{
    "$schema": "http://json-schema.org/draft-07/schema",
    "$id": "https://github.com/YunoHost/apps/blob/master/schemas/categories.toml.schema.json",
    "title": "Yunohost's categories.toml schema",
    "version": "0",

    "$defs": {
        "translated_string": {
            "type": "object",
            "required": ["en"],
            "additionalProperties": false,
            "patternProperties": {
                "^[a-z]{2}$": {
                    "type": "string"
                }
            }
        }
    },

    "type": "object",
    "required": [],
    "additionalProperties": false,
    "patternProperties": {
        "^[a-z0-9_-]*$": {
            "type": "object",
            "required": ["icon", "title", "description"],
            "additionalProperties": false,
            "properties": {
                "icon": {
                    "type": "string"
                },
                "title": { "$ref": "#/$defs/translated_string" },
                "description": { "$ref": "#/$defs/translated_string" },
                "subtags": {
                    "type": "object",
                    "additionalProperties": false,
                    "patternProperties": {
                        "^[a-z_]*$": {
                            "type": "object",
                            "required": ["title"],
                            "additionalProperties": false,
                            "properties": {
                                "title": { "$ref": "#/$defs/translated_string" }
                            }
                        }
                    }
                }
            }
        }
    }

}