{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/signnow/main/json-schema/signnow-document-schema.json",
  "title": "SignNow Document",
  "description": "Schema for a SignNow document resource, including signing status, fields, and invitation details.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique document identifier."
    },
    "document_name": {
      "type": "string",
      "description": "Name of the document."
    },
    "created": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 creation timestamp."
    },
    "updated": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 last update timestamp."
    },
    "user_id": {
      "type": "string",
      "description": "ID of the document owner."
    },
    "origin_document_id": {
      "type": "string",
      "description": "Source template ID if created from a template."
    },
    "page_count": {
      "type": "integer",
      "minimum": 1,
      "description": "Number of pages in the document."
    },
    "fieldinvite_status": {
      "type": "string",
      "enum": ["pending", "fulfilled", "declined", "expired"],
      "description": "Overall signature invite status."
    },
    "signing_session_caching": {
      "type": "boolean",
      "description": "Whether signing session caching is enabled."
    },
    "roles": {
      "type": "array",
      "description": "Signing roles defined for this document.",
      "items": {
        "type": "object",
        "properties": {
          "unique_id": {
            "type": "string"
          },
          "name": {
            "type": "string",
            "description": "Role name (e.g., Signer, Approver)."
          },
          "signing_order": {
            "type": "integer",
            "minimum": 1
          }
        }
      }
    },
    "fields": {
      "type": "array",
      "description": "Form fields embedded in the document.",
      "items": {
        "$ref": "#/$defs/Field"
      }
    },
    "requests": {
      "type": "array",
      "description": "Pending signature invitation requests.",
      "items": {
        "$ref": "#/$defs/SigningRequest"
      }
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Organizational tags applied to this document."
    }
  },
  "required": ["id", "document_name"],
  "$defs": {
    "Field": {
      "type": "object",
      "description": "A form field within the document.",
      "properties": {
        "type": {
          "type": "string",
          "enum": ["signature", "initials", "text", "date", "checkbox", "dropdown", "radiobutton"],
          "description": "Field type."
        },
        "x": {
          "type": "number",
          "description": "X coordinate position on page."
        },
        "y": {
          "type": "number",
          "description": "Y coordinate position on page."
        },
        "width": {
          "type": "number",
          "minimum": 0
        },
        "height": {
          "type": "number",
          "minimum": 0
        },
        "page_number": {
          "type": "integer",
          "minimum": 0,
          "description": "Zero-indexed page number."
        },
        "role_id": {
          "type": "string",
          "description": "Signing role assigned to fill this field."
        },
        "required": {
          "type": "boolean"
        },
        "label": {
          "type": "string",
          "description": "Human-readable field label."
        }
      },
      "required": ["type", "page_number"]
    },
    "SigningRequest": {
      "type": "object",
      "description": "A pending or completed signature request.",
      "properties": {
        "id": {
          "type": "string"
        },
        "signer_email": {
          "type": "string",
          "format": "email"
        },
        "status": {
          "type": "string",
          "enum": ["pending", "fulfilled", "declined", "expired"]
        },
        "created": {
          "type": "string",
          "format": "date-time"
        },
        "updated": {
          "type": "string",
          "format": "date-time"
        }
      },
      "required": ["id", "signer_email", "status"]
    }
  }
}