extends PanelContainer
## Liderlik tablosu — 👣 adım / ⭐ level / 🪙 gold sekmeleri, top 20 + kendi sıran.
## Kod ile kurulur. Node adı "LeaderboardPanel".

const PANEL_HEIGHT := 560.0

var _list: VBoxContainer
var _tabs := {}
var _my_rank_lbl: Label
var _by := "steps"

func _ready() -> void:
	name = "LeaderboardPanel"
	visible = false
	_build_ui()

func _build_ui() -> void:
	set_anchors_preset(Control.PRESET_BOTTOM_WIDE)
	offset_top = -PANEL_HEIGHT
	offset_left = 8
	offset_right = -8
	offset_bottom = -8
	var sb := StyleBoxFlat.new()
	sb.bg_color = Color(0.12, 0.10, 0.13, 0.97)
	sb.set_corner_radius_all(10)
	add_theme_stylebox_override("panel", sb)

	var margin := MarginContainer.new()
	margin.add_theme_constant_override("margin_left", 14)
	margin.add_theme_constant_override("margin_right", 14)
	margin.add_theme_constant_override("margin_top", 10)
	margin.add_theme_constant_override("margin_bottom", 10)
	add_child(margin)

	var vbox := VBoxContainer.new()
	vbox.add_theme_constant_override("separation", 6)
	margin.add_child(vbox)

	var top := HBoxContainer.new()
	var title := Label.new()
	title.text = "🏆 Liderlik"
	title.add_theme_font_size_override("font_size", 18)
	title.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	top.add_child(title)
	for entry in [["steps", "👣"], ["level", "⭐"], ["gold", "🪙"]]:
		var btn := Button.new()
		btn.text = str(entry[1])
		btn.toggle_mode = true
		var key := str(entry[0])
		btn.pressed.connect(func() -> void: _switch(key))
		top.add_child(btn)
		_tabs[key] = btn
	(_tabs["steps"] as Button).button_pressed = true
	var close_btn := Button.new()
	close_btn.text = "✕"
	close_btn.pressed.connect(func() -> void: visible = false)
	top.add_child(close_btn)
	vbox.add_child(top)

	_my_rank_lbl = Label.new()
	_my_rank_lbl.add_theme_font_size_override("font_size", 13)
	_my_rank_lbl.add_theme_color_override("font_color", Color(0.75, 0.7, 0.55))
	vbox.add_child(_my_rank_lbl)

	var scroll := ScrollContainer.new()
	scroll.size_flags_vertical = Control.SIZE_EXPAND_FILL
	scroll.horizontal_scroll_mode = ScrollContainer.SCROLL_MODE_DISABLED
	vbox.add_child(scroll)

	_list = VBoxContainer.new()
	_list.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	_list.add_theme_constant_override("separation", 4)
	scroll.add_child(_list)

func open() -> void:
	visible = true
	await _render()

func _switch(by: String) -> void:
	_by = by
	for key in _tabs:
		(_tabs[key] as Button).button_pressed = key == by
	_render()

func _render() -> void:
	for c in _list.get_children():
		c.queue_free()
	var res: Dictionary = await GameState.leaderboard(_by)
	if not res.ok or not (res.body is Dictionary):
		_my_rank_lbl.text = "Yüklenemedi"
		return
	var d: Dictionary = res.body
	_my_rank_lbl.text = "Senin sıran: #%d" % int(d.get("my_rank", 0))
	var unit := {"steps": "👣", "level": "⭐", "gold": "🪙"}.get(_by, "")
	for r in d.get("rows", []):
		if r is Dictionary:
			_list.add_child(_row(r, str(unit)))

func _row(r: Dictionary, unit: String) -> HBoxContainer:
	var row := HBoxContainer.new()
	row.add_theme_constant_override("separation", 10)
	var me: bool = bool(r.get("me", false))
	var rank := int(r.get("rank", 0))
	var rank_lbl := Label.new()
	rank_lbl.text = ["🥇", "🥈", "🥉"][rank - 1] if rank <= 3 else "#%d" % rank
	rank_lbl.custom_minimum_size = Vector2(44, 0)
	row.add_child(rank_lbl)
	var name_lbl := Label.new()
	name_lbl.text = "%s (Lv %d)" % [str(r.get("name", "")), int(r.get("level", 1))]
	name_lbl.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	if me:
		name_lbl.add_theme_color_override("font_color", Color(0.5, 0.9, 0.5))
	row.add_child(name_lbl)
	var val_lbl := Label.new()
	val_lbl.text = "%s %d" % [unit, int(r.get("value", 0))]
	row.add_child(val_lbl)
	return row