// Builds n8n/W1-customer-provision.json — Customer webhook with status lifecycle.
// Single source of truth: shared/effective-grants.js (inlined) + w1-body.js.
// Run: node n8n/gen_w1.js
const fs = require('fs');
const path = require('path');
const { sharedSource } = require('./inline_shared');

let body = fs.readFileSync(path.join(__dirname, 'w1-body.js'), 'utf8');
body = body.replace('// __SHARED_INLINE__  (replaced by shared/effective-grants.js source at build)', sharedSource());

const workflow = {
  name: 'W1 - Customer Provision & Status Lifecycle',
  nodes: [
    {
      parameters: {
        httpMethod: 'POST',
        path: 'alist-customer-provision',
        responseMode: 'onReceived',
        options: {}
      },
      id: 'trigger-webhook',
      name: 'NocoDB: Customer Webhook',
      type: 'n8n-nodes-base.webhook',
      typeVersion: 2,
      position: [0, 0],
      webhookId: 'customer-provision'
    },
    {
      parameters: {
        jsCode: "const body = $input.item.json.body ?? $input.item.json;\nconst data = body.data ?? {};\n// NocoDB v2: data.rows = post-update rows, data.previous_rows = pre-update rows.\nconst newRows = data.rows ?? data.rows_new ?? [];\nconst oldRows = data.previous_rows ?? data.rows_old ?? [];\nconst newRow = newRows[0] ?? {};\nconst oldRow = oldRows[0] ?? {};\nconst id = newRow.Id ?? oldRow.Id;\nif (!id) throw new Error('no customer Id in webhook');\nreturn { json: { customerId: Number(id), eventType: body.type ?? '', previousRow: oldRow, newRow } };\n"
      },
      id: 'extract-id',
      name: 'Extract Customer Record Id',
      type: 'n8n-nodes-base.code',
      typeVersion: 2,
      position: [220, 0]
    },
    {
      parameters: {
        jsCode: "// pass-through env + webhook fields (custom env vars readable ONLY via $env here)\nconst prev = $input.item.json;\nreturn { json: {\n  customerId: prev.customerId,\n  eventType: prev.eventType,\n  previousRow: prev.previousRow,\n  newRow: prev.newRow,\n  NOCODB_URL: $env.NOCODB_URL,\n  NOCODB_TOKEN: $env.NOCODB_TOKEN,\n  NOCODB_TABLE_CUSTOMERS: $env.NOCODB_TABLE_CUSTOMERS,\n  NOCODB_TABLE_CUSTOMERPRODUCTS: $env.NOCODB_TABLE_CUSTOMERPRODUCTS,\n  NOCODB_TABLE_PRODUCTS: $env.NOCODB_TABLE_PRODUCTS,\n  NOCODB_TABLE_RESOURCES: $env.NOCODB_TABLE_RESOURCES,\n  NOCODB_TABLE_ACCESSGRANTS: $env.NOCODB_TABLE_ACCESSGRANTS,\n  NOCODB_LINK_PROD_RESOURCES: $env.NOCODB_LINK_PROD_RESOURCES,\n  ALIST_URL: $env.ALIST_URL,\n  ALIST_ADMIN_USERNAME: $env.ALIST_ADMIN_USERNAME,\n  ALIST_ADMIN_PASSWORD: $env.ALIST_ADMIN_PASSWORD,\n} };\n"
      },
      id: 'load-env',
      name: 'Load Env',
      type: 'n8n-nodes-base.code',
      typeVersion: 2,
      position: [220, 0]
    },
    {
      parameters: { jsCode: body },
      id: 'lifecycle',
      name: 'Provision & Apply Lifecycle',
      type: 'n8n-nodes-base.code',
      typeVersion: 2,
      position: [440, 0]
    }
  ],
  connections: {
    'NocoDB: Customer Webhook': { main: [[{ node: 'Extract Customer Record Id', type: 'main', index: 0 }]] },
    'Extract Customer Record Id': { main: [[{ node: 'Load Env', type: 'main', index: 0 }]] },
    'Load Env': { main: [[{ node: 'Provision & Apply Lifecycle', type: 'main', index: 0 }]] }
  },
  settings: { executionOrder: 'v1' },
  pinData: {}
};

fs.writeFileSync(path.join(__dirname, 'W1-customer-provision.json'), JSON.stringify(workflow, null, 2) + '\n');
console.log('wrote W1-customer-provision.json (' + body.length + ' chars body)');