{
  "$schema": "https://json-schema.org/draft/2020-12",
  "$id": "https://api-evangelist.github.io/rely/json-schema/rely-blueprint-schema.json",
  "title": "Rely.io Blueprint",
  "description": "A blueprint schema defining the structure and attributes of a catalog entity type in Rely.io",
  "type": "object",
  "required": ["id", "name"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Globally unique blueprint identifier",
      "pattern": "^[a-z][a-z0-9-_]*$"
    },
    "name": {
      "type": "string",
      "description": "User-friendly display name for the blueprint"
    },
    "description": {
      "type": ["string", "null"],
      "description": "Optional overview of what this blueprint represents"
    },
    "properties": {
      "type": "object",
      "description": "Schema definitions for properties of entities of this type",
      "additionalProperties": {
        "$ref": "#/$defs/BlueprintProperty"
      }
    },
    "relations": {
      "type": "object",
      "description": "Relation definitions linking this blueprint to other blueprint types",
      "additionalProperties": {
        "$ref": "#/$defs/BlueprintRelation"
      }
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "Blueprint creation timestamp"
    },
    "updatedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Blueprint last update timestamp"
    }
  },
  "$defs": {
    "BlueprintProperty": {
      "type": "object",
      "description": "A property definition within a blueprint schema",
      "required": ["title", "type"],
      "properties": {
        "title": {
          "type": "string",
          "description": "Display name for the property"
        },
        "type": {
          "type": "string",
          "enum": ["string", "integer", "number", "boolean", "array", "object"],
          "description": "JSON Schema data type"
        },
        "description": {
          "type": "string",
          "description": "Description of the property's purpose"
        },
        "format": {
          "type": "string",
          "description": "JSON Schema format (date-time, uri, email, etc.)"
        },
        "enum": {
          "type": "array",
          "description": "Allowed values for enum properties"
        },
        "required": {
          "type": "boolean",
          "description": "Whether this property is required on entities"
        }
      }
    },
    "BlueprintRelation": {
      "type": "object",
      "description": "A relation linking this blueprint to another blueprint type",
      "required": ["title", "target"],
      "properties": {
        "title": {
          "type": "string",
          "description": "Display name for the relation"
        },
        "target": {
          "type": "string",
          "description": "Target blueprint identifier"
        },
        "many": {
          "type": "boolean",
          "description": "Whether this is a one-to-many relation",
          "default": false
        },
        "description": {
          "type": "string",
          "description": "Description of the relation"
        }
      }
    }
  }
}