import { defineHook, type ValidateHook } from '@lambdahk/core'

export const validate: ValidateHook = async (ctx, config) => {
  if (!config['enabled']) {
    return { granted: true }
  }

  // Example: Block requests from suspicious IPs
  const blockedIPs = ['102.88.67.12', '197.210.54.89']
  if (blockedIPs.includes(ctx.host)) {
    ctx.log('Blocked suspicious IP', { ip: ctx.host })
    return {
      granted: false,
      reason: 'Suspicious IP address',
      extra_headers: { 'X-Blocked-By': 'LambdaHook' }
    }
  }

  return { granted: true }
}

export default defineHook(validate)