## 属性编辑器标签 — 玩家属性的 base / soft / hard / combine
## 数据：res://data/attributes.json（权威属性定义见 docs/design/numerical_design.md §1.1）
@tool
extends VBoxContainer

const UI = preload("res://addons/game_designer/designer_ui.gd")
const PATH = "res://data/attributes.json"
# 显示与存储解耦：LABELS 仅供下拉显示，KEYS 才写进 JSON，二者 index 对齐
const COMBINE_KEYS   = ["hybrid", "inverse", "add_int"]
const COMBINE_LABELS = ["混合 hybrid", "反向 inverse", "整数加 add_int"]
const ATTR_ORDER = ["cpu_limit", "move_speed", "cast_delay_mod", "hp_max"]

var _data: Dictionary = {}
var _rows: Dictionary = {}   # attr_id → {"base": SpinBox, "soft": SpinBox, "hard": SpinBox, "combine": OptionButton}
var _status: Label

func _ready() -> void:
	add_child(UI.header("📊 属性编辑器 — 玩家属性 base / soft / hard / combine"))
	_load()
	var grid := GridContainer.new(); grid.columns = 5; add_child(grid)
	for h in ["属性", "基准 base", "软上限 soft", "硬上限 hard", "合成 combine"]:
		var l := Label.new(); l.text = h; l.modulate = Color(0.7, 0.8, 1.0)
		grid.add_child(l)
	for attr_id in ATTR_ORDER:
		var d: Dictionary = _data.get(attr_id, {})
		grid.add_child(UI.cell_label(String(d.get("display_name", attr_id))))
		var sp_base := UI.spin(-99999.0, 99999.0, 0.01, float(d.get("base", 0.0)))
		var sp_soft := UI.spin(-99999.0, 99999.0, 0.01, float(d.get("soft", 0.0)))
		var sp_hard := UI.spin(-99999.0, 99999.0, 0.01, float(d.get("hard", 0.0)))
		var idx: int = COMBINE_KEYS.find(String(d.get("combine", "hybrid")))
		var op := UI.opt(COMBINE_LABELS, idx if idx >= 0 else 0)
		grid.add_child(sp_base); grid.add_child(sp_soft); grid.add_child(sp_hard); grid.add_child(op)
		_rows[attr_id] = {"base": sp_base, "soft": sp_soft, "hard": sp_hard, "combine": op}
	add_child(HSeparator.new())
	var tip := Label.new()
	tip.text = "hard=0 在 hybrid 下表示不钳制；inverse 的 hard 是「下限」，填 0 即钳到 0（与 hybrid 相反）；add_int 拒绝 pct 加成。"
	tip.modulate = Color(0.7, 0.7, 0.7)
	add_child(tip)
	add_child(UI.btn("💾 保存 attributes.json", _save))
	_status = UI.status_label(); add_child(_status)

func _load() -> void:
	var d = UI.load_json(PATH)
	_data = d if d is Dictionary else {}

## SpinBox 按 step 吸附会引入双精度噪声（0.01 → 0.00999999999476），
## 直接写回会把噪声固化进 JSON；抹到 1e-6 精度，远细于本页任何有意义的调参粒度。
static func _clean(v: float) -> float:
	return snappedf(v, 0.000001)

## 表单 → 字典（合并式：以 _data 为基底保留未知键）
func _collect() -> Dictionary:
	var out: Dictionary = _data.duplicate(true)
	for attr_id in ATTR_ORDER:
		var r: Dictionary = _rows.get(attr_id, {})
		if r.is_empty():
			continue
		var entry: Dictionary = out.get(attr_id, {}).duplicate(true)
		entry["base"]    = _clean(r["base"].value)
		entry["soft"]    = _clean(r["soft"].value)
		entry["hard"]    = _clean(r["hard"].value)
		entry["combine"] = COMBINE_KEYS[r["combine"].selected]   # 存 key，不存双语显示串
		out[attr_id] = entry
	return out

func _save() -> void:
	if UI.save_json(PATH, _collect()):
		UI.set_status(_status, "💾 已保存（重启 F5 生效）")
	else:
		UI.set_status(_status, "✗ 保存失败", true)