{
    "$id": "https://schema.owlboard.info/data-ingress/darwin/association.schema.json",
    "$schema": "https://json-schema.org/draft-07/schema#",
    "title": "DarwinAssocData",
    "type": "object",
    "properties": {
        "service_name": {
            "type": "string",
            "description": "Name of the service submitting the update"
        },
        "service_id": {
            "type": "string",
            "description": "ID of the service sending the message - usually a hostname"
        },
        "data_type": {
            "type": "string",
            "const": "raw",
            "description": "The type of data contained in this message object"
        },
        "sent_timestamp": {
            "type": "integer",
            "description": "Unix timestamp representing the time the message was sent"
        },
        "data_kind": {
            "type": "string",
            "const": "darwin-association",
            "description": "The data type contained in the message.  Currently supported PIS: PIS Data, Timetable: CIF or VSTP Data, Knowledgebase: Station Data"
        },
        "payload": {
            "type": "array",
            "additionalItems": false,
            "items": {
                "type": "object",
                "additionalProperties": false,
                "required": [
                    "mr",
                    "ar",
                    "t",
                    "c",
                    "s",
                    "mt",
                    "at"
                ],
                "properties": {
                    "mr": {
                        "type": "string",
                        "name": "Main RID",
                        "description": "The main RID of this association object"
                    },
                    "ar": {
                        "type": "string",
                        "name": "Associated RID",
                        "description": "The associated RID of this association object"
                    },
                    "t": {
                        "type": "string",
                        "name": "TIPLOC",
                        "description": "The location at which this association applies"
                    },
                    "c": {
                        "enum": ["JJ", "VV", "LK", "NP"],
                        "name": "Category",
                        "description": "The type of association"
                    },
                    "s": {
                        "type": "string",
                        "format": "date",
                        "name": "SSD",
                        "description": "SSD Generated from the Main RID"
                    },
                    "mt": {
                        "name": "Main Times",
                        "description": "Timings that apply to the main RID",
                        "type": "object",
                        "properties": {
                            "wta": { "type": "string", "format": "date-time" },
                            "wtd": { "type": "string", "format": "date-time" },
                            "wtp": { "type": "string", "format": "date-time" },
                            "pta": { "type": "string", "format": "date-time" },
                            "ptd": { "type": "string", "format": "date-time" }
                        }
                    },
                    "at": {
                        "name": "Associated Times",
                        "description": "Timings that apply to the associated RID",
                        "type": "object",
                        "properties": {
                            "wta": { "type": "string", "format": "date-time" },
                            "wtd": { "type": "string", "format": "date-time" },
                            "wtp": { "type": "string", "format": "date-time" },
                            "pta": { "type": "string", "format": "date-time" },
                            "ptd": { "type": "string", "format": "date-time" }
                        }
                    },
                    "can": {
                        "name": "Cancelled",
                        "type": "boolean",
                        "description": "Whether this association is cancelled"
                    },
                    "del": {
                        "name": "Deleted",
                        "type": "boolean",
                        "description": "Whether this association is deleted"
                    }
                }
            }
        }
    },
    "required": [
        "service_name",
        "service_id",
        "data_type",
        "data_kind",
        "sent_timestamp",
        "payload"
    ],
    "additionalProperties": false
}