{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "title": "JSON Schema tibi-server field meta configuration",
    "description": "tibi-server field meta linter",
    "type": "object",

    "anyOf": [
        {
            "$ref": "#/definitions/minimum"
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget|inputProps$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": { "enum": ["text", "checkbox"] }
                    }
                },
                {
                    "properties": {
                        "inputProps": {
                            "type": "object",
                            "properties": {
                                "multiline": { "type": "boolean" }
                            }
                        }
                    }
                }
            ]
        },

        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": { "enum": ["richtext", "richText"] }
                    }
                }
            ]
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget|choices$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "required": ["choices"],
                    "properties": {
                        "widget": {
                            "enum": [
                                "checkboxArray",
                                "select",
                                "selectArray",
                                "chipArray"
                            ]
                        },
                        "choices": {
                            "oneOf": [
                                {
                                    "type": "object",
                                    "description": "endpoint configuration",
                                    "additionalProperties": false,
                                    "properties": {
                                        "endpoint": {
                                            "type": "string",
                                            "description": "endpoint URL or path"
                                        },
                                        "params": {
                                            "type": "object",
                                            "description": "query parameters"
                                        },
                                        "mapping": {
                                            "type": "object",
                                            "description": "data mapping",
                                            "additionalProperties": false,
                                            "properties": {
                                                "id": {
                                                    "type": "string",
                                                    "description": "name of id field"
                                                },
                                                "name": {
                                                    "type": "string",
                                                    "description": "name of name/description field"
                                                }
                                            }
                                        }
                                    }
                                },
                                {
                                    "type": "array",
                                    "description": "choices to select from",
                                    "items": {
                                        "type": "object",
                                        "properties": {
                                            "id": {
                                                "oneOf": [
                                                    {
                                                        "type": "null"
                                                    },
                                                    {
                                                        "type": "string"
                                                    },
                                                    {
                                                        "type": "number"
                                                    }
                                                ]
                                            },
                                            "name": {
                                                "description": "name is human readable value",
                                                "$ref": "definitions.json#/definitions/i18nString"
                                            },
                                            "chipStyle": {
                                                "$ref": "https://raw.githubusercontent.com/rcorp/css-schema/master/schema.json"
                                            }
                                        },
                                        "required": ["id", "name"]
                                    }
                                }
                            ]
                        }
                    }
                }
            ]
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": {
                            "enum": ["date", "datetime"]
                        }
                    }
                }
            ]
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": {
                            "enum": ["file", "image"]
                        }
                    }
                }
            ]
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": {
                            "enum": ["json"]
                        }
                    }
                }
            ]
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": {
                            "enum": ["tabs"]
                        }
                    }
                }
            ]
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget|foreign$": { "$comment": "stub for allOf" }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": {
                            "enum": ["foreignKey"]
                        },
                        "foreign": {
                            "additionalProperties": false,
                            "description": "foreign key configuration",
                            "type": "object",
                            "properties": {
                                "collection": {
                                    "type": "string",
                                    "description": "collection name"
                                },
                                "id": {
                                    "type": "string",
                                    "description": "id field name"
                                },
                                "projection": {
                                    "type": "string",
                                    "description": "projection name used for fetching initial foreign entries from database"
                                },
                                "sort": {
                                    "type": "string",
                                    "description": "sort field name (-field for descending)"
                                },
                                "subNavigation": {
                                    "type": "number",
                                    "description": "sub navigation index in foreign collection"
                                },
                                "render": {
                                    "description": "field name or eval object which returns string",
                                    "oneOf": [
                                        { "type": "string" },
                                        {
                                            "$ref": "definitions.json#/definitions/evalObjectWithRaw"
                                        },
                                        {
                                            "type": "object",
                                            "properties": {
                                                "defaultCollectionViews": {
                                                    "type": "boolean"
                                                }
                                            },
                                            "required": [
                                                "defaultCollectionViews"
                                            ]
                                        }
                                    ]
                                }
                            }
                        }
                    }
                }
            ]
        },
        {
            "$ref": "#/definitions/minimum",
            "patternProperties": {
                "^x-.*|widget|baseHref|cssHref|imageSelect|fileSelect|videoSelect|customTags|style$": {
                    "$comment": "stub for allOf"
                }
            },
            "allOf": [
                {
                    "properties": {
                        "widget": {
                            "enum": ["contentbuilder"]
                        },
                        "baseHref": {
                            "description": "base href for relative links inside of ContentBuilder",
                            "oneOf": [
                                { "type": "string" },
                                {
                                    "$ref": "definitions.json#/definitions/evalObject"
                                }
                            ]
                        },
                        "cssHref": {
                            "description": "href to css file for use with ContentBuilder",
                            "oneOf": [
                                { "type": "string" },
                                {
                                    "type": "array",
                                    "items": { "type": "string" }
                                },
                                {
                                    "$ref": "definitions.json#/definitions/evalObject"
                                }
                            ]
                        },
                        "imageSelect": {
                            "description": "target for image selection",
                            "$ref": "#definitions/assetsTarget"
                        },
                        "fileSelect": {
                            "description": "target for file selection",
                            "$ref": "#definitions/assetsTarget"
                        },
                        "videoSelect": {
                            "description": "target for video selection",
                            "$ref": "#definitions/assetsTarget"
                        },
                        "customTags": {
                            "description": "custom tags to add to ContentBuilder",
                            "oneOf": [
                                {
                                    "type": "array",
                                    "items": {
                                        "type": "object",
                                        "additionalProperties": false,
                                        "required": ["placeholder", "label"],
                                        "properties": {
                                            "placeholder": {
                                                "type": "string",
                                                "description": "placeholder inside html code"
                                            },
                                            "label": {
                                                "$ref": "definitions.json#/definitions/i18nString"
                                            }
                                        }
                                    }
                                },
                                {
                                    "$ref": "definitions.json#/definitions/evalObject"
                                }
                            ]
                        },
                        "style": {
                            "description": "css style to inject into ContentBuilder",
                            "oneOf": [
                                { "type": "string" },
                                {
                                    "$ref": "definitions.json#/definitions/evalObject"
                                }
                            ]
                        }
                    }
                }
            ]
        }
    ],
    "definitions": {
        "minimum": {
            "additionalProperties": false,
            "patternProperties": {
                "^x\\-": {
                    "description": "template property"
                }
            },
            "properties": {
                "folding": {
                    "type": "object",
                    "description": "folding configuration for array fields",
                    "additionalProperties": false,
                    "properties": {
                        "previewUnfolded": {
                            "description": "preview for unfolded array element",
                            "oneOf": [
                                { "type": "string" },
                                {
                                    "$ref": "definitions.json#/definitions/evalObjectWithRaw"
                                }
                            ]
                        },
                        "previewFolded": {
                            "description": "preview for folded array element",
                            "oneOf": [
                                { "type": "string" },
                                {
                                    "$ref": "definitions.json#/definitions/evalObjectWithRaw"
                                }
                            ]
                        }
                    }
                },
                "hide": {
                    "type": "boolean",
                    "description": "hide field widget"
                },
                "direction": {
                    "type": "string",
                    "enum": ["horizontal", "vertical"]
                },

                "pathStep": {
                    "type": "object",
                    "properties": {
                        "title": {
                            "type": "string",
                            "const": "Zeile"
                        },
                        "icon": {
                            "type": "string",
                            "const": "viewSequentialOutline"
                        }
                    },
                    "required": ["title", "icon"]
                },
                "metaElements": {
                    "oneOf": [
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            }
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "object",
                                "additionalProperties": {
                                    "type": "string"
                                }
                            }
                        },
                        {
                            "type": "object",
                            "properties": {
                                "source": {
                                    "type": "string"
                                }
                            },
                            "required": ["source"]
                        },
                        {
                            "type": "array",
                            "items": [
                                {
                                    "type": "string"
                                },
                                {
                                    "type": "object",
                                    "properties": {
                                        "source": {
                                            "type": "string",
                                            "const": "layout"
                                        }
                                    },
                                    "required": ["source"]
                                }
                            ]
                        },
                        {
                            "type": "object",
                            "properties": {
                                "tablist": {
                                    "type": "object",
                                    "properties": {
                                        "tabs": {
                                            "type": "array",
                                            "items": {
                                                "type": "object",
                                                "properties": {
                                                    "name": {
                                                        "type": "string"
                                                    },
                                                    "label": {
                                                        "type": "string"
                                                    },
                                                    "subFields": {
                                                        "type": "array",
                                                        "items": {
                                                            "type": "object",
                                                            "properties": {
                                                                "source": {
                                                                    "type": "string"
                                                                }
                                                            },
                                                            "required": [
                                                                "source"
                                                            ]
                                                        }
                                                    }
                                                },
                                                "required": [
                                                    "name",
                                                    "label",
                                                    "subFields"
                                                ]
                                            }
                                        }
                                    },
                                    "required": ["tabs"]
                                }
                            }
                        }
                    ]
                },

                "openapi": {
                    "type": "object"
                },
                "label": {
                    "$ref": "definitions.json#/definitions/i18nString",
                    "description": "label for field"
                },

                "addElementLabel": {
                    "$ref": "definitions.json#/definitions/i18nString",
                    "description": "label for adding element to list"
                },
                "helperText": {
                    "$ref": "definitions.json#/definitions/i18nString",
                    "description": "helper text for field"
                },
                "filter": {
                    "type": "object",
                    "description": "filter configuration for list view of this field",
                    "additionalProperties": false,
                    "properties": {
                        "type": {
                            "type": "string",
                            "description": "filter type",
                            "enum": [
                                "default",
                                "select",
                                "bool",
                                "boolean",
                                "input",
                                "number",
                                "foreignKey"
                            ]
                        }
                    }
                },

                "css": {
                    "description": "css styles for field widgets",
                    "oneOf": [
                        { "$comment": "for include tag", "type": "string" },
                        {
                            "type": "object",
                            "properties": {
                                "input": {
                                    "description": "css styles for input widget",
                                    "oneOf": [
                                        {
                                            "$comment": "for include tag",
                                            "type": "string"
                                        },
                                        {
                                            "type": "object",
                                            "additionalProperties": false,
                                            "properties": {
                                                "wrapper": {
                                                    "description": "css styles for input widget wrapper",
                                                    "$ref": "#/definitions/css"
                                                },
                                                "element": {
                                                    "description": "css styles for input widget sub elements",
                                                    "$ref": "#/definitions/css"
                                                },
                                                "foreignEntry": {
                                                    "description": "css styles for input widget linked foreign entries",
                                                    "$ref": "#/definitions/css"
                                                }
                                            }
                                        }
                                    ]
                                },
                                "view": {
                                    "description": "css styles for input widget",
                                    "oneOf": [
                                        {
                                            "$comment": "for include tag",
                                            "type": "string"
                                        },
                                        {
                                            "type": "object",
                                            "additionalProperties": false,
                                            "properties": {
                                                "wrapper": {
                                                    "description": "css styles for view widget wrapper",
                                                    "$ref": "#/definitions/css"
                                                },
                                                "element": {
                                                    "description": "css styles for view widget sub elements",
                                                    "$ref": "#/definitions/css"
                                                },
                                                "foreignEntry": {
                                                    "description": "css styles for input widget linked foreign entries",
                                                    "$ref": "#/definitions/css"
                                                }
                                            }
                                        }
                                    ]
                                }
                            }
                        }
                    ]
                },
                "dependsOn": {
                    "description": "depends on rule",
                    "oneOf": [
                        { "type": "string" },
                        {
                            "type": "object",
                            "properties": {
                                "eval": {
                                    "type": "string",
                                    "description": "javascript code which hides field widget if evaluates to false with $, $this, $parent and $stack variables"
                                }
                            }
                        }
                    ]
                },
                "containerProps": {
                    "type": "object",
                    "properties": {
                        "class": {
                            "type": "string"
                        },
                        "layout": {
                            "type": "object",
                            "properties": {
                                "breakBefore": {
                                    "type": "boolean"
                                },
                                "breakAfter": {
                                    "type": "boolean"
                                },
                                "size": {
                                    "type": "object",
                                    "properties": {
                                        "default": {
                                            "type": "string"
                                        },
                                        "small": {
                                            "type": "string"
                                        },
                                        "large": {
                                            "type": "string"
                                        }
                                    }
                                }
                            }
                        }
                    }
                },
                "inputProps": {
                    "type": "object",
                    "additionalProperties": true
                },

                "defaultValue": {
                    "description": "default value or code to get the value",
                    "oneOf": [
                        { "type": "array" },
                        { "type": "string" },
                        { "type": "null" },
                        { "type": "boolean" },
                        { "type": "number" },
                        {
                            "type": "object",
                            "properties": {
                                "eval": {
                                    "type": "string",
                                    "description": "js code with $navigation variable"
                                }
                            }
                        }
                    ]
                },
                "valueMap": {
                    "type": "object",
                    "description": "map values to icons",
                    "patternProperties": {
                        ".*": {
                            "oneOf": [
                                {
                                    "type": "string"
                                },
                                {
                                    "type": "object",
                                    "properties": {
                                        "muiIcon": {
                                            "type": "string"
                                        },
                                        "style": {
                                            "$comment": "https://raw.githubusercontent.com/rcorp/css-schema/master/schema.json"
                                        }
                                    }
                                }
                            ]
                        }
                    }
                }
            }
        },
        "assetsTarget": {
            "oneOf": [
                {
                    "type": "string",
                    "description": "url for assets view"
                },
                {
                    "type": "object",
                    "properties": {
                        "collection": {
                            "type": "string",
                            "description": "collection name"
                        },
                        "subNavigation": {
                            "type": "number",
                            "description": "sub navigation index in collections meta.subNavigation"
                        }
                    }
                },
                {
                    "$ref": "definitions.json#/definitions/evalObject"
                }
            ]
        },
        "css": {
            "anyOf": [
                { "type": "string" },
                {
                    "$ref": "https://raw.githubusercontent.com/rcorp/css-schema/master/schema.json"
                },
                {
                    "type": "object",
                    "properties": {
                        "eval": {
                            "type": "string",
                            "description": "javascript code evaled to string or css object"
                        }
                    }
                }
            ]
        }
    }
}