import { TeamComp, type EntityId } from 'db://assets/mx/module/battle';
import { GAudioPath } from '../../game/ConfigRes';
import { getTowerLoadoutService } from '../combat/TowerLoadoutService';
import { resetTangSengAudioState } from './TangSengAudioState';

const BGM_DUCK = 0.7;
const MAX_CONCURRENT = 8;

/** 1=语音 2=结算 3=系统 4=普攻 5=战斗反馈 6=UI */
const Pri = {
    Voice: 1,
    Result: 2,
    System: 3,
    Attack: 4,
    Combat: 5,
    UI: 6,
} as const;

type SfxPri = (typeof Pri)[keyof typeof Pri];

type ActiveSfx = { priority: SfxPri; startedAt: number };

/**
 * 战斗音效：按现有 audio 资源名映射，去叠音 / 并发上限 / 优先级 / BGM 压低。
 */
export class BattleAudio {
    private static _lastPlayAt = new Map<string, number>();
    private static _lastHitAt = new Map<EntityId, number>();
    private static _active: ActiveSfx[] = [];
    private static _duckTimer: ReturnType<typeof setTimeout> | null = null;

    static resetSession(): void {
        this._lastPlayAt.clear();
        this._lastHitAt.clear();
        this._active.length = 0;
        resetTangSengAudioState();
        this._clearDuck();
    }

    /** 退战斗释放武器音效预载缓存 */
    static releaseBattleWarmup(): void {
        gg.audio.releaseClipsByPath(GAudioPath.SfxWeapon);
    }

    /** @deprecated 新产品无唐僧求救 */
    static tryTangSengHelp(
        _remainingPathPx: number,
        _cellSizePx: number,
        _thresholdCells = 3,
        _hooks?: { onStart?: () => void; onEnd?: () => void },
    ): void {
    }

    /** 局内 BGM 并预载战斗音效 */
    static playBgmBattle(): void {
        this.resetSession();
        gg.audio.playMusic({ name: '局内背景音', path: GAudioPath.Bgm });
        this._warmUpBattleSfx();
    }

    /** 进战斗预载常用音效，避免首帧 async 加载导致与动画不同步 */
    private static _warmUpBattleSfx(): void {
        for (const name of ['刀攻击', '枪攻击', '棍攻击', '箭攻击', '孙悟空技能', '悟净技能', '李靖技能', '阎王技能', '杨戬技能音效', '金箍棒技能', '玲珑宝塔技能', '碎片掉落']) {
            void gg.audio.preloadEffect({ name, path: GAudioPath.SfxWeapon });
        }
        for (const name of ['怪物受击', '合成', '格子放置', '铲子铲地', '砚台出字', '开场号角', 'BOSS出场', '危险警报']) {
            void gg.audio.preloadEffect({ name, path: GAudioPath.SfxUi });
        }
    }

    /** @deprecated 新产品无此音效 */
    static playSpiderSpiritCast(): void {
    }

    /** @deprecated 新产品无此音效 */
    static playBloodMoonCast(): void {
    }

    /** @deprecated 新产品无此音效 */
    static playWindBlow(): void {
    }

    /** @deprecated 新产品无此音效 */
    static playFoxSpiritCast(): void {
    }

    /** @deprecated 新产品无此音效 */
    static playWitchCast(): void {
    }

    /** @deprecated 新产品无此音效 */
    static playBajiaoFanCast(): void {
    }

    /** 同字升级 */
    static playUpgrade(): void {
        this._play('合成', GAudioPath.SfxUi, Pri.System, 0);
    }

    /** 神将组合 */
    static playCompose(): void {
        this._play('合成', GAudioPath.SfxUi, Pri.System, 0);
    }

    /**
     * 神将合成语音（仅有资源的英雄）
     * @param weapon1Id Hero.id
     */
    static playComposeVoice(weapon1Id: number): void {
        const name = HERO_COMPOSE_VOICE[weapon1Id];
        if (name) this._play(name, GAudioPath.SfxVoice, Pri.Voice, 1000);
    }

    /** @deprecated 新产品无此音效 */
    static playHeal(): void {
    }

    /** 极短震动（拿起字块 / 主动道具） */
    static vibrateShort(): void {
        gg.sdk.vibrateShort();
    }

    /**
     * 放置成功短震：交换两格、放置后立刻合成只震一次。
     * 自动飞不要走这里。
     */
    static vibratePlace(): void {
        const key = 'haptic:place';
        const now = Date.now();
        const last = this._lastPlayAt.get(key) ?? 0;
        if (now - last < 80) return;
        this._lastPlayAt.set(key, now);
        this.vibrateShort();
    }

    /** 长震动（己方营地掉血） */
    static vibrateLong(): void {
        gg.sdk.vibrateLong();
    }

    /** 字落入格子（仅音效；震动由放置成功路径触发，避免自动飞误震） */
    static playPlaceGrid(): void {
        this._play('格子放置', GAudioPath.SfxUi, Pri.UI, 100);
    }

    /** 铲子挖地（系统级：不被普攻/受击并发挤掉） */
    static playShovel(): void {
        this._play('铲子铲地', GAudioPath.SfxUi, Pri.System, 0);
    }

    /**
     * 拖动拾取成功短震：背包/地图字块、主动道具在「开始拖动」时调用。
     * 与松手 `vibratePlace` 区分；自动飞/击杀升级等勿调。
     */
    static vibratePickup(): void {
        const key = 'haptic:pickup';
        const now = Date.now();
        const last = this._lastPlayAt.get(key) ?? 0;
        if (now - last < 80) return;
        this._lastPlayAt.set(key, now);
        this.vibrateShort();
    }

    /** 开始拖动字块（拾取成功：音效 + 短震） */
    static playWeaponDrag(): void {
        this._play('武器拖动', GAudioPath.SfxUi, Pri.UI, 80);
        this.vibratePickup();
    }

    /** 砚台刷新出字（每冒出一个字播一次） */
    static playInkstoneSpawn(): void {
        this._play('砚台出字', GAudioPath.SfxUi, Pri.UI, 0);
    }

    /** 召唤按钮首次可刷新 */
    static playRefreshReady(): void {
        this._play('可刷新通知', GAudioPath.SfxUi, Pri.UI, 300);
    }

    /** 开局表演怪吹号角（双侧同时吹时去重） */
    static playStartMonsterHorn(): void {
        this._play('开场号角', GAudioPath.SfxUi, Pri.System, 2000);
    }

    /** Boss 出场弹窗（同帧多 Boss 去重） */
    static playBossIntro(): void {
        this._play('BOSS出场', GAudioPath.SfxUi, Pri.System, 1500);
    }

    /** 怪物危机提示：循环动画每播完一轮播一次 */
    static playMonsterCrisisAlert(): void {
        this._play('危险警报', GAudioPath.SfxUi, Pri.System, 0);
    }

    /** @deprecated 新产品无此音效 */
    static playWallHit(): void {
    }

    /** @deprecated 新产品无此音效 */
    static playChestHit(): void {
    }

    /** 胜利结算 */
    static playVictory(): void {
        this._play('游戏胜利', GAudioPath.SfxUi, Pri.Result, 0);
    }

    /** 失败结算 */
    static playFail(): void {
        this._play('游戏失败', GAudioPath.SfxUi, Pri.Result, 0);
    }

    /** 击杀武器碎片飞出 */
    static playFragmentDrop(): void {
        this._play('碎片掉落', GAudioPath.SfxWeapon, Pri.UI, 80);
    }

    /**
     * 普攻
     * @param caster 攻击实体
     */
    static playWeaponAttack(caster: EntityId): void {
        if (!this._isLocalEntity(caster)) return;
        const id = getTowerLoadoutService().getLoadout(caster)?.weapon1Id;
        if (id == null) return;
        const name = ATTACK_SFX[id];
        if (name) this._play(name, GAudioPath.SfxWeapon, Pri.Attack, 150);
    }

    /**
     * 英雄主动或专属武器技能
     * @param caster 施法实体
     * @param isEquipSkill true=专属武器技能（金箍棒/玲珑宝塔）
     */
    static playWeaponSkill(caster: EntityId, isEquipSkill = false): void {
        if (!this._isLocalEntity(caster)) return;
        const id = getTowerLoadoutService().getLoadout(caster)?.weapon1Id;
        if (id == null) return;
        const name = isEquipSkill ? EQUIP_SKILL_SFX[id] : HERO_SKILL_SFX[id];
        if (name) this._play(name, GAudioPath.SfxWeapon, Pri.Combat, 0);
    }

    /**
     * 命中受击
     * @param caster 攻击实体
     * @param target 受击实体
     */
    static playWeaponHit(caster: EntityId, target: EntityId): void {
        if (!this._isLocalEntity(caster)) return;
        const now = Date.now();
        const last = this._lastHitAt.get(target) ?? 0;
        if (now - last < 100) return;
        if (!this._play('怪物受击', GAudioPath.SfxUi, Pri.Result, 50)) return;
        this._lastHitAt.set(target, now);
    }

    /**
     * 实体是否本机侧。无战斗或无 team 时不静音，避免误吞本机音效。
     * @param entityId 施法/攻击实体
     */
    private static _isLocalEntity(entityId: EntityId): boolean {
        const battle = gg.game?.CurentBattle;
        if (!battle) return true;
        const team = battle.session.world.getComponent(entityId, TeamComp);
        if (!team) return true;
        return team.ownerId === battle.localPlayerId;
    }

    /** @returns 是否已开始播放 */
    private static _play(
        name: string,
        path: string,
        priority: SfxPri,
        debounceMs: number,
        hooks?: { onStart?: () => void; onEnd?: () => void },
    ): boolean {
        if (!name || !gg.audio?.playEffect) return false;

        const key = `${path}${name}`;
        const now = Date.now();
        if (debounceMs > 0) {
            const last = this._lastPlayAt.get(key) ?? 0;
            if (now - last < debounceMs) return false;
        }
        if (!this._canPlay(priority)) return false;

        this._lastPlayAt.set(key, now);
        const entry: ActiveSfx = { priority, startedAt: now };
        this._active.push(entry);
        this._trimActive();
        this._duckBrief(0.6);
        hooks?.onStart?.();

        void gg.audio.playEffect({
            name,
            path,
            onEnd: () => {
                const i = this._active.indexOf(entry);
                if (i >= 0) this._active.splice(i, 1);
                if (this._active.length === 0) this._clearDuck();
                hooks?.onEnd?.();
            },
        });
        return true;
    }

    private static _canPlay(priority: SfxPri): boolean {
        const total = this._active.length;
        if (priority === Pri.UI && total >= 4) return false;
        if (priority === Pri.Combat && total >= 5) return false;
        if (priority === Pri.Attack && total >= 6) return false;
        if (total >= MAX_CONCURRENT) {
            if (priority <= Pri.System) {
                this._evictLowest();
                return true;
            }
            return false;
        }
        return true;
    }

    private static _evictLowest(): void {
        let worst = -1;
        let worstPri = 0;
        for (let i = 0; i < this._active.length; i++) {
            const p = this._active[i].priority;
            if (p > worstPri) {
                worstPri = p;
                worst = i;
            }
        }
        if (worst >= 0) this._active.splice(worst, 1);
    }

    private static _trimActive(): void {
        while (this._active.length > MAX_CONCURRENT) this._evictLowest();
    }

    private static _duckBrief(sec: number): void {
        gg.audio.applyMusicDuck(BGM_DUCK);
        if (this._duckTimer) clearTimeout(this._duckTimer);
        this._duckTimer = setTimeout(() => {
            this._duckTimer = null;
            if (this._active.length === 0) this._clearDuck();
        }, sec * 1000);
    }

    private static _clearDuck(): void {
        if (this._duckTimer) {
            clearTimeout(this._duckTimer);
            this._duckTimer = null;
        }
        gg.audio.applyMusicDuck(1);
    }
}

/** Hero.id → 普攻音效（按 Hero.weapon：1刀 2枪 3棍 4箭） */
const ATTACK_SFX: Record<number, string> = {
    1: '刀攻击',
    2: '枪攻击',
    3: '棍攻击',
    4: '箭攻击',
    11: '棍攻击',
    12: '刀攻击',
    13: '棍攻击',
    14: '枪攻击',
    15: '枪攻击',
    16: '刀攻击',
    17: '枪攻击',
    18: '箭攻击',
    19: '刀攻击',
    20: '刀攻击',
    21: '箭攻击',
    22: '刀攻击',
};

/** Hero.id → 英雄主动技能音效 */
const HERO_SKILL_SFX: Record<number, string> = {
    11: '孙悟空技能',
    13: '悟净技能',
    17: '杨戬技能音效',
    20: '阎王技能',
    22: '李靖技能',
};

/** Hero.id → 专属武器技能音效 */
const EQUIP_SKILL_SFX: Record<number, string> = {
    11: '金箍棒技能',
    22: '玲珑宝塔技能',
};

/** Hero.id → 合成语音 */
const HERO_COMPOSE_VOICE: Record<number, string> = {
    11: '孙悟空合成',
    14: '哪吒合成',
    17: '杨戬合成',
    18: '王母合成',
    19: '玉帝合成',
    22: '李靖合成',
};