{
    "$id": "https://github.com/ojobpub/schema/v1/ojobpub.json",
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "title": "oJobPub - Open Job Publishing Initiative",
    "type": "object",
    "properties": {
        "version": {
            "description": "Version of the oJobPub schema",
            "type": "string",
            "const": "1.0"
        },
        "lastUpdated": {
            "description": "Date when the oJobPub feed was last updated",
            "type": "string",
            "format": "date-time"
        },
        "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
        },
        "jobs": {
            "type": "array",
            "items": {
                "$ref": "#/$defs/job"
            }
        }
    },
    "required": [
        "version",
        "lastUpdated",
        "employer",
        "jobs"
    ],
    "additionalProperties": false,
    "$defs": {
        "location": {
            "type": "object",
            "properties": {
                "city": {
                    "description": "City",
                    "type": "string"
                },
                "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
                }
            }
        },
        "job": {
            "type": "object",
            "properties": {
                "language": {
                    "description": "Language of the job description as ISO 639-1:2002. See https://en.wikipedia.org/wiki/List_of_ISO_639_language_codes",
                    "type": "string",
                    "minLength": 2,
                    "maxLength": 2
                },
                "publishedAt": {
                    "description": "Date when the job was first published",
                    "type": "string",
                    "format": "date"
                },
                "startDate": {
                    "description": "Date when the job starts",
                    "type": "string",
                    "format": "date"
                },
                "endDate": {
                    "description": "Date when the job ends",
                    "type": "string",
                    "format": "date"
                },
                "applyBefore": {
                    "description": "Date until the job is valid",
                    "type": "string",
                    "format": "date"
                },
                "category": {
                    "description": "Category of the job: e.g. Engineering, Marketing, Salesq",
                    "type": "string",
                    "maxLength": 255
                },
                "referenceId": {
                    "description": "Employer's job reference ID",
                    "type": "string",
                    "maxLength": 255
                },
                "title": {
                    "description": "Title of the job",
                    "type": "string",
                    "maxLength": 255
                },
                "description": {
                    "description": "Description of the job",
                    "type": "string",
                    "maxLength": 1000
                },
                "jobType": {
                    "type": "string",
                    "enum": ["permanent", "contract", "internship", "apprenticeship", "temporary", "volunteer", "freelance"]
                },
                "experienceLevel": {
                    "description": "Experience level required for the job",
                    "type": "string",
                    "enum": ["junior", "mid", "senior", "lead", "manager", "director", "executive"]
                },
                "workLoad": {
                    "description": "Expected workload in percentage for the job",
                    "type": "object",
                    "properties": {
                        "minPercentage": {
                            "type": "number",
                            "minimum": 0,
                            "maximum": 100
                        },
                        "maxPercentage": {
                            "type": "number",
                            "minimum": 0,
                            "maximum": 100
                        }
                    }
                },
                "workType": {
                    "description": "Type of work for the job",
                    "type": "string",
                    "enum": ["remote", "on-site", "hybrid"]
                },
                "salary": {
                    "description": "Salary range for the job",
                    "type": "object",
                    "properties": {
                        "min": {
                            "description": "Minimum salary to expect",
                            "type": "number",
                            "minimum": 0

                        },
                        "max": {
                            "description": "Maximum salary to expect",
                            "type": "number",
                            "minimum": 0
                        },
                        "currency": {
                            "description": "Currency as ISO 4217: see https://en.wikipedia.org/wiki/ISO_4217",
                            "type": "string",
                            "minLength": 3,
                            "maxLength": 3
                        },
                        "interval": {
                            "description": "Min/max salary interval, e.g. per hour, per month, per year",
                            "type": "string",
                            "enum": ["hourly", "daily", "weekly", "monthly", "yearly"]
                        }
                    }
                },
                "tags": {
                    "description": "Key words for the job",
                    "type": "array",
                    "items": {
                        "type": "string",
                        "maxLength": 28
                    },
                    "maxItems": 16,
                    "uniqueItems": true
                },
                "locations": {
                    "description": "Locations of the job",
                    "type": "array",
                    "minItems": 1,
                    "items": {
                        "$ref": "#/$defs/location"
                    }
                },
                "url": {
                    "description": "URL of the job's full description",
                    "type": "string",
                    "format": "uri"
                }
            },
            "required": [
                "publishedAt",
                "title",
                "jobType",
                "language",
                "locations",
                "url"
            ],
            "additionalProperties": false
        }
    }
}