# VERTICAL SLICE - NOT FOR PRODUCTION
# Validation Question: 玩家能否无指导在一场完整战斗中经历「开战→挖掘规划→轮末结算逐行兑现→胜/负」并逐行归因（P2）
# Date: 2026-09-10
# 数据配置 BoardGenTable schema（棋盘生成 回填值；键 (level_index, node_depth)——首个进度键表）。
# 依据 design/archive/gdd-2026-09-14/a1-board-generation.md "BoardGenTable Schema 定稿" + F2/F2b/F2c 谓词。
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（2026-09-20 L3 内容批 +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
		var n_mines := int(round(d * float(w * h - 9)))
		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（2026-09-19 用户拍板定稿：dungeon=地牢基线 / underdark=幽暗地域；扩词随内容批走修订）
		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]})
		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