{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$ref": "#/definitions/root",
    "title": "Eva Design System Customization Configuration",
    "definitions": {
        "root": {
            "type": "object",
            "required": [
                "$schema",
                "components"
            ],
            "properties": {
                "$schema": {
                    "type": "string"
                },
                "components": {
                    "$ref": "#/definitions/components"
                }
            }
        },
        "components": {
            "propertyNames": {
                "pattern": "[A-Z][a-zA-Z]*"
            },
            "additionalProperties": {
                "$ref": "#/definitions/control"
            }
        },
        "control": {
            "description": "UI Component",
            "type": "object",
            "required": [
                "meta",
                "appearances"
            ],
            "properties": {
                "meta": {
                    "type": "object",
                    "required": [
                        "scope",
                        "parameters",
                        "appearances",
                        "variantGroups",
                        "states"
                    ],
                    "properties": {
                        "scope": {
                            "$ref": "#/definitions/scope"
                        },
                        "parameters": {
                            "type": "object",
                            "propertyNames": {
                                "pattern": "^[a-z][a-zA-Z]*"
                            },
                            "additionalProperties": {
                                "$ref": "#/definitions/parameterMeta"
                            }
                        },
                        "appearances": {
                            "type": "object",
                            "propertyNames": {
                                "pattern": "^[a-z][a-zA-Z]*"
                            },
                            "additionalProperties": {
                                "$ref": "#/definitions/appearanceMeta"
                            }
                        },
                        "variantGroups": {
                            "type": "object",
                            "propertyNames": {
                                "pattern": "^[a-z][a-zA-Z]*"
                            },
                            "additionalProperties": {
                                "type": "object",
                                "propertyNames": {
                                    "pattern": "^[a-z][a-zA-Z0-9]*"
                                },
                                "minProperties": 1,
                                "additionalProperties": {
                                    "$ref": "#/definitions/variantMeta"
                                }
                            }
                        },
                        "states": {
                            "type": "object",
                            "propertyNames": {
                                "pattern": "^[a-z][.a-z]*"
                            },
                            "additionalProperties": {
                                "$ref": "#/definitions/stateMeta"
                            }
                        }
                    },
                    "additionalProperties": false
                },
                "appearances": {
                    "type": "object",
                    "propertyNames": {
                        "pattern": "^[a-z][a-zA-Z]*"
                    },
                    "minProperties": 1,
                    "additionalProperties": {
                        "$ref": "#/definitions/appearance"
                    }
                }
            },
            "additionalProperties": false
        },
        "appearanceMeta": {
            "required": [
                "default"
            ],
            "type": "object",
            "properties": {
                "default": {
                    "type": "boolean"
                }
            },
            "additionalProperties": false
        },
        "variantMeta": {
            "type": "object",
            "required": [
                "default"
            ],
            "properties": {
                "default": {
                    "type": "boolean"
                }
            },
            "additionalProperties": false
        },
        "stateMeta": {
            "type": "object",
            "required": [
                "default",
                "priority",
                "scope"
            ],
            "properties": {
                "default": {
                    "type": "boolean"
                },
                "priority": {
                    "type": "number",
                    "minimum": 0
                },
                "scope": {
                    "$ref": "#/definitions/scope"
                }
            }
        },
        "parameterMeta": {
            "type": "object",
            "required": [
                "type"
            ],
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "number",
                        "string"
                    ]
                }
            },
            "additionalProperties": false
        },
        "scope": {
            "description": "Platform where control is used. Also can be applied to particular state of control",
            "type": "string",
            "enum": [
                "all",
                "mobile",
                "web"
            ]
        },
        "appearance": {
            "description": "Set of mappings that define at the high level view of related control: it's size, shape and main colors",
            "type": "object",
            "required": [
                "mapping"
            ],
            "properties": {
                "mapping": {
                    "$ref": "#/definitions/mapping"
                },
                "variantGroups": {
                    "type": "object",
                    "propertyNames": {
                        "pattern": "^[a-z][a-zA-Z]*"
                    },
                    "additionalProperties": {
                        "$ref": "#/definitions/variant"
                    }
                }
            },
            "additionalProperties": false
        },
        "variant": {
            "description": "Set of mapping that define control's appearance",
            "type": "object",
            "propertyNames": {
                "pattern": "^[a-z][a-zA-Z0-9]*"
            },
            "additionalProperties": {
                "$ref": "#/definitions/mapping"
            }
        },
        "mapping": {
            "description": "Set of parameters that define control's appearance",
            "type": "object",
            "propertyNames": {
                "pattern": "^[a-z][a-zA-Z]*"
            },
            "patternProperties": {
                "[Ww]idth": {
                    "type": "number"
                },
                "[Hh]eight": {
                    "type": "number"
                },
                "[Cc]olor": {
                    "type": "string"
                }
            },
            "properties": {
                "state": {
                    "$ref": "#/definitions/mapping",
                    "propertyNames": {
                        "pattern": "^[a-z][.a-z]*"
                    },
                    "minProperties": 1
                }
            },
            "additionalProperties": {
                "$ref": "#/definitions/parameter"
            }
        },
        "parameter": {
            "description": "Defines how the element or a component of the system will look like",
            "anyOf": [
                {
                    "type": [
                        "number",
                        "string"
                    ]
                },
                {
                    "$ref": "#/definitions/mapping"
                }
            ]
        }
    }
}