{
  "name": "QRlytics Event Badge Generator",
  "nodes": [
    {
      "parameters": {
        "formTitle": "Generate Event Badges",
        "formDescription": "Create unique QR codes for event badges/wristbands in bulk",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Number of Badges",
              "fieldType": "number",
              "placeholder": "e.g., 5000",
              "requiredField": true
            },
            {
              "fieldLabel": "Event Prefix",
              "placeholder": "e.g., FESTIVAL2026",
              "requiredField": true
            },
            {
              "fieldLabel": "Redirect URL",
              "placeholder": "https://your-event.com/scan",
              "requiredField": true
            },
            {
              "fieldLabel": "Google Drive Folder ID",
              "placeholder": "Folder ID from Google Drive",
              "requiredField": true
            }
          ]
        },
        "options": {}
      },
      "id": "35a6ac77-93fc-4c64-81df-987ba0b2c225",
      "name": "Badge Generation Form",
      "type": "n8n-nodes-base.formTrigger",
      "typeVersion": 2.2,
      "position": [
        288,
        -240
      ]
    },
    {
      "parameters": {
        "jsCode": "// Generate array of badge items to create\nconst form = $input.first().json;\nconst count = parseInt(form['Number of Badges']) || 10;\nconst prefix = form['Event Prefix'] || 'BADGE';\nconst redirectUrl = form['Redirect URL'] || 'https://example.com';\nconst folderId = form['Google Drive Folder ID'];\n\n// Generate array of items\nconst badges = [];\nfor (let i = 1; i <= count; i++) {\n  const badgeId = `${prefix}-${String(i).padStart(4, '0')}`;\n  badges.push({\n    index: i,\n    badge_id: badgeId,\n    redirect_url: `${redirectUrl}?badge=${badgeId}`,\n    folder_id: folderId,\n    prefix: prefix,\n    total_count: count\n  });\n}\n\nreturn badges.map(b => ({ json: b }));"
      },
      "id": "bc0c8692-d54a-4aca-a579-9e4f2744dabe",
      "name": "Generate Badge Array",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        512,
        -240
      ]
    },
    {
      "parameters": {
        "options": {}
      },
      "id": "5fdf98a3-919d-401c-b2ad-f3db137d5262",
      "name": "Loop Over Badges",
      "type": "n8n-nodes-base.splitInBatches",
      "typeVersion": 3,
      "position": [
        736,
        -240
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://qrlytics.eu/api/v1/qr",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        },
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "name",
              "value": "={{ $json.badge_id }}"
            },
            {
              "name": "type",
              "value": "url"
            },
            {
              "name": "content",
              "value": "={{ $json.redirect_url }}"
            }
          ]
        },
        "options": {}
      },
      "id": "ad5c4b5c-630b-44eb-aee0-34acec7b2b2c",
      "name": "Create QR via API",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.3,
      "position": [
        1136,
        -32
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "",
          "name": ""
        }
      }
    },
    {
      "parameters": {
        "jsCode": "// Convert base64 QR image from API response to binary for Google Drive upload\nconst qrResponse = $('Create QR via API').item.json;\nconst badgeData = $('Loop Over Badges').item.json;\n\nconst base64DataUrl = qrResponse.qr_image_url;\nif (!base64DataUrl) {\n  throw new Error('No qr_image_url in API response. Response keys: ' + Object.keys(qrResponse).join(', '));\n}\n\n// Extract pure base64 from data URL (remove \"data:image/png;base64,\" prefix)\nconst base64Data = base64DataUrl.replace(/^data:image\\/\\w+;base64,/, '');\nconst buffer = Buffer.from(base64Data, 'base64');\n\nconst fileName = `${badgeData.badge_id}.png`;\n\nconst binaryData = await this.helpers.prepareBinaryData(\n  buffer,\n  fileName,\n  'image/png'\n);\n\nreturn [{\n  json: {\n    badge_id: badgeData.badge_id,\n    folder_id: badgeData.folder_id,\n    prefix: badgeData.prefix,\n    short_url: qrResponse.short_url,\n    qr_id: qrResponse.id\n  },\n  binary: {\n    data: binaryData\n  }\n}];"
      },
      "id": "4d341771-1b30-47de-8ea4-85f24be272ab",
      "name": "Convert Base64 to Image",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1344,
        -32
      ]
    },
    {
      "parameters": {
        "name": "={{ $json.badge_id }}.png",
        "driveId": {
          "__rl": true,
          "value": "https://drive.google.com/drive/u/0/folders/118AF72y4ukHD0V4fQvUYVlHKfKB2YXA_",
          "mode": "url"
        },
        "folderId": {
          "__rl": true,
          "value": "={{ $json.folder_id }}",
          "mode": "id"
        },
        "options": {}
      },
      "id": "e468aef5-84c8-4aaa-9f5b-a03a1e64a885",
      "name": "Upload to Google Drive",
      "type": "n8n-nodes-base.googleDrive",
      "typeVersion": 3,
      "position": [
        1552,
        -32
      ],
      "credentials": {
        "googleDriveOAuth2Api": {
          "id": "",
          "name": ""
        }
      }
    },
    {
      "parameters": {
        "jsCode": "// Summarize results\nconst items = $input.all();\nconst first = items[0]?.json || {};\n\nreturn [{\n  json: {\n    success: true,\n    message: `Successfully generated ${items.length} QR codes`,\n    prefix: first.prefix || 'BADGES',\n    total_created: items.length,\n    folder_id: first.folder_id,\n    sample_badge: first.badge_id\n  }\n}];"
      },
      "id": "b0c50496-73e8-44fa-8cb7-1983b2ea174a",
      "name": "Summarize Results",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1136,
        -224
      ]
    },
    {
      "parameters": {
        "sendTo": "zmidloch@z-agency.cz",
        "subject": "Entrance to Play Zone - VIP - done",
        "message": "={{ $json.message }} visit QR folder",
        "options": {}
      },
      "type": "n8n-nodes-base.gmail",
      "typeVersion": 2.2,
      "position": [
        1344,
        -224
      ],
      "id": "880cf0e2-004e-4fb9-a07b-52b35ab3e5f1",
      "name": "Send a message",
      "credentials": {
        "gmailOAuth2": {
          "id": "",
          "name": ""
        }
      }
    }
  ],
  "connections": {
    "Badge Generation Form": {
      "main": [
        [
          {
            "node": "Generate Badge Array",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Badge Array": {
      "main": [
        [
          {
            "node": "Loop Over Badges",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Loop Over Badges": {
      "main": [
        [
          {
            "node": "Summarize Results",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Create QR via API",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create QR via API": {
      "main": [
        [
          {
            "node": "Convert Base64 to Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Convert Base64 to Image": {
      "main": [
        [
          {
            "node": "Upload to Google Drive",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Upload to Google Drive": {
      "main": [
        [
          {
            "node": "Loop Over Badges",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Summarize Results": {
      "main": [
        [
          {
            "node": "Send a message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "timezone": "Europe/Prague"
  },
  "meta": {
    "templateCredsSetupCompleted": false
  },
  "tags": [
    "QRlytics",
    "Event",
    "Badge Generator",
    "API"
  ]
}