"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const _1 = require("../../../../Class/$");
const Functional_1 = require("../../../../Class/Functional");
const staticfy_1 = require("../../../../spec/staticfy");
const _ids_1 = require("../../../_ids");
class Ref extends Functional_1.Functional {
    constructor(system) {
        super({
            i: ['obj', 'key'],
            o: ['value'],
        }, {
            input: {
                obj: {
                    ref: true,
                },
            },
            output: {
                value: {
                    ref: true,
                },
            },
        }, system, _ids_1.ID_REF);
    }
    f({ obj, key }, done) {
        return __awaiter(this, void 0, void 0, function* () {
            let _value;
            try {
                _value = yield obj.get(key);
            }
            catch (err) {
                done(undefined, err.message);
                return;
            }
            this._unlisten = obj.subscribe([], key, (type, key, data) => {
                if (type === 'delete') {
                    this.err('key value not found');
                    this._forward_empty('value');
                }
            });
            const value = new (class _Value extends _1.$ {
                read() {
                    return __awaiter(this, void 0, void 0, function* () {
                        _value = yield obj.get(key);
                        const v = (0, staticfy_1.staticfy)(_value);
                        return v;
                    });
                }
                write(data) {
                    return __awaiter(this, void 0, void 0, function* () {
                        return obj.set(key, data);
                    });
                }
            })(this.__system);
            done({ value });
        });
    }
    d() {
        if (this._unlisten) {
            this._unlisten();
            this._unlisten = undefined;
        }
    }
}
exports.default = Ref;
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