import sqlite3 from 'sqlite3'
import path from 'path'

export interface AuditLogEntry {
  user_id?: number
  action: string
  resource_type: string
  resource_id?: number
  details?: any
  ip_address?: string
}

export async function logAuditEvent(entry: AuditLogEntry): Promise<void> {
  const dbPath = path.join(process.cwd(), 'database', 'antihoax.db')
  const db = new sqlite3.Database(dbPath)
  
  try {
    await new Promise<void>((resolve, reject) => {
      db.run(
        `INSERT INTO audit_logs (user_id, action, resource_type, resource_id, details, ip_address, created_at)
         VALUES (?, ?, ?, ?, ?, ?, datetime('now'))`,
        [
          entry.user_id || null,
          entry.action,
          entry.resource_type,
          entry.resource_id || null,
          entry.details ? JSON.stringify(entry.details) : null,
          entry.ip_address || null
        ],
        (err) => {
          if (err) reject(err)
          else resolve()
        }
      )
    })
  } catch (error) {
    console.error('Audit logging failed:', error)
  } finally {
    db.close()
  }
}

export const AuditActions = {
  CREATE: 'CREATE',
  UPDATE: 'UPDATE',
  DELETE: 'DELETE',
  APPROVE: 'APPROVE',
  REJECT: 'REJECT',
  LOGIN: 'LOGIN',
  LOGOUT: 'LOGOUT',
  BULK_IMPORT: 'BULK_IMPORT',
  EXPORT: 'EXPORT'
} as const

export const ResourceTypes = {
  SOURCE: 'source',
  REPORT: 'report',
  USER: 'user',
  CATEGORY: 'category',
  API_KEY: 'api_key'
} as const