{
  "document": {
    "dsl": "1.0.0",
    "name": "Workflow",
    "version": "0.0.1",
    "namespace": "default",
    "metadata": {
      "variables": {
        "schema": {
          "format": "json",
          "document": {
            "type": "object",
            "properties": {
              "iteration": { "type": "number", "default": 0 },
              "current": { "type": "number", "default": 1 },
              "previous": { "type": "number", "default": 0 },
              "sum": { "type": "number", "default": 0 }
            },
            "title": "Variables"
          }
        }
      }
    }
  },
  "input": {
    "schema": {
      "format": "json",
      "document": {
        "type": "object",
        "properties": {
          "termCount": { "type": "number" }
        },
        "title": "Inputs"
      }
    }
  },
  "output": {
    "schema": {
      "format": "json",
      "document": {
        "type": "object",
        "properties": {
          "lastTerm": { "type": "number" },
          "iterationsRun": { "type": "number" },
          "fibSum": { "type": "number" },
          "classified": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "index": { "type": "number" },
                "value": { "type": "number" },
                "parity": { "type": "string" }
              }
            }
          }
        },
        "title": "Outputs"
      }
    }
  },
  "do": [
    {
      "Sequence_1": {
        "do": [
          {
            "WorkflowStart": {
              "set": "${Object.entries($workflow.definition?.document?.metadata?.variables?.schema?.document?.properties || {}).reduce((acc, [name, def]) => ({ ...acc, [name]: def?.default }), {}) }",
              "output": { "as": "${$input}" },
              "export": { "as": "{ ...$context, variables: { ...$context.variables, ...$output } }" },
              "metadata": { "activityType": "Assign", "displayName": "Workflow start", "fullName": "Assign", "isTransparent": true }
            }
          },
          {
            "Do_While_1": {
              "for": { "in": "${ [1] }" },
              "doWhile": "${$context.variables.iteration < $workflow.input.termCount}",
              "do": [
                {
                  "Do_While_1#Body": {
                    "do": [
                      {
                        "Javascript_1": {
                          "run": {
                            "script": {
                              "language": "javascript",
                              "code": "const next = $context.variables.iteration === 0 ? 1 : ($context.variables.current + $context.variables.previous); return { next: next, prev: $context.variables.current };",
                              "arguments": "${{ \"$context\": $context, \"$workflow\": $workflow, \"$input\": $input }}"
                            }
                          },
                          "export": { "as": "{ ...$context, outputs: { ...$context?.outputs, \"Javascript_1\": $output } }" },
                          "metadata": { "activityType": "JsInvoke", "displayName": "Compute Next Fib", "fullName": "JsInvoke" }
                        }
                      },
                      {
                        "Assign_Previous": {
                          "set": { "previous": "${$context.outputs.Javascript_1.prev}" },
                          "export": { "as": "{ ...$context, variables: { ...$context.variables, ...$output } }" },
                          "metadata": { "activityType": "Assign", "displayName": "Update Previous", "fullName": "Assign", "isTransparent": false }
                        }
                      },
                      {
                        "Assign_Current": {
                          "set": { "current": "${$context.outputs.Javascript_1.next}" },
                          "export": { "as": "{ ...$context, variables: { ...$context.variables, ...$output } }" },
                          "metadata": { "activityType": "Assign", "displayName": "Update Current", "fullName": "Assign", "isTransparent": false }
                        }
                      },
                      {
                        "Assign_Sum": {
                          "set": { "sum": "${$context.variables.sum + $context.outputs.Javascript_1.next}" },
                          "export": { "as": "{ ...$context, variables: { ...$context.variables, ...$output } }" },
                          "metadata": { "activityType": "Assign", "displayName": "Add To Sum", "fullName": "Assign", "isTransparent": false }
                        }
                      },
                      {
                        "Assign_Iteration": {
                          "set": { "iteration": "${$context.variables.iteration + 1}" },
                          "export": { "as": "{ ...$context, variables: { ...$context.variables, ...$output } }" },
                          "metadata": { "activityType": "Assign", "displayName": "Increment Iteration", "fullName": "Assign", "isTransparent": false }
                        }
                      }
                    ],
                    "export": {
                      "as": "{ ...$context, outputs: { ...$context?.outputs, \"Do_While_1\": { ...$context?.outputs?.Do_While_1, results: [ ...($context?.outputs?.Do_While_1?.results ?? []), ...([$output] ?? []) ] } } }"
                    }
                  }
                }
              ],
              "output": { "as": "${$context.outputs.Do_While_1}" },
              "metadata": { "activityType": "DoWhile", "displayName": "Generate Fibonacci Series", "fullName": "DoWhile" }
            }
          },
          {
            "For_Each_1": {
              "for": {
                "each": "term",
                "in": "${$context.outputs.Do_While_1.results ?? []}",
                "at": "termIndex"
              },
              "do": [
                {
                  "For_Each_1#Body": {
                    "do": [
                      {
                        "Javascript_2": {
                          "run": {
                            "script": {
                              "language": "javascript",
                              "code": "return { index: $termIndex, value: $term, parity: $term % 2 === 0 ? 'even' : 'odd' };",
                              "arguments": "${{ \"$context\": $context, \"$workflow\": $workflow, \"$input\": $input }}"
                            }
                          },
                          "export": { "as": "{ ...$context, outputs: { ...$context?.outputs, \"Javascript_2\": $output } }" },
                          "metadata": { "activityType": "JsInvoke", "displayName": "Classify Term", "fullName": "JsInvoke" }
                        }
                      }
                    ],
                    "export": {
                      "as": "{ ...$context, outputs: { ...$context?.outputs, \"For_Each_1\": { ...$context?.outputs?.For_Each_1, results: [ ...($termIndex == 0 ? [] : ($context?.outputs?.For_Each_1?.results ?? [])), ...([$output] ?? []) ] } } }"
                    }
                  }
                }
              ],
              "output": { "as": "${$context.outputs.For_Each_1}" },
              "metadata": { "activityType": "ForEach", "displayName": "Classify Each Term", "fullName": "ForEach" }
            }
          },
          {
            "Response_1": {
              "response": "${{ lastTerm: $context.variables.current, iterationsRun: $context.variables.iteration, fibSum: $context.variables.sum, classified: $context.outputs.For_Each_1.results }}",
              "markJobAsFailed": false,
              "then": "end",
              "export": { "as": "{ ...$context, outputs: { ...$context?.outputs, \"Response_1\": $output } }" },
              "metadata": { "activityType": "Response", "displayName": "Response", "fullName": "Response" }
            }
          }
        ],
        "metadata": { "activityType": "Sequence", "displayName": "Sequence", "fullName": "Sequence" }
      }
    }
  ],
  "evaluate": { "mode": "strict", "language": "javascript" }
}