import * as exp from "constants"
import { HeroInfo, HeroList, HType } from "./heroSet"
import { FightSet } 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
}

/** 卡池等级定义 */
export enum CardLV {
    LV1 = 1,
    LV2 = 2,
    LV3 = 3,
}

/** 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
    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）
}
export const CardsUpSet: Record<number, number> = {
    1: 50,
    2: 100,
    3: 150,
    4: 200,
    5: 250,
}

/**初始coin数     */
export const CardInitCoins = 10
/** 卡池升级每波减免金额 */
export const CARD_POOL_UPGRADE_DISCOUNT_PER_WAVE = 10
/** 卡池默认初始等级 */
export const CARD_POOL_INIT_LEVEL = CardLV.LV1
/** 卡池等级上限 */
export const CARD_POOL_MAX_LEVEL = CardLV.LV3
/** 英雄最高等级限制 */
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
HeroList.forEach(uuid => {
    const hero = HeroInfo[uuid];
    if (!hero) return;

    const basePoolLv = hero.pool_lv || 1;
    const baseHeroLv = hero.lv || 1;
    const baseCost = 5;
    const baseWeight = 25;

    // 生成从 basePoolLv 到 CARD_POOL_MAX_LEVEL 的卡牌
    for (let pLv = basePoolLv; pLv <= CARD_POOL_MAX_LEVEL; pLv++) {
        const offset = pLv - basePoolLv;
        const targetHeroLv = baseHeroLv + offset;

        // 英雄的最高等级 是MERGE_MAX-1
        if (targetHeroLv > FightSet.MERGE_MAX - 1) {
            break;
        }

        // cost = baseCost * 3^(lv-1): Lv1=5, Lv2=15, Lv3=45
        let cost = baseCost;
        if (targetHeroLv > 1) {
            cost = baseCost * Math.pow(FightSet.MERGE_NEED, targetHeroLv - 1);
        }

        CardPoolList.push({
            uuid: hero.uuid,
            type: CardType.Hero,
            cost: cost,
            weight: baseWeight,
            pool_lv: pLv as CardLV,
            kind: CKind.Hero,
            hero_lv: targetHeroLv,
            base_pool_lv: basePoolLv
        });
    }
});

// 添加非英雄卡牌 (技能、功能卡)
CardPoolList.push(
    // 技能卡牌 (以增益/辅助为主，因为在备战期没有敌人)
    { uuid: 6304, type: CardType.Skill, cost: 0, weight: 20, pool_lv: 1, wave: 1, kind: CKind.Skill, card_lv: 1, name: t("skill_name_6304"), info: t("skill_info_6304"), is_inst: true, t_times: 1, t_inv: 0, keep_waves: 15 },
    { uuid: 6305, type: CardType.Skill, cost: 0, weight: 20, pool_lv: 1, wave: 1, kind: CKind.Skill, card_lv: 1, name: t("skill_name_6305"), info: t("skill_info_6305"), is_inst: true, t_times: 1, t_inv: 0, keep_waves: 15 },
    // 自定义 overrides 示例卡牌
    {
        uuid: 6401, type: CardType.Skill, cost: 0, weight: 10, pool_lv: 1, wave: 1, kind: CKind.Skill, card_lv: 1,
        name: "超强攻击强化", info: "使场上英雄增加50点攻击力",
        is_inst: true, t_times: 1, t_inv: 0, keep_waves: 15, overrides: { ap: 50 }
    },
    {
        uuid: 6101, type: CardType.Skill, cost: 5, weight: 10, pool_lv: 1, wave: 1, kind: CKind.Skill, card_lv: 1,
        name: "持续天降火球", info: "战斗中每隔3秒释放一个火球，造成300%伤害，持续2波次",
        is_inst: false, t_times: 999, t_inv: 3, keep_waves: 15, overrides: { TGroup: TGroup.Enemy, ap: 300, hit_count: 2 }
    }
);


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

/** 升级功能卡完整配置 */
export interface SpecialUpgradeCardConfig extends CardConfig {
    name: string
    info: string
    currentLv: number
    targetLv: number
}

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

/** 功能卡定义表 */



export const SpecialUpgradeCardList: Record<number, SpecialUpgradeCardConfig> = {
    7001: {
        uuid: 7001, type: CardType.SpecialUpgrade, cost: 10, weight: 16, pool_lv: CardLV.LV1, kind: CKind.Card, name: t("scard_name_7001"), info: t("scard_info_7001"),
        currentLv: 1, targetLv: 2,
    },
    7002: {
        uuid: 7002, type: CardType.SpecialUpgrade, cost: 28, weight: 14, pool_lv: CardLV.LV2, kind: CKind.Card, name: t("scard_name_7002"), info: t("scard_info_7002"),
        currentLv: 2, targetLv: 3,
    },
}

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.LV2, kind: CKind.Card, name: t("scard_name_7103"), info: t("scard_info_7103"),
        refreshLv: 3, refreshHeroType: SpecialRefreshHeroType.Any,
    },
}



/** 规范等级到合法区间 [LV1, LV6] */
const clampCardLv = (lv: number): CardLV => {
    const value = Math.floor(lv)
    if (value < CARD_POOL_INIT_LEVEL) return CARD_POOL_INIT_LEVEL
    if (value > CARD_POOL_MAX_LEVEL) return CARD_POOL_MAX_LEVEL
    return value as CardLV
}

/** 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 */
const pickCards = (cards: CardConfig[], count: number): CardConfig[] => {
    if (cards.length === 0 || count <= 0) return []
    const selected: CardConfig[] = []
    while (selected.length < count) {
        const pick = weightedPick(cards)
        if (!pick) break
        selected.push(pick)
    }
    return selected
}

/** 获取指定等级可出现的基础卡池 */
export const getCardPoolByLv = (lv: number, onlyCurrentLv: boolean = false): CardConfig[] => {
    const cardLv = clampCardLv(lv)
    if (onlyCurrentLv) {
        return CardPoolList.filter(card => card.pool_lv === cardLv)
    }
    return CardPoolList.filter(card => card.pool_lv <= cardLv)
}

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；支持按类型和等级模式过滤 */
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]
}

export const drawCardsByRule = (
    lv: number,
    options: {
        count?: number
        onlyCurrentLv?: boolean
        type?: CardType | CardType[]
        heroType?: HType
        heroLv?: number
        targetPoolLv?: number
        wave?: number
    } = {}
): CardConfig[] => {
    const count = Math.max(0, Math.floor(options.count ?? 4))
    const onlyCurrentLv = options.onlyCurrentLv ?? false
    let pool = getCardPoolByLv(lv, onlyCurrentLv)
    if (options.type !== undefined) {
        const typeSet = normalizeTypeFilter(options.type)
        pool = pool.filter(card => typeSet.has(card.type))
    }
    if (options.targetPoolLv !== undefined) {
        // 如果指定了目标卡池等级，则强制从所有配置中筛选该等级的卡牌，无视当前的卡池等级限制
        pool = CardPoolList.filter(card => card.pool_lv === options.targetPoolLv)
        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) {
                // 只有 wave 值严格等于当前 wave 的技能卡才会留在池中
                return card.wave === options.wave;
            }
            return true;
        })
    }

    const picked = pickCards(pool, count)
    return picked
}