## Core（法杖）编辑器标签 — 槽位/拓扑/CPU/施法间隔/特性/矩阵·电路结构
@tool
extends VBoxContainer

const UI = preload("res://addons/game_designer/designer_ui.gd")
const PATH = "res://data/cores.json"
const TOPO = ["LINEAR 线性", "MATRIX 矩阵", "CIRCUIT 电路"]
const FEAT = ["无", "PERSISTENT_MEMORY 记忆", "DUAL_STREAM 双流", "ALWAYS_CAST_LAST", "SHUFFLE_DECK", "INFINITE_SPELLS"]

var _data: Dictionary = {}
var _cur: String = ""
var _list: ItemList
var _id: LineEdit
var _name: LineEdit
var _slots: SpinBox
var _topo: OptionButton
var _cpu: SpinBox
var _interval: SpinBox
var _mana_max: SpinBox
var _mana_regen: SpinBox
var _feat: OptionButton
var _rows: SpinBox
var _cols: SpinBox
var _edges: TextEdit
var _status: Label

func _ready() -> void:
	add_child(UI.header("🪄 Core 编辑器 — 法杖拓扑与特性"))
	_load()
	_list = ItemList.new()
	_list.custom_minimum_size = Vector2(0, 90)
	_list.item_selected.connect(_on_select)
	add_child(_list)
	var brow := HBoxContainer.new(); add_child(brow)
	brow.add_child(UI.btn("➕新增", _on_new))
	brow.add_child(UI.btn("🗑删除", _on_delete))
	add_child(HSeparator.new())
	_id = _row("ID", UI.line(""))
	_name = _row("显示名", UI.line("", "tr 键或文本"))
	_slots = _row("槽位数", UI.spin(1, 20, 1, 5))
	_topo = _row("拓扑", UI.opt(TOPO, 0))
	_cpu = _row("CPU 上限", UI.spin(1, 40, 1, 5))
	_interval = _row("施法间隔(s)", UI.spin(0.05, 5, 0.05, 0.5))
	_mana_max = _row("蓝上限(Mana Max)", UI.spin(0, 1000, 5, 100))
	_mana_regen = _row("回蓝/秒(Mana Regen)", UI.spin(0, 100, 0.5, 5))
	_feat = _row("特性", UI.opt(FEAT, 0))
	_rows = _row("矩阵行(MATRIX)", UI.spin(1, 8, 1, 1))
	_cols = _row("矩阵列(MATRIX)", UI.spin(1, 16, 1, 5))
	add_child(Label.new())
	var el := Label.new(); el.text = "电路边(CIRCUIT，JSON)"; add_child(el)
	_edges = TextEdit.new(); _edges.custom_minimum_size = Vector2(0, 50)
	_edges.placeholder_text = '[{"from":0,"to":1},{"from":0,"to":2}]'
	add_child(_edges)
	add_child(HSeparator.new())
	var srow := HBoxContainer.new(); add_child(srow)
	srow.add_child(UI.btn("✓应用", _on_apply))
	srow.add_child(UI.btn("💾保存 cores.json", _save))
	_status = UI.status_label(); add_child(_status)
	_refresh()

func _row(label: String, ctrl: Control) -> Control:
	var h := HBoxContainer.new()
	h.add_child(UI.cell_label(label))
	h.add_child(ctrl)
	add_child(h)
	return ctrl

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

func _refresh() -> void:
	_list.clear()
	var ids: Array = _data.keys(); ids.sort()
	for cid in ids:
		_list.add_item("%s（%s）" % [cid, _data[cid].get("display_name", "")])
		_list.set_item_metadata(_list.item_count - 1, cid)

func _on_select(idx: int) -> void:
	_cur = String(_list.get_item_metadata(idx))
	var d: Dictionary = _data.get(_cur, {})
	_id.text = _cur
	_name.text = String(d.get("display_name", ""))
	_slots.value = float(d.get("slot_count", 5))
	_topo.selected = int(d.get("topology", 0))
	_cpu.value = float(d.get("cpu_limit", 5))
	_interval.value = float(d.get("cast_interval", 0.5))
	_mana_max.value = float(d.get("mana_max", 100))
	_mana_regen.value = float(d.get("mana_regen", 5))
	_feat.selected = int(d.get("feature_tags", 0))
	_rows.value = float(d.get("grid_rows", 1))
	_cols.value = float(d.get("grid_cols", 5))
	_edges.text = JSON.stringify(d.get("edges", []))

func _on_apply() -> void:
	var cid: String = _id.text.strip_edges()
	if cid == "":
		UI.set_status(_status, "✗ ID 不能为空", true); return
	var edges = JSON.parse_string(_edges.text) if _edges.text.strip_edges() != "" else []
	if not (edges is Array):
		edges = []
	if _cur != "" and _cur != cid and _data.has(_cur):
		_data.erase(_cur)
	_data[cid] = {
		"display_name": _name.text, "slot_count": int(_slots.value),
		"topology": _topo.selected, "cpu_limit": int(_cpu.value),
		"cast_interval": _interval.value, "feature_tags": _feat.selected,
		"mana_max": int(_mana_max.value), "mana_regen": _mana_regen.value,
		"grid_rows": int(_rows.value), "grid_cols": int(_cols.value), "edges": edges,
	}
	_cur = cid
	_refresh()
	UI.set_status(_status, "✓ 已应用『%s』（记得保存）" % cid)

func _on_new() -> void:
	var cid := "new_core"
	var i := 1
	while _data.has(cid): cid = "new_core_%d" % i; i += 1
	_data[cid] = {"display_name": cid, "slot_count": 5, "topology": 0,
		"cpu_limit": 5, "cast_interval": 0.5, "feature_tags": 0,
		"mana_max": 100, "mana_regen": 5, "edges": []}
	_refresh()

func _on_delete() -> void:
	if _cur != "" and _data.has(_cur):
		_data.erase(_cur); _cur = ""; _refresh()
		UI.set_status(_status, "已删除（记得保存）")

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