# VERTICAL SLICE - NOT FOR PRODUCTION
# 实现 GDD：design/ux/battle.md（胜利/失败终局 overlay——金蜡封占位落于扫雷图区中央 + 判定行 +
# 明细回看入口 + 继续/返回；失败 = 暮蓝 #5A6C8C 氛围（明度不变）+ 旗化光点收回占位；
# pattern 6 模态 overlay 层级纪律——遮挡物隐藏/输入锁定断言归场景探针）。
# Date: 2026-09-12（扩展自 node_overlay 的战斗终局职责分离）
class_name BattleEndOverlay
extends Control

signal review_pressed
signal continue_pressed

const COL_GOLD := UiKit.GOLD
const COL_DUSK := UiKit.DUSK                # 暮蓝（全作唯一暮蓝档）
const COL_WARM := UiKit.WARM

var _dim: ColorRect
var _seal: Panel
var _verdict: Label
var _review_btn: Button
var _btn: Button
var _board_rect := Rect2()


func _init() -> void:
	_dim = ColorRect.new()
	_dim.color = Color(COL_WARM, 0.0)
	_dim.set_anchors_preset(Control.PRESET_FULL_RECT)
	add_child(_dim)
	var center := CenterContainer.new()
	center.set_anchors_preset(Control.PRESET_FULL_RECT)
	_dim.add_child(center)
	var box := VBoxContainer.new()
	box.add_theme_constant_override("separation", 12)
	center.add_child(box)
	_verdict = UiKit.label("", 26, true)
	_verdict.add_theme_color_override("font_color", COL_WARM)
	_verdict.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	box.add_child(_verdict)
	_review_btn = UiKit.button("明细回看")
	_review_btn.pressed.connect(func(): review_pressed.emit())
	box.add_child(_review_btn)
	_btn = UiKit.button("继续")
	_btn.pressed.connect(func(): continue_pressed.emit())
	box.add_child(_btn)
	# 金蜡封占位（胜利）：圆形色块落于扫雷图区中央——位置由 set_board_rect 注入
	_seal = Panel.new()
	_seal.mouse_filter = Control.MOUSE_FILTER_IGNORE
	var sb := UiKit.panel_flat(COL_GOLD, UiKit.GOLD_DEEP, 200, 4)
	_seal.add_theme_stylebox_override("panel", sb)
	_seal.size = Vector2(72, 72)
	_seal.visible = false
	_seal.top_level = true
	add_child(_seal)
	visible = false


# 终局画面数据锚 = 战斗结算 判定行（verdict）——判定行文案由组合根装配传入
func open_victory(verdict_line: String, continue_label: String, board_rect: Rect2) -> void:
	_dim.color = Color(COL_WARM, 0.28)
	_verdict.text = verdict_line
	_verdict.add_theme_color_override("font_color", UiKit.INK_ON_GOLD)
	_btn.text = continue_label
	_board_rect = board_rect
	visible = true
	_play_seal_fall()
	_play_flag_recall(0)   # 胜利不放旗收回


func open_defeat(verdict_line: String, continue_label: String, board_rect: Rect2) -> void:
	# 明度不变的暮蓝色相氛围（全屏唯一暮蓝档——§2.5 最静一拍）
	_dim.color = Color(COL_DUSK, 0.45)
	_verdict.text = verdict_line
	_verdict.add_theme_color_override("font_color", COL_WARM)
	_btn.text = continue_label
	_board_rect = board_rect
	visible = true
	_seal.visible = false
	_play_flag_recall(8)


func close() -> void:
	visible = false
	_seal.visible = false


func is_open() -> bool:
	return visible


func verdict_text() -> String:
	return _verdict.text


# 金蜡封自上落下弹跳定格于棋盘中央（§2.4 克制不狂欢——占位级）
func _play_seal_fall() -> void:
	var target := _board_rect.get_center() - _seal.size * 0.5
	if _board_rect.size == Vector2.ZERO:
		target = get_viewport_rect().size * 0.5 - _seal.size * 0.5
	_seal.position = Vector2(target.x, -100.0)
	_seal.visible = true
	var tw := _seal.create_tween()
	tw.tween_property(_seal, "position:y", target.y - 26.0, UiKit.motion(0.42)).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
	tw.tween_property(_seal, "position:y", target.y, UiKit.motion(0.22)).set_trans(Tween.TRANS_BOUNCE).set_ease(Tween.EASE_OUT)


# 旗化光点收回（失败——插过的旗逐面化光点收回占位，§2.5）
func _play_flag_recall(count: int) -> void:
	for i in count:
		var dot := ColorRect.new()
		dot.color = COL_GOLD
		dot.size = Vector2(6, 6)
		var base := _board_rect.get_center() if _board_rect.size != Vector2.ZERO else get_viewport_rect().size * 0.5
		dot.position = base + Vector2((float(i % 5) - 2.0) * _board_rect.size.x * 0.14 if _board_rect.size.x > 0 else 0.0,
			(float(i % 3) - 1.0) * _board_rect.size.y * 0.18)   # 确定性散布（S2 禁全局随机——占位演出同守）
		dot.mouse_filter = Control.MOUSE_FILTER_IGNORE
		add_child(dot)
		var tw := dot.create_tween()
		tw.tween_interval(UiKit.motion(0.1 * i))
		tw.tween_property(dot, "position:y", dot.position.y - 120.0, UiKit.motion(0.8))
		tw.parallel().tween_property(dot, "modulate:a", 0.0, UiKit.motion(0.8))
		tw.tween_callback(dot.queue_free)