#!/usr/bin/env node
// Génère workflows/evcs-advisor-shadow-v1.json (squelette : nodes, connexions,
// credentials, positions). Le CODE des nodes est ensuite injecté depuis
// src/advisor/ par tools/n8n-build.mjs (source de vérité R2).
// Rejouable : écrase le fichier local (pas le serveur).

import fs from 'fs';

const HA_CRED = { id: 'uv3sknYYigxBkaVN', name: 'Bearer Auth account 2' };
const OPENROUTER_CRED = { id: 'eOM9xofDHT0KMoeY', name: 'OpenRouter Advisor' };
const SPARK_URL = 'http://10.10.10.8:8000';
const CLOUD_MODEL = 'anthropic/claude-haiku-4.5';
const HA_URL = 'http://10.10.10.17:8123';

const nodes = [
  {
    name: 'Schedule Trigger',
    type: 'n8n-nodes-base.scheduleTrigger',
    typeVersion: 1.2,
    position: [0, 0],
    parameters: { rule: { interval: [{ field: 'minutes', minutesInterval: 15 }] } },
  },
  {
    name: 'HA Snapshot Advisor',
    type: 'n8n-nodes-base.httpRequest',
    typeVersion: 4.2,
    position: [200, 0],
    parameters: {
      method: 'POST',
      url: `${HA_URL}/api/template`,
      authentication: 'genericCredentialType',
      genericAuthType: 'httpBearerAuth',
      sendHeaders: true,
      headerParameters: {
        parameters: [
          { name: 'Content-Type', value: 'application/json' },
          { name: 'Accept', value: 'text/plain' },
        ],
      },
      sendBody: true,
      bodyParameters: { parameters: [{ name: 'template', value: '(injecté depuis src/advisor)' }] },
      options: { timeout: 15000 },
    },
    credentials: { httpBearerAuth: HA_CRED },
  },
  {
    name: 'BUILD_PROMPT',
    type: 'n8n-nodes-base.code',
    typeVersion: 2,
    position: [400, 0],
    parameters: { jsCode: '// injecté depuis src/advisor/BUILD_PROMPT.js' },
  },
  {
    name: 'IF_ENABLED',
    type: 'n8n-nodes-base.if',
    typeVersion: 2.2,
    position: [600, 0],
    parameters: {
      conditions: {
        options: { caseSensitive: true, leftValue: '', typeValidation: 'loose', version: 2 },
        combinator: 'and',
        conditions: [
          {
            leftValue: '={{ $json.enabled }}',
            rightValue: '',
            operator: { type: 'boolean', operation: 'true', singleValue: true },
          },
        ],
      },
    },
  },
  {
    name: 'LLM_LOCAL_MODELS',
    type: 'n8n-nodes-base.httpRequest',
    typeVersion: 4.2,
    position: [800, -100],
    parameters: {
      method: 'GET',
      url: `${SPARK_URL}/v1/models`,
      options: { timeout: 5000 },
    },
    onError: 'continueRegularOutput',
    alwaysOutputData: true,
  },
  {
    name: 'LLM_LOCAL',
    type: 'n8n-nodes-base.httpRequest',
    typeVersion: 4.2,
    position: [1000, -100],
    parameters: {
      method: 'POST',
      url: `${SPARK_URL}/v1/chat/completions`,
      sendHeaders: true,
      headerParameters: { parameters: [{ name: 'Content-Type', value: 'application/json' }] },
      sendBody: true,
      specifyBody: 'json',
      jsonBody:
        "={{ JSON.stringify({ model: $('LLM_LOCAL_MODELS').first().json.data[0].id, messages: $('BUILD_PROMPT').first().json.messages, temperature: 0.1, max_tokens: 6000 }) }}",
      options: { timeout: 120000 },
    },
    onError: 'continueRegularOutput',
    alwaysOutputData: true,
  },
  {
    name: 'IF_LOCAL_OK',
    type: 'n8n-nodes-base.if',
    typeVersion: 2.2,
    position: [1200, -100],
    parameters: {
      conditions: {
        options: { caseSensitive: true, leftValue: '', typeValidation: 'loose', version: 2 },
        combinator: 'and',
        conditions: [
          {
            leftValue: "={{ $json.choices !== undefined && $json.choices.length > 0 }}",
            rightValue: '',
            operator: { type: 'boolean', operation: 'true', singleValue: true },
          },
        ],
      },
    },
  },
  {
    name: 'LLM_CLOUD',
    type: 'n8n-nodes-base.httpRequest',
    typeVersion: 4.2,
    position: [1400, 40],
    parameters: {
      method: 'POST',
      url: 'https://openrouter.ai/api/v1/chat/completions',
      authentication: 'genericCredentialType',
      genericAuthType: 'httpHeaderAuth',
      sendHeaders: true,
      headerParameters: { parameters: [{ name: 'Content-Type', value: 'application/json' }] },
      sendBody: true,
      specifyBody: 'json',
      jsonBody:
        `={{ JSON.stringify({ model: '${CLOUD_MODEL}', messages: $('BUILD_PROMPT').first().json.messages, temperature: 0.1, max_tokens: 1000 }) }}`,
      options: { timeout: 60000 },
    },
    credentials: { httpHeaderAuth: OPENROUTER_CRED },
    onError: 'continueRegularOutput',
    alwaysOutputData: true,
  },
  {
    name: 'VALIDATE_PARSE',
    type: 'n8n-nodes-base.code',
    typeVersion: 2,
    position: [1600, -30],
    parameters: { jsCode: '// injecté depuis src/advisor/VALIDATE_PARSE.js' },
  },
  {
    name: 'BUILD_HA_CALLS',
    type: 'n8n-nodes-base.code',
    typeVersion: 2,
    position: [1800, -30],
    parameters: { jsCode: '// injecté depuis src/advisor/BUILD_HA_CALLS.js' },
  },
  {
    name: 'Execute HA Service Advisor',
    type: 'n8n-nodes-base.httpRequest',
    typeVersion: 4.2,
    position: [2000, -30],
    parameters: {
      method: 'POST',
      url: "={{ 'http://10.10.10.17:8123/api/services/' + $json.domain + '/' + $json.service }}",
      authentication: 'genericCredentialType',
      genericAuthType: 'httpBearerAuth',
      sendHeaders: true,
      headerParameters: {
        parameters: [
          { name: 'Content-Type', value: 'application/json' },
          { name: 'accept', value: 'application/json' },
        ],
      },
      sendBody: true,
      specifyBody: 'json',
      jsonBody: '={{ $json.data }}',
      options: { timeout: 15000 },
    },
    credentials: { httpBearerAuth: HA_CRED },
    onError: 'continueRegularOutput',
  },
];

const connections = {
  'Schedule Trigger': { main: [[{ node: 'HA Snapshot Advisor', type: 'main', index: 0 }]] },
  'HA Snapshot Advisor': { main: [[{ node: 'BUILD_PROMPT', type: 'main', index: 0 }]] },
  BUILD_PROMPT: { main: [[{ node: 'IF_ENABLED', type: 'main', index: 0 }]] },
  IF_ENABLED: { main: [[{ node: 'LLM_LOCAL_MODELS', type: 'main', index: 0 }], []] },
  LLM_LOCAL_MODELS: { main: [[{ node: 'LLM_LOCAL', type: 'main', index: 0 }]] },
  LLM_LOCAL: { main: [[{ node: 'IF_LOCAL_OK', type: 'main', index: 0 }]] },
  IF_LOCAL_OK: {
    main: [
      [{ node: 'VALIDATE_PARSE', type: 'main', index: 0 }],
      [{ node: 'LLM_CLOUD', type: 'main', index: 0 }],
    ],
  },
  LLM_CLOUD: { main: [[{ node: 'VALIDATE_PARSE', type: 'main', index: 0 }]] },
  VALIDATE_PARSE: { main: [[{ node: 'BUILD_HA_CALLS', type: 'main', index: 0 }]] },
  BUILD_HA_CALLS: { main: [[{ node: 'Execute HA Service Advisor', type: 'main', index: 0 }]] },
};

const workflow = {
  name: 'EVCS Advisor Shadow V1',
  nodes,
  connections,
  settings: { executionOrder: 'v1', callerPolicy: 'workflowsFromSameOwner' },
  staticData: null,
};

fs.writeFileSync('workflows/evcs-advisor-shadow-v1.json', JSON.stringify(workflow, null, 2) + '\n');
console.log(`Squelette écrit: workflows/evcs-advisor-shadow-v1.json (${nodes.length} nodes)`);
console.log('→ lancer: node tools/n8n-build.mjs workflows/evcs-advisor-shadow-v1.json');