# VERTICAL SLICE - NOT FOR PRODUCTION
# 实现 GDD：design/ux/battle.md（D 区扫雷图 ~760×548 容器〔底行 520→548——停点前移批 2026-09-23，
# 原 A 区顶栏空间并入〕——顶部 AP 条 44px〔左：点阵+停手；
# 右：图例+弃图刷新〕、棋盘主体居中、toast 槽上缘内侧、演出层）。
# Date: 2026-09-12
# 高内聚边界：容器组合 + 信号转发——动作意图全部信号外发到组合根，零核心写调用。
class_name BoardZoneView
extends PanelContainer

var ap_bar: ApBarView
var board_view: BoardView
var toast: ToastStack
var fx: BoardFxView
var _board_area: Control   # resized 命名转发用（原 lambda 局部捕获——P1-3 转命名 2026-09-29）

signal action_requested(cell: Vector2i, kind: String)
signal stop_pressed
signal refresh_confirmed
signal legend_toggled
signal hover_forbidden(cell: Vector2i)
signal chord_attempted(cell: Vector2i)


func _init() -> void:
	size_flags_horizontal = Control.SIZE_EXPAND_FILL
	var vb := VBoxContainer.new()
	vb.add_theme_constant_override("separation", 4)
	add_child(vb)
	ap_bar = ApBarView.new()
	vb.add_child(ap_bar)
	var board_area := Control.new()
	board_area.size_flags_vertical = Control.SIZE_EXPAND_FILL
	board_area.clip_contents = true
	vb.add_child(board_area)
	_board_area = board_area
	board_area.resized.connect(_on_board_area_resized)
	board_view = BoardView.new()
	board_view.set_anchors_preset(Control.PRESET_FULL_RECT)
	board_area.add_child(board_view)
	fx = BoardFxView.new()
	board_area.add_child(fx)
	toast = ToastStack.new()
	board_area.add_child(toast)
	# 信号转发（组合根只接线一处）
	board_view.action_requested.connect(_forward_action)
	board_view.hover_forbidden.connect(_forward_hover)
	board_view.chord_attempted.connect(_forward_chord)
	ap_bar.stop_pressed.connect(_emit_stop_pressed)
	ap_bar.refresh_confirmed.connect(_emit_refresh_confirmed)
	ap_bar.legend_toggled.connect(_emit_legend_toggled)


func _on_board_area_resized() -> void:
	board_view.set_cell_area(_board_area.size)


func _forward_action(c: Vector2i, kind: String) -> void:
	action_requested.emit(c, kind)


func _forward_hover(c: Vector2i) -> void:
	hover_forbidden.emit(c)


func _forward_chord(c: Vector2i) -> void:
	chord_attempted.emit(c)


func _emit_stop_pressed() -> void:
	stop_pressed.emit()


func _emit_refresh_confirmed() -> void:
	refresh_confirmed.emit()


func _emit_legend_toggled() -> void:
	legend_toggled.emit()