{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "https://raw.githubusercontent.com/microsoft/botframework-sdk/master/schemas/component/component.schema",
    "title": "JSON Schema definition for Bot Framework dialog schemas.",
    "description": "In order to create a component for Bot Framework .dialog files you need to create a schema file describing your configuration that meets this definition.  This extends http://json-schema.org/draft-07/schema#.",
    "allOf": [
        {
            "$ref": "http://json-schema.org/draft-07/schema#"
        },
        {
            "properties": {
                "$policies": {
                    "type": "object",
                    "properties": {
                        "interactive": {
                            "title": "Interactive",
                            "description": "Dialog will wait for input.",
                            "type": "boolean",
                            "default": false
                        },
                        "nonInteractive": {
                            "title": "Non-interactive",
                            "description": "No child dialogs can wait for input.",
                            "type": "boolean",
                            "default": false
                        },
                        "lastAction": {
                            "title": "Last Action",
                            "description": "Dialog must be the last action in a list of actions.",
                            "type": "boolean",
                            "default": false
                        },
                        "requiresKind": {
                            "title": "Requires Kind",
                            "description": "There must be a child dialog of one of the included kinds or an extension of those kinds.",
                            "type": "array",
                            "items": {
                                "type": "string"
                            },
                            "default": []
                        }
                    }
                },
                "$role": {
                    "title": "$role",
                    "description": "Defines the roles played in the dialog schema one of [expression|interface|implements($kind)|extends($kind)].",
                    "oneOf": [
                        {
                            "$ref": "#/definitions/role"
                        },
                        {
                            "type": "array",
                            "items": {
                                "$ref": "#/definitions/role"
                            }
                        }
                    ]
                },
                "$kind": {
                    "title": "$kind",
                    "description": "Defines the valid properties for the component you are configuring (from a dialog .schema file)",
                    "type": "string",
                    "pattern": "^[a-zA-Z][a-zA-Z0-9.]*$"
                }
            }
        }
    ],
    "definitions": {
        "role": {
            "title": "$role",
            "description": "Defines the role played in the dialog schema from [expression|interface|implements($kind)|extends($kind)].",
            "type": "string",
            "pattern": "^((expression)|(interface)|(implements\\([a-zA-Z][a-zA-Z0-9.]*\\))|(extends\\([a-zA-Z][a-zA-Z0-9.]*\\)))$"
        },
        "component": {
            "properties": {
                "$kind": {
                    "title": "Kind of dialog object",
                    "description": "Defines the valid properties for the component you are configuring (from a dialog .schema file)",
                    "type": "string",
                    "pattern": "^[a-zA-Z][a-zA-Z0-9.]*$"
                },
                "$designer": {
                    "title": "Designer information",
                    "type": "object",
                    "description": "Extra information for the Bot Framework Composer."
                }
            },
            "required": [
                "$kind"
            ],
            "additionalProperties": false,
            "patternProperties": {
                "^\\$": {
                    "title": "Tooling property",
                    "description": "Open ended property for tooling."
                }
            }
        },
        "expression": {
            "$role": "expression",
            "type": "string",
            "title": "Expression",
            "description": "Expression to evaluate.",
            "pattern": "^.*\\S.*",
            "examples": [
                "user.age > 13"
            ]
        },
        "equalsExpression": {
            "$role": "expression",
            "type": "string",
            "title": "Expression",
            "description": "Expression starting with =.",
            "pattern": "^=.*\\S.*",
            "examples": [
                "=user.name"
            ]
        },
        "condition": {
            "$role": "expression",
            "title": "Boolean condition",
            "description": "Boolean constant or expression to evaluate.",
            "oneOf": [
                {
                    "$ref": "#/definitions/expression"
                },
                {
                    "type": "boolean",
                    "title": "Boolean",
                    "description": "Boolean value.",
                    "default": true,
                    "examples": [
                        false
                    ]
                }
            ]
        },
        "booleanExpression": {
            "$role": "expression",
            "title": "Boolean or expression",
            "description": "Boolean constant or expression to evaluate.",
            "oneOf": [
                {
                    "type": "boolean",
                    "title": "Boolean",
                    "description": "Boolean constant.",
                    "default": false,
                    "examples": [
                        false
                    ]
                },
                {
                    "$ref": "#/definitions/equalsExpression",
                    "examples": [
                        "=user.isVip"
                    ]
                }
            ]
        },
        "numberExpression": {
            "$role": "expression",
            "title": "Number or expression",
            "description": "Number constant or expression to evaluate.",
            "oneOf": [
                {
                    "type": "number",
                    "title": "Number",
                    "description": "Number constant.",
                    "default": 0,
                    "examples": [
                        15.5
                    ]
                },
                {
                    "$ref": "#/definitions/equalsExpression",
                    "examples": [
                        "=dialog.quantity"
                    ]
                }
            ]
        },
        "integerExpression": {
            "$role": "expression",
            "title": "Integer or expression",
            "description": "Integer constant or expression to evaluate.",
            "oneOf": [
                {
                    "type": "integer",
                    "title": "Integer",
                    "description": "Integer constant.",
                    "default": 0,
                    "examples": [
                        15
                    ]
                },
                {
                    "$ref": "#/definitions/equalsExpression",
                    "examples": [
                        "=user.age"
                    ]
                }
            ]
        },
        "stringExpression": {
            "$role": "expression",
            "title": "String or expression",
            "description": "Interpolated string or expression to evaluate.",
            "oneOf": [
                {
                    "type": "string",
                    "title": "String",
                    "description": "Interpolated string",
                    "pattern": "^(?!(=)).*",
                    "examples": [
                        "Hello ${user.name}"
                    ]
                },
                {
                    "$ref": "#/definitions/equalsExpression",
                    "examples": [
                        "=concat('x','y','z')"
                    ]
                }
            ]
        },
        "arrayExpression": {
            "$role": "expression",
            "title": "Array or expression",
            "description": "Array or expression to evaluate.",
            "oneOf": [
                {
                    "type": "array",
                    "title": "Array",
                    "description": "Array constant."
                },
                {
                    "$ref": "#/definitions/equalsExpression"
                }
            ]
        },
        "objectExpression": {
            "$role": "expression",
            "title": "Object or expression",
            "description": "Object or expression to evaluate.",
            "oneOf": [
                {
                    "type": "object",
                    "title": "Object",
                    "description": "Object constant."
                },
                {
                    "$ref": "#/definitions/equalsExpression"
                }
            ]
        },
        "valueExpression": {
            "$role": "expression",
            "title": "Any or expression",
            "description": "Any constant or expression to evaluate.",
            "oneOf": [
                {
                    "type": "object",
                    "title": "Object",
                    "description": "Object constant."
                },
                {
                    "type": "array",
                    "title": "Array",
                    "description": "Array constant."
                },
                {
                    "type": "string",
                    "title": "String",
                    "description": "Interpolated string.",
                    "pattern": "^(?!(=)).*",
                    "examples": [
                        "Hello ${user.name}"
                    ]
                },
                {
                    "type": "boolean",
                    "title": "Boolean",
                    "description": "Boolean constant",
                    "examples": [
                        false
                    ]
                },
                {
                    "type": "number",
                    "title": "Number",
                    "description": "Number constant.",
                    "examples": [
                        15.5
                    ]
                },
                {
                    "$ref": "#/definitions/equalsExpression",
                    "examples": [
                        "=..."
                    ]
                }
            ]
        }
    }
}