{
    "@schema": "https://json-schema.org/draft/2020-12/schema",
    "@id": "https://apparebit.com/schema/shantay-metadata.json",
    "type": "object",
    "properties": {
        "@schema": {"const": "https://apparebit.com/schema/shantay-metadata.json"},
        "config": {
            "type": "object",
            "properties": {
                "stem": {"type": "string"},
                "filter": {"$ref": "#/$defs/filter"}
            },
            "required": ["stem", "filter"]
        },
        "releases": {
            "type": "object",
            "propertyNames": {"format": "date"},
            "additionalPropeties": {
                "type": "object",
                "properties": {
                    "batch_count": {"type": "integer"},
                    "total_rows": {"type": "integer"},
                    "total_rows_with_keywords": {"type": "integer"},
                    "extract_rows": {"type": "integer"},
                    "extract_rows_with_keywords": {"type": "integer"},
                    "sha256": {
                        "type": "string",
                        "pattern": "^[0-9a-fA-F]{64}$"
                    }
                },
                "required": ["batch_count", "total_rows", "total_rows_with_keywords"]
            }
        }
    },
    "required": ["@schema", "config", "releases"],
    "$defs": {
        "filter": {
            "oneOf": [
                {"type": "null"},
                {
                    "type": "object",
                    "properties": {
                        "kind": {"enum": ["category", "platform", "expression"]},
                        "criterion": {}
                    },
                    "if": {
                        "properties": {
                            "kind": {"const": "platform"}
                        }
                    },
                    "then": {
                        "properties": {
                            "criterion": {
                                "type": "array",
                                "items": {"type": "string"}
                            }
                        }
                    },
                    "else": {
                        "properties": {
                            "criterion": {
                                "type": "string"
                            }
                        }
                    },
                    "required": ["kind", "criterion"]
                }
            ]
        }
    }
}