import { TableNames } from '../../game/ConfigTableData';
import type { UnitDefId } from 'db://assets/mx/module/battle';
import { logChapterMonsterHpCalc } from '../debug/MonsterHpDebugLog';
import type { ProjectLevelMonsterConfig } from './LevelMonsterConfig';

/**
 * 最终 HP 额外倍率：max(1, 局外紫色及以上武器最高等级 / 5)
 */
export function calcSpecialReplicaFinalHpScale(): number {
    const purpleMaxLv = Math.max(1, gg.data.project.getMaxLevelPurpleWeapon());
    return Math.max(1, purpleMaxLv / 5);
}

/** 按关卡配表解析 hp_multiple */
export function resolveHpMultiple(chapterHpMultiple: number): number {
    return chapterHpMultiple > 0 ? chapterHpMultiple : 1;
}

/** 读取 Monster1 系数：monster_group 定列，波次序号 waveIndex 定行 */
export function getMonster2Factor(monsterGroup: number, difficultyRow: number): number {
    const row = gg.data.table.getTableData<ITableMonster1>(TableNames.Monster1, difficultyRow);
    if (!row) {
        console.log('[MonsterHpCalculator] Monster2 row missing', difficultyRow);
        return 1;
    }
    const key = `diffcult${monsterGroup}` as keyof ITableMonster1;
    const value = row[key];
    return typeof value === 'number' && value > 0 ? value : 1;
}

/** 旧逻辑：按战斗时间查 Monster2 行（time <= row.id 的首行） */
export function getMonster2FactorByBattleTime(monsterGroup: number, battleTime: number): number {
    const list = gg.data.table.getTableList<ITableMonster1>(TableNames.Monster1) ?? [];
    for (const row of list) {
        if (battleTime <= row.id) {
            const key = `diffcult${monsterGroup}` as keyof ITableMonster1;
            const value = row[key];
            return typeof value === 'number' && value > 0 ? value : 1;
        }
    }
    return 1;
}

/**
 * 战力修正系数：
 * - 推荐/玩家 >= 1：max(1, ratio ^ power_para)
 * - 推荐/玩家 < 1：max(0.5, ratio ^ power_para2)
 */
export function calcPowerHpCoeff(
    recommendPower: number,
    userPower: number,
    powerPara: number,
    powerPara2: number = 0,
): number {
    const user = Math.max(1, userPower);
    const recommend = Math.max(0, recommendPower);
    const ratio = recommend / user;

    if (ratio >= 1) {
        if (powerPara <= 0) return 1;
        return Math.max(1, Math.pow(ratio, powerPara));
    }
    if (powerPara2 <= 0) return 1;
    return Math.max(0.5, Math.pow(ratio, powerPara2));
}

/** 段位对应 weapon_para（Level 表暂无该字段时返回 1） */
export function getWeaponParaFromMaxChapter(rankId: number): number {
    if (!(rankId > 0)) {
        console.log('[MonsterHpCalculator] rankId 无效', rankId);
        return 1;
    }
    const levelRow = gg.data.table.getTableData<ITableLevel>(TableNames.Level, rankId);
    const v = (levelRow as { weapon_para?: number } | null)?.weapon_para;
    return typeof v === 'number' && v > 0 ? v : 1;
}

export function calcPowerHpCoeffForLevel(
    _levelId: number,
    powerPara: number,
    powerPara2: number = 0,
): number {
    const power = gg.data.getCurPower();
    return calcPowerHpCoeff(power, power, powerPara, powerPara2);
}

import { finitePositiveHp } from '../../../mx/tools/FiniteHp';

/**
 * 策划 / 旧项目血量公式：
 * floor(monster_hp × hp_multiple × port_hp × basehp × 战力修正 × weapon_para)
 */
export function calcChapterMonsterHp(
    monsterId: number,
    port: number,
    difficultyRow: number,
    config: ProjectLevelMonsterConfig,
): number {
    const monster = gg.data.table.getTableData<ITableMonster>(TableNames.Monster, monsterId);
    const monsterHp = finitePositiveHp(
        (monster as ITableMonster & { HP?: number })?.HP ?? monster?.hp,
        1,
    );
    const portHp = finitePositiveHp(config.portHpMult[port - 1], 1);
    const baseHp = getMonster2Factor(config.monsterGroup, difficultyRow);
    const powerCoeff = calcPowerHpCoeffForLevel(
        config.levelId,
        config.powerPara,
        config.powerPara2,
    );
    const hpMultiple = finitePositiveHp(config.hpMultiple, 1);
    const weaponPara = finitePositiveHp(config.weaponPara, 1);
    const raw = monsterHp * hpMultiple * portHp * baseHp * powerCoeff * weaponPara;
    if (!Number.isFinite(raw)) {
        console.error(`[MonsterHpCalculator] invalid hp raw monsterId=${monsterId} port=${port} difficultyRow=${difficultyRow} monsterHp=${monsterHp} hpMultiple=${hpMultiple} portHp=${portHp} baseHp=${baseHp} powerCoeff=${powerCoeff} weaponPara=${weaponPara}`);
    }
    let finalHp = finitePositiveHp(Math.floor(raw), 1);
    const scale = finitePositiveHp(config.specialReplicaHpScale, 1);
    if (scale !== 1) {
        finalHp = finitePositiveHp(Math.floor(finalHp * scale), finalHp);
    }
    logChapterMonsterHpCalc({
        monsterId,
        port,
        difficultyRow,
        config,
        monsterHp,
        portHp,
        baseHp,
        powerCoeff,
        hpMultiple,
        weaponPara,
        raw,
        finalHp,
    });
    return finalHp;
}

/** 旧 MonsterDataManager 兼容：返回 basehp × 战力修正（不含 monster_hp / hp_multiple / weapon_para） */
export function calcMonsterHpBaseByBattleTime(
    monsterGroup: number,
    battleTime: number,
    recommendPower: number,
    powerPara: number,
    powerPara2: number = 0,
): number {
    const m2 = getMonster2FactorByBattleTime(monsterGroup, battleTime);
    const powerCoeff = calcPowerHpCoeff(recommendPower, gg.data.getCurPower(), powerPara, powerPara2);
    return m2 * powerCoeff;
}

export function makeMonsterUnitDefId(monsterId: number, port: number, difficultyRow: number): UnitDefId {
    return `monster_${monsterId}_p${port}_r${difficultyRow}`;
}

export function parseMonsterUnitDefId(unitDefId: UnitDefId): {
    monsterId: number;
    port: number;
    difficultyRow: number;
} | null {
    const m = /^monster_(\d+)_p(\d+)_r(\d+)$/.exec(unitDefId);
    if (!m) return null;
    return {
        monsterId: parseInt(m[1], 10),
        port: parseInt(m[2], 10),
        difficultyRow: parseInt(m[3], 10),
    };
}

export function parseLegacyMonsterId(unitDefId: UnitDefId): number {
    const m = /^monster_(\d+)$/.exec(unitDefId);
    return m ? parseInt(m[1], 10) : 0;
}