# QuestLog (P7) —— 任务日志窗：GC_QUEST_INFO 的条目列表。
#
#   var ql := preload("res://ui/quest_log.gd").new()
#   add_child(ql)
#   ql.setup(m2client, canvas_parent)
#   ql.toggle()     # J 键
#
# 每条： 图标(占位) + 标题 + counter「名: 值」 + clock「名: 值」。
# `quest_info` 信号来时刷新。空标题的条目视为「已完成 / 移除」。
extends Node

var client: Node
var _root: Control
var _list: VBoxContainer

func setup(m2client: Node, parent: Node) -> void:
	client = m2client
	_build(parent)
	if client.has_signal("quest_info"):
		client.quest_info.connect(func(_i): refresh())

func is_open() -> bool:
	return _root != null and _root.visible

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

func toggle() -> void:
	_root.visible = not _root.visible
	if _root.visible:
		refresh()

func refresh() -> void:
	if not is_open() or client == null:
		return
	for c in _list.get_children():
		c.queue_free()
	var quests: Array = client.get_quests()
	if quests.is_empty():
		var e := Label.new()
		e.text = "（无进行中的任务）"
		e.add_theme_font_size_override("font_size", 12)
		_list.add_child(e)
		return
	for q in quests:
		if String(q.get("title", "")).strip_edges() == "":
			continue
		var box := VBoxContainer.new()
		box.add_theme_constant_override("separation", 1)
		var t := Label.new()
		t.text = "◆ " + String(q.get("title", ""))
		t.add_theme_font_size_override("font_size", 13)
		box.add_child(t)
		var cn := String(q.get("counter_name", ""))
		if cn != "":
			var cl := Label.new()
			cl.text = "   %s: %d" % [cn, int(q.get("counter_value", 0))]
			cl.add_theme_font_size_override("font_size", 11)
			cl.modulate = Color(0.8, 0.85, 0.7)
			box.add_child(cl)
		var kn := String(q.get("clock_name", ""))
		if kn != "":
			var kl := Label.new()
			kl.text = "   %s: %d" % [kn, int(q.get("clock_value", 0))]
			kl.add_theme_font_size_override("font_size", 11)
			kl.modulate = Color(0.7, 0.8, 0.9)
			box.add_child(kl)
		_list.add_child(box)

func _build(parent: Node) -> void:
	_root = Control.new()
	_root.set_anchors_preset(Control.PRESET_TOP_RIGHT)
	_root.position = Vector2(-320, 60)
	_root.size = Vector2(300, 360)
	_root.visible = false
	_root.set_meta("is_titlebar", true)
	parent.add_child(_root)
	var panel := Panel.new()
	panel.set_anchors_preset(Control.PRESET_FULL_RECT)
	var sb := StyleBoxFlat.new()
	sb.bg_color = Color(0.07, 0.08, 0.1, 0.95)
	sb.set_corner_radius_all(4)
	panel.add_theme_stylebox_override("panel", sb)
	_root.add_child(panel)
	var title := Label.new()
	title.text = "任务日志"
	title.position = Vector2(12, 8)
	_root.add_child(title)
	_list = VBoxContainer.new()
	_list.position = Vector2(12, 34)
	_list.custom_minimum_size = Vector2(276, 0)
	_list.add_theme_constant_override("separation", 8)
	_root.add_child(_list)