import { Controller, Get, Query } from '@nestjs/common';
import {
  ApiTags,
  ApiOperation,
  ApiBearerAuth,
  ApiQuery,
} from '@nestjs/swagger';
import { DashboardService } from '../../application/services/dashboard.service';

@ApiTags('Dashboard')
@ApiBearerAuth()
@Controller('dashboard')
export class DashboardController {
  constructor(private readonly dashboardService: DashboardService) {}

  @Get()
  @ApiOperation({ summary: '获取仪表盘统计数据' })
  async getStats() {
    const raw = await this.dashboardService.getDashboardStats();

    // 计算24小时价格变化
    let priceChange24h = 0;
    if (raw.latestPrice) {
      const open = parseFloat(raw.latestPrice.open) || 1;
      const close = parseFloat(raw.latestPrice.close) || 1;
      priceChange24h = (close - open) / open;
    }

    // 转换为前端期望的格式
    return {
      totalUsers: raw.users?.total || 0,
      adoptedUsers: raw.users?.adopted || 0,
      totalTrees: raw.contribution?.totalTrees || 0,
      networkEffectiveContribution: raw.contribution?.effectiveContribution || '0',
      networkTotalContribution: raw.contribution?.totalContribution || '0',
      networkLevelPending: raw.contribution?.teamLevelContribution || '0',
      networkBonusPending: raw.contribution?.teamBonusContribution || '0',
      totalDistributed: raw.mining?.totalMined || '0',
      totalBurned: raw.mining?.latestDailyStat?.totalBurned || '0',
      circulationPool: raw.trading?.circulationPool?.totalShares || '0',
      currentPrice: raw.latestPrice?.close || '1',
      priceChange24h,
      totalOrders: raw.trading?.totalAccounts || 0,
      totalTrades: raw.trading?.totalAccounts || 0,
    };
  }

  @Get('stats')
  @ApiOperation({ summary: '获取仪表盘统计数据（别名）' })
  async getStatsAlias() {
    return this.getStats();
  }

  @Get('realtime')
  @ApiOperation({ summary: '获取实时数据' })
  async getRealtimeStats() {
    const raw = await this.dashboardService.getRealtimeStats();

    // 转换为前端期望的格式
    return {
      currentMinuteDistribution: raw.minuteDistribution || '0',
      currentMinuteBurn: '0', // 暂无实时销毁数据
      activeOrders: 0, // 暂无实时订单数据
      pendingTrades: 0, // 暂无待处理交易数据
      lastPriceUpdateAt: raw.timestamp,
    };
  }

  @Get('reports')
  @ApiOperation({ summary: '获取每日报表' })
  @ApiQuery({ name: 'page', required: false, type: Number })
  @ApiQuery({ name: 'pageSize', required: false, type: Number })
  async getReports(
    @Query('page') page?: number,
    @Query('pageSize') pageSize?: number,
  ) {
    return this.dashboardService.getReports(page ?? 1, pageSize ?? 30);
  }
}