/**
 * Export command - Export compliance reports
 */

import { Command } from 'commander'
import * as fs from 'fs'
import * as path from 'path'

interface ExportOptions {
  format?: string
  output?: string
  type?: string
}

export const exportCommand = new Command('export')
  .description('Export compliance reports and documentation')
  .option('-f, --format <format>', 'Export format (pdf, docx, json, csv)', 'pdf')
  .option('-o, --output <path>', 'Output file path')
  .option('-t, --type <type>', 'Report type (full, summary, vvt, tom, dsfa, controls, risks)', 'summary')
  .action(async (options: ExportOptions) => {
    const chalk = (await import('chalk')).default
    const ora = (await import('ora')).default
    const inquirer = (await import('inquirer')).default

    console.log(chalk.bold.blue('\n📄 BreakPilot Compliance Export\n'))

    // Prompt for export details
    const answers = await inquirer.prompt([
      {
        type: 'list',
        name: 'type',
        message: 'Select report type:',
        choices: [
          { name: 'Full Compliance Report', value: 'full' },
          { name: 'Executive Summary', value: 'summary' },
          { name: 'Verarbeitungsverzeichnis (VVT)', value: 'vvt' },
          { name: 'Technische & Organisatorische Maßnahmen (TOM)', value: 'tom' },
          { name: 'Datenschutz-Folgenabschätzung (DSFA)', value: 'dsfa' },
          { name: 'Controls Overview', value: 'controls' },
          { name: 'Risk Register', value: 'risks' },
          { name: 'SBOM (Software Bill of Materials)', value: 'sbom' },
        ],
        default: options.type,
      },
      {
        type: 'list',
        name: 'format',
        message: 'Select export format:',
        choices: [
          { name: 'PDF', value: 'pdf' },
          { name: 'Word Document (DOCX)', value: 'docx' },
          { name: 'JSON', value: 'json' },
          { name: 'CSV', value: 'csv' },
          { name: 'CycloneDX (SBOM only)', value: 'cyclonedx' },
          { name: 'SPDX (SBOM only)', value: 'spdx' },
        ],
        default: options.format,
      },
      {
        type: 'input',
        name: 'output',
        message: 'Output file path:',
        default: (answers: { type: string; format: string }) =>
          `compliance-${answers.type}-${new Date().toISOString().split('T')[0]}.${answers.format}`,
      },
    ])

    const spinner = ora('Generating report...').start()

    try {
      // In a real implementation, this would:
      // 1. Connect to the compliance API
      // 2. Fetch all relevant data
      // 3. Generate the report in the requested format

      spinner.text = 'Fetching compliance data...'
      await sleep(1000)

      spinner.text = 'Generating document...'
      await sleep(1500)

      const outputPath = path.resolve(answers.output)

      // Generate mock output
      const content = generateMockReport(answers.type, answers.format)
      fs.writeFileSync(outputPath, content)

      spinner.succeed('Report generated successfully!')

      console.log(chalk.green('\n✅ Export complete'))
      console.log(chalk.gray(`   File: ${outputPath}`))
      console.log(chalk.gray(`   Type: ${answers.type}`))
      console.log(chalk.gray(`   Format: ${answers.format}`))

      // Show report preview for JSON
      if (answers.format === 'json') {
        console.log(chalk.bold('\n📋 Preview:\n'))
        const preview = JSON.parse(content)
        console.log(chalk.gray(JSON.stringify(preview, null, 2).substring(0, 500) + '...'))
      }
    } catch (error) {
      spinner.fail('Export failed')
      console.error(chalk.red('Error:'), error)
      process.exit(1)
    }
  })

function generateMockReport(type: string, format: string): string {
  const reportData = {
    generatedAt: new Date().toISOString(),
    reportType: type,
    format: format,
    organization: 'Example Organization',
    complianceScore: 78,
    summary: {
      totalControls: 44,
      implementedControls: 35,
      partialControls: 6,
      openControls: 3,
      totalRisks: 12,
      criticalRisks: 1,
      highRisks: 2,
      regulations: ['DSGVO', 'NIS2', 'AI Act'],
    },
    sections: getSectionsForType(type),
  }

  if (format === 'json' || format === 'cyclonedx' || format === 'spdx') {
    return JSON.stringify(reportData, null, 2)
  }

  // For PDF/DOCX, we'd use a proper document generation library
  // For now, return a placeholder
  return `[${format.toUpperCase()} Report - ${type}]\n\n${JSON.stringify(reportData, null, 2)}`
}

function getSectionsForType(type: string): Record<string, unknown>[] {
  switch (type) {
    case 'vvt':
      return [
        {
          id: 'vvt-1',
          name: 'Kundenmanagement',
          purpose: 'Verwaltung von Kundenbeziehungen',
          legalBasis: 'Art. 6 Abs. 1 lit. b DSGVO',
          dataCategories: ['Kontaktdaten', 'Vertragsdetails', 'Kommunikationshistorie'],
          retentionPeriod: '10 Jahre nach Vertragsende',
        },
        {
          id: 'vvt-2',
          name: 'Personalverwaltung',
          purpose: 'Verwaltung von Mitarbeiterdaten',
          legalBasis: 'Art. 6 Abs. 1 lit. b, c DSGVO',
          dataCategories: ['Personaldaten', 'Gehaltsdaten', 'Leistungsdaten'],
          retentionPeriod: '10 Jahre nach Beendigung',
        },
      ]
    case 'tom':
      return [
        {
          category: 'Zutrittskontrolle',
          measures: [
            'Zutrittskontrollsystem mit Chipkarten',
            'Videoüberwachung der Eingänge',
            'Besucherregistrierung',
          ],
        },
        {
          category: 'Zugangskontrolle',
          measures: [
            'Passwort-Policy (min. 12 Zeichen)',
            'Multi-Faktor-Authentifizierung',
            'Automatische Sperrung nach 5 Fehlversuchen',
          ],
        },
      ]
    case 'controls':
      return [
        {
          id: 'ctrl-1',
          domain: 'ACCESS_CONTROL',
          title: 'Benutzerauthentifizierung',
          status: 'IMPLEMENTED',
          evidence: ['auth-policy.pdf', 'mfa-config.png'],
        },
        {
          id: 'ctrl-2',
          domain: 'DATA_PROTECTION',
          title: 'Datenverschlüsselung',
          status: 'IMPLEMENTED',
          evidence: ['encryption-certificate.pdf'],
        },
      ]
    case 'risks':
      return [
        {
          id: 'risk-1',
          title: 'Datenverlust durch Cyberangriff',
          likelihood: 3,
          impact: 5,
          severity: 'HIGH',
          mitigation: 'Backup-Strategie, Incident Response Plan',
          status: 'MITIGATED',
        },
        {
          id: 'risk-2',
          title: 'DSGVO-Bußgeld wegen unzureichender Dokumentation',
          likelihood: 2,
          impact: 4,
          severity: 'MEDIUM',
          mitigation: 'Regelmäßige Dokumentationsaudits',
          status: 'MONITORING',
        },
      ]
    default:
      return []
  }
}

function sleep(ms: number): Promise<void> {
  return new Promise(resolve => setTimeout(resolve, ms))
}
