# 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 continue_pressed   # M9：review_pressed 退役（P-C7——冒险中回看归「生涯」，06 登记）

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 _rows_box: VBoxContainer        # M9 三行账（GP/钥石/本关加成——demo ⑧；失败侧整行隐藏=P-C4 维持 OQ14）
var _gp_row: Label
var _ks_row: Label
var _bonus_row_l: Label
var _cele: TextureRect              # M9 庆祝立绘（idle 占位浮动——正式帧待资产批）
var _btn: Button
var _board_rect := Rect2()


func _init() -> void:
	# 二轮修改批 B（2026-09-29 用户目检裁决）：半透明浮层文字不可读 → 实底石板皮面板形态
	#（与营地/设置/图例同族）。半透明氛围 dim 保留（胜利暖纱/失败暮蓝——open_* 就地换色），信息与
	# 按钮全部上板；金蜡封 = 面板头部静态徽记（原全屏坠落演出退役——落点被面板遮挡）。
	# 骨架经 UiKit.modal_shell（T4 收口批）；_dim 引用摘出供 open_* 换氛围色。
	var shell := UiKit.modal_shell(self, Color(COL_WARM, 0.0), Vector2(520, 0), 12, true,
		UiKit.panel_skinned(Vector4(16, 14, 16, 14)))
	_dim = shell.dim
	var box: VBoxContainer = shell.box
	var header := HBoxContainer.new()
	header.add_theme_constant_override("separation", 12)
	header.alignment = BoxContainer.ALIGNMENT_CENTER
	box.add_child(header)
	_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.custom_minimum_size = Vector2(52, 52)
	_seal.size_flags_vertical = Control.SIZE_SHRINK_CENTER
	header.add_child(_seal)
	var seal_img := TextureRect.new()
	var flag_tex := UiKit.load_tex("res://assets/art/board/flag_seal.png")
	if flag_tex != null:
		seal_img.texture = flag_tex
	seal_img.custom_minimum_size = Vector2(32, 32)
	seal_img.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
	seal_img.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
	seal_img.texture_filter = CanvasItem.TEXTURE_FILTER_NEAREST
	seal_img.size_flags_vertical = Control.SIZE_SHRINK_CENTER
	seal_img.mouse_filter = Control.MOUSE_FILTER_IGNORE
	_seal.add_child(seal_img)
	_verdict = UiKit.label("", 24, true, UiKit.INK_TITLE)
	_verdict.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	_verdict.size_flags_vertical = Control.SIZE_SHRINK_CENTER
	header.add_child(_verdict)
	# M9 庆祝立绘（demo ⑧——idle 帧浮动占位；正式帧归资产批；减动效=静帧）
	_cele = TextureRect.new()
	var cele_tex := UiKit.load_tex(UiKit.TEX_HERO_IDLE)
	if cele_tex != null:
		_cele.texture = cele_tex
	_cele.custom_minimum_size = Vector2(64, 64)
	_cele.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
	_cele.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
	_cele.texture_filter = CanvasItem.TEXTURE_FILTER_NEAREST
	_cele.size_flags_vertical = Control.SIZE_SHRINK_CENTER
	_cele.visible = false
	header.add_child(_cele)
	_rows_box = VBoxContainer.new()
	_rows_box.add_theme_constant_override("separation", 6)
	_rows_box.visible = false
	box.add_child(_rows_box)
	_gp_row = UiKit.label("", 17, true, UiKit.GOLD_DEEP)
	_gp_row.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	_rows_box.add_child(_gp_row)
	_ks_row = UiKit.label("", 15, true, UiKit.INK_LABEL)
	_ks_row.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	_ks_row.visible = false
	_rows_box.add_child(_ks_row)
	_bonus_row_l = UiKit.label("", 14, false, UiKit.INK_LABEL)
	_bonus_row_l.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	_bonus_row_l.visible = false
	_rows_box.add_child(_bonus_row_l)
	box.add_child(HSeparator.new())
	# M9：明细回看钮退役（P-C7——冒险中回看归「生涯」）
	_btn = UiKit.primary_button("继续")
	_btn.pressed.connect(_emit_continue_pressed)
	box.add_child(_btn)
	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。
# gp_summary（OQ14 口径——胜利总结结算展示 GP 总量+增量）：组合根装配「战利品 +增量 · 合计总量」
# 传入（入账次序 = LevelRunner 入账先于组合根 handler，runner.gp 即战后总量）；空串 = 不显示（失败侧恒空）。
func open_victory(verdict_line: String, continue_label: String, board_rect: Rect2, gp_summary: String = "",
		ks_summary: String = "", bonus_summary: String = "", gp_gain := -1, gp_total := -1) -> void:
	_dim.color = Color(COL_WARM, 0.28)
	_verdict.text = verdict_line
	_seal.visible = true   # 胜利徽记（面板头部静态）
	_seal.modulate = Color.WHITE
	_gp_row.text = gp_summary
	_ks_row.text = ks_summary
	_ks_row.visible = ks_summary != ""
	_bonus_row_l.text = bonus_summary
	_bonus_row_l.visible = bonus_summary != ""
	_rows_box.visible = gp_summary != "" or ks_summary != "" or bonus_summary != ""
	_btn.text = continue_label
	_board_rect = board_rect
	_cele.visible = true
	_play_celebrate()
	visible = true
	if UiKit.victory_fx_style == "dust":
		_play_victory_dust()   # 尘金粒子（P-C5 两套并存——开关=调试浮窗，会话级）
	else:
		_play_crest_assemble()   # 碎砖拼纹章（§2.4——样张 v2 冻结批 T3 终稿；默认）
	_play_flag_recall(0)   # 胜利不放旗收回
	if gp_gain >= 0:
		_roll_gp(gp_gain, gp_total)


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
	_board_rect = board_rect
	visible = true
	_seal.visible = true
	_seal.modulate = Color(0.4, 0.4, 0.4)   # M9：失败徽记灰化（demo ⑧；旧全隐藏退役）
	_cele.visible = false
	_rows_box.visible = false   # P-C4 维持 OQ14：失败侧不呈现账行
	_play_dust_sadle()       # 坐砖掸灰（§2.5——终稿）
	_play_flag_recall(8)


func close() -> void:
	visible = false
	_seal.visible = false
	_seal.modulate = Color.WHITE
	_cele.visible = false
	_clear_crest_bricks()


func is_open() -> bool:
	return visible


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


func _fx_center() -> Vector2:
	return get_viewport_rect().size * 0.5


# 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:
	_fx_flag_dots = count
	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)


# ---- 演出密度终稿（样张 v2 冻结批 T3——程序化 tween，确定性散布，零新帧资产） ----

var _crest_bricks: Array[ColorRect] = []   # 纹章碎砖驻留面（close 时回收）
var _fx_crest_shards := 0
var _fx_dust_motes := 0
var _fx_flag_dots := 0


# 碎砖拼纹章（胜利 §2.4——蜡封落定后十枚碎砖自四周向蜡封外环收拢拼成纹章环，驻留至 close）
func _play_crest_assemble() -> void:
	_clear_crest_bricks()
	_fx_crest_shards = 10
	var c := _fx_center()
	for i in 10:
		var brick := ColorRect.new()
		brick.color = UiKit.BRICK if i % 2 == 0 else UiKit.FLOOR   # 碎砖=砖面族色（掩尘/裸土——图底同源）
		brick.size = Vector2(12, 7)
		brick.mouse_filter = Control.MOUSE_FILTER_IGNORE
		var ang := TAU * float(i) / 10.0
		var ring := c + Vector2(cos(ang), sin(ang)) * 64.0
		brick.position = c + Vector2(cos(ang), sin(ang)) * 200.0   # 自四周场外入场
		add_child(brick)
		_crest_bricks.append(brick)
		var btw := brick.create_tween()
		btw.tween_interval(UiKit.motion(0.52))   # 待蜡封落定（seal 0.42+0.22 弹跳中段）
		btw.tween_property(brick, "position", ring - brick.size * 0.5, UiKit.motion(0.4)).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_OUT)
		btw.parallel().tween_property(brick, "rotation", sin(ang) * 0.35, UiKit.motion(0.4))


# 坐砖掸灰（失败 §2.5——暖灰尘絮自棋盘中带缓缓飘落，最静一拍的运动承载）
func _play_dust_sadle() -> void:
	_fx_dust_motes = 8
	var base := _fx_center()
	for i in 8:
		var mote := ColorRect.new()
		mote.color = Color(UiKit.WARM_FAINT, 0.85)
		mote.size = Vector2(4, 4)
		mote.mouse_filter = Control.MOUSE_FILTER_IGNORE
		mote.position = base + Vector2((float(i % 4) - 1.5) * 30.0, -24.0 - 8.0 * float(i / 4))
		add_child(mote)
		var mtw := mote.create_tween()
		mtw.tween_interval(UiKit.motion(0.08 * i))
		mtw.tween_property(mote, "position:y", mote.position.y + 64.0, UiKit.motion(0.9))
		mtw.parallel().tween_property(mote, "modulate:a", 0.0, UiKit.motion(0.9))
		mtw.tween_callback(mote.queue_free)


# M9 庆祝立绘浮动（idle 占位——UiKit.motion 守减动效；motion_scale<1 静帧）
func _play_celebrate() -> void:
	if UiKit.motion_scale < 1.0:
		return
	var tw := _cele.create_tween()
	tw.set_loops()
	tw.tween_property(_cele, "position:y", _cele.position.y - 4.0, UiKit.motion(0.6)).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_IN_OUT)
	tw.tween_property(_cele, "position:y", _cele.position.y, UiKit.motion(0.6)).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_IN_OUT)


# M9 尘金粒子（P-C5 备选演出——金屑自面板上带飘落闪灭；确定性散布守 S2）
func _play_victory_dust() -> void:
	_fx_dust_motes += 10
	var c := _fx_center()
	for i in 10:
		var mote := ColorRect.new()
		mote.color = Color8(246, 198, 103)
		mote.size = Vector2(5, 5)
		mote.mouse_filter = Control.MOUSE_FILTER_IGNORE
		mote.position = c + Vector2((float(i % 5) - 2.0) * 44.0, -40.0 - 10.0 * float(i / 5))
		add_child(mote)
		var tw := mote.create_tween()
		tw.tween_interval(UiKit.motion(0.12 * i))
		tw.tween_property(mote, "position:y", mote.position.y + 90.0, UiKit.motion(1.1))
		tw.parallel().tween_property(mote, "modulate:a", 0.0, UiKit.motion(1.1))
		tw.tween_callback(mote.queue_free)


# M9 GP 行数字滚动（demo ⑧——0.8s 三次缓出；减动效直出终值）
func _roll_gp(gp_gain: int, gp_total: int) -> void:
	if UiKit.motion_scale < 1.0:
		_gp_row.text = "战利品 GP +%d · 合计 %d" % [gp_gain, gp_total]
		return
	var tw := create_tween()
	tw.tween_method(func(v: float) -> void:
		_gp_row.text = "战利品 GP +%d · 合计 %d" % [roundi(gp_gain * v), gp_total],
		0.0, 1.0, UiKit.motion(0.8)).set_trans(Tween.TRANS_CUBIC).set_ease(Tween.EASE_OUT)


func _clear_crest_bricks() -> void:
	for b in _crest_bricks:
		if is_instance_valid(b):
			b.queue_free()
	_crest_bricks.clear()


# 演出探针出口（fx_probe——胜利纹章/失败掸灰/旗光收回三断言面）
func fx_probe() -> Dictionary:
	return {"crest_shards": _fx_crest_shards, "dust_motes": _fx_dust_motes, "flag_dots": _fx_flag_dots}


func _emit_continue_pressed() -> void:
	continue_pressed.emit()