import * as exp from "constants"
import { HeroInfo, HeroList, HType } from "./heroSet"
import { FightSet, SKILL_CARD_WAVES } from "./GameSet"
import { oops } from "db://oops-framework/core/Oops"
import { SkillOverrides, TGroup } from "./SkillSet"

class I18nString {
    constructor(private key: string, private params?: any[]) { }
    private getTranslated(): string {
        let str = oops.language.getLangByID(this.key) || this.key;
        if (this.params && this.params.length > 0) {
            for (let i = 0; i < this.params.length; i++) {
                str = str.replace(`{${i}}`, String(this.params[i]));
            }
        }
        return str;
    }
    toString() { return this.getTranslated(); }
    valueOf() { return this.getTranslated(); }
    toJSON() { return this.getTranslated(); }
    get length() { return this.toString().length; }
}
const t = (key: string, ...params: any[]) => new I18nString(key, params) as unknown as string;

/** 卡牌大类定义 */
export enum CardType {
    Hero = 1,
    Skill = 2,
    SpecialUpgrade = 3,
    SpecialRefresh = 4,
}
/** 卡牌大类定义 */
export enum CKind {
    Hero = 1, //英雄
    Skill = 2, //技能
    Card = 3,  //卡牌
    Potion = 4, //药水
}

/** 技能卡触发类型 */
export enum CardSkillType {
    Interval = 1,       // 间隔定时触发 (战斗中每隔N秒执行)
    Field = 2,          // 驻场技能 (被动光环)
    BattleStart = 3,    // 战斗开始时触发一次
    BattleEnd = 4,      // 战斗结束时触发一次
    HeroDead = 5,       // 场上己方英雄死亡时触发
    HeroCall = 6,       // 场上己方英雄召唤上场时触发
}

/**
 * 卡牌技能触发类型
 * - 命名对齐英雄侧 SkillTriggerType，便于跨模块认知统一
 * - 枚举值从 1 开始，避免 0 的 falsy 坑（if (trigger_type) 判断出错）
 */
export enum CardTriggerType {
    Instant = 1,  // 即时触发：使用后立即生效一次
    Interval = 2,  // 定时循环：战斗中按 t_inv 间隔重复触发
    Field = 3,  // 驻场光环：被动生效（仅显式分类，仍由 field 字段驱动）
    FightStart = 4,  // 战斗开始时触发
    FightEnd = 5,  // 战斗结束时触发（每波结束）
    HeroDead = 6,  // 场上己方英雄死亡时触发
    HeroCall = 7,  // 英雄上场时触发（主角召唤 + 技能召唤 + 复活）
}

/**
 * 卡池等级占位枚举（已废弃分层语义）。
 * 新机制下所有英雄卡均属 LV1，不再使用卡池升级。
 * 保留枚举仅为兼容历史代码引用。
 */
export enum CardLV {
    LV1 = 1,
    LV2 = 2,
    LV3 = 3,
    LV4 = 4,
    LV5 = 5,
}

/** 通用卡牌配置 */
export interface CardConfig {
    uuid: number
    type: CardType
    cost: number
    weight: number
    kind: CKind
    pool_lv: CardLV
    wave?: number           // 针对技能卡：仅在指定波次(wave)才能抽到
    hero_lv?: number
    card_lv?: number
    base_pool_lv?: number

    // 技能卡扩展属性
    skill?: number          // 关联的技能 UUID
    icon?: string           // 图标ID（可选，优先使用；未设置时按 trigger_type 从 SkillSet/FieldSkillSet 自动取）
    name?: string           // 卡牌名称
    info?: string           // 卡牌描述信息
    is_inst?: boolean       // 是否即时起效
    t_times?: number        // 触发次数
    t_inv?: number          // 触发间隔(秒)
    keep_waves?: number     // 维持的波次数（-1表示持续到战斗结束，0或undefined表示仅本波次）
    overrides?: SkillOverrides // 技能参数覆写（如自定义伤害ap、buff值、金币数等）
    field?: number[]        // 驻场技能 UUID 数组，表示该卡牌提供驻场属性加成

    /** 触发类型（必填，技能卡专用；功能卡/英雄卡可缺省） */
    trigger_type?: CardTriggerType;
    /**
     * 事件型触发的全局次数上限（仅 FightStart/FightEnd/HeroDead/HeroCall 有效）
     * 默认 Infinity；达到上限后销毁节点
     * 注意：与 t_times 语义不同——t_times 控制每波内 Interval 的次数
     */
    trigger_limit?: number;

    /**
     * 动态升级卡专属：目标英雄实体 eid（运行时唯一）。
     * 仅当 type === CardType.SpecialUpgrade 且该卡由 buildDrawCards 动态生成时使用。
     * 使用该卡时精确升级场上对应 eid 的英雄实体。
     */
    target_hero_eid?: number;
}

/** 升级卡折扣表（已废弃，保留以兼容历史引用） */
export const CardsUpSet: Record<number, number> = {
    1: 50,
    2: 100,
    3: 150,
    4: 200,
    5: 250,
}

/** 卡池升级每波减免金额（已废弃，保留以兼容历史引用） */
export const CARD_POOL_UPGRADE_DISCOUNT_PER_WAVE = 10
/** 卡池默认初始等级（已废弃，所有卡牌统一 LV1） */
export const CARD_POOL_INIT_LEVEL = CardLV.LV1
/** 卡池等级上限（已废弃，所有卡牌统一 LV1） */
export const CARD_POOL_MAX_LEVEL = CardLV.LV1
/** 英雄最高等级限制（已废弃，统一由 FightSet.HERO_MAX_LV 控制） */
export const CARD_HERO_MAX_LEVEL = 1

/** 基础卡池（英雄、技能、功能） */
export const CardPoolList: CardConfig[] = [];

// 动态生成英雄卡池：所有英雄统一生成 lv1 卡牌
HeroList.forEach(uuid => {
    const hero = HeroInfo[uuid];
    if (!hero) return;

    const baseCost = FightSet.BASE_COST;
    const baseWeight = 25;

    CardPoolList.push({
        uuid: hero.uuid,
        type: CardType.Hero,
        cost: baseCost,
        weight: baseWeight,
        pool_lv: CardLV.LV1,
        kind: CKind.Hero,
        hero_lv: 1,
        base_pool_lv: 1,
    });
});

// 添加非英雄卡牌 (技能、功能卡)
// 体系：wave 由 SKILL_CARD_WAVES 统一配置，每档强度递增（Field 靠 field uuid 区分数值，Interval 靠 overrides 覆写）
// wave→card_lv 映射由 SKILL_CARD_WAVES 索引+1 自动生成（wave 1→lv1, wave 5→lv2, wave 8→lv3）
const waveToCardLv: Record<number, number> = {};
SKILL_CARD_WAVES.forEach((w, i) => { waveToCardLv[w] = i + 1; });

const SkillCardData: any[] = [
    // ==================== wave 1 档（基础强度） ====================
    // --- 驻场卡（Field） ---

    { uuid: 8701, skill: 0, wave: SKILL_CARD_WAVES[0], name: "战后恢复", info: "战斗结束生命回复量+10%", is_inst: false, keep_waves: -1, field: [7001], trigger_type: CardTriggerType.Field },
    { uuid: 8702, skill: 0, wave: SKILL_CARD_WAVES[0], name: "攻击加成", info: "英雄攻击力+10%", is_inst: false, keep_waves: -1, field: [7002], trigger_type: CardTriggerType.Field },
    { uuid: 8703, skill: 0, wave: SKILL_CARD_WAVES[0], name: "击晕加成", info: "英雄击晕概率+10%", is_inst: false, keep_waves: -1, field: [7003], trigger_type: CardTriggerType.Field },
    { uuid: 8704, skill: 0, wave: SKILL_CARD_WAVES[0], name: "暴击加成", info: "英雄暴击率+10%", is_inst: false, keep_waves: -1, field: [7004], trigger_type: CardTriggerType.Field },
    { uuid: 8705, skill: 0, wave: SKILL_CARD_WAVES[0], name: "暴伤加成", info: "英雄暴击伤害+20%", is_inst: false, keep_waves: -1, field: [7005], trigger_type: CardTriggerType.Field },
    { uuid: 8706, skill: 0, wave: SKILL_CARD_WAVES[0], name: "攻速加成", info: "英雄攻击速度+10%", is_inst: false, keep_waves: -1, field: [7006], trigger_type: CardTriggerType.Field },
    { uuid: 8707, skill: 0, wave: SKILL_CARD_WAVES[0], name: "生命加成", info: "英雄最大生命+10%", is_inst: false, keep_waves: -1, field: [7007], trigger_type: CardTriggerType.Field },
    { uuid: 8708, skill: 0, wave: SKILL_CARD_WAVES[0], name: "风怒加成", info: "英雄风怒概率+10%", is_inst: false, keep_waves: -1, field: [7008], trigger_type: CardTriggerType.Field },
    { uuid: 8709, skill: 0, wave: SKILL_CARD_WAVES[0], name: "穿刺加成", info: "英雄穿刺概率+10%", is_inst: false, keep_waves: -1, field: [7009], trigger_type: CardTriggerType.Field },

    { uuid: 8710, skill: 0, wave: SKILL_CARD_WAVES[0], name: "金币收益", info: "每回合金币收益+1", is_inst: false, keep_waves: -1, field: [7010], trigger_type: CardTriggerType.Field },
    { uuid: 8711, skill: 0, wave: SKILL_CARD_WAVES[0], name: "出售强化", info: "卖出英雄金币+1", is_inst: false, keep_waves: -1, field: [7011], trigger_type: CardTriggerType.Field },

    // ==================== wave 5 档（强度 ×2） ====================
    // --- 驻场卡（field uuid +200，对应 FieldSkillSet 72xx 段） ---
    { uuid: 8751, skill: 0, wave: SKILL_CARD_WAVES[1], name: "战后恢复+", info: "战斗结束生命回复量+20%", is_inst: false, keep_waves: -1, field: [7201], trigger_type: CardTriggerType.Field },
    { uuid: 8752, skill: 0, wave: SKILL_CARD_WAVES[1], name: "攻击加成+", info: "英雄攻击力+20%", is_inst: false, keep_waves: -1, field: [7202], trigger_type: CardTriggerType.Field },
    { uuid: 8753, skill: 0, wave: SKILL_CARD_WAVES[1], name: "击晕加成+", info: "英雄击晕概率+20%", is_inst: false, keep_waves: -1, field: [7203], trigger_type: CardTriggerType.Field },
    { uuid: 8754, skill: 0, wave: SKILL_CARD_WAVES[1], name: "暴击加成+", info: "英雄暴击率+20%", is_inst: false, keep_waves: -1, field: [7204], trigger_type: CardTriggerType.Field },
    { uuid: 8755, skill: 0, wave: SKILL_CARD_WAVES[1], name: "暴伤加成+", info: "英雄暴击伤害+40%", is_inst: false, keep_waves: -1, field: [7205], trigger_type: CardTriggerType.Field },
    { uuid: 8756, skill: 0, wave: SKILL_CARD_WAVES[1], name: "攻速加成+", info: "英雄攻击速度+20%", is_inst: false, keep_waves: -1, field: [7206], trigger_type: CardTriggerType.Field },
    { uuid: 8757, skill: 0, wave: SKILL_CARD_WAVES[1], name: "生命加成+", info: "英雄最大生命+20%", is_inst: false, keep_waves: -1, field: [7207], trigger_type: CardTriggerType.Field },
    { uuid: 8758, skill: 0, wave: SKILL_CARD_WAVES[1], name: "风怒加成+", info: "英雄风怒概率+20%", is_inst: false, keep_waves: -1, field: [7208], trigger_type: CardTriggerType.Field },
    { uuid: 8759, skill: 0, wave: SKILL_CARD_WAVES[1], name: "穿刺加成+", info: "英雄穿刺概率+20%", is_inst: false, keep_waves: -1, field: [7209], trigger_type: CardTriggerType.Field },
    // --- 范围攻击卡（ap 递增，间隔缩短） ---
    { uuid: 8261, skill: 6201, wave: SKILL_CARD_WAVES[1], name: "雷墙+", info: "召唤雷墙阻挡敌人,有概率击晕", is_inst: false, t_inv: 5, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 150 } },
    { uuid: 8262, skill: 6202, wave: SKILL_CARD_WAVES[1], name: "火墙+", info: "召唤火墙阻挡敌人,有概率击晕", is_inst: false, t_inv: 5, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 150 } },
    { uuid: 8263, skill: 6203, wave: SKILL_CARD_WAVES[1], name: "飓风+", info: "召唤飓风攻击敌人,有概率击晕", is_inst: false, t_inv: 5, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 150 } },
    { uuid: 8264, skill: 6204, wave: SKILL_CARD_WAVES[1], name: "水墙+", info: "召唤水墙阻挡敌人,有概率击晕", is_inst: false, t_inv: 5, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 150 } },
    { uuid: 8265, skill: 6205, wave: SKILL_CARD_WAVES[1], name: "风墙+", info: "召唤风墙困住敌人,有概率击晕", is_inst: false, t_inv: 5, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 150 } },
    { uuid: 8266, skill: 6206, wave: SKILL_CARD_WAVES[1], name: "陨石术+", info: "召唤陨石范围攻击敌人，有概率击晕", is_inst: false, t_inv: 5, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 150 } },


    { uuid: 8760, skill: 0, wave: SKILL_CARD_WAVES[1], name: "金币收益+", info: "每回合金币收益+2", is_inst: false, keep_waves: -1, field: [7210], trigger_type: CardTriggerType.Field },
    { uuid: 8761, skill: 0, wave: SKILL_CARD_WAVES[1], name: "购买优惠+", info: "购买卡牌费用-2金币", is_inst: false, keep_waves: -1, field: [7212], trigger_type: CardTriggerType.Field },
    { uuid: 8762, skill: 0, wave: SKILL_CARD_WAVES[1], name: "刷新优惠", info: "刷新卡牌费用-1金币", is_inst: false, keep_waves: -1, field: [7213], trigger_type: CardTriggerType.Field },


    // ==================== wave 8 档（强度 ×3） ====================
    // --- 驻场卡（field uuid +400，对应 FieldSkillSet 74xx 段） ---
    { uuid: 8801, skill: 0, wave: SKILL_CARD_WAVES[2], name: "战后恢复++", info: "战斗结束生命回复量+30%", is_inst: false, keep_waves: -1, field: [7401], trigger_type: CardTriggerType.Field },
    { uuid: 8802, skill: 0, wave: SKILL_CARD_WAVES[2], name: "攻击加成++", info: "英雄攻击力+30%", is_inst: false, keep_waves: -1, field: [7402], trigger_type: CardTriggerType.Field },
    { uuid: 8803, skill: 0, wave: SKILL_CARD_WAVES[2], name: "击晕加成++", info: "英雄击晕概率+30%", is_inst: false, keep_waves: -1, field: [7403], trigger_type: CardTriggerType.Field },
    { uuid: 8804, skill: 0, wave: SKILL_CARD_WAVES[2], name: "暴击加成++", info: "英雄暴击率+30%", is_inst: false, keep_waves: -1, field: [7404], trigger_type: CardTriggerType.Field },
    { uuid: 8805, skill: 0, wave: SKILL_CARD_WAVES[2], name: "暴伤加成++", info: "英雄暴击伤害+60%", is_inst: false, keep_waves: -1, field: [7405], trigger_type: CardTriggerType.Field },
    { uuid: 8806, skill: 0, wave: SKILL_CARD_WAVES[2], name: "攻速加成++", info: "英雄攻击速度+30%", is_inst: false, keep_waves: -1, field: [7406], trigger_type: CardTriggerType.Field },
    { uuid: 8807, skill: 0, wave: SKILL_CARD_WAVES[2], name: "生命加成++", info: "英雄最大生命+30%", is_inst: false, keep_waves: -1, field: [7407], trigger_type: CardTriggerType.Field },
    { uuid: 8808, skill: 0, wave: SKILL_CARD_WAVES[2], name: "风怒加成++", info: "英雄风怒概率+30%", is_inst: false, keep_waves: -1, field: [7408], trigger_type: CardTriggerType.Field },
    { uuid: 8809, skill: 0, wave: SKILL_CARD_WAVES[2], name: "穿刺加成++", info: "英雄穿刺概率+30%", is_inst: false, keep_waves: -1, field: [7409], trigger_type: CardTriggerType.Field },

    { uuid: 8361, skill: 6201, wave: SKILL_CARD_WAVES[2], name: "雷墙++", info: "召唤雷墙阻挡敌人,有概率击晕", is_inst: false, t_inv: 4, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 250 } },
    { uuid: 8362, skill: 6202, wave: SKILL_CARD_WAVES[2], name: "火墙++", info: "召唤火墙阻挡敌人,有概率击晕", is_inst: false, t_inv: 4, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 250 } },
    { uuid: 8363, skill: 6203, wave: SKILL_CARD_WAVES[2], name: "飓风++", info: "召唤飓风攻击敌人,有概率击晕", is_inst: false, t_inv: 4, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 250 } },
    { uuid: 8364, skill: 6204, wave: SKILL_CARD_WAVES[2], name: "水墙++", info: "召唤水墙阻挡敌人,有概率击晕", is_inst: false, t_inv: 4, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 250 } },
    { uuid: 8365, skill: 6205, wave: SKILL_CARD_WAVES[2], name: "风墙++", info: "召唤风墙困住敌人,有概率击晕", is_inst: false, t_inv: 4, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 250 } },
    { uuid: 8366, skill: 6206, wave: SKILL_CARD_WAVES[2], name: "陨石术++", info: "召唤陨石范围攻击敌人，有概率击晕", is_inst: false, t_inv: 4, keep_waves: -1, trigger_type: CardTriggerType.Interval, overrides: { ap: 250 } },


    { uuid: 8810, skill: 0, wave: SKILL_CARD_WAVES[2], name: "金币收益++", info: "每回合金币收益+3", is_inst: false, keep_waves: -1, field: [7410], trigger_type: CardTriggerType.Field },

    { uuid: 8811, skill: 0, wave: SKILL_CARD_WAVES[2], name: "召唤强化++", info: "召唤触发技能次数+1", is_inst: false, keep_waves: -1, field: [7014], trigger_type: CardTriggerType.Field },
    { uuid: 8812, skill: 0, wave: SKILL_CARD_WAVES[2], name: "死亡强化++", info: "死亡触发技能次数+1", is_inst: false, keep_waves: -1, field: [7015], trigger_type: CardTriggerType.Field },
    { uuid: 8813, skill: 0, wave: SKILL_CARD_WAVES[2], name: "开场强化++", info: "战斗开始触发技能次数+1", is_inst: false, keep_waves: -1, field: [7016], trigger_type: CardTriggerType.Field },
    { uuid: 8814, skill: 0, wave: SKILL_CARD_WAVES[2], name: "结束强化++", info: "战斗结束触发技能次数+1", is_inst: false, keep_waves: -1, field: [7017], trigger_type: CardTriggerType.Field },
    { uuid: 8815, skill: 0, wave: SKILL_CARD_WAVES[2], name: "攻击强化++", info: "攻击触发技能次数+1", is_inst: false, keep_waves: -1, field: [7018], trigger_type: CardTriggerType.Field },
    { uuid: 8816, skill: 0, wave: SKILL_CARD_WAVES[2], name: "受击强化++", info: "被攻击触发技能次数+1", is_inst: false, keep_waves: -1, field: [7019], trigger_type: CardTriggerType.Field },
    // --- 范围攻击卡（ap 最高，间隔最短） ---
];

SkillCardData.forEach(data => {
    const cardLv = waveToCardLv[data.wave] ?? 1;
    CardPoolList.push({
        uuid: data.uuid,
        skill: data.skill || undefined,
        type: CardType.Skill,
        cost: 0,
        weight: 10,
        pool_lv: CardLV.LV1,
        wave: data.wave,
        kind: CKind.Skill,
        card_lv: cardLv,
        name: data.name,
        info: data.info,
        icon: data.icon,
        is_inst: data.is_inst,
        t_times: data.t_times || (data.is_inst ? 1 : 999),
        t_inv: data.t_inv || 0,
        keep_waves: data.keep_waves,
        field: data.field,
        overrides: data.overrides,
        trigger_type: data.trigger_type,
        trigger_limit: data.trigger_limit,
    });
});


export enum SpecialRefreshHeroType {
    Any = 0,
    Melee = 1,
    Ranged = 2,
}

/** 升级功能卡完整配置（作为动态升级卡的基础模板） */
export interface SpecialUpgradeCardConfig extends CardConfig {
    name: string
    info: string
    /** 模板字段：currentLv=0 表示动态卡（实际值由 target_hero_eid 对应的英雄决定） */
    currentLv: number
    /** 模板字段：targetLv=0 表示"+1 级"（实际目标等级 = 当前等级 + 1） */
    targetLv: number
}

/** 刷新功能卡完整配置 */
export interface SpecialRefreshCardConfig extends CardConfig {
    name: string
    info: string
    refreshLv: number
    refreshHeroType: SpecialRefreshHeroType
}

/**
 * 升级卡模板。
 * 仅有 7001 一条记录，作为动态升级卡的基础配置（cost/weight/name/info）。
 * 实际使用时由 MissionCardComp.buildDrawCards 根据场上英雄动态生成 CardConfig，
 * 通过 target_hero_eid 字段绑定具体英雄实体。
 */
export const SpecialUpgradeCardList: Record<number, SpecialUpgradeCardConfig> = {
    7001: {
        uuid: 7001, type: CardType.SpecialUpgrade, cost: 10, weight: 18, pool_lv: CardLV.LV1, kind: CKind.Card, name: t("scard_name_7001"), info: t("scard_info_7001"),
        currentLv: 0, targetLv: 0,
    },
}

export const SpecialRefreshCardList: Record<number, SpecialRefreshCardConfig> = {
    7101: {
        uuid: 7101, type: CardType.SpecialRefresh, cost: 3, weight: 14, pool_lv: CardLV.LV1, kind: CKind.Card, name: t("scard_name_7101"), info: t("scard_info_7101"),
        refreshLv: 0, refreshHeroType: SpecialRefreshHeroType.Melee,
    },
    7102: {
        uuid: 7102, type: CardType.SpecialRefresh, cost: 3, weight: 14, pool_lv: CardLV.LV1, kind: CKind.Card, name: t("scard_name_7102"), info: t("scard_info_7102"),
        refreshLv: 0, refreshHeroType: SpecialRefreshHeroType.Ranged,
    },
    7103: {
        uuid: 7103, type: CardType.SpecialRefresh, cost: 4, weight: 12, pool_lv: CardLV.LV1, kind: CKind.Card, name: t("scard_name_7103"), info: t("scard_info_7103"),
        refreshLv: 0, refreshHeroType: SpecialRefreshHeroType.Any,
    },
}


/** 规范等级到合法区间（保留以兼容历史调用，新机制下统一返回 LV1） */
const clampCardLv = (lv: number): CardLV => {
    return CardLV.LV1;
}

/** 单次按权重抽取一张卡 */
const weightedPick = (cards: CardConfig[]): CardConfig | null => {
    if (cards.length === 0) return null
    const totalWeight = cards.reduce((total, card) => total + card.weight, 0)
    let random = Math.random() * totalWeight
    for (const card of cards) {
        random -= card.weight
        if (random <= 0) return card
    }
    return cards[cards.length - 1]
}

/** 连续抽取 count 张卡，允许重复或通过 unique 剔除重复 */
const pickCards = (cards: CardConfig[], count: number, unique: boolean = false): CardConfig[] => {
    if (cards.length === 0 || count <= 0) return []
    const selected: CardConfig[] = []
    let available = [...cards]
    while (selected.length < count) {
        if (available.length === 0) break
        const pick = weightedPick(available)
        if (!pick) break
        selected.push(pick)
        if (unique) {
            available = available.filter(c => c.uuid !== pick.uuid)
        }
    }
    return selected
}

/**
 * 获取基础卡池（已废弃 lv 参数，新机制下返回完整卡池）。
 * @param lv 历史遗留参数，不再生效
 * @param onlyCurrentLv 历史遗留参数，不再生效
 */
export const getCardPoolByLv = (lv: number, onlyCurrentLv: boolean = false): CardConfig[] => {
    return CardPoolList;
}

const normalizeTypeFilter = (type: CardType | CardType[]): Set<CardType> => {
    const list = Array.isArray(type) ? type : [type]
    return new Set<CardType>(list)
}

/**
 * 常规发牌：前 3 英雄 + 后 1 其他；支持按类型过滤。
 * @param lv 历史遗留参数，不再生效
 * @param type 限定卡牌类型
 * @param onlyCurrentLv 历史遗留参数，不再生效
 */
export const getCardsByLv = (
    lv: number,
    type?: CardType | CardType[],
    onlyCurrentLv: boolean = false
): CardConfig[] => {
    const pool = getCardPoolByLv(lv, onlyCurrentLv)
    if (type !== undefined) {
        const typeSet = normalizeTypeFilter(type)
        const filteredPool = pool.filter(card => typeSet.has(card.type))
        return pickCards(filteredPool, 4)
    }
    const heroPool = pool.filter(card => card.type === CardType.Hero)
    const otherPool = pool.filter(card => card.type !== CardType.Hero)
    const heroes = pickCards(heroPool, 3)
    const others = pickCards(otherPool, 1)
    return [...heroes, ...others]
}

/**
 * 通用按规则抽卡（已废弃 lv/targetPoolLv/onlyCurrentLv 参数，仅为兼容保留）。
 */
export const drawCardsByRule = (
    lv: number,
    options: {
        count?: number
        onlyCurrentLv?: boolean
        type?: CardType | CardType[]
        heroType?: HType
        heroLv?: number
        targetPoolLv?: number
        wave?: number
        unique?: boolean
    } = {}
): CardConfig[] => {
    const count = Math.max(0, Math.floor(options.count ?? 4))
    let pool = getCardPoolByLv(lv, options.onlyCurrentLv ?? false)
    if (options.type !== undefined) {
        const typeSet = normalizeTypeFilter(options.type)
        pool = pool.filter(card => typeSet.has(card.type))
    }
    if (options.heroType !== undefined || options.heroLv !== undefined) {
        pool = pool.filter(card => {
            if (card.type !== CardType.Hero) return false
            const hero = HeroInfo[card.uuid]
            if (!hero) return false
            if (options.heroType !== undefined && hero.type !== options.heroType) return false
            if (options.heroLv !== undefined && card.hero_lv !== options.heroLv) return false
            return true
        })
    }

    // 如果传入了波次并且是技能卡，则根据 wave 过滤
    if (options.wave !== undefined) {
        pool = pool.filter(card => {
            if (card.type === CardType.Skill) {
                return card.wave === options.wave;
            }
            return true;
        })
    }

    const picked = pickCards(pool, count, options.unique)
    return picked
}