{
  "name": "SMB · Renewal Reminder",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 8 * * *"
            }
          ]
        }
      },
      "id": "41b1500b-ece3-44ea-b192-363a998c1247",
      "name": "Daily 08:00",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "url": "http://smb-crm:8080/api/clients",
        "options": {}
      },
      "id": "f06a60af-dff1-415d-aca6-fef0367f3553",
      "name": "Read Clients (DB)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        460,
        300
      ],
      "retryOnFail": true,
      "maxTries": 4,
      "waitBetweenTries": 3000
    },
    {
      "parameters": {
        "jsCode": "\nconst rows = $input.first().json.rows || [];\nconst today=new Date();\nconst t0=Date.UTC(today.getUTCFullYear(),today.getUTCMonth(),today.getUTCDate());\nfunction parseDate(v){\n  if(v==null||v==='') return null;\n  const s=String(v).trim();\n  const m=s.match(/^(\\d{4})-(\\d{2})-(\\d{2})/);\n  if(m) return Date.UTC(+m[1],+m[2]-1,+m[3]);\n  const d=Date.parse(s); return isNaN(d)?null:d;\n}\nconst offsets=[14,7,3,1,0];\nconst due=[];\nfor(const r of rows){\n  const status=String(r.status||'').toLowerCase();\n  if(status!=='active') continue;\n  const rd=parseDate(r.renewal_date);\n  if(rd==null) continue;\n  const days=Math.round((rd-t0)/86400000);\n  if(days<0 || offsets.includes(days)){\n    due.push({client_id:r.client_id, business:r.business_name, renewal_date:r.renewal_date,\n              days, fee:r.monthly_fee_eur, cycle:r.billing_cycle});\n  }\n}\nif(due.length===0) return [];\ndue.sort((a,b)=>a.days-b.days);\nconst line=d=>`• ${d.business||d.client_id} — ${d.days<0?('ÜBERFÄLLIG seit '+(-d.days)+'T'):(d.days===0?'heute':('in '+d.days+'T'))} (${d.renewal_date}${d.fee?(', '+d.fee+'€/'+(d.cycle||'')):''})`;\nconst summary='🔔 Anstehende Verlängerungen ('+due.length+')\\n'+due.map(line).join('\\n');\nreturn [{json:{count:due.length, summary, due}}];\n"
      },
      "id": "9f3e4ca9-0d87-4d1c-9f5e-abdf5f9f77dd",
      "name": "Find due renewals",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        680,
        300
      ]
    },
    {
      "parameters": {
        "resource": "message",
        "operation": "sendMessage",
        "chatId": "5499280257",
        "text": "={{ $json.summary }}",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "id": "807748ee-311e-4b18-bae1-ae339068a04f",
      "name": "Notify Telegram",
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [
        900,
        300
      ],
      "credentials": {
        "telegramApi": {
          "id": "d9s4Ec5ocEH8FAxh",
          "name": "SMB Telegram (leads bot)"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "const r=$('Find due renewals').first().json;\nconst now=new Date().toISOString().replace('T',' ').slice(0,16);\nreturn [{json:{ts:now, workflow:'renewal-reminder', client_id:'',\n action:'renewals due: '+r.count,\n detail:r.due.map(d=>d.client_id+'('+d.days+'T)').join(', '), result:'ok'}}];"
      },
      "id": "c6a1792f-1866-4b1a-aa74-e1f346d80a97",
      "name": "Build activity",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1120,
        300
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "http://smb-crm:8080/api/activity_log",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "X-CRM-Token",
              "value": "__CRM_TOKEN__"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify($json) }}",
        "options": {}
      },
      "id": "55978962-489b-4740-a242-7470f08087b6",
      "name": "Append to Activity Log (DB)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1340,
        300
      ],
      "retryOnFail": true,
      "maxTries": 4,
      "waitBetweenTries": 3000
    }
  ],
  "connections": {
    "Daily 08:00": {
      "main": [
        [
          {
            "node": "Read Clients (DB)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read Clients (DB)": {
      "main": [
        [
          {
            "node": "Find due renewals",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Find due renewals": {
      "main": [
        [
          {
            "node": "Notify Telegram",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Notify Telegram": {
      "main": [
        [
          {
            "node": "Build activity",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build activity": {
      "main": [
        [
          {
            "node": "Append to Activity Log (DB)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "callerPolicy": "workflowsFromSameOwner",
    "availableInMCP": false
  }
}