{
  "id": "mPmailprocess001",
  "name": "메일 처리 파이프라인",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 15
            }
          ]
        }
      },
      "id": "m1000001-0000-0000-0000-000000000010",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        0,
        300
      ]
    },
    {
      "parameters": {
        "method": "GET",
        "url": "={{ $env.MAIL_BRIDGE_URL }}/recent?days=1",
        "options": {
          "timeout": 15000
        }
      },
      "id": "m1000001-0000-0000-0000-000000000011",
      "name": "Fetch Mails",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        220,
        300
      ]
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "SELECT message_id FROM mail_logs WHERE mail_date >= NOW() - INTERVAL '2 days'",
        "options": {}
      },
      "id": "m1000001-0000-0000-0000-000000000012",
      "name": "Get Existing IDs",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 2.5,
      "position": [
        440,
        300
      ],
      "credentials": {
        "postgres": {
          "id": "KaxU8iKtraFfsrTF",
          "name": "bot-postgres"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "const mailsResponse = $('Fetch Mails').first().json;\nconst mails = mailsResponse.mails || [];\nconst existingRows = $input.all();\nconst existingIds = new Set(existingRows.map(r => r.json.message_id).filter(Boolean));\n\nconst results = [];\nfor (const mail of mails) {\n  const mid = mail.messageId || '';\n  if (!mid || existingIds.has(mid)) continue;\n  results.push({ json: {\n    from: mail.from || '',\n    subject: (mail.subject || '').substring(0, 500),\n    body: (mail.text || '').substring(0, 5000).replace(/<[^>]*>/g, '').replace(/\\s+/g, ' ').trim(),\n    mailDate: mail.date || new Date().toISOString(),\n    messageId: mid\n  }});\n}\nreturn results;"
      },
      "id": "m1000001-0000-0000-0000-000000000002",
      "name": "Parse & Filter New",
      "type": "n8n-nodes-base.code",
      "typeVersion": 1,
      "position": [
        660,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "function httpPost(url, body, { timeout = 15000, headers = {} } = {}) {\n  return new Promise((resolve, reject) => {\n    const data = JSON.stringify(body);\n    const u = require('url').parse(url);\n    const mod = require(u.protocol === 'https:' ? 'https' : 'http');\n    const req = mod.request({\n      hostname: u.hostname, port: u.port, path: u.path,\n      method: 'POST',\n      headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(data), ...headers }\n    }, (res) => {\n      let body = '';\n      res.on('data', c => body += c);\n      res.on('end', () => {\n        if (res.statusCode >= 400) return reject(new Error(url + ' \\u2192 ' + res.statusCode + ': ' + body.slice(0, 200)));\n        try { resolve(JSON.parse(body)); } catch(e) { reject(new Error('JSON parse error: ' + body.slice(0, 200))); }\n      });\n    });\n    req.on('error', reject);\n    req.setTimeout(timeout, () => { req.destroy(); reject(new Error(url + ' \\u2192 timeout after ' + timeout + 'ms')); });\n    req.write(data);\n    req.end();\n  });\n}\n\nconst item = $input.first().json;\nconst prompt = `메일을 분류하고 요약하세요. JSON만 출력.\n\n{\n  \"summary\": \"한국어 2~3문장 요약\",\n  \"label\": \"업무|개인|광고|알림\",\n  \"has_events\": true/false,\n  \"has_tasks\": true/false\n}\n\n보낸 사람: ${item.from}\n제목: ${item.subject}\n본문: ${item.body.substring(0, 3000)}`;\n\ntry {\n  const r = await httpPost(`${$env.GPU_OLLAMA_URL}/api/generate`,\n    { model: 'id-9b:latest', system: '/no_think', prompt, stream: false, format: 'json', think: false },\n    { timeout: 15000 }\n  );\n  const cls = JSON.parse(r.response);\n  return [{ json: { ...item, summary: cls.summary || item.subject, label: cls.label || '알림', has_events: cls.has_events || false, has_tasks: cls.has_tasks || false } }];\n} catch(e) {\n  return [{ json: { ...item, summary: item.subject, label: '알림', has_events: false, has_tasks: false } }];\n}"
      },
      "id": "m1000001-0000-0000-0000-000000000003",
      "name": "Summarize & Classify",
      "type": "n8n-nodes-base.code",
      "typeVersion": 1,
      "position": [
        880,
        300
      ]
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "=INSERT INTO mail_logs (from_address,subject,summary,label,has_events,has_tasks,mail_date,message_id) VALUES ('{{ ($json.from||'').replace(/'/g,\"''\").substring(0,255) }}','{{ ($json.subject||'').replace(/'/g,\"''\").substring(0,500) }}','{{ ($json.summary||'').replace(/'/g,\"''\").substring(0,2000) }}','{{ $json.label }}',{{ $json.has_events }},{{ $json.has_tasks }},'{{ $json.mailDate }}','{{ ($json.messageId||'').replace(/'/g,\"''\").substring(0,500) }}') ON CONFLICT (message_id) DO NOTHING",
        "options": {}
      },
      "id": "m1000001-0000-0000-0000-000000000004",
      "name": "Save to mail_logs",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 2.5,
      "position": [
        1100,
        300
      ],
      "credentials": {
        "postgres": {
          "id": "KaxU8iKtraFfsrTF",
          "name": "bot-postgres"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "function httpPost(url, body, { timeout = 15000, headers = {} } = {}) {\n  return new Promise((resolve, reject) => {\n    const data = JSON.stringify(body);\n    const u = require('url').parse(url);\n    const mod = require(u.protocol === 'https:' ? 'https' : 'http');\n    const req = mod.request({\n      hostname: u.hostname, port: u.port, path: u.path,\n      method: 'POST',\n      headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(data), ...headers }\n    }, (res) => {\n      let body = '';\n      res.on('data', c => body += c);\n      res.on('end', () => {\n        if (res.statusCode >= 400) return reject(new Error(url + ' \\u2192 ' + res.statusCode + ': ' + body.slice(0, 200)));\n        try { resolve(JSON.parse(body)); } catch(e) { reject(new Error('JSON parse error: ' + body.slice(0, 200))); }\n      });\n    });\n    req.on('error', reject);\n    req.setTimeout(timeout, () => { req.destroy(); reject(new Error(url + ' \\u2192 timeout after ' + timeout + 'ms')); });\n    req.write(data);\n    req.end();\n  });\n}\n\nfunction httpPut(url, body, { timeout = 10000, headers = {} } = {}) {\n  return new Promise((resolve, reject) => {\n    const data = JSON.stringify(body);\n    const u = require('url').parse(url);\n    const mod = require(u.protocol === 'https:' ? 'https' : 'http');\n    const req = mod.request({\n      hostname: u.hostname, port: u.port, path: u.path,\n      method: 'PUT',\n      headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(data), ...headers }\n    }, (res) => {\n      let body = '';\n      res.on('data', c => body += c);\n      res.on('end', () => {\n        if (res.statusCode >= 400) return reject(new Error(url + ' \\u2192 ' + res.statusCode + ': ' + body.slice(0, 200)));\n        try { resolve(JSON.parse(body)); } catch(e) { reject(new Error('JSON parse error: ' + body.slice(0, 200))); }\n      });\n    });\n    req.on('error', reject);\n    req.setTimeout(timeout, () => { req.destroy(); reject(new Error(url + ' \\u2192 timeout after ' + timeout + 'ms')); });\n    req.write(data);\n    req.end();\n  });\n}\n\nconst item = $input.first().json;\nconst embText = `${item.subject} ${item.summary}`;\n\ntry {\n  const emb = await httpPost(`${$env.LOCAL_OLLAMA_URL}/api/embeddings`, { model: 'bge-m3', prompt: embText });\n  if (emb.embedding) {\n    const qdrantUrl = $env.QDRANT_URL || 'http://host.docker.internal:6333';\n    await httpPut(`${qdrantUrl}/collections/documents/points`, { points: [{ id: Date.now(), vector: emb.embedding, payload: {\n      text: embText, source: 'mail', from_address: item.from,\n      mail_date: item.mailDate, label: item.label,\n      created_at: new Date().toISOString()\n    }}]});\n  }\n} catch(e) {}\n\n// KB 저장 (graceful)\ntry {\n  const kbUrl = $env.KB_WRITER_URL || 'http://host.docker.internal:8095';\n  await httpPost(`${kbUrl}/save`, {\n    title: item.subject, content: item.summary,\n    type: 'note', tags: ['mail', item.label],\n    username: 'mail-pipeline', source: 'mailplus', topic: item.label || 'mail'\n  }, { timeout: 5000 });\n} catch(e) {}\n\nreturn [{ json: { ...item, embedded: true } }];"
      },
      "id": "m1000001-0000-0000-0000-000000000005",
      "name": "Embed & Save",
      "type": "n8n-nodes-base.code",
      "typeVersion": 1,
      "position": [
        1320,
        300
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "important-check",
              "leftValue": "={{ $json.label }}",
              "rightValue": "업무",
              "operator": {
                "type": "string",
                "operation": "equals"
              }
            },
            {
              "id": "tasks-check",
              "leftValue": "={{ $json.has_tasks }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "true"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "m1000001-0000-0000-0000-000000000006",
      "name": "Is Important?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [
        1540,
        300
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "={{ $env.SYNOLOGY_CHAT_WEBHOOK_URL }}",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={ \"text\": {{ JSON.stringify('[메일 알림] ' + $json.from + ': ' + $json.subject + '\\n' + $json.summary) }} }",
        "options": {
          "timeout": 10000
        }
      },
      "id": "m1000001-0000-0000-0000-000000000007",
      "name": "Notify Chat",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1760,
        200
      ]
    }
  ],
  "connections": {
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Fetch Mails",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch Mails": {
      "main": [
        [
          {
            "node": "Get Existing IDs",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Existing IDs": {
      "main": [
        [
          {
            "node": "Parse & Filter New",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Parse & Filter New": {
      "main": [
        [
          {
            "node": "Summarize & Classify",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Summarize & Classify": {
      "main": [
        [
          {
            "node": "Save to mail_logs",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Save to mail_logs": {
      "main": [
        [
          {
            "node": "Embed & Save",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Embed & Save": {
      "main": [
        [
          {
            "node": "Is Important?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Is Important?": {
      "main": [
        [
          {
            "node": "Notify Chat",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}