"use client";

import { useMemo } from 'react';
import { StatsOverview } from '@/lib/types';

export interface StatsDataItem {
  value: string;
  label: string;
  count: number;
}

export function useStatsData(stats: StatsOverview | null) {
  const platforms = useMemo(() => {
    if (!stats?.platformSummary) return [];
    return Object.entries(stats.platformSummary).map(([platform, count]) => ({
      value: platform,
      label: platform,
      count
    }));
  }, [stats?.platformSummary]);

  const owners = useMemo(() => {
    if (!stats?.ownerSummary) return [];
    return Object.entries(stats.ownerSummary).map(([owner, count]) => ({
      value: owner,
      label: owner,
      count
    }));
  }, [stats?.ownerSummary]);

  const statuses = useMemo(() => {
    if (!stats?.statusSummary) return [];
    return Object.entries(stats.statusSummary).map(([status, count]) => ({
      value: status,
      label: getStatusLabel(status),
      count
    }));
  }, [stats?.statusSummary]);

  return {
    platforms,
    owners,
    statuses,
    hasData: Boolean(stats)
  };
}

function getStatusLabel(status: string): string {
  switch (status) {
    case 'available':
      return '可用';
    case 'locked':
      return '已锁定';
    case 'banned':
      return '已封禁';
    default:
      return status;
  }
}