{
  "name": "Gerador de Imagens (GPT-Image-2)",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "generate-ad-image",
        "responseMode": "lastNode",
        "options": {}
      },
      "id": "webhook-node-1",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        300
      ],
      "webhookId": "ad-image-generator"
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.openai.com/v1/images/generations",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "Bearer sk-proj-COLOQUE_SUA_CHAVE_AQUI"
            },
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"model\": \"gpt-image-2\",\n  \"prompt\": \"{{ $json.body.prompt }}\",\n  \"n\": 1,\n  \"size\": \"{{ $json.body.dimensions || '1024x1024' }}\"\n}",
        "options": {
          "timeout": 120000
        }
      },
      "id": "http-request-1",
      "name": "OpenAI - Generate Image",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.1,
      "position": [
        450,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "const response = $input.first().json;\n\n// Pega a URL ou o Base64 gerado pela OpenAI\nlet imageUrl = response.data?.[0]?.url;\nif (!imageUrl && response.data?.[0]?.b64_json) {\n  imageUrl = `data:image/png;base64,${response.data[0].b64_json}`;\n}\n\n// Devolve o JSON no formato que o Next.js espera\nreturn {\n  url: imageUrl,\n  revised_prompt: response.data?.[0]?.revised_prompt || \"\"\n};"
      },
      "id": "code-node-1",
      "name": "Format Output",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        650,
        300
      ]
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "OpenAI - Generate Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI - Generate Image": {
      "main": [
        [
          {
            "node": "Format Output",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {}
}