{
    "$id": "https://github.com/ojobpub/schema/v1/ojobpub.json",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "title": "oJobPub - Open Job Publishing Initiative",
    "type": "object",
    "properties": {
        "employer": {
            "type": "object",
            "properties": {
                "name": {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 255
                },
                "location": {
                    "description": "Employer's headquarters",
                    "$ref": "#/$defs/location"
                },
                "industry": {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 255
                },
                "url": {
                    "type": "string",
                    "format": "uri"
                }
            },
            "required": ["name", "location"],
            "additionalProperties": false
        },
        "vacancies": {
            "type": "array",
            "items": {
                "$ref": "#/$defs/vacancy"
            }
        }
    },
    "$defs": {
        "location": {
            "type": "object",
            "properties": {
                "city": {
                    "description": "City",
                    "type": "string",
                    "minLength": 1
                },
                "country": {
                    "description": "Country code as ISO 3166-1 alpha-2: see https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2",
                    "type": "string",
                    "minLength": 2,
                    "maxLength": 2
                }
            }
        },
        "vacancy": {
            "type": "object",
            "properties": {
                "language": {
                    "description": "Language of the vacancy description as ISO 639-1:2002. See https://en.wikipedia.org/wiki/List_of_ISO_639_language_codes",
                    "type": "string",
                    "minLength": 2,
                    "maxLength": 2
                },
                "datePublished": {
                    "description": "Date when the vacancy was first published",
                    "type": "string",
                    "format": "date"
                },
                "applyBefore": {
                    "description": "Date until the vacancy is valid",
                    "type": "string",
                    "format": "date"
                },
                "jobCategory": {
                    "description": "Category of the vacancy",
                    "type": "string",
                    "maxLength": 255
                },
                "jobRef": {
                    "description": "Emloyeer's vacancy reference",
                    "type": "string",
                    "maxLength": 255
                },
                "jobTitle": {
                    "description": "Title of the vacancy",
                    "type": "string",
                    "maxLength": 255
                },
                "jobDescription": {
                    "description": "Description of the vacancy",
                    "type": "string",
                    "maxLength": 1000
                },
                "jobType": {
                    "type": "string",
                    "enum": ["permanent", "contract", "internship", "apprenticeship"]
                },
                "experienceLevel": {
                    "description": "Experience level required for the vacancy",
                    "type": "string",
                    "enum": ["junior", "mid", "senior"]
                },
                "workLoad": {
                    "description": "Expected workload in percentage for the vacancy",
                    "type": "object",
                    "properties": {
                        "minPercentage": {
                            "type": "number",
                            "minimum": 0,
                            "maximum": 100
                        },
                        "maxPercentage": {
                            "type": "number",
                            "minimum": 0,
                            "maximum": 100
                        }
                    }
                },
                "workType": {
                    "description": "Type of work for the vacancy",
                    "type": "string",
                    "enum": ["remote", "on-site", "hybrid"]
                },
                "tags": {
                    "description": "Key words for the vacancy",
                    "type": "array",
                    "items": {
                        "type": "string",
                        "maxLength": 28
                    },
                    "maxItems": 8,
                    "uniqueItems": true
                },
                "location": {
                    "description": "Location of the vacancy",
                    "$ref": "#/$defs/location"
                },
                "jobUrl": {
                    "description": "URL of the vacancy's full description",
                    "type": "string",
                    "format": "uri"
                }
            },
            "required": [
                "datePublished",
                "jobTitle",
                "jobType",
                "language",
                "location",
                "jobUrl"
            ],
            "additionalProperties": false
        }
    }
}