{
    "$schema": "http://json-schema.org/draft-07/schema",
    "$id": "https://burrito.bible/schema/relationship.schema.json",
    "$$target": "relationship.schema.json",
    "title": "Relationship",
    "type": "object",
    "description": "Describes a relationship to a different burrito that can be obtained from an indicated server.",
    "properties": {
        "relationType": {
            "type": "string",
            "enum": ["source", "target", "expression", "parascriptural", "peripheral"],
            "minLength": 1
        },
        "flavor": {
            "type": "string",
            "oneOf": [
                {
                    "enum": [
                        "textTranslation",
                        "audioTranslation",
                        "typesetScripture",
                        "signLanguageVideoTranslation",
                        "embossedBrailleScripture",
                        "glossedTextStory"
                    ]
                },
                {
                    "pattern": "^x-[a-z][A-za-z0-9]*$"
                }
            ],
            "minLength": 1
        },
        "id": {
            "$ref": "common.schema.json#/definitions/prefixedId"
        },
        "revision": {
            "$ref": "common.schema.json#/definitions/revisionString"
        },
        "variant": {
            "type": "string",
            "pattern": "^[A-Za-z][A-Za-z0-9_\\-]{0,31}$"
        }
    },
    "required": ["relationType", "flavor", "id"],
    "additionalProperties": false,
    "oneOf": [
        {
            "properties": {
                "flavor": {
                    "type": "string",
                    "pattern": "^x-[a-z][A-za-z0-9]*$"
                }
            },
            "$comment": "Custom flavors can be used with any relationType."
        },
        {
            "properties": {
                "relationType": {
                    "const": "source"
                },
                "flavor": {
                    "enum": ["textTranslation", "audioTranslation"]
                }
            }
        },
        {
            "properties": {
                "relationType": {
                    "const": "target"
                },
                "flavor": {}
            }
        },
        {
            "properties": {
                "relationType": {
                    "const": "expression"
                },
                "flavor": {
                    "not": {
                        "const": "scriptureText"
                    }
                }
            }
        }
    ]
}