{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "save-metadata.json",
    "title": "saving metadata",
    "description": "The metadata received from the client when saving content",
    "type": "object",
    "properties": {
        "title": {
            "description": "The title of the content contained within the package",
            "type": "string",
            "pattern": "^.{1,255}$"
        },
        "language": {
            "description": "The language code the content was created in",
            "type": "string",
            "pattern": "^[-a-zA-Z]{1,10}$"
        },
        "preloadedDependencies": {
            "description": "The h5p libraries that must be loaded before this content type can be displayed",
            "type": "array",
            "items": {
                "$ref": "library-name-schema.json"
            }
        },
        "mainLibrary": {
            "description": "The content type of the content",
            "type": "string",
            "pattern": "^[$a-zA-Z_][0-9a-zA-Z_\\.$]{1,254}$"
        },
        "embedTypes": {
            "description": "How the content has to be embedded into its surroundings",
            "type": "array",
            "items": {
                "type": "string",
                "enum": ["iframe", "div"]
            }
        },
        "contentType": {
            "type": "string",
            "pattern": "^.{1,255}$"
        },
        "dynamicDependencies": {
            "type": "array",
            "items": {
                "$ref": "library-name-schema.json"
            }
        },
        "author": {
            "$comment": "deprecated",
            "type": "string",
            "pattern": "^.{1,255}$"
        },
        "authors": {
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "name": {
                        "type": "string",
                        "pattern": "^.{1,255}$"
                    },
                    "role": {
                        "type": "string",
                        "pattern": "^\\w+$"
                    }
                },
                "required": ["name", "role"]
            }
        },
        "source": {
            "type": "string",
            "pattern": "^(http[s]?://.+)$"
        },
        "license": {
            "type": "string",
            "pattern": "^(CC BY|CC BY-SA|CC BY-ND|CC BY-NC|CC BY-NC-SA|CC BY-NC-ND|CC0 1\\.0|GNU GPL|PD|ODC PDDL|CC PDM|U|C)$"
        },
        "licenseVersion": {
            "type": "string",
            "pattern": "^(1\\.0|2\\.0|2\\.5|3\\.0|4\\.0)$"
        },
        "licenseExtras": {
            "type": "string",
            "regexp": {
                "pattern": "^.{1,5000}$",
                "flags": "s"
            }
        },
        "yearsFrom": {
            "type": "string",
            "pattern": "^([0-9]{1,4})$"
        },
        "yearsTo": {
            "type": "string",
            "pattern": "^([0-9]{1,4})$"
        },
        "changes": {
            "description": "The changelog",
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "date": {
                        "type": "string",
                        "pattern": "^[0-9]{2}-[0-9]{2}-[0-9]{2} [0-9]{1,2}:[0-9]{2}:[0-9]{2}$"
                    },
                    "author": {
                        "type": "string",
                        "pattern": "^.{1,255}$"
                    },
                    "log": {
                        "description": "The free text what was changed in the content",
                        "type": "string",
                        "regexp": {
                            "pattern": "^.{1,5000}$",
                            "flags": "s"
                        }
                    }
                },
                "required": ["date", "author", "log"]
            }
        },
        "authorComments": {
            "type": "string",
            "regexp": {
                "pattern": "^.{1,5000}$",
                "flags": "s"
            }
        },
        "w": {
            "type": "string",
            "pattern": "^[0-9]{1,4}$"
        },
        "h": {
            "type": "string",
            "pattern": "^[0-9]{1,4}$"
        },
        "metaKeywords": {
            "$comment": "deprecated",
            "type": "string",
            "pattern": "^.{1,}$"
        },
        "metaDescription": {
            "$comment": "deprecated",
            "type": "string",
            "pattern": "^.{1,}$"
        }
    },
    "required": ["title"]
}