilitySystem:
		AbilitySystem.choice_modal = choice_modal

func _position_hand_display() -> void:
	var viewport = get_viewport()
	if viewport:
		# get_visible_rect() gives the coordinate space for 2D content
		# With canvas_items + expand, this is the expanded design space
		var vp_size = viewport.get_visible_rect().size
		var is_min = hand_display and hand_display.is_minimized

		var card_height = 273.0
		if is_min:
			# Minimized: push cards down so only the top portion peeks up
			var peek_height = 65.0  # How much of the card top is visible
			hand_display.position = Vector2(10, vp_size.y - peek_height)
			hand_display.size = Vector2(vp_size.x - 20, card_height + 25.0)
		else:
			# Full hand: cards at the bottom of the screen
			var hand_height = card_height + 25.0  # Extra space for hover lift
			var bottom_offset = 10.0
			hand_display.position = Vector2(10, vp_size.y - bottom_offset - card_height)
			hand_display.size = Vector2(vp_size.x - 20, hand_height)

		if not viewport.size_changed.is_connected(_on_viewport_resized):
			viewport.size_changed.connect(_on_viewport_resized)

func _on_viewport_resized() -> void:
	var viewport = get_viewport()
	if viewport and hand_display:
		_position_hand_display()

func _on_hand_minimized_changed(_minimized: bool) -> void:
	_position_hand_display()

func _connect_signals() -> void:
	# GameManager signals
	GameManager.game_started.connect(_on_game_started)
	GameManager.game_ended.connect(_on_game_ended)
	GameManager.turn_changed.connect(_on_turn_changed)
	GameManager.phase_changed.connect(_on_phase_changed)
	GameManager.damage_dealt.connect(_on_damage_dealt)

	# Field card action signal (deferred to ensure game_ui is ready)
	call_deferred("_connect_field_card_signals")

	# Connect attack signal for AI blocking (deferred to ensure game_state exists)
	call_deferred("_connect_attack_signal")


# ======= ONLINE GAME SETUP =======

func setup_online_game(game_data: Dictionary) -> void:
	is_online_game = true
	online_game_data = game_data
	online_game_id = game_data.get("game_id", "")
	local_player_index = game_data.get("your_player_index", 0)
	opponent_info = game_data.get("opponent", {})

	print("Setting up online game: ", online_game_id)
	print("Local player index: ", local_player_index)
	print("Opponent: ", opponent_info.get("username", "Unknown"))

	# Connect network signals
	_connect_network_signals()

	# Create turn timer UI
	_create_turn_timer_ui()

	# Create opponent info UI
	_create_opponent_info_ui()


func _connect_network_signals() -> void:
	if not NetworkManager:
		return

	# Game events
	if not NetworkManager.opponent_action_received.is_connected(_on_opponent_action):
		NetworkManager.opponent_action_received.connect(_on_opponent_action)

	if not NetworkManager.turn_timer_update.is_connected(_on_turn_timer_update):
		NetworkManager.turn_timer_update.connect(_on_turn_timer_update)

	if not NetworkManager.phase_changed.is_connected(_on_network_phase_changed):
		NetworkManager.phase_changed.connect(_on_network_phase_changed)

	if not NetworkManager.action_confirmed.is_connected(_on_action_confirmed):
		NetworkManager.action_confirmed.connect(_on_action_confirmed)

	if not NetworkManager.action_failed.is_connected(_on_action_failed):
		NetworkManager.action_failed.connect(_on_action_failed)

	if not NetworkManager.opponent_disconnected.is_connected(_on_opponent_disconnected):
		NetworkManager.opponent_disconnected.connect(_on_opponent_disconnected)

	if not NetworkManager.opponent_reconnected.is_connected(_on_opponent_reconnected):
		NetworkManager.opponent_reconnected.connect(_on_opponent_reconnected)

	if not NetworkManager.game_state_sync.is_connected(_on_game_state_sync):
		NetworkManager.game_state_sync.connect(_on_game_state_sync)


func _disconnect_network_signals() -> void:
	if not NetworkManager:
		return

	if NetworkManager.opponent_action_received.is_connected(_on_opponent_action):
		NetworkManager.opponent_action_received.disconnect(_on_opponent_action)

	if NetworkManager.turn_timer_update.is_connected(_on_turn_timer_update):
		NetworkManager.turn_timer_update.disconnect(_on_turn_timer_update)

	if NetworkManager.phase_changed.is_connected(_on_network_phase_changed):
		NetworkManager.phase_changed.disconnect(_on_network_phase_changed)

	if NetworkManager.action_confirmed.is_connected(_on_action_confirmed):
		NetworkManager.action_confirmed.disconnect(_on_action_confirmed)

	if NetworkManager.action_failed.is_connected(_on_action_failed):
		NetworkManager.action_failed.disconnect(_on_action_failed)

	if NetworkManager.opponent_disconnected.is_connected(_on_opponent_disconnected):
		NetworkManager.opponent_disconnected.disconnect(_on_opponent_disconnected)

	if NetworkManager.opponent_reconnected.is_connected(_on_opponent_reconnected):
		NetworkManager.opponent_reconnected.disconnect(_on_opponent_reconnected)

	if NetworkManager.game_state_sync.is_connected(_on_game_state_sync):
		NetworkManager.game_state_sync.disconnect(_on_game_state_sync)


func _create_turn_timer_ui() -> void:
	# Create turn timer label
	turn_timer_label = Label.new()
	turn_timer_label.text = "2:00"
	turn_timer_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	turn_timer_label.add_theme_font_size_override("font_size", 28)
	turn_timer_label.add_theme_color_override("font_color", Color.WHITE)

	# Position at top center
	turn_timer_label.set_anchors_preset(Control.PRESET_CENTER_TOP)
	turn_timer_label.offset_top = 10
	turn_timer_label.offset_bottom = 50
	turn_timer_label.offset_left = -50
	turn_timer_label.offset_right = 50

	if game_ui:
		game_ui.add_child(turn_timer_label)


func _create_opponent_info_ui() -> void:
	# Create opponent info label (next to timer)
	var opponent_label = Label.new()
	opponent_label.name = "OpponentInfo"
	opponent_label.text = "vs %s (ELO: %d)" % [
		opponent_info.get("username", "Unknown"),
		opponent_info.get("elo", 1000)
	]
	opponent_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	opponent_label.add_theme_font_size_override("font_size", 18)
	opponent_label.add_theme_color_override("font_color", Color(0.8, 0.8, 0.8))

	# Position below timer
	opponent_label.set_anchors_preset(Control.PRESET_CENTER_TOP)
	opponent_label.offset_top = 45
	opponent_label.offset_bottom = 70
	opponent_label.offset_left = -150
	opponent_label.offset_right = 150

	if game_ui:
		game_ui.add_child(opponent_label)


# ======= ONLINE GAME HELPERS =======

func _is_local_player_turn() -> bool:
	if not is_online_game:
		return true
	if not GameManager.game_state:
		return true
	return GameManager.game_state.turn_manager.current_player_index == local_player_index


func _can_perform_local_action() -> bool:
	if not is_online_game:
		return true
	return _is_local_player_turn()


# ======= NETWORK EVENT HANDLERS =======

func _on_opponent_action(action_data: Dictionary) -> void:
	var action_type = action_data.get("action_type", "")
	var payload = action_data.get("payload", {})

	print("Received opponent action: ", action_type)

	match action_type:
		"play_card":
			_apply_opponent_play_card(payload)
		"attack":
			_apply_opponent_attack(payload)
		"block":
			_apply_opponent_block(payload)
		"pass":
			_apply_opponent_pass()
		"discard_cp":
			_apply_opponent_discard_cp(payload)
		"dull_backup_cp":
			_apply_opponent_dull_backup_cp(payload)
		"attack_resolved":
			_apply_opponent_attack_resolved()
		_:
			print("Unknown opponent action: ", action_type)

	# Update visuals after opponent action
	_sync_visuals()
	_update_hand_display()
	_update_cp_display()


func _apply_opponent_play_card(payload: Dictionary) -> void:
	var card_instance_id = payload.get("card_instance_id", 0)
	# Find the card in opponent's hand and play it
	# For online, we trust the server - the opponent's hand is hidden anyway
	# Just sync visuals when server confirms
	print("Opponent played card: ", card_instance_id)


func _apply_opponent_attack(payload: Dictionary) -> void:
	var attacker_instance_id = payload.get("attacker_instance_id", 0)
	print("Opponent declared attack with card: ", attacker_instance_id)
	# Find attacker and apply attack declaration
	# The server will handle phase changes


func _apply_opponent_block(payload: Dictionary) -> void:
	var blocker_instance_id = payload.get("blocker_instance_id", null)
	if blocker_instance_id == null:
		print("Opponent chose not to block")
	else:
		print("Opponent declared block with card: ", blocker_instance_id)


func _apply_opponent_pass() -> void:
	print("Opponent passed priority")
	# Server handles phase advancement


func _apply_opponent_discard_cp(payload: Dictionary) -> void:
	var card_instance_id = payload.get("card_instance_id", 0)
	print("Opponent discarded card for CP: ", card_instance_id)


func _apply_opponent_dull_backup_cp(payload: Dictionary) -> void:
	var card_instance_id = payload.get("card_instance_id", 0)
	print("Opponent dulled backup for CP: ", card_instance_id)


func _apply_opponent_attack_resolved() -> void:
	print("Attack resolved")


func _on_turn_timer_update(seconds_remaining: int) -> void:
	if turn_timer_label:
		var minutes = seconds_remaining / 60
		var secs = seconds_remaining % 60
		turn_timer_label.text = "%d:%02d" % [minutes, secs]

		# Color based on time remaining
		if seconds_remaining <= 10:
			turn_timer_label.add_theme_color_override("font_color", Color.RED)
		elif seconds_remaining <= 30:
			turn_timer_label.add_theme_color_override("font_color", Color.YELLOW)
		else:
			turn_timer_label.add_theme_color_override("font_color", Color.WHITE)


func _on_network_phase_changed(phase_data: Dictionary) -> void:
	var phase = phase_data.get("phase", 0)
	var current_player_index = phase_data.get("current_player_index", 0)
	var turn_number = phase_data.get("turn_number", 1)

	# Validate player index bounds
	if current_player_index < 0 or current_player_index > 1:
		push_error("Invalid player index from server: %d" % current_player_index)
		return

	print("Network phase changed: phase=", phase, " player=", current_player_index, " turn=", turn_number)

	# Update local game state to match server
	if GameManager.game_state:
		GameManager.game_state.turn_manager.current_player_index = current_player_index
		GameManager.game_state.turn_manager.turn_number = turn_number
		# Phase enum values should match between server and client
		GameManager.game_state.turn_manager.current_phase = phase

	_sync_visuals()
	_update_hand_display()
	_update_cp_display()

	# Switch camera to current player
	if table_setup:
		table_setup.switch_camera_to_player(current_player_index)


func _on_action_confirmed(action_type: String) -> void:
	print("Action confirmed by server: ", action_type)


func _on_action_failed(action_type: String, error: String) -> void:
	print("Action failed: ", action_type, " - ", error)
	game_ui.show_message("Action failed: " + error)


func _on_opponent_disconnected(reconnect_timeout: int) -> void:
	game_ui.show_message("Opponent disconnected. Waiting %d seconds for reconnect..." % reconnect_timeout)


func _on_opponent_reconnected() -> void:
	game_ui.show_message("Opponent reconnected!")
	# Hide the message after a moment
	await get_tree().create_timer(2.0).timeout
	game_ui.hide_message()


func _on_game_state_sync(state: Dictionary) -> void:
	print("Received game state sync: ", state)
	# This is for reconnection - sync local state with server
	var current_player_index = state.get("current_player_index", 0)
	var current_phase = state.get("current_phase", 0)
	var turn_number = state.get("turn_number", 1)

	# Validate player index bounds
	if current_player_index < 0 or current_player_index > 1:
		push_error("Invalid player index in game state sync: %d" % current_player_index)
		return

	if GameManager.game_state:
		GameManager.game_state.turn_manager.current_player_index = current_player_index
		GameManager.game_state.turn_manager.current_phase = current_phase
		GameManager.game_state.turn_manager.turn_number = turn_number

	# Sync timer display from server state
	var timer_seconds = state.get("turn_timer_seconds", 120)
	if turn_timer_label:
		var minutes = timer_seconds / 60
		var secs = timer_seconds % 60
		turn_timer_label.text = "%d:%02d" % [minutes, secs]

	_sync_visuals()
	_update_hand_display()
	_update_cp_display()


func _connect_attack_signal() -> void:
	# Wait for game_state to be available
	if GameManager.game_state:
		GameManager.game_state.attack_declared.connect(_on_attack_declared)


func _on_attack_declared(attacker: CardInstance) -> void:
	# If human attacks and AI is the defender, AI needs to decide on blocking
	if is_vs_ai and ai_controller:
		var current_player_index = GameManager.game_state.turn_manager.current_player_index
		# AI is always player index 1, so if current player is 0 (human), AI needs to block
		if current_player_index != ai_player_index:
			# AI needs to make a block decision
			call_deferred("_process_ai_block", attacker)


func _process_ai_block(attacker: CardInstance) -> void:
	if ai_controller and not ai_controller.is_processing:
		ai_controller.process_block_decision(attacker)

func _start_game() -> void:
	GameManager.start_new_game(player1_deck, player2_deck)

	# Setup AI controller if playing vs AI
	if is_vs_ai:
		_setup_ai_controller()

	# Force an update of visuals after a frame to ensure everything is ready
	call_deferred("_force_initial_update")


func _setup_ai_controller() -> void:
	ai_controller = AIController.new()
	add_child(ai_controller)
	ai_controller.setup(ai_player_index, ai_difficulty, GameManager)
	ai_controller.set_game_state(GameManager.game_state)

	# Connect AI signals
	ai_controller.ai_thinking.connect(_on_ai_thinking)
	ai_controller.ai_action_completed.connect(_on_ai_action_completed)


func _on_ai_thinking(_player_index: int) -> void:
	game_ui.show_message("AI is thinking...")


func _on_ai_action_completed() -> void:
	game_ui.hide_message()
	_sync_visuals()
	_update_hand_display()
	_update_cp_display()

	# Check if we need to continue AI processing
	if _is_ai_turn():
		call_deferred("_process_ai_turn")


func _is_ai_turn() -> bool:
	if not is_vs_ai or not GameManager.game_state:
		return false
	return GameManager.game_state.turn_manager.current_player_index == ai_player_index


func _process_ai_turn() -> void:
	if _is_ai_turn() and ai_controller and not ai_controller.is_processing:
		ai_controller.process_turn()

func _force_initial_update() -> void:
	_sync_visuals()
	_update_hand_display()
	_update_cp_display()

func _on_game_started() -> void:
	_sync_visuals()
	_update_hand_display()

	# Set initial camera to first player's perspective
	if GameManager.game_state and table_setup:
		var player_index = GameManager.game_state.turn_manager.current_player_index
		table_setup.switch_camera_to_player(player_index)

func _on_game_ended(winner_name: String) -> void:
	game_ui.show_message(winner_name + " wins the game!")

	# For online games, report game end to server
	if is_online_game and GameManager.game_state:
		var winner_index = -1
		for i in range(2):
			var player = GameManager.game_state.get_player(i)
			if player and player.player_name == winner_name:
				winner_index = i
				break

		if winner_index != -1:
			# Determine winner user ID based on index
			# Local player is either index 0 or 1, with opponent being the other
			var winner_user_id = ""
			if winner_index == local_player_index:
				winner_user_id = NetworkManager.current_user.get("id", "")
			# Server will determine actual winner from both clients reporting

			var reason = "damage"  # Could be "deck_out" if deck is empty
			var losing_player = GameManager.game_state.get_player(1 - winner_index)
			if losing_player and losing_player.deck.is_empty():
				reason = "deck_out"

			NetworkManager.send_report_game_end(winner_user_id, reason)

	# Disconnect network signals
	if is_online_game:
		_disconnect_network_signals()

func _on_turn_changed(_player_name: String, _turn_number: int) -> void:
	_sync_visuals()
	_update_hand_display()
	_update_cp_display()

	# Rotate camera to face the current player's mat
	if GameManager.game_state and table_setup:
		var player_index = GameManager.game_state.turn_manager.current_player_index
		table_setup.switch_camera_to_player(player_index)

	# If AI's turn, start AI processing after a brief delay
	if _is_ai_turn():
		# Defer to allow visuals to update first
		call_deferred("_process_ai_turn")

func _on_phase_changed(_phase_name: String) -> void:
	_update_playable_highlights()
	_update_cp_display()
	# Refresh hand after draw phase completes (hand updates on entering main phase)
	_update_hand_display()

	# If AI's turn and we're in a decision phase, continue AI processing
	if _is_ai_turn():
		call_deferred("_process_ai_turn")

func _on_damage_dealt(player_name: String, _amount: int) -> void:
	# Find player index
	if GameManager.game_state:
		for i in range(2):
			var player = GameManager.game_state.get_player(i)
			if player and player.player_name == player_name:
				if i < damage_displays.size():
					damage_displays[i].set_damage(player.damage_zone.get_count())

func _sync_visuals() -> void:
	if GameManager.game_state and table_setup:
		table_setup.sync_with_game_state(GameManager.game_state)

func _update_hand_display() -> void:
	if not GameManager.game_state:
		return

	# Show current player's hand
	var current_player = GameManager.get_current_player()
	if current_player:
		var cards = current_player.hand.get_cards()
		hand_display.update_hand(cards)

func _update_cp_display() -> void:
	if not GameManager.game_state:
		return

	var current_player = GameManager.get_current_player()
	if current_player:
		game_ui.update_cp_display(current_player.cp_pool)

func _update_playable_highlights() -> void:
	if not GameManager.game_state:
		return

	var phase = GameManager.get_current_phase()
	var player = GameManager.get_current_player()

	if not player:
		hand_display.clear_highlights()
		return

	match phase:
		Enums.TurnPhase.MAIN_1, Enums.TurnPhase.MAIN_2:
			# Highlight cards that can be played
			hand_display.highlight_playable(func(card: CardInstance) -> bool:
				return player.cp_pool.can_afford_card(card.card_data)
			)
		_:
			hand_display.clear_highlights()

func _on_hand_card_action(card: CardInstance, action: String) -> void:
	# Block input if not local player's turn in online game
	if is_online_game and not _is_local_player_turn():
		game_ui.show_message("Not your turn!")
		await get_tree().create_timer(1.0).timeout
		game_ui.hide_message()
		return

	match action:
		"play":
			# Try to play the card
			if is_online_game:
				NetworkManager.send_play_card(card.instance_id)
			GameManager.try_play_card(card)
			_sync_visuals()
			_update_hand_display()
			_update_cp_display()

		"discard_cp":
			# Discard for CP
			if is_online_game:
				NetworkManager.send_discard_for_cp(card.instance_id)
			GameManager.discard_card_for_cp(card)
			_sync_visuals()
			_update_hand_display()
			_update_cp_display()

		"view":
			# Show detailed card view
			game_ui.show_card_detail(card)

func _on_hand_card_hovered(_card: CardInstance) -> void:
	# Hand cards use the selection panel for detail view, not the GameUI hover preview
	# So we intentionally do nothing here - no hover preview for hand cards
	pass

func _on_hand_card_unhovered() -> void:
	game_ui.hide_card_detail()

func _on_hand_card_selected(_card: CardInstance) -> void:
	# Close field card panel if open
	game_ui.hide_field_card_selection()
	# Ensure any stale hover preview is hidden
	game_ui.hide_card_detail()

func _on_undo_requested() -> void:
	if GameManager.undo_last_action():
		_sync_visuals()
		_update_hand_display()
		_update_cp_display()
		_update_playable_highlights()
		# Restore input mode based on current phase
		GameManager.restore_input_mode_for_phase()

func _on_undo_available_changed(available: bool) -> void:
	if action_log:
		action_log.set_undo_available(available)

func _on_table_card_clicked(card: CardInstance, zone_type: Enums.ZoneType, player_index: int) -> void:
	var input_mode = GameManager.input_mode

	# Handle special input modes first (these take priority)
	match input_mode:
		GameManager.InputMode.SELECT_CP_SOURCE:
			if zone_type == Enums.ZoneType.FIELD_BACKUPS:
				if player_index == GameManager.game_state.turn_manager.current_player_index:
					# Block if not local player's turn in online game
					if is_online_game and not _is_local_player_turn():
						return
					if is_online_game:
						NetworkManager.send_dull_backup_for_cp(card.instance_id)
					GameManager.dull_backup_for_cp(card)
					_sync_visuals()
					_update_cp_display()
					return

		GameManager.InputMode.SELECT_ATTACKER:
			if zone_type == Enums.ZoneType.FIELD_FORWARDS:
				if player_index == GameManager.game_state.turn_manager.current_player_index:
					# Block if not local player's turn in online game
					if is_online_game and not _is_local_player_turn():
						return
					if is_online_game:
						NetworkManager.send_attack(card.instance_id)
					GameManager.declare_attack(card)
					_sync_visuals()
					return

		GameManager.InputMode.SELECT_BLOCKER:
			if zone_type == Enums.ZoneType.FIELD_FORWARDS:
				var opponent_index = 1 - GameManager.game_state.turn_manager.current_player_index
				if player_index == opponent_index:
					# In online games, only the defending player (non-active) can block
					# Check if we are the defender
					if is_online_game and local_player_index == GameManager.game_state.turn_manager.current_player_index:
						# We are the attacker, can't block
						return
					if is_online_game:
						NetworkManager.send_block(card.instance_id)
					GameManager.declare_block(card)
					_sync_visuals()
					return

	# Close hand selection panel if open
	hand_display.deselect()
	# Show field card selection panel with card image and actions
	game_ui.show_field_card_selection(card, zone_type, player_index)

func _connect_field_card_signals() -> void:
	if game_ui:
		game_ui.field_card_action_requested.connect(_on_field_card_action)

func _on_field_card_action(card: CardInstance, zone_type: Enums.ZoneType, player_index: int, action: String) -> void:
	# Block input if not local player's turn in online game
	if is_online_game and not _is_local_player_turn():
		game_ui.show_message("Not your turn!")
		return

	match action:
		"dull_cp":
			if is_online_game:
				NetworkManager.send_dull_backup_for_cp(card.instance_id)
			GameManager.dull_backup_for_cp(card)
			_sync_visuals()
			_update_cp_display()
		"attack":
			if is_online_game:
				NetworkManager.send_attack(card.instance_id)
			GameManager.declare_attack(card)
			_sync_visuals()

func _input(event: InputEvent) -> void:
	# Keyboard shortcuts
	if event is InputEventKey and event.pressed:
		# Ctrl+Z for undo (disabled in online games)
		if event.keycode == KEY_Z and event.ctrl_pressed:
			if not is_online_game:
				_on_undo_requested()
			return

		# L key to toggle action log
		if event.keycode == KEY_L and not event.ctrl_pressed:
			if action_log:
				action_log.toggle_panel()
			return

		match event.keycode:
			KEY_SPACE:
				# Pass priority / end phase
				if is_online_game:
					if not _is_local_player_turn():
						return
					NetworkManager.send_pass()
				GameManager.pass_priority()
				_sync_visuals()
				_update_hand_display()
				_update_cp_display()
			KEY_ESCAPE:
				# Cancel current selection
				GameManager.clear_selection()
				table_setup.clear_all_highlights()
				hand_display.clear_highlights()
				game_ui.hide_field_card_selection()