{
  "nodes": [
    {
      "name": "Typeform Trigger",
      "type": "n8n-nodes-base.typeformTrigger",
      "position": [
        100,
        260
      ],
      "parameters": {
        "formId": "YOUR_TYPEFORM_FORM_ID",
        "simplifyAnswers": false,
        "onlyAnswers": false
      },
      "typeVersion": 1,
      "id": "negative-event-feedback-to-mattermost-native-0"
    },
    {
      "id": "negative-event-feedback-to-mattermost-feedback",
      "name": "Read the event feedback answer",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        320,
        260
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "function typeformEventFeedback({ response, questionTitle }) {\n  if (!response || !Array.isArray(response.answers) || !Array.isArray(response.definition?.fields)) throw new Error('Expected a complete Typeform response');\n  if (typeof questionTitle !== 'string' || !questionTitle.trim()) throw new Error('Configure the feedback question title');\n  const fields = response.definition.fields.filter(field => field?.title === questionTitle);\n  if (fields.length !== 1 || typeof fields[0].id !== 'string' || !fields[0].id || response.definition.fields.filter(field => field?.id === fields[0].id).length !== 1) throw new Error('The feedback question title must identify one field');\n  const answers = response.answers.filter(answer => answer?.field?.id === fields[0].id);\n  if (answers.length !== 1 || answers[0].type !== 'text' || typeof answers[0].text !== 'string' || !answers[0].text.trim()) throw new Error('One nonblank text feedback answer is required');\n  return { feedback: answers[0].text };\n}\n\nreturn $input.all().flatMap((item, index) => item.json.event_type === \"form_response\" ? [{ json: typeformEventFeedback({ response: item.json.form_response, questionTitle: \"What did you think about the event?\" }), pairedItem: { item: index } }] : []);"
      }
    },
    {
      "name": "AWS Comprehend",
      "type": "n8n-nodes-base.awsComprehend",
      "position": [
        540,
        260
      ],
      "parameters": {
        "authentication": "iam",
        "resource": "text",
        "operation": "detectSentiment",
        "languageCode": "en",
        "text": "={{$json.feedback}}"
      },
      "typeVersion": 1,
      "id": "negative-event-feedback-to-mattermost-native-2"
    },
    {
      "id": "negative-event-feedback-to-mattermost-decision",
      "name": "Check the returned sentiment",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        760,
        260
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function comprehendFeedbackDecision({ assessment, feedback }) {\n  if (!assessment || typeof assessment !== 'object' || Array.isArray(assessment) || !['POSITIVE', 'NEGATIVE', 'NEUTRAL', 'MIXED'].includes(assessment.Sentiment)) throw new Error('Comprehend did not return a valid sentiment');\n  for (const name of ['Positive', 'Negative', 'Neutral', 'Mixed']) {\n    const score = assessment.SentimentScore?.[name];\n    if (typeof score !== 'number' || !Number.isFinite(score) || score < 0 || score > 1) throw new Error('Comprehend did not return a valid ' + name + ' confidence');\n  }\n  if (typeof feedback !== 'string' || !feedback.trim()) throw new Error('Original feedback text is missing');\n  return { assessment, negative: assessment.Sentiment === 'NEGATIVE', message: 'You got new feedback with a score of ' + assessment.SentimentScore.Negative + '. Here is what it says:' + feedback };\n}\n\nreturn { json: comprehendFeedbackDecision({ assessment: $json, feedback: $(\"Read the event feedback answer\").first().json.feedback }) };"
      }
    },
    {
      "name": "Notify for negative feedback",
      "type": "n8n-nodes-base.if",
      "position": [
        980,
        260
      ],
      "parameters": {
        "conditions": {
          "boolean": [
            {
              "value1": "={{$json.negative}}",
              "operation": "equal",
              "value2": true
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "negative-event-feedback-to-mattermost-native-4"
    },
    {
      "name": "Post the negative feedback",
      "type": "n8n-nodes-base.mattermost",
      "position": [
        1200,
        150
      ],
      "parameters": {
        "resource": "message",
        "operation": "post",
        "channelId": "YOUR_MATTERMOST_CHANNEL_ID",
        "message": "={{$json.message}}",
        "attachments": [],
        "otherOptions": {}
      },
      "typeVersion": 1,
      "id": "negative-event-feedback-to-mattermost-native-5"
    },
    {
      "id": "negative-event-feedback-to-mattermost-posted",
      "name": "Confirm the feedback post",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1420,
        150
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function mattermostFeedbackPosted({ post, assessment }) {\n  if (!post || typeof post !== 'object' || Array.isArray(post) || typeof post.id !== 'string' || !post.id.trim()) throw new Error('Mattermost did not return a saved post ID');\n  return { posted: true, assessment, post };\n}\n\nreturn { json: mattermostFeedbackPosted({ post: $json, assessment: $(\"Check the returned sentiment\").first().json.assessment }) };"
      }
    },
    {
      "id": "negative-event-feedback-to-mattermost-skip",
      "name": "Keep nonnegative feedback silent",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1200,
        380
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function negativeFeedbackSkipped({ assessment }) {\n  return { posted: false, assessment, post: null };\n}\n\nreturn { json: negativeFeedbackSkipped({ assessment: $json.assessment }) };"
      }
    }
  ],
  "connections": {
    "Typeform Trigger": {
      "main": [
        [
          {
            "node": "Read the event feedback answer",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read the event feedback answer": {
      "main": [
        [
          {
            "node": "AWS Comprehend",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AWS Comprehend": {
      "main": [
        [
          {
            "node": "Check the returned sentiment",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check the returned sentiment": {
      "main": [
        [
          {
            "node": "Notify for negative feedback",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Notify for negative feedback": {
      "main": [
        [
          {
            "node": "Post the negative feedback",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Keep nonnegative feedback silent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Post the negative feedback": {
      "main": [
        [
          {
            "node": "Confirm the feedback post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "name": "Negative Event Feedback to Mattermost",
  "settings": {
    "executionOrder": "v1"
  },
  "active": false,
  "pinData": {}
}