# GuildUI (P8/M4) —— 公会窗（G 键）：成员 / 技能 / 公会战 三页。
#
#   var gu := preload("res://ui/guild_ui.gd").new()
#   add_child(gu)
#   gu.setup(m2client, canvas_parent, skill_table)   # skill_table 可空（出公会技能名）
#   gu.toggle()   # G 键
#
# `guild_changed` / `guild_skill_changed` / `guild_war_changed` 刷新，`guild_marks_ready`
# 到时刷会徽图。⬜ 等级页、日志页。
extends Node

const TABS := ["成员", "技能", "公会战"]
# EGuildWarState (wire.h)
const WAR_STATE_NAMES := ["无", "已宣战", "被拒", "收到宣战", "待开始", "取消", "交战中", "结束"]

var client: Node
var skill_table: RefCounted  # SkillTable
# 返回一张 Image（16×12，或任意会被转换/缩放）用作会徽上传源；null = 不显示上传按钮。
var mark_image_provider: Callable
var _root: Control
var _info: Label
var _mark: TextureRect
var _tab := 0
var _tab_btns: Array[Button] = []
var _pages: Array[VBoxContainer] = []
var _war_name_edit: LineEdit
var _upload_status: Label

func setup(m2client: Node, parent: Node, table: RefCounted = null) -> void:
	client = m2client
	skill_table = table
	_build(parent)
	for sig in ["guild_changed", "guild_skill_changed", "guild_war_changed"]:
		if client.has_signal(sig):
			client.connect(sig, refresh)
	if client.has_signal("guild_marks_ready"):
		client.guild_marks_ready.connect(func(_n): refresh())
	if client.has_signal("guild_mark_uploaded"):
		client.guild_mark_uploaded.connect(_on_mark_uploaded)

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

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

func _set_tab(i: int) -> void:
	_tab = i
	for t in _pages.size():
		_pages[t].visible = (t == i)
		_tab_btns[t].disabled = (t == i)
	refresh()

func refresh() -> void:
	if not is_open() or client == null:
		return
	var g: Dictionary = client.get_guild()
	var in_guild: bool = g.get("in_guild", false)
	_refresh_mark(int(g.get("id", 0)) if in_guild else 0)
	if not in_guild:
		_info.text = "（未加入公会）"
		for p in _pages:
			for c in p.get_children():
				c.queue_free()
		return
	_info.text = "%s  Lv.%d   成员 %d/%d   资金 %d" % [
		g.get("name", "?"), int(g.get("level", 0)),
		int(g.get("member_count", 0)), int(g.get("max_member_count", 0)),
		int(g.get("gold", 0))]
	match _tab:
		0: _fill_members()
		1: _fill_skills()
		2: _fill_war(int(g.get("id", 0)))

func _fill_members() -> void:
	var page := _pages[0]
	for c in page.get_children():
		c.queue_free()

	# 会徽上传（需要配了 mark server + 提供了图源）
	var srv: Dictionary = client.get_mark_server() if client.has_method("get_mark_server") else {}
	if mark_image_provider.is_valid() and int(srv.get("port", 0)) > 0:
		var row := HBoxContainer.new()
		row.add_theme_constant_override("separation", 8)
		page.add_child(row)
		var ub := Button.new()
		ub.text = "上传会徽"
		ub.custom_minimum_size = Vector2(96, 26)
		ub.pressed.connect(_upload_mark)
		row.add_child(ub)
		_upload_status = Label.new()
		_upload_status.add_theme_font_size_override("font_size", 11)
		_upload_status.modulate = Color(0.7, 0.8, 0.7)
		row.add_child(_upload_status)

	var grades: Array = client.get_guild_grades()
	var members: Array = client.get_guild_members()
	members.sort_custom(func(a, b): return int(a.get("grade", 99)) < int(b.get("grade", 99)))
	for m in members:
		var gi := int(m.get("grade", 0))
		var gname := ""
		if gi >= 1 and gi <= grades.size():
			gname = String(grades[gi - 1].get("name", ""))
		var row := Label.new()
		row.add_theme_font_size_override("font_size", 12)
		row.text = "%s  Lv.%d  [%s]  贡献 %d%s" % [
			String(m.get("name", "?")), int(m.get("level", 0)),
			gname if gname != "" else str(gi),
			int(m.get("offer", 0)),
			"  ★" if m.get("general", false) else ""]
		page.add_child(row)

func _guild_skill_rows() -> Array:
	# skill_table 的 GUILD 分类给 id（升序）；按顺序配 levels[i]。返回 [{id, name}]。
	var out := []
	if skill_table and skill_table.has_method("for_category"):
		for id in skill_table.for_category("GUILD"):
			out.append({"id": int(id), "name": skill_table.name_of(int(id))})
	return out

func _fill_skills() -> void:
	var page := _pages[1]
	for c in page.get_children():
		c.queue_free()
	var sk: Dictionary = client.get_guild_skill()
	if not sk.get("valid", false):
		var l := Label.new()
		l.text = "（还没收到公会技能数据）"
		page.add_child(l)
		return
	var head := Label.new()
	head.add_theme_font_size_override("font_size", 12)
	head.modulate = Color(0.8, 0.9, 1.0)
	head.text = "技能点 %d      公会点 %d / %d" % [
		int(sk.get("skill_point", 0)), int(sk.get("guild_point", 0)), int(sk.get("max_guild_point", 0))]
	page.add_child(head)
	var levels: Array = sk.get("levels", [])
	var meta := _guild_skill_rows()
	for i in levels.size():
		var lv := int(levels[i])
		var nm := "公会技能 %d" % i
		var sid := -1
		if i < meta.size():
			nm = String(meta[i].get("name", nm))
			sid = int(meta[i].get("id", -1))
		var row := HBoxContainer.new()
		row.add_theme_constant_override("separation", 8)
		page.add_child(row)
		var lbl := Label.new()
		lbl.add_theme_font_size_override("font_size", 12)
		lbl.custom_minimum_size = Vector2(240, 0)
		lbl.text = "%s   Lv %d" % [nm, lv]
		row.add_child(lbl)
		if sid >= 0 and lv > 0:
			var btn := Button.new()
			btn.text = "施放"
			btn.custom_minimum_size = Vector2(56, 24)
			btn.pressed.connect(func(): client.use_guild_skill(sid, 0))
			row.add_child(btn)

func _fill_war(my_guild_id: int) -> void:
	var page := _pages[2]
	for c in page.get_children():
		c.queue_free()

	var cur: Dictionary = client.get_guild_war()
	var st := int(cur.get("state", 0))
	var cur_lbl := Label.new()
	cur_lbl.add_theme_font_size_override("font_size", 12)
	cur_lbl.modulate = Color(1.0, 0.8, 0.7)
	if st == 0:
		cur_lbl.text = "当前无公会战"
	else:
		var on := String(cur.get("opp_name", ""))
		cur_lbl.text = "对 %s ： %s" % [
			on if on != "" else "#%d" % int(cur.get("opp_guild_id", 0)),
			WAR_STATE_NAMES[st] if st < WAR_STATE_NAMES.size() else str(st)]
	page.add_child(cur_lbl)

	# 宣战输入
	var decl := HBoxContainer.new()
	decl.add_theme_constant_override("separation", 6)
	page.add_child(decl)
	_war_name_edit = LineEdit.new()
	_war_name_edit.placeholder_text = "对方公会名"
	_war_name_edit.custom_minimum_size = Vector2(200, 26)
	decl.add_child(_war_name_edit)
	var db := Button.new()
	db.text = "宣战"
	db.custom_minimum_size = Vector2(60, 26)
	db.pressed.connect(func():
		var nm := _war_name_edit.text.strip_edges()
		if nm != "":
			client.declare_guild_war(nm))
	decl.add_child(db)

	var hdr := Label.new()
	hdr.add_theme_font_size_override("font_size", 12)
	hdr.text = "— 进行中的公会战 —"
	page.add_child(hdr)
	var wars: Array = client.get_guild_wars()
	if wars.is_empty():
		var none := Label.new()
		none.text = "（无）"
		page.add_child(none)
	for wpair in wars:
		var sn := String(wpair.get("src_name", ""))
		var dn := String(wpair.get("dst_name", ""))
		var row := Label.new()
		row.add_theme_font_size_override("font_size", 12)
		var mark_self := "  ◀我方" if int(wpair.get("src", 0)) == my_guild_id or int(wpair.get("dst", 0)) == my_guild_id else ""
		row.text = "%s  vs  %s%s" % [
			sn if sn != "" else "#%d" % int(wpair.get("src", 0)),
			dn if dn != "" else "#%d" % int(wpair.get("dst", 0)),
			mark_self]
		page.add_child(row)

func _upload_mark() -> void:
	var g: Dictionary = client.get_guild()
	if not g.get("in_guild", false) or not mark_image_provider.is_valid():
		return
	var img = mark_image_provider.call()
	if img == null:
		if _upload_status:
			_upload_status.text = "没有会徽图"
		return
	var srv: Dictionary = client.get_mark_server()
	var ok: bool = client.upload_guild_mark(
		String(srv.get("host", "")), int(srv.get("port", 0)), int(g.get("id", 0)), img)
	if _upload_status:
		_upload_status.text = "上传中…" if ok else "上传发起失败"

func _on_mark_uploaded(ok: bool) -> void:
	if _upload_status:
		_upload_status.text = "✔ 已上传（等服务器刷新）" if ok else "✘ 上传失败"

# 公会 id 变了就重新取会徽图（16x12，放大 3x 显示）。
func _refresh_mark(guild_id: int) -> void:
	if _mark == null:
		return
	if guild_id == 0 or client == null or not client.has_method("get_guild_mark_image"):
		_mark.texture = null
		_mark.visible = false
		return
	var img: Image = client.get_guild_mark_image(guild_id)
	if img == null:
		_mark.texture = null
		_mark.visible = false
		return
	_mark.texture = ImageTexture.create_from_image(img)
	_mark.visible = true

func _build(parent: Node) -> void:
	_root = Control.new()
	_root.set_anchors_preset(Control.PRESET_CENTER)
	_root.position = Vector2(-190, -210)
	_root.size = Vector2(380, 420)
	_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, 0.97)
	sb.set_corner_radius_all(4)
	panel.add_theme_stylebox_override("panel", sb)
	_root.add_child(panel)
	var title := Label.new()
	title.text = "公会"
	title.position = Vector2(12, 8)
	_root.add_child(title)
	_mark = TextureRect.new()
	_mark.position = Vector2(320, 6)
	_mark.custom_minimum_size = Vector2(48, 36)   # 16x12 放大 3x
	_mark.size = Vector2(48, 36)
	_mark.stretch_mode = TextureRect.STRETCH_SCALE
	_mark.texture_filter = CanvasItem.TEXTURE_FILTER_NEAREST
	_mark.visible = false
	_root.add_child(_mark)
	_info = Label.new()
	_info.position = Vector2(12, 32)
	_info.add_theme_font_size_override("font_size", 12)
	_info.modulate = Color(0.9, 0.85, 0.6)
	_root.add_child(_info)

	var tabrow := HBoxContainer.new()
	tabrow.position = Vector2(12, 54)
	tabrow.add_theme_constant_override("separation", 4)
	_root.add_child(tabrow)
	for i in TABS.size():
		var b := Button.new()
		b.text = TABS[i]
		b.custom_minimum_size = Vector2(84, 26)
		b.pressed.connect(_set_tab.bind(i))
		tabrow.add_child(b)
		_tab_btns.append(b)

	var sc := ScrollContainer.new()
	sc.position = Vector2(12, 86)
	sc.custom_minimum_size = Vector2(356, 322)
	_root.add_child(sc)
	var stack := Control.new()
	stack.custom_minimum_size = Vector2(350, 0)
	sc.add_child(stack)
	for i in TABS.size():
		var page := VBoxContainer.new()
		page.custom_minimum_size = Vector2(350, 0)
		page.add_theme_constant_override("separation", 3)
		page.visible = (i == 0)
		stack.add_child(page)
		_pages.append(page)
	_tab_btns[0].disabled = true