## 锻造工坊子界面（自 CampOverlay 锻造柜台抽出——承载面迁移，界面逻辑复用零重设计）：
## 钥匙门（树上 forge_workshop 点亮前锁定态零行板零购买路径；点亮=两区六路线行板）。
## UI 只发意图信号（写口唯一归 MetaProgression 锻造写口族）；钮禁用=常态防线（余额/未解锁/满级/已选中）。
class_name ForgeView
extends CampSubViewBase

signal forge_buy_requested(route_id: String)      ## 锻造路线购买意图（写口唯一归 MetaProgression.forge_buy_level）
signal forge_unlock_requested(route_id: String)   ## 锻造路线解锁意图（写口唯一归 MetaProgression.forge_buy_unlock）
signal forge_select_requested(route_id: String)   ## 锻造路线选中意图（写口唯一归 MetaProgression.forge_select）

const ROW_PLATE_COL := UiKit.CAMP_ROW_PLATE

var _forge_lock_l: Label                # 锁定态行（钥匙未点亮）
var _forge_workbench: VBoxContainer     # 工作间（钥匙点亮后展开——两区六路线行板）
var _forge_zone_weapon: VBoxContainer   # 武器锻造区行板容器（三路线）
var _forge_zone_armor: VBoxContainer    # 护甲锻造区行板容器（三路线）
var _forge_rows: Array[Dictionary] = []   # [{route_id, name_l, lvl_l, status_l, buy_btn, unlock_btn, select_btn, next_price, unlock_price}]（open/refresh 重建；探针消费）


func _init() -> void:
	var holder := VBoxContainer.new()
	holder.add_theme_constant_override("separation", 6)
	holder.custom_minimum_size = Vector2(0, 336)
	_forge_lock_l = UiKit.label("🔒 锻造工坊未开放\n\n点亮树上「锻造工坊」钥匙节点后展开工作间。\n（钥匙免费、无前置——树上直接点亮）", UiKit.FS_HINT, false, UiKit.STONE_DEEP)
	_forge_lock_l.size_flags_vertical = Control.SIZE_SHRINK_CENTER
	_forge_lock_l.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
	_forge_lock_l.custom_minimum_size = Vector2(280, 0)
	_forge_workbench = VBoxContainer.new()
	_forge_workbench.add_theme_constant_override("separation", 6)
	_forge_workbench.visible = false   # 默认锁定态（钥匙门未判前零行板——门开才建）
	_forge_zone_weapon = VBoxContainer.new()
	_forge_zone_weapon.add_theme_constant_override("separation", 4)
	_forge_zone_armor = VBoxContainer.new()
	_forge_zone_armor.add_theme_constant_override("separation", 4)
	var wb_wh := UiKit.label("── 武器锻造区 ──", UiKit.FS_HINT, true, UiKit.GOLD_INK)
	_forge_workbench.add_child(wb_wh)
	_forge_workbench.add_child(_forge_zone_weapon)
	var wb_ah := UiKit.label("── 护甲锻造区 ──", UiKit.FS_HINT, true, UiKit.GOLD_INK)
	_forge_workbench.add_child(wb_ah)
	_forge_workbench.add_child(_forge_zone_armor)
	holder.add_child(_forge_lock_l)
	holder.add_child(_forge_workbench)
	var scroll := ScrollContainer.new()
	scroll.custom_minimum_size = Vector2(300, 336)
	scroll.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	scroll.horizontal_scroll_mode = ScrollContainer.SCROLL_MODE_DISABLED
	scroll.add_child(holder)
	_build_shell("锻造工坊", UiKit.TEX_ICON_FORGE, scroll)


func refresh_camp(data: Dictionary) -> void:
	_balance_label.text = "钥石 %d" % int(data.get("balance", 0))
	_refresh_key_gate(data)
	_rebuild_forge(data)


# 工作间钥匙门（树上 forge_workshop 行 level 判据——零核心访问，纯视图读投影）
func _refresh_key_gate(data: Dictionary) -> void:
	var lvl := 0
	for row in (data.get("tree", []) as Array):
		if String(row.get("node_id", "")) == "forge_workshop":
			lvl = int(row.get("level", 0))
	var open := lvl >= 1
	_forge_lock_l.visible = not open
	_forge_workbench.visible = open


# 锻造行板重建（两区六路线；refresh_camp 调用。行结构仿秘宝匣行板：件名+等级+状态+购买/解锁/选中钮）
func _rebuild_forge(data: Dictionary) -> void:
	for zone in [_forge_zone_weapon, _forge_zone_armor]:
		for c in zone.get_children():
			c.queue_free()
	_forge_rows.clear()
	if not _forge_workbench.visible:
		return   # 锁定态（钥匙未点亮）：零行板零购买路径——占位纪律延续
	var bal := int(data.get("balance", 0))
	for row in data.get("forge", []):
		var kind := String(row.get("kind", ""))
		var zone: VBoxContainer = _forge_zone_weapon if kind == "weapon" else _forge_zone_armor
		var card := _forge_route_card(row, bal)
		zone.add_child(card["card"])
		_forge_rows.append(card)


## 锻造行板构建域：单路线卡（件名+等级+状态+购买/解锁/选中钮——并联双通道呈现面）
func _forge_route_card(row: Dictionary, bal: int) -> Dictionary:
	var d := _forge_route_scalars(row)
	var card := PanelContainer.new()
	card.add_theme_stylebox_override("panel", UiKit.panel_flat(ROW_PLATE_COL, UiKit.PANEL_BORDER, UiKit.RADIUS_OBJECT, 1, Vector4(10, 4, 10, 4)))
	var line := HBoxContainer.new()
	line.add_theme_constant_override("separation", 6)
	card.add_child(line)
	var name_l := UiKit.label(String(row.get("display_name", "")), UiKit.FS_HINT, true, UiKit.INK)
	name_l.custom_minimum_size = Vector2(104, 0)
	name_l.clip_text = true
	name_l.text_overrun_behavior = TextServer.OVERRUN_TRIM_ELLIPSIS
	line.add_child(name_l)
	var lvl_l := UiKit.label("Lv%d/%d" % [d["lvl"], d["cap_v"]], 13, false, UiKit.INK_LABEL)
	lvl_l.custom_minimum_size = Vector2(44, 0)
	line.add_child(lvl_l)
	var status_l := UiKit.label(_forge_status_text(d, row), UiKit.FS_HINT, false, UiKit.STONE_DEEP)
	status_l.clip_text = true
	status_l.text_overrun_behavior = TextServer.OVERRUN_TRIM_ELLIPSIS
	status_l.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	line.add_child(status_l)
	var btns := _forge_route_buttons(d, row, bal, line)
	return {"card": card, "route_id": d["rid"], "name_l": name_l, "lvl_l": lvl_l, "status_l": status_l,
		"buy_btn": btns["buy_btn"], "unlock_btn": btns["unlock_btn"], "select_btn": btns["select_btn"],
		"next_price": d["next_price"], "unlock_price": d["unlock_price"]}


## 锻造行标量束：路线 id/解锁态/初始持有/等级/cap/几何价/解锁价一次取数
func _forge_route_scalars(row: Dictionary) -> Dictionary:
	return {
		"rid": String(row.get("route_id", "")),
		"unlocked": bool(row.get("unlocked", false)),
		"initial": bool(row.get("initial_owned", false)),
		"lvl": int(row.get("level", 0)),
		"cap_v": int(row.get("cap", 0)),
		"next_price": int(row.get("next_price", 0)),
		"unlock_price": int(row.get("unlock_price", 0)),
	}


## 状态文案域（并联双通道：练满前一档 or 一次性解锁价直购；已满级态）
func _forge_status_text(d: Dictionary, row: Dictionary) -> String:
	var st_text := "已解锁"
	if not d["unlocked"]:
		if d["initial"]:
			st_text = "未解锁"
		else:
			st_text = "未解锁 · 练满%s 或 %d 钥石直购" % [String(row.get("prereq_name", "")), d["unlock_price"]]
	elif d["lvl"] >= d["cap_v"]:
		st_text = "已满级"
	return st_text


## 三钮域：购买（已解锁未满级——余额不足禁用）/解锁（待解锁非初始——余额不足禁用）/选中（已解锁——当前=禁用态标记）
func _forge_route_buttons(d: Dictionary, row: Dictionary, bal: int, line: HBoxContainer) -> Dictionary:
	var buy_btn: Button = null
	if d["unlocked"] and d["lvl"] < d["cap_v"]:
		buy_btn = UiKit.button("锻造 %d" % d["next_price"], 0.0)   # 行板紧凑钮豁免
		buy_btn.pressed.connect(forge_buy_requested.emit.bind(d["rid"]))
		buy_btn.disabled = bal < d["next_price"]
		line.add_child(buy_btn)
	var unlock_btn: Button = null
	if not d["unlocked"] and not d["initial"]:
		unlock_btn = UiKit.button("解锁 %d" % d["unlock_price"], 0.0)   # 行板紧凑钮豁免
		unlock_btn.pressed.connect(forge_unlock_requested.emit.bind(d["rid"]))
		unlock_btn.disabled = bal < d["unlock_price"]
		line.add_child(unlock_btn)
	var select_btn: Button = null
	if d["unlocked"]:
		var sel := bool(row.get("selected", false))
		select_btn = UiKit.button("当前" if sel else "选中", 0.0)   # 行板紧凑钮豁免
		select_btn.pressed.connect(forge_select_requested.emit.bind(d["rid"]))
		select_btn.disabled = sel
		line.add_child(select_btn)
	return {"buy_btn": buy_btn, "unlock_btn": unlock_btn, "select_btn": select_btn}