import * as _ from "@preserves/core";
import * as _i_Actor from "../actor";

export const $BoxState = Symbol.for("BoxState");
export const $SetBox = Symbol.for("SetBox");

export const BoxState = _.Record.makeConstructor<{"_field0": number}, _ptr>()($BoxState, ["_field0"]);

export type BoxState = _.Record<(typeof $BoxState), [number], _ptr>;

export const SetBox = _.Record.makeConstructor<{"_field0": number}, _ptr>()($SetBox, ["_field0"]);

export type SetBox = _.Record<(typeof $SetBox), [number], _ptr>;

export type _ptr = _i_Actor.Ref;

export type _val = _.Value<_ptr>;


export function isBoxState(v: any): v is BoxState {
    return (
        _.Record.isRecord<_val, _.Tuple<_val>, _ptr>(v) &&
        _.is(v.label, $BoxState) &&
        ((v.length === 1) && typeof v[0] === 'number')
    );
}

export function asBoxState(v: any): BoxState {
    if (!isBoxState(v)) {throw new TypeError(`Invalid BoxState: ${_.stringify(v)}`);} else {return v;};
}

export function decodeBoxState(d: _.TypedDecoder<_ptr>): BoxState | undefined {
    return ((() => {
        const M = d.mark();
        if (!d.openRecord()) return void 0;
        const L = _.checkIs(d.nextSymbol(), $BoxState);
        if (L === void 0) { d.restoreMark(M); return void 0; };
        const Fs = (((() => {
            const M = d.mark();
            const v0 = d.nextSignedInteger(); if (v0 === void 0) { d.restoreMark(M); return void 0; };
            if (!d.closeCompound()) { d.restoreMark(M); return void 0; };
            return [v0] as [number];
        })())) as any;
        if (Fs === void 0) { d.restoreMark(M); return void 0; };
        return _.Record<(typeof $BoxState), [number]>(L, Fs);
    })());
}

export function isSetBox(v: any): v is SetBox {
    return (
        _.Record.isRecord<_val, _.Tuple<_val>, _ptr>(v) &&
        _.is(v.label, $SetBox) &&
        ((v.length === 1) && typeof v[0] === 'number')
    );
}

export function asSetBox(v: any): SetBox {
    if (!isSetBox(v)) {throw new TypeError(`Invalid SetBox: ${_.stringify(v)}`);} else {return v;};
}

export function decodeSetBox(d: _.TypedDecoder<_ptr>): SetBox | undefined {
    return ((() => {
        const M = d.mark();
        if (!d.openRecord()) return void 0;
        const L = _.checkIs(d.nextSymbol(), $SetBox);
        if (L === void 0) { d.restoreMark(M); return void 0; };
        const Fs = (((() => {
            const M = d.mark();
            const v0 = d.nextSignedInteger(); if (v0 === void 0) { d.restoreMark(M); return void 0; };
            if (!d.closeCompound()) { d.restoreMark(M); return void 0; };
            return [v0] as [number];
        })())) as any;
        if (Fs === void 0) { d.restoreMark(M); return void 0; };
        return _.Record<(typeof $SetBox), [number]>(L, Fs);
    })());
}

export const _decodePtr = (d: _.TypedDecoder<_ptr>) => _i_Actor.decodeRef(d);