/**
 * Weekly Status Report Generator
 */

import { transactionExplorer } from "../monitoring/explorer.js";
import { gasTracker } from "../monitoring/gasTracker.js";
import { healthDashboard } from "../monitoring/dashboard.js";

export interface WeeklyReport {
  period: {
    start: number;
    end: number;
  };
  executions: {
    total: number;
    successful: number;
    failed: number;
    successRate: number;
  };
  gas: {
    total: bigint;
    average: bigint;
    peak: bigint;
    trend: "increasing" | "decreasing" | "stable";
  };
  system: {
    status: "healthy" | "degraded" | "down";
    uptime: number;
    protocols: any[];
  };
  alerts: {
    count: number;
    critical: number;
    warnings: number;
  };
}

/**
 * Generate weekly status report
 */
export function generateWeeklyReport(): WeeklyReport {
  const now = Date.now();
  const weekAgo = now - 7 * 24 * 60 * 60 * 1000;

  const stats = transactionExplorer.getStats();
  const metrics = healthDashboard.getMetrics();
  const avgGas = gasTracker.getAverage(7 * 24 * 60);
  const peakGas = gasTracker.getPeak(7 * 24 * 60);
  const gasTrend = gasTracker.getTrend(7 * 24 * 60);

  return {
    period: {
      start: weekAgo,
      end: now,
    },
    executions: {
      total: stats.total,
      successful: stats.successful,
      failed: stats.failed,
      successRate: stats.total > 0 ? stats.successful / stats.total : 0,
    },
    gas: {
      total: stats.totalGasUsed,
      average: avgGas,
      peak: peakGas,
      trend: gasTrend,
    },
    system: {
      status: healthDashboard.getSystemStatus(),
      uptime: metrics.uptime,
      protocols: healthDashboard.getProtocolHealth(),
    },
    alerts: {
      count: 0, // Would be populated from alert manager
      critical: 0,
      warnings: 0,
    },
  };
}

/**
 * Format report as markdown
 */
export function formatWeeklyReport(report: WeeklyReport): string {
  return `
# Weekly Status Report

**Period**: ${new Date(report.period.start).toISOString()} - ${new Date(report.period.end).toISOString()}

## Executions
- Total: ${report.executions.total}
- Successful: ${report.executions.successful}
- Failed: ${report.executions.failed}
- Success Rate: ${(report.executions.successRate * 100).toFixed(2)}%

## Gas Usage
- Total: ${report.gas.total.toString()}
- Average: ${report.gas.average.toString()}
- Peak: ${report.gas.peak.toString()}
- Trend: ${report.gas.trend}

## System Status
- Status: ${report.system.status}
- Uptime: ${(report.system.uptime / 1000 / 60 / 60).toFixed(2)} hours
- Protocols: ${report.system.protocols.length} monitored

## Alerts
- Total: ${report.alerts.count}
- Critical: ${report.alerts.critical}
- Warnings: ${report.alerts.warnings}
`;
}