// To parse this data:
//
//   import { Convert, Position } from "./file";
//
//   const position = Convert.toPosition(json);
//
// These functions will throw an error if the JSON doesn't
// match the expected interface, even if the JSON is valid.

export interface Position {
    accuracyMeters:           number | null;
    accuracyPercentage:       number | null;
    batteryLevel:             number | null;
    bleType?:                 null | string;
    companyId?:               null | string;
    correlationId:            string;
    currentChampion?:         null | CurrentChampion;
    dataSource:               DataSource;
    date:                     Date;
    fillingStatus:            number | null;
    gatewayIdentifier:        null | string;
    inMotion?:                boolean | null;
    isStrong?:                boolean | null;
    latitude:                 number;
    longitude:                number;
    magnetClosed:             boolean | null;
    numberWakeUps:            number | null;
    phoneId:                  null | string;
    reason?:                  Reason | null;
    tagId:                    null | string;
    tagIdentifier?:           null | string;
    toolId:                   null | string;
    type:                     string;
    userId:                   null | string;
    uuid?:                    null | string;
    workingHours:             number | null;
    workingMeasureInProgress: boolean | null;
    workingMinutes:           number | null;
}

export interface CurrentChampion {
    accuracyMeters:           number | null;
    accuracyPercentage:       number | null;
    batteryLevel:             number | null;
    bleType?:                 null | string;
    correlationId:            string;
    dataSource:               DataSource;
    date:                     Date;
    fillingStatus:            number | null;
    gatewayIdentifier:        null | string;
    inMotion?:                boolean | null;
    isStrong?:                boolean | null;
    latitude:                 number;
    longitude:                number;
    magnetClosed:             boolean | null;
    numberWakeUps:            number | null;
    phoneId:                  null | string;
    reason?:                  Reason | null;
    tagId:                    null | string;
    tagIdentifier?:           null | string;
    toolId:                   null | string;
    type:                     string;
    userId:                   null | string;
    uuid?:                    null | string;
    workingHours:             number | null;
    workingMeasureInProgress: boolean | null;
    workingMinutes:           number | null;
    [property: string]: any;
}

export enum DataSource {
    Btv = "BTV",
    Computed = "Computed",
    FullComputedLocation = "Full-ComputedLocation",
    FullGps = "Full-Gps",
    Gateway = "Gateway",
    IET10ComputedLocation = "IET10-ComputedLocation",
    IET10RC1Gps = "IET10RC1-Gps",
    IET10RC1HeartBeat33 = "IET10RC1-HeartBeat33",
    IET10RC1HeartBeat39 = "IET10RC1-HeartBeat39",
    IET10RC1Magnet = "IET10RC1-Magnet",
    IET10RC1NoWifiNoGps = "IET10RC1-NoWifi-NoGps",
    IET10RC1Wifi1Macs = "IET10RC1-Wifi1Macs",
    IET10RC1Wifi2Macs = "IET10RC1-Wifi2Macs",
    Manual = "Manual",
    MobileGateway = "MobileGateway",
    Phone = "Phone",
    PhoneSighting = "PhoneSighting",
    QRCode = "QRCode",
}

export enum Reason {
    Movement = "Movement",
    Periodic = "Periodic",
}

// Converts JSON strings to/from your types
// and asserts the results of JSON.parse at runtime
export class Convert {
    public static toPosition(json: string): Position {
        return cast(JSON.parse(json), r("Position"));
    }

    public static positionToJson(value: Position): string {
        return JSON.stringify(uncast(value, r("Position")), null, 2);
    }
}

function invalidValue(typ: any, val: any, key: any, parent: any = ''): never {
    const prettyTyp = prettyTypeName(typ);
    const parentText = parent ? ` on ${parent}` : '';
    const keyText = key ? ` for key "${key}"` : '';
    throw Error(`Invalid value${keyText}${parentText}. Expected ${prettyTyp} but got ${JSON.stringify(val)}`);
}

function prettyTypeName(typ: any): string {
    if (Array.isArray(typ)) {
        if (typ.length === 2 && typ[0] === undefined) {
            return `an optional ${prettyTypeName(typ[1])}`;
        } else {
            return `one of [${typ.map(a => { return prettyTypeName(a); }).join(", ")}]`;
        }
    } else if (typeof typ === "object" && typ.literal !== undefined) {
        return typ.literal;
    } else {
        return typeof typ;
    }
}

function jsonToJSProps(typ: any): any {
    if (typ.jsonToJS === undefined) {
        const map: any = {};
        typ.props.forEach((p: any) => map[p.json] = { key: p.js, typ: p.typ });
        typ.jsonToJS = map;
    }
    return typ.jsonToJS;
}

function jsToJSONProps(typ: any): any {
    if (typ.jsToJSON === undefined) {
        const map: any = {};
        typ.props.forEach((p: any) => map[p.js] = { key: p.json, typ: p.typ });
        typ.jsToJSON = map;
    }
    return typ.jsToJSON;
}

function transform(val: any, typ: any, getProps: any, key: any = '', parent: any = ''): any {
    function transformPrimitive(typ: string, val: any): any {
        if (typeof typ === typeof val) return val;
        return invalidValue(typ, val, key, parent);
    }

    function transformUnion(typs: any[], val: any): any {
        // val must validate against one typ in typs
        const l = typs.length;
        for (let i = 0; i < l; i++) {
            const typ = typs[i];
            try {
                return transform(val, typ, getProps);
            } catch (_) {}
        }
        return invalidValue(typs, val, key, parent);
    }

    function transformEnum(cases: string[], val: any): any {
        if (cases.indexOf(val) !== -1) return val;
        return invalidValue(cases.map(a => { return l(a); }), val, key, parent);
    }

    function transformArray(typ: any, val: any): any {
        // val must be an array with no invalid elements
        if (!Array.isArray(val)) return invalidValue(l("array"), val, key, parent);
        return val.map(el => transform(el, typ, getProps));
    }

    function transformDate(val: any): any {
        if (val === null) {
            return null;
        }
        const d = new Date(val);
        if (isNaN(d.valueOf())) {
            return invalidValue(l("Date"), val, key, parent);
        }
        return d;
    }

    function transformObject(props: { [k: string]: any }, additional: any, val: any): any {
        if (val === null || typeof val !== "object" || Array.isArray(val)) {
            return invalidValue(l(ref || "object"), val, key, parent);
        }
        const result: any = {};
        Object.getOwnPropertyNames(props).forEach(key => {
            const prop = props[key];
            const v = Object.prototype.hasOwnProperty.call(val, key) ? val[key] : undefined;
            result[prop.key] = transform(v, prop.typ, getProps, key, ref);
        });
        Object.getOwnPropertyNames(val).forEach(key => {
            if (!Object.prototype.hasOwnProperty.call(props, key)) {
                result[key] = transform(val[key], additional, getProps, key, ref);
            }
        });
        return result;
    }

    if (typ === "any") return val;
    if (typ === null) {
        if (val === null) return val;
        return invalidValue(typ, val, key, parent);
    }
    if (typ === false) return invalidValue(typ, val, key, parent);
    let ref: any = undefined;
    while (typeof typ === "object" && typ.ref !== undefined) {
        ref = typ.ref;
        typ = typeMap[typ.ref];
    }
    if (Array.isArray(typ)) return transformEnum(typ, val);
    if (typeof typ === "object") {
        return typ.hasOwnProperty("unionMembers") ? transformUnion(typ.unionMembers, val)
            : typ.hasOwnProperty("arrayItems")    ? transformArray(typ.arrayItems, val)
            : typ.hasOwnProperty("props")         ? transformObject(getProps(typ), typ.additional, val)
            : invalidValue(typ, val, key, parent);
    }
    // Numbers can be parsed by Date but shouldn't be.
    if (typ === Date && typeof val !== "number") return transformDate(val);
    return transformPrimitive(typ, val);
}

function cast<T>(val: any, typ: any): T {
    return transform(val, typ, jsonToJSProps);
}

function uncast<T>(val: T, typ: any): any {
    return transform(val, typ, jsToJSONProps);
}

function l(typ: any) {
    return { literal: typ };
}

function a(typ: any) {
    return { arrayItems: typ };
}

function u(...typs: any[]) {
    return { unionMembers: typs };
}

function o(props: any[], additional: any) {
    return { props, additional };
}

function m(additional: any) {
    return { props: [], additional };
}

function r(name: string) {
    return { ref: name };
}

const typeMap: any = {
    "Position": o([
        { json: "accuracyMeters", js: "accuracyMeters", typ: u(3.14, null) },
        { json: "accuracyPercentage", js: "accuracyPercentage", typ: u(3.14, null) },
        { json: "batteryLevel", js: "batteryLevel", typ: u(3.14, null) },
        { json: "bleType", js: "bleType", typ: u(undefined, u(null, "")) },
        { json: "companyId", js: "companyId", typ: u(undefined, u(null, "")) },
        { json: "correlationId", js: "correlationId", typ: "" },
        { json: "currentChampion", js: "currentChampion", typ: u(undefined, u(null, r("CurrentChampion"))) },
        { json: "dataSource", js: "dataSource", typ: r("DataSource") },
        { json: "date", js: "date", typ: Date },
        { json: "fillingStatus", js: "fillingStatus", typ: u(3.14, null) },
        { json: "gatewayIdentifier", js: "gatewayIdentifier", typ: u(null, "") },
        { json: "inMotion", js: "inMotion", typ: u(undefined, u(true, null)) },
        { json: "isStrong", js: "isStrong", typ: u(undefined, u(true, null)) },
        { json: "latitude", js: "latitude", typ: 3.14 },
        { json: "longitude", js: "longitude", typ: 3.14 },
        { json: "magnetClosed", js: "magnetClosed", typ: u(true, null) },
        { json: "numberWakeUps", js: "numberWakeUps", typ: u(3.14, null) },
        { json: "phoneId", js: "phoneId", typ: u(null, "") },
        { json: "reason", js: "reason", typ: u(undefined, u(r("Reason"), null)) },
        { json: "tagId", js: "tagId", typ: u(null, "") },
        { json: "tagIdentifier", js: "tagIdentifier", typ: u(undefined, u(null, "")) },
        { json: "toolId", js: "toolId", typ: u(null, "") },
        { json: "type", js: "type", typ: "" },
        { json: "userId", js: "userId", typ: u(null, "") },
        { json: "uuid", js: "uuid", typ: u(undefined, u(null, "")) },
        { json: "workingHours", js: "workingHours", typ: u(3.14, null) },
        { json: "workingMeasureInProgress", js: "workingMeasureInProgress", typ: u(true, null) },
        { json: "workingMinutes", js: "workingMinutes", typ: u(3.14, null) },
    ], false),
    "CurrentChampion": o([
        { json: "accuracyMeters", js: "accuracyMeters", typ: u(3.14, null) },
        { json: "accuracyPercentage", js: "accuracyPercentage", typ: u(3.14, null) },
        { json: "batteryLevel", js: "batteryLevel", typ: u(3.14, null) },
        { json: "bleType", js: "bleType", typ: u(undefined, u(null, "")) },
        { json: "correlationId", js: "correlationId", typ: "" },
        { json: "dataSource", js: "dataSource", typ: r("DataSource") },
        { json: "date", js: "date", typ: Date },
        { json: "fillingStatus", js: "fillingStatus", typ: u(3.14, null) },
        { json: "gatewayIdentifier", js: "gatewayIdentifier", typ: u(null, "") },
        { json: "inMotion", js: "inMotion", typ: u(undefined, u(true, null)) },
        { json: "isStrong", js: "isStrong", typ: u(undefined, u(true, null)) },
        { json: "latitude", js: "latitude", typ: 3.14 },
        { json: "longitude", js: "longitude", typ: 3.14 },
        { json: "magnetClosed", js: "magnetClosed", typ: u(true, null) },
        { json: "numberWakeUps", js: "numberWakeUps", typ: u(3.14, null) },
        { json: "phoneId", js: "phoneId", typ: u(null, "") },
        { json: "reason", js: "reason", typ: u(undefined, u(r("Reason"), null)) },
        { json: "tagId", js: "tagId", typ: u(null, "") },
        { json: "tagIdentifier", js: "tagIdentifier", typ: u(undefined, u(null, "")) },
        { json: "toolId", js: "toolId", typ: u(null, "") },
        { json: "type", js: "type", typ: "" },
        { json: "userId", js: "userId", typ: u(null, "") },
        { json: "uuid", js: "uuid", typ: u(undefined, u(null, "")) },
        { json: "workingHours", js: "workingHours", typ: u(3.14, null) },
        { json: "workingMeasureInProgress", js: "workingMeasureInProgress", typ: u(true, null) },
        { json: "workingMinutes", js: "workingMinutes", typ: u(3.14, null) },
    ], "any"),
    "DataSource": [
        "BTV",
        "Computed",
        "Full-ComputedLocation",
        "Full-Gps",
        "Gateway",
        "IET10-ComputedLocation",
        "IET10RC1-Gps",
        "IET10RC1-HeartBeat33",
        "IET10RC1-HeartBeat39",
        "IET10RC1-Magnet",
        "IET10RC1-NoWifi-NoGps",
        "IET10RC1-Wifi1Macs",
        "IET10RC1-Wifi2Macs",
        "Manual",
        "MobileGateway",
        "Phone",
        "PhoneSighting",
        "QRCode",
    ],
    "Reason": [
        "Movement",
        "Periodic",
    ],
};