Untitled

import fs from 'fs/promises';
import path from 'path';

export interface StatsData {
  totalItemsSorted: number;
  itemsPerWasteType: Record<string, number>;
  sortingTimestamps: Array<{ timestamp: string; wasteType: string }>;
  bins: Array<{ id: number; type: string; fillLevel: number; emptyings: number }>;
  modelUsage: { api: number; local: number };
  dailyUsage: Array<{ date: string; count: number }>;
  weeklyUsage: Array<{ week: string; count: number }>;
  monthlyUsage: Array<{ month: string; count: number }>;
  timeBetweenSorts: { average: number; min: number; max: number };
  timeOfDayPatterns: Array<{ hour: number; count: number }>;
  streaks: { daily: number; weekly: number; monthly: number };
  binMetrics: {
    timeTo90PercentFull: { average: number; min: number; max: number };
    fillRate: { average: number; min: number; max: number };
    fillLevelBalance: number;
  };
  classificationResponseTimes: { average: number; min: number; max: number };
}

export async function getStatsData(): Promise<StatsData> {
  try {
    const filePath = path.join(process.cwd(), 'data', 'stats.json');
    const fileContents = await fs.readFile(filePath, 'utf8');
    return JSON.parse(fileContents);
  } catch (error) {
    console.error('Error reading stats file:', error);
    // Return mock data as fallback
    return {
      totalItemsSorted: 10000,
      itemsPerWasteType: {
        plastic: 3000,
        paper: 2500,
        glass: 1500,
        metal: 1000,
        organic: 2000
      },
      sortingTimestamps: [
        {timestamp: "2023-06-01T08:30:00Z", wasteType: "plastic"},
        {timestamp: "2023-06-01T09:15:00Z", wasteType: "paper"},
      ],
      bins: [
        {id: 1, type: "plastic", fillLevel: 75, emptyings: 5},
        {id: 2, type: "paper", fillLevel: 60, emptyings: 4},
      ],
      modelUsage: {
        api: 8000,
        local: 2000
      },
      dailyUsage: [
        {date: "2023-06-01", count: 350},
        {date: "2023-06-02", count: 375},
      ],
      weeklyUsage: [
        {week: "2023-W22", count: 2450},
        {week: "2023-W23", count: 2600},
      ],
      monthlyUsage: [
        {month: "2023-05", count: 9800},
        {month: "2023-06", count: 10200},
      ],
      timeBetweenSorts: {
        average: 300,
        min: 60,
        max: 1800
      },
      timeOfDayPatterns: [
        {hour: 0, count: 50},
        {hour: 1, count: 30},
      ],
      streaks: {
        daily: 15,
        weekly: 4,
        monthly: 2
      },
      binMetrics: {
        timeTo90PercentFull: {
          average: 86400,
          min: 43200,
          max: 129600
        },
        fillRate: {
          average: 0.5,
          min: 0.2,
          max: 0.8
        },
        fillLevelBalance: 0.85
      },
      classificationResponseTimes: {
        average: 250,
        min: 100,
        max: 500
      }
    };
  }
}