## VERTICAL SLICE - NOT FOR PRODUCTION
## 棋盘生成表 schema：逐 (level_index, node_depth) 行生成参数的类型化读取（垂直切片验证：完整战斗逐行归因）。
## validate() 违例加载期致命（fail-fast）；solver_rules 结构冻结 single_subset——可解性/成本护栏随行校验强制。
class_name BoardGenTable
extends Resource

@export var rows: Array[Dictionary] = []   # Array[Dictionary]
const SOLVER_RULES := ["single", "single_subset"]
const COST_BUDGET := 16384           # F2c provisional 量级护栏（禁墙钟逃生）
const TARGET_ABS_FLOOR := 0.85       # 战斗结算 修订——target 域下限（P1 绝对锚）
const BOARD_TYPE_VOCABULARY := ["dungeon", "underdark", "deep_underdark"]   # 图类型词表 v1.1（含 deep_underdark 灰矮人矿道；玩家侧显示名「地图类型」）


func validate() -> Array:
	var errs: Array[Dictionary] = []
	if rows.is_empty():
		errs.append({"category": "empty_table", "message": "BoardGenTable 为空"})
		return errs
	var levels := {}
	var anchor_ok := {}
	for row in rows:
		var L: int = int(row.get("level_index", 0))
		var D: int = int(row.get("node_depth", -1))
		var key := "%d_%d" % [L, D]
		if levels.has(key):
			errs.append({"category": "dup_key", "message": "BoardGen 键重复: %s" % key})
		levels[key] = true
		if L < 1:
			errs.append({"category": "domain", "message": "level_index 须 ≥1"})
		if D < 0:
			errs.append({"category": "domain", "message": "node_depth 须 ≥0"})
		var w: int = int(row.get("board_width", 0))
		var h: int = int(row.get("board_height", 0))
		if w < 8 or w > 64 or h < 8 or h > 64:
			errs.append({"category": "domain", "message": "(%d,%d) 尺寸越域 [8,64]" % [L, D]})
		var d: float = float(row.get("mine_density", 0.0))
		if d <= 0.0 or d > 0.5:
			errs.append({"category": "domain", "message": "(%d,%d) mine_density 越域 (0,0.5]" % [L, D]})
		var t: float = float(row.get("inferability_target", 0.0))
		if t < TARGET_ABS_FLOOR or t > 1.0:
			errs.append({"category": "domain", "message": "(%d,%d) inferability_target 越域 [0.85,1]（P1 绝对锚）" % [L, D]})
		if not SOLVER_RULES.has(row.get("solver_rules", "")):
			errs.append({"category": "enum", "message": "(%d,%d) solver_rules 出域" % [L, D]})
		if row.get("solver_rules", "") != "single_subset":
			errs.append({"category": "frozen", "message": "(%d,%d) solver_rules 冻结 single_subset" % [L, D]})
		var ms: int = int(row.get("min_safe_count", 0))
		if ms < 1 or ms > 999:
			errs.append({"category": "domain", "message": "(%d,%d) min_safe_count 越域 [1,999]" % [L, D]})
		var att: int = int(row.get("max_gen_attempts", 0))
		if att < 1 or att > 32:
			errs.append({"category": "domain", "message": "(%d,%d) max_gen_attempts 越域 [1,32]" % [L, D]})
		# 布雷数下限（R3）——零雷板拒绝（−9 = 出生区格数，常量单点 BoardData.SPAWN_AREA_CELLS）
		var n_mines := int(round(d * float(w * h - BoardData.SPAWN_AREA_CELLS)))
		if n_mines < 1:
			errs.append({"category": "cross_field", "message": "(%d,%d) 布雷数下限违例 round(d×(W×H−9)) ≥ 1" % [L, D]})
		# F2b min_safe 可行性
		if w * h - n_mines < ms:
			errs.append({"category": "cross_field", "message": "(%d,%d) min_safe_feasible 违例" % [L, D]})
		# F2c 成本可行性
		if att * w * h > COST_BUDGET:
			errs.append({"category": "cross_field", "message": "(%d,%d) cost_feasible 违例 attempts×W×H ≤ %d" % [L, D, COST_BUDGET]})
		# 图类型词表 v1.0（dungeon=地牢基线 / underdark=幽暗地域；扩词走本表修订）
		var bt: String = str(row.get("board_type", ""))
		if not BOARD_TYPE_VOCABULARY.has(bt):
			errs.append({"category": "cross_field", "message": "(%d,%d) board_type 越词表: %s" % [L, D, bt]})
		# 初始展开收窄两参数（加载期校验违例致命；缺省 shave=1 现行投值 / cap=0 闸关防御口径）
		var sr: int = int(row.get("shave_ring_radius", 1))
		if sr < 0 or sr > 2:
			errs.append({"category": "domain", "message": "(%d,%d) shave_ring_radius 越域 [0,2]: %d" % [L, D, sr]})
		var r0_cap: int = int(row.get("r0_max_cap", 0))
		if r0_cap > 0:
			# 护栏（需求卡片 §二）：cap ≥ 出生格数 9（BoardData.SPAWN_AREA_CELLS）、cap ≤ 板格数一半
			if r0_cap < BoardData.SPAWN_AREA_CELLS:
				errs.append({"category": "cross_field", "message": "(%d,%d) r0_max_cap 低于出生保障面 %d: %d" % [L, D, BoardData.SPAWN_AREA_CELLS, r0_cap]})
			if r0_cap > (w * h) / 2:
				errs.append({"category": "cross_field", "message": "(%d,%d) r0_max_cap 超板格数一半 %d: %d" % [L, D, (w * h) / 2, r0_cap]})
		anchor_ok[L] = anchor_ok.get(L, false) or D == 0
	for L in anchor_ok.keys():
		if not anchor_ok[L]:
			errs.append({"category": "anchor", "message": "level %d 缺 depth-0 锚行（EC15）" % L})
	return errs