{
  "meta": { "instanceId": "aibn-otp-verification" },
  "nodes": [
    {
      "parameters": { "httpMethod": "POST", "path": "auth/request-otp", "options": {} },
      "name": "Request OTP",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [200, 300],
      "id": "b1b2c3d4-0001-4000-8000-000000000001",
      "webhookId": "request-otp"
    },
    {
      "parameters": {
        "jsCode": "const otp = Math.floor(100000 + Math.random() * 900000).toString();\nconst phone = $input.first().json.body.phone;\nreturn [{ json: { phone, otp, expiresAt: Date.now() + 300000 } }];"
      },
      "name": "Generate OTP",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [420, 300],
      "id": "b1b2c3d4-0002-4000-8000-000000000002"
    },
    {
      "parameters": {
        "operation": "set",
        "key": "={{ 'otp:' + $json.phone }}",
        "value": "={{ $json.otp }}",
        "expire": true,
        "ttl": 300
      },
      "name": "Store in Redis",
      "type": "n8n-nodes-base.redis",
      "typeVersion": 1,
      "position": [640, 300],
      "id": "b1b2c3d4-0003-4000-8000-000000000003"
    },
    {
      "parameters": {
        "from": "+1234567890",
        "to": "={{ $json.phone }}",
        "message": "=your code: {{ $json.otp }}. expires in 5 minutes."
      },
      "name": "Send SMS",
      "type": "n8n-nodes-base.twilio",
      "typeVersion": 1,
      "position": [860, 300],
      "id": "b1b2c3d4-0004-4000-8000-000000000004"
    },
    {
      "parameters": { "httpMethod": "POST", "path": "auth/verify-otp", "options": {} },
      "name": "Verify OTP",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [200, 520],
      "id": "b1b2c3d4-0005-4000-8000-000000000005",
      "webhookId": "verify-otp"
    },
    {
      "parameters": {
        "operation": "get",
        "key": "={{ 'otp:' + $json.body.phone }}"
      },
      "name": "Lookup OTP",
      "type": "n8n-nodes-base.redis",
      "typeVersion": 1,
      "position": [420, 520],
      "id": "b1b2c3d4-0006-4000-8000-000000000006"
    },
    {
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{ $json.value }}",
              "operation": "equals",
              "value2": "={{ $('Verify OTP').item.json.body.otp }}"
            }
          ]
        }
      },
      "name": "OTP Valid?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [640, 520],
      "id": "b1b2c3d4-0007-4000-8000-000000000007"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={ \"token\": \"jwt-here\", \"success\": true }"
      },
      "name": "Return Session",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [860, 460],
      "id": "b1b2c3d4-0008-4000-8000-000000000008"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={ \"success\": false, \"error\": \"invalid code\" }",
        "options": { "responseCode": 401 }
      },
      "name": "Reject",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [860, 580],
      "id": "b1b2c3d4-0009-4000-8000-000000000009"
    }
  ],
  "connections": {
    "Request OTP": { "main": [[{ "node": "Generate OTP", "type": "main", "index": 0 }]] },
    "Generate OTP": { "main": [[{ "node": "Store in Redis", "type": "main", "index": 0 }]] },
    "Store in Redis": { "main": [[{ "node": "Send SMS", "type": "main", "index": 0 }]] },
    "Verify OTP": { "main": [[{ "node": "Lookup OTP", "type": "main", "index": 0 }]] },
    "Lookup OTP": { "main": [[{ "node": "OTP Valid?", "type": "main", "index": 0 }]] },
    "OTP Valid?": {
      "main": [
        [{ "node": "Return Session", "type": "main", "index": 0 }],
        [{ "node": "Reject", "type": "main", "index": 0 }]
      ]
    }
  },
  "pinData": {}
}