{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://squillo.io/schemas/workflow",
  "title": "Squillo Workflow",
  "description": "A workflow automation definition in the Squillo SaaU platform",
  "type": "object",
  "required": ["id", "name", "status"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique workflow identifier"
    },
    "name": {
      "type": "string",
      "description": "Human-readable workflow name",
      "minLength": 1,
      "maxLength": 200
    },
    "description": {
      "type": "string",
      "description": "Optional workflow description"
    },
    "status": {
      "type": "string",
      "enum": ["active", "inactive", "draft"],
      "description": "Current workflow status"
    },
    "createdAt": {
      "type": "string",
      "format": "date-time"
    },
    "updatedAt": {
      "type": "string",
      "format": "date-time"
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "trigger": {
      "$ref": "#/$defs/Trigger"
    },
    "steps": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/WorkflowStep"
      }
    }
  },
  "$defs": {
    "Trigger": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "enum": ["webhook", "schedule", "manual", "event"],
          "description": "Trigger type"
        },
        "config": {
          "type": "object",
          "description": "Trigger-specific configuration (cron expression, webhook URL, etc.)"
        }
      },
      "required": ["type"]
    },
    "WorkflowStep": {
      "type": "object",
      "required": ["id", "name", "type"],
      "properties": {
        "id": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "type": {
          "type": "string",
          "enum": ["action", "condition", "loop", "delay", "transform"]
        },
        "connectorId": {
          "type": "string",
          "description": "ID of the connector used by this step"
        },
        "action": {
          "type": "string",
          "description": "Connector action to perform"
        },
        "inputMapping": {
          "type": "object",
          "description": "Input field mappings from previous step outputs"
        },
        "outputMapping": {
          "type": "object",
          "description": "Output field mappings for downstream steps"
        }
      }
    },
    "Execution": {
      "type": "object",
      "required": ["id", "workflowId", "status"],
      "properties": {
        "id": {
          "type": "string"
        },
        "workflowId": {
          "type": "string"
        },
        "status": {
          "type": "string",
          "enum": ["running", "success", "failed", "cancelled"]
        },
        "startedAt": {
          "type": "string",
          "format": "date-time"
        },
        "completedAt": {
          "type": ["string", "null"],
          "format": "date-time"
        },
        "triggeredBy": {
          "type": "string",
          "enum": ["manual", "schedule", "webhook", "event"]
        }
      }
    }
  }
}