# dungeon_ranking_system.gd —— Metin2 40250 地牢信息面板与最速通关记录系统 1:1
# 对照 40250 服务端与客户端 dungeon_info.cpp, dungeon.cpp, uidungeoninfo.py
class_name DungeonRankingSystem
extends RefCounted

signal record_updated(dungeon_id: String, fastest_time: float, total_clears: int)
signal new_fastest_record(dungeon_id: String, new_time: float, old_time: float)

# 40250 官方经典地牢登记表
const DUNGEON_REGISTRY: Dictionary = {
	"demon_tower": {
		"name": "恶魔之塔",
		"min_level": 40,
		"ticket_vnum": 0,
		"ticket_count": 0,
		"ticket_name": "无",
		"cooldown_seconds": 0.0
	},
	"spider_dungeon_3": {
		"name": "蜘蛛洞穴三层",
		"min_level": 50,
		"ticket_vnum": 30327,
		"ticket_count": 1,
		"ticket_name": "蜘蛛钥匙",
		"cooldown_seconds": 1800.0 # 30 分钟
	},
	"dragon_lair": {
		"name": "冰龙贝兰巢穴",
		"min_level": 75,
		"ticket_vnum": 30179,
		"ticket_count": 3,
		"ticket_name": "扭曲钥匙",
		"cooldown_seconds": 3600.0 # 60 分钟
	},
	"devils_catacomb": {
		"name": "地下墓穴",
		"min_level": 75,
		"ticket_vnum": 30311,
		"ticket_count": 1,
		"ticket_name": "灵魂水晶钥匙",
		"cooldown_seconds": 3600.0 # 60 分钟
	}
}

# 个人通关数据字典: dungeon_id -> Dictionary
var dungeon_records: Dictionary = {}

func _init() -> void:
	for d_id in DUNGEON_REGISTRY.keys():
		dungeon_records[d_id] = {
			"total_clears": 0,
			"fastest_clear_time": 999999.0, # 初始极大值
			"highest_peak_damage": 0,
			"last_clear_timestamp": 0.0
		}

# 记录通关结算
func record_clear(
	dungeon_id: String,
	clear_time_sec: float,
	peak_damage: int,
	current_timestamp: float = 0.0
) -> Dictionary:
	if not DUNGEON_REGISTRY.has(dungeon_id):
		return {"ok": false, "reason": "INVALID_DUNGEON_ID", "msg": "未知的地牢！"}

	var rec = dungeon_records[dungeon_id]
	rec["total_clears"] += 1
	rec["last_clear_timestamp"] = current_timestamp

	# 检查并更新最高单次输出伤害
	if peak_damage > int(rec["highest_peak_damage"]):
		rec["highest_peak_damage"] = peak_damage

	# 检查是否刷新最速通关记录
	var is_new_record := false
	var old_time: float = float(rec["fastest_clear_time"])
	if clear_time_sec < old_time:
		is_new_record = true
		rec["fastest_clear_time"] = clear_time_sec
		new_fastest_record.emit(dungeon_id, clear_time_sec, old_time)

	record_updated.emit(dungeon_id, rec["fastest_clear_time"], rec["total_clears"])

	var dname: String = DUNGEON_REGISTRY[dungeon_id]["name"]
	return {
		"ok": true,
		"dungeon_id": dungeon_id,
		"dungeon_name": dname,
		"clear_time": clear_time_sec,
		"is_new_record": is_new_record,
		"fastest_time": rec["fastest_clear_time"],
		"total_clears": rec["total_clears"],
		"highest_peak_damage": rec["highest_peak_damage"],
		"msg": "【%s】通关成功！耗时 %.1f 秒%s！" % [dname, clear_time_sec, " (刷新最快纪录!)" if is_new_record else ""]
	}

# 获取地牢详情与入场/冷却状态
func get_dungeon_info(dungeon_id: String, current_timestamp: float = 0.0) -> Dictionary:
	if not DUNGEON_REGISTRY.has(dungeon_id):
		return {"ok": false, "reason": "INVALID_DUNGEON_ID"}

	var cfg = DUNGEON_REGISTRY[dungeon_id]
	var rec = dungeon_records[dungeon_id]

	# 判定冷却时间
	var cd_sec: float = float(cfg["cooldown_seconds"])
	var last_ts: float = float(rec["last_clear_timestamp"])
	var elapsed := current_timestamp - last_ts
	var is_on_cooldown := (cd_sec > 0.0 and last_ts > 0.0 and elapsed < cd_sec)
	var remaining_cd := maxf(0.0, cd_sec - elapsed) if is_on_cooldown else 0.0

	return {
		"ok": true,
		"dungeon_id": dungeon_id,
		"name": cfg["name"],
		"min_level": cfg["min_level"],
		"ticket_vnum": cfg["ticket_vnum"],
		"ticket_count": cfg["ticket_count"],
		"ticket_name": cfg["ticket_name"],
		"is_on_cooldown": is_on_cooldown,
		"remaining_cooldown": remaining_cd,
		"total_clears": rec["total_clears"],
		"fastest_clear_time": rec["fastest_clear_time"] if rec["fastest_clear_time"] < 999999.0 else 0.0,
		"highest_peak_damage": rec["highest_peak_damage"]
	}

# 获取全部地牢摘要速览列表
func get_all_dungeon_summaries(current_timestamp: float = 0.0) -> Array:
	var list: Array = []
	for d_id in DUNGEON_REGISTRY.keys():
		list.append(get_dungeon_info(d_id, current_timestamp))
	return list