pezkuwi-telegram-miniapp/src/lib/scores.ts

/**
 * Score Systems Integration for Telegram Mini App
 * Aligned with pwap/shared/lib/scores.ts
 *
 * All scores come from People Chain (people-rpc.pezkuwichain.io)
 * - Trust Score: pezpallet-trust (composite, on-chain calculated)
 * - Referral Score: pezpallet-referral
 * - Staking Score: pezpallet-staking-score
 * - Tiki Score: pezpallet-tiki
 * - Perwerde Score: pezpallet-perwerde
 */

import type { ApiPromise } from '@pezkuwi/api';
import type { KeyringPair } from '@pezkuwi/keyring/types';

// ========================================
// TYPE DEFINITIONS
// ========================================

export interface UserScores {
  trustScore: number;
  referralScore: number;
  stakingScore: number;
  tikiScore: number;
  perwerdeScore: number;
  totalScore: number;
  isCitizen: boolean;
}

export interface StakingScoreStatus {
  isTracking: boolean;
  hasCachedData: boolean;
  score: number; // 0-100 computed from CachedStakingDetails + duration
  startBlock: number | null;
  currentBlock: number;
  durationBlocks: number;
}

export type EpochStatus = 'Open' | 'ClaimPeriod' | 'Closed';

export interface PezRewardInfo {
  currentEpoch: number;
  epochStatus: EpochStatus;
  claimableRewards: { epoch: number; amount: string }[];
  totalClaimable: string;
  hasPendingClaim: boolean;
}

// ========================================
// TRUST SCORE (pezpallet-trust on People Chain)
// ========================================

/**
 * Fetch user's trust score from blockchain
 * Storage: trust.trustScores(address)
 * This is the composite score calculated on-chain
 */
export async function getTrustScore(peopleApi: ApiPromise, address: string): Promise<number> {
  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if (!(peopleApi?.query as any)?.trust?.trustScores) {
      return 0;
    }

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const score = await (peopleApi.query as any).trust.trustScores(address);

    if (score.isEmpty) {
      return 0;
    }

    return Number(score.toString());
  } catch (error) {
    console.error('Error fetching trust score:', error);
    return 0;
  }
}

// ========================================
// REFERRAL SCORE (pezpallet-referral on People Chain)
// ========================================

function computeReferralBaseScore(goodReferrals: number): number {
  if (goodReferrals <= 0) return 0;
  if (goodReferrals <= 10) return goodReferrals * 10;
  if (goodReferrals <= 50) return 100 + (goodReferrals - 10) * 5;
  if (goodReferrals <= 100) return 300 + (goodReferrals - 50) * 4;
  return 500;
}

/**
 * Fetch user's referral score using the same formula as pezpallet-referral.
 * Storage: referral.referrerStatsStorage(address)
 *
 * Tiered scoring (max 500):
 *   0 referrals = 0
 *   1-10  = count * 10  (10..100)
 *   11-50 = 100 + (count-10) * 5  (105..300)
 *   51-100 = 300 + (count-50) * 4  (304..500)
 *   101+  = 500
 * Minus penalty_score from revocations.
 */
export async function getReferralScore(peopleApi: ApiPromise, address: string): Promise<number> {
  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const queryRef = peopleApi?.query as any;
    if (!queryRef?.referral?.referrerStatsStorage) {
      // Fallback: use referralCount if stats storage unavailable
      if (!queryRef?.referral?.referralCount) return 0;
      const count = Number((await queryRef.referral.referralCount(address)).toString());
      return computeReferralBaseScore(count);
    }

    const stats = await queryRef.referral.referrerStatsStorage(address);
    if (stats.isEmpty) return 0;
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const json = stats.toJSON() as any;
    const total = json.totalReferrals ?? json.total_referrals ?? 0;
    const revoked = json.revokedReferrals ?? json.revoked_referrals ?? 0;
    const penalty = json.penaltyScore ?? json.penalty_score ?? 0;
    const goodReferrals = Math.max(0, total - revoked);
    return Math.max(0, computeReferralBaseScore(goodReferrals) - penalty);
  } catch (error) {
    console.error('Error fetching referral score:', error);
    return 0;
  }
}

// ========================================
// STAKING SCORE (pezpallet-staking-score on People Chain)
// ========================================

/**
 * Check staking score tracking status and compute actual staking score.
 * Queries CachedStakingDetails from People Chain and calculates score
 * using the same formula as pallet_staking_score::get_staking_score().
 *
 * Score Formula:
 * 1. Amount Score (20-50 points based on staked HEZ)
 *    - 0-100 HEZ: 20,  101-250: 30,  251-750: 40,  751+: 50
 * 2. Duration Multiplier (time since startScoreTracking)
 *    - <1mo: x1.0, 1-2mo: x1.2, 3-5mo: x1.4, 6-11mo: x1.7, 12+mo: x2.0
 * 3. Final = min(100, floor(amountScore * durationMultiplier))
 */
export async function getStakingScoreStatus(
  peopleApi: ApiPromise,
  address: string
): Promise<StakingScoreStatus> {
  const empty: StakingScoreStatus = {
    isTracking: false,
    hasCachedData: false,
    score: 0,
    startBlock: null,
    currentBlock: 0,
    durationBlocks: 0,
  };

  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if (!(peopleApi?.query as any)?.stakingScore?.stakingStartBlock) {
      return empty;
    }

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const startBlockResult = await (peopleApi.query as any).stakingScore.stakingStartBlock(address);
    const currentBlock = Number((await peopleApi.query.system.number()).toString());

    if (startBlockResult.isEmpty || startBlockResult.isNone) {
      return { ...empty, currentBlock };
    }

    const startBlock = Number(startBlockResult.toString());
    const durationBlocks = currentBlock - startBlock;

    // Query CachedStakingDetails for both sources
    let hasCachedData = false;
    let totalStakeWei = BigInt(0);
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if ((peopleApi.query as any).stakingScore?.cachedStakingDetails) {
      try {
        const [relayResult, assetHubResult] = await Promise.all([
          // eslint-disable-next-line @typescript-eslint/no-explicit-any
          (peopleApi.query as any).stakingScore
            .cachedStakingDetails(address, 'RelayChain')
            .catch(() => null),
          // eslint-disable-next-line @typescript-eslint/no-explicit-any
          (peopleApi.query as any).stakingScore
            .cachedStakingDetails(address, 'AssetHub')
            .catch(() => null),
        ]);
        if (relayResult && !relayResult.isEmpty && relayResult.isSome) {
          // eslint-disable-next-line @typescript-eslint/no-explicit-any
          const json = (relayResult.unwrap() as any).toJSON();
          totalStakeWei += BigInt(json.stakedAmount ?? json.staked_amount ?? '0');
          hasCachedData = true;
        }
        if (assetHubResult && !assetHubResult.isEmpty && assetHubResult.isSome) {
          // eslint-disable-next-line @typescript-eslint/no-explicit-any
          const json = (assetHubResult.unwrap() as any).toJSON();
          totalStakeWei += BigInt(json.stakedAmount ?? json.staked_amount ?? '0');
          hasCachedData = true;
        }
      } catch {
        // keep defaults
      }
    }

    // Calculate staking score from cached data
    let score = 0;
    if (hasCachedData && totalStakeWei > BigInt(0)) {
      const stakedHEZ = Number(totalStakeWei / BigInt(10 ** 12));

      // Amount tier
      let amountScore = 20;
      if (stakedHEZ > 750) amountScore = 50;
      else if (stakedHEZ > 250) amountScore = 40;
      else if (stakedHEZ > 100) amountScore = 30;

      // Duration multiplier
      const MONTH = 30 * 24 * 60 * 10; // ~432,000 blocks
      let mult = 1.0;
      if (durationBlocks >= 12 * MONTH) mult = 2.0;
      else if (durationBlocks >= 6 * MONTH) mult = 1.7;
      else if (durationBlocks >= 3 * MONTH) mult = 1.4;
      else if (durationBlocks >= MONTH) mult = 1.2;

      score = Math.min(100, Math.floor(amountScore * mult));
    }

    return {
      isTracking: true,
      hasCachedData,
      score,
      startBlock,
      currentBlock,
      durationBlocks,
    };
  } catch (error) {
    console.error('Error fetching staking score status:', error);
    return empty;
  }
}

// ========================================
// TIKI SCORE (pezpallet-tiki on People Chain)
// ========================================

export interface TikiInfo {
  roleId: number;
  level: number;
  name: string;
}

// Must match pezpallet-tiki get_bonus_for_tiki() exactly
const TIKI_NAME_SCORES: Record<string, number> = {
  welati: 10,
  parlementer: 100,
  serokimeclise: 150,
  serok: 200,
  wezir: 100,
  serokweziran: 125,
  weziredarayiye: 100,
  wezireparez: 100,
  weziredad: 100,
  wezirebelaw: 100,
  weziretend: 100,
  wezireava: 100,
  wezirecand: 100,
  endamediwane: 175,
  dadger: 150,
  dozger: 120,
  hiquqnas: 75,
  xezinedar: 100,
  pisporêewlehiyasîber: 100,
  mufetîs: 90,
  balyoz: 80,
  berdevk: 70,
  mamoste: 70,
  operatorêtorê: 60,
  noter: 50,
  bacgir: 50,
  mela: 50,
  feqî: 50,
  perwerdekar: 40,
  rewsenbîr: 40,
  gerinendeyecavkaniye: 40,
  gerinendeyedaneye: 40,
  kalîtekontrolker: 30,
  navbeynkar: 30,
  hekem: 30,
  qeydkar: 25,
  parêzvaneçandî: 25,
  sêwirmend: 20,
  bazargan: 60,
  pêseng: 80,
  axa: 250,
  rêveberêprojeyê: 250,
  moderatorêcivakê: 200,
  serokêkomele: 100,
};

/**
 * Fetch user's tikis from People Chain
 * Storage: tiki.userTikis(address) -> Vec<TikiRole>
 */
export async function fetchUserTikis(peopleApi: ApiPromise, address: string): Promise<TikiInfo[]> {
  // The `tiki` pallet is not part of the base @pezkuwi/api typings, so we
  // describe just the storage entries we read here.
  type TikiStorageResult = { isEmpty: boolean; toJSON(): unknown };
  type TikiQuery = {
    userTikis?: (address: string) => Promise<TikiStorageResult>;
    userRoles?: (address: string) => Promise<TikiStorageResult>;
  };
  type TikiEntry = string | { name?: string; role?: string };

  try {
    const tikiQuery = (peopleApi?.query as { tiki?: TikiQuery } | undefined)?.tiki;
    if (!tikiQuery) {
      return [];
    }

    let result = await tikiQuery.userTikis?.(address);

    // Fallback to userRoles if userTikis doesn't exist
    if (!result && tikiQuery.userRoles) {
      result = await tikiQuery.userRoles?.(address);
    }

    if (!result || result.isEmpty) {
      return [];
    }

    const tikis = result.toJSON() as TikiEntry[];

    return tikis.map((tiki, index) => {
      const name = typeof tiki === 'string' ? tiki : tiki.name || tiki.role || 'Unknown';
      const nameLower = name.toLowerCase();

      return {
        roleId: index + 1,
        level: 1,
        name: name,
        score: TIKI_NAME_SCORES[nameLower] || 10,
      };
    });
  } catch (err) {
    console.error('Failed to fetch tiki roles:', err);
    return [];
  }
}

/**
 * Calculate tiki score from user's tikis.
 * Must match pallet: sum of all tiki bonuses (NOT max).
 */
export function calculateTikiScore(tikis: TikiInfo[]): number {
  if (!tikis.length) return 0;

  let totalScore = 0;
  for (const tiki of tikis) {
    const tikiScore =
      (tiki as TikiInfo & { score?: number }).score ||
      TIKI_NAME_SCORES[tiki.name.toLowerCase()] ||
      10;
    totalScore += tikiScore;
  }

  return totalScore;
}

/**
 * Get tiki score for a user
 */
export async function getTikiScore(peopleApi: ApiPromise, address: string): Promise<number> {
  try {
    const tikis = await fetchUserTikis(peopleApi, address);
    return calculateTikiScore(tikis);
  } catch (err) {
    console.error('Error fetching tiki score:', err);
    return 0;
  }
}

// ========================================
// CITIZENSHIP & PERWERDE
// ========================================

/**
 * Check if user is a citizen (KYC approved)
 */
export async function checkCitizenshipStatus(
  peopleApi: ApiPromise | null,
  address: string
): Promise<boolean> {
  if (!peopleApi || !address) return false;

  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if (!(peopleApi.query as any)?.identityKyc?.kycStatuses) {
      return false;
    }

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const status = await (peopleApi.query.identityKyc as any).kycStatuses(address);
    const statusStr = status.toString();

    return statusStr === 'Approved' || statusStr === '3';
  } catch (err) {
    console.error('Error checking citizenship status:', err);
    return false;
  }
}

/**
 * Get Perwerde (education) score
 */
export async function getPerwerdeScore(
  peopleApi: ApiPromise | null,
  address: string
): Promise<number> {
  if (!peopleApi || !address) return 0;

  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if (!(peopleApi.query as any)?.perwerde) {
      return 0;
    }

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if ((peopleApi.query.perwerde as any).userScores) {
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      const score = await (peopleApi.query.perwerde as any).userScores(address);
      if (!score.isEmpty) {
        return Number(score.toString());
      }
    }

    return 0;
  } catch (err) {
    console.error('Error fetching perwerde score:', err);
    return 0;
  }
}

// ========================================
// SCORE TRACKING & RECORDING (People Chain Extrinsics)
// ========================================

/**
 * Start staking score tracking on People Chain.
 * Calls stakingScore.startScoreTracking() - no arguments.
 * This enables the noter to cache staking details.
 */
export async function startScoreTracking(
  peopleApi: ApiPromise,
  keypair: KeyringPair
): Promise<{ success: boolean; error?: string }> {
  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const tx = peopleApi.tx as any;
    if (!tx?.stakingScore?.startScoreTracking) {
      return { success: false, error: 'stakingScore pallet not available' };
    }

    const result = await new Promise<{ success: boolean; error?: string }>((resolve) => {
      tx.stakingScore
        .startScoreTracking()
        .signAndSend(
          keypair,
          { nonce: -1 },
          ({
            status,
            dispatchError,
          }: {
            status: {
              isInBlock: boolean;
              isFinalized: boolean;
            };
            dispatchError?: { isModule: boolean; asModule: unknown; toString: () => string };
          }) => {
            if (status.isInBlock || status.isFinalized) {
              if (dispatchError) {
                let errorMessage = 'startScoreTracking failed';
                if (dispatchError.isModule) {
                  const decoded = peopleApi.registry.findMetaError(
                    dispatchError.asModule as Parameters<typeof peopleApi.registry.findMetaError>[0]
                  );
                  errorMessage = `${decoded.section}.${decoded.name}`;
                }
                resolve({ success: false, error: errorMessage });
                return;
              }
              resolve({ success: true });
            }
          }
        )
        .catch((error: Error) => resolve({ success: false, error: error.message }));
    });

    return result;
  } catch (error) {
    return {
      success: false,
      error: error instanceof Error ? error.message : 'Unknown error',
    };
  }
}

// ========================================
// PEZ REWARDS (pezRewards pallet on People Chain)
// ========================================

function formatBalancePlanck(planck: string): string {
  const num = BigInt(planck);
  const whole = num / BigInt(10 ** 12);
  const frac = num % BigInt(10 ** 12);
  const fracStr = frac.toString().padStart(12, '0').slice(0, 4);
  return `${whole}.${fracStr}`;
}

/**
 * Get PEZ rewards information for an account
 * Queries pezRewards pallet on People Chain
 */
export async function getPezRewards(
  peopleApi: ApiPromise,
  address: string
): Promise<PezRewardInfo | null> {
  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if (!(peopleApi?.query as any)?.pezRewards?.epochInfo) {
      console.warn('PezRewards pallet not available on People Chain');
      return null;
    }

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const epochInfoResult = await (peopleApi.query as any).pezRewards.epochInfo();
    if (!epochInfoResult) return null;

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const epochInfo = epochInfoResult.toJSON() as any;
    const currentEpoch: number = epochInfo.currentEpoch ?? epochInfo.current_epoch ?? 0;

    // Get current epoch status
    let epochStatus: EpochStatus = 'Open';
    try {
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      const statusResult = await (peopleApi.query as any).pezRewards.epochStatus(currentEpoch);
      const statusStr = statusResult.toString();
      if (statusStr === 'ClaimPeriod') epochStatus = 'ClaimPeriod';
      else if (statusStr === 'Closed') epochStatus = 'Closed';
      else epochStatus = 'Open';
    } catch {
      // Default to Open
    }

    // What a claim pays, worked out the way the chain does (`pezRewards::entitlement`). There
    // is no score to record beforehand: the roll is held still from an epoch's finalisation
    // to the end of its claim window, so the trust score now is the one the rate was set
    // against, and a seat is paid if it is held now and was taken by the time of the roll.
    const claimableRewards: { epoch: number; amount: string }[] = [];
    let totalClaimable = BigInt(0);

    const who = peopleApi.createType('AccountId', address).toString();
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const query = peopleApi.query as any;
    const trustScore = BigInt((await query.trust.trustScores(address)).toString());

    // Seat: the Parlementer tiki, not expired, and the date the seat was taken.
    let seatTakenAt: number | null = null;
    try {
      const tikis = ((await query.tiki.userTikis(address)).toJSON() ?? []) as string[];
      if (tikis.includes('Parlementer')) {
        const expiry = (await query.tiki.tikiExpiry(address, 'Parlementer')).toJSON() as
          | number
          | null;
        const now = (await peopleApi.rpc.chain.getHeader()).number.toNumber();
        if (expiry === null || now <= expiry) {
          // eslint-disable-next-line @typescript-eslint/no-explicit-any
          const members = (await query.welati.parliamentMembers()).toJSON() as any[];
          const member = members.find(
            (m) => peopleApi.createType('AccountId', m.account).toString() === who
          );
          if (member) seatTakenAt = Number(member.electedAt ?? member.elected_at);
        }
      }
    } catch {
      // No seat
    }

    for (let i = Math.max(0, currentEpoch - 3); i < currentEpoch; i++) {
      try {
        const pastStatus = (await query.pezRewards.epochStatus(i)).toString();
        if (pastStatus !== 'ClaimPeriod') continue;

        const claimedResult = await query.pezRewards.claimedRewards(i, address);
        if (claimedResult.isSome) continue;

        const epochPoolResult = await query.pezRewards.epochRewardPools(i);
        if (!epochPoolResult.isSome) continue;

        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        const pool = (epochPoolResult.unwrap() as any).toJSON();
        const rewardPerPoint = BigInt(
          pool.rewardPerTrustPoint ?? pool.reward_per_trust_point ?? '0'
        );
        const seatShare = BigInt(pool.seatShare ?? pool.seat_share ?? '0');
        const finalizedAt = Number(pool.finalizedAt ?? pool.finalized_at ?? 0);

        let rewardAmount = trustScore * rewardPerPoint;
        if (seatTakenAt !== null && seatTakenAt <= finalizedAt) rewardAmount += seatShare;
        if (rewardAmount === BigInt(0)) continue;

        claimableRewards.push({ epoch: i, amount: formatBalancePlanck(rewardAmount.toString()) });
        totalClaimable += rewardAmount;
      } catch (err) {
        console.warn(`Error checking epoch ${i} rewards:`, err);
      }
    }

    return {
      currentEpoch,
      epochStatus,
      claimableRewards,
      totalClaimable: formatBalancePlanck(totalClaimable.toString()),
      hasPendingClaim: claimableRewards.length > 0,
    };
  } catch (error) {
    console.warn('PEZ rewards not available:', error);
    return null;
  }
}

/**
 * Claim PEZ reward for a specific epoch
 * Calls pezRewards.claimReward(epochIndex)
 */
export async function claimPezReward(
  peopleApi: ApiPromise,
  keypair: KeyringPair,
  epochIndex: number
): Promise<{ success: boolean; error?: string }> {
  try {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const tx = peopleApi.tx as any;
    if (!tx?.pezRewards?.claimReward) {
      return { success: false, error: 'pezRewards pallet not available' };
    }

    const result = await new Promise<{ success: boolean; error?: string }>((resolve) => {
      tx.pezRewards
        .claimReward(epochIndex)
        .signAndSend(
          keypair,
          { nonce: -1 },
          ({
            status,
            dispatchError,
          }: {
            status: {
              isInBlock: boolean;
              isFinalized: boolean;
            };
            dispatchError?: { isModule: boolean; asModule: unknown; toString: () => string };
          }) => {
            if (status.isInBlock || status.isFinalized) {
              if (dispatchError) {
                let errorMessage = 'claimReward failed';
                if (dispatchError.isModule) {
                  const decoded = peopleApi.registry.findMetaError(
                    dispatchError.asModule as Parameters<typeof peopleApi.registry.findMetaError>[0]
                  );
                  errorMessage = `${decoded.section}.${decoded.name}`;
                }
                resolve({ success: false, error: errorMessage });
                return;
              }
              resolve({ success: true });
            }
          }
        )
        .catch((error: Error) => resolve({ success: false, error: error.message }));
    });

    return result;
  } catch (error) {
    return {
      success: false,
      error: error instanceof Error ? error.message : 'Unknown error',
    };
  }
}

// ========================================
// COMPREHENSIVE SCORE FETCHING
// ========================================

/**
 * Fetch all scores for a user from People Chain
 * Trust pallet computes composite score on-chain (includes staking, referral, tiki, perwerde)
 */
export async function getAllScores(
  peopleApi: ApiPromise | null,
  address: string
): Promise<UserScores> {
  const empty: UserScores = {
    trustScore: 0,
    referralScore: 0,
    stakingScore: 0,
    tikiScore: 0,
    perwerdeScore: 0,
    totalScore: 0,
    isCitizen: false,
  };

  if (!peopleApi || !address) return empty;

  try {
    const [trustScore, referralScore, tikiScore, perwerdeScore, isCitizen, stakingStatus] =
      await Promise.all([
        getTrustScore(peopleApi, address),
        getReferralScore(peopleApi, address),
        getTikiScore(peopleApi, address),
        getPerwerdeScore(peopleApi, address),
        checkCitizenshipStatus(peopleApi, address),
        getStakingScoreStatus(peopleApi, address),
      ]);

    return {
      trustScore,
      referralScore,
      stakingScore: stakingStatus.score,
      tikiScore,
      perwerdeScore,
      totalScore: trustScore,
      isCitizen,
    };
  } catch (error) {
    console.error('Error fetching scores:', error);
    return empty;
  }
}

// ========================================
// SCORE DISPLAY HELPERS
// ========================================

export function getScoreColor(score: number): string {
  if (score >= 200) return 'text-purple-400';
  if (score >= 150) return 'text-pink-400';
  if (score >= 100) return 'text-blue-400';
  if (score >= 70) return 'text-cyan-400';
  if (score >= 40) return 'text-teal-400';
  if (score >= 20) return 'text-green-400';
  return 'text-gray-400';
}

export function getScoreRating(score: number): string {
  if (score >= 250) return 'Efsane';
  if (score >= 200) return 'Pir Baş';
  if (score >= 150) return 'Baş';
  if (score >= 100) return 'Navîn';
  if (score >= 70) return 'Têr';
  if (score >= 40) return 'Destpêk';
  if (score >= 20) return 'Nû';
  return 'Sifir';
}

export function formatDuration(blocks: number): string {
  const BLOCKS_PER_MINUTE = 10;
  const minutes = blocks / BLOCKS_PER_MINUTE;
  const hours = minutes / 60;
  const days = hours / 24;
  const months = days / 30;

  if (months >= 1) return `${Math.floor(months)} meh`;
  if (days >= 1) return `${Math.floor(days)} roj`;
  if (hours >= 1) return `${Math.floor(hours)} saet`;
  return `${Math.floor(minutes)} deqîqe`;
}