# DeathUI (P4) —— 主角死亡 → 灰屏 + 复活窗。
#
#   var d := preload("res://ui/death_ui.gd").new()
#   add_child(d)
#   d.setup(m2client, canvas_parent)
#
# 触发：M2Client.entity_dead(main_vid) 或 phase_changed("dead")。
# 复活走服务器 quest 命令（同客户端）：/restart_here · /restart_town（CG_CHAT）。
# 复活成功服务器发 GC_PLAYER_POINTS(hp>0) / 相位回 game -> 自动关。
extends Node

var client: Node
var _root: Control
var _shown := false

func setup(m2client: Node, parent: Node) -> void:
	client = m2client
	_build(parent)
	if client.has_signal("entity_dead"):
		client.entity_dead.connect(_on_dead)
	if client.has_signal("phase_changed"):
		client.phase_changed.connect(func(p): if p == "dead": show_dialog())
	if client.has_signal("vitals_changed"):
		client.vitals_changed.connect(_on_vitals)

func _on_dead(vid: int) -> void:
	if client.has_method("get_main_vid") and vid == client.get_main_vid():
		show_dialog()

func _on_vitals(vid: int) -> void:
	if not _shown:
		return
	if client.has_method("get_main_vid") and vid == client.get_main_vid():
		var e: Dictionary = client.get_entity(vid)
		if int(e.get("hp", 0)) > 0 and not e.get("dead", false):
			hide_dialog()

func show_dialog() -> void:
	if _shown:
		return
	_shown = true
	_root.visible = true

func hide_dialog() -> void:
	_shown = false
	_root.visible = false

func _build(parent: Node) -> void:
	_root = Control.new()
	_root.set_anchors_preset(Control.PRESET_FULL_RECT)
	_root.visible = false
	_root.mouse_filter = Control.MOUSE_FILTER_STOP
	parent.add_child(_root)

	var dim := ColorRect.new()
	dim.set_anchors_preset(Control.PRESET_FULL_RECT)
	dim.color = Color(0.1, 0.0, 0.0, 0.55)
	_root.add_child(dim)

	var panel := Panel.new()
	panel.set_anchors_preset(Control.PRESET_CENTER)
	panel.position = Vector2(-150, -70)
	panel.size = Vector2(300, 140)
	var sb := StyleBoxFlat.new()
	sb.bg_color = Color(0.12, 0.1, 0.1, 0.97)
	sb.border_color = Color(0.5, 0.2, 0.2)
	sb.set_border_width_all(1)
	sb.set_corner_radius_all(4)
	panel.add_theme_stylebox_override("panel", sb)
	_root.add_child(panel)

	var title := Label.new()
	title.text = "你已阵亡"
	title.position = Vector2(0, 16)
	title.size = Vector2(300, 0)
	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	panel.add_child(title)

	_btn(panel, "在此复活", 24, 60, func(): _restart("/restart_here"))
	_btn(panel, "回城复活", 158, 60, func(): _restart("/restart_town"))

func _btn(parent: Control, text: String, x: int, y: int, cb: Callable) -> void:
	var b := Button.new()
	b.text = text
	b.position = Vector2(x, y)
	b.size = Vector2(118, 30)
	b.pressed.connect(cb)
	parent.add_child(b)

func _restart(cmd: String) -> void:
	if client and client.has_method("say"):
		client.say(0, cmd)   # CHAT_TYPE_TALKING