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());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
import defaultsDeep from "lodash-es/defaultsDeep";
import omit from "lodash-es/omit";
import pick from "lodash-es/pick";
import cloneDeep from "lodash-es/cloneDeep";
import { DBService } from "./db";
import LocalStorage from "lowdb/adapters/LocalStorage";
import SessionStorage from "./adapters/SessionStorage";
var DEFAULT_NAME = "vuex-along";
var ROOT_KEY = "root";
var VuexAlong = /** @class */ (function () {
    function VuexAlong(_a) {
        var _this = this;
        var local = _a.local, session = _a.session, _b = _a.name, name = _b === void 0 ? DEFAULT_NAME : _b, _c = _a.justSession, justSession = _c === void 0 ? false : _c, adapterOptions = _a.adapterOptions;
        var _d = adapterOptions || {}, _e = _d.local, localAdapter = _e === void 0 ? LocalStorage : _e, _f = _d.session, sessionAdapter = _f === void 0 ? SessionStorage : _f, 
        // Make sure your adapter is syncing. Then you can get the synchronized state
        _g = _d.sync, 
        // Make sure your adapter is syncing. Then you can get the synchronized state
        sync = _g === void 0 ? true : _g;
        this.local = local;
        this.session = session;
        this.justSession = justSession;
        this.sync = !!((!localAdapter && !sessionAdapter) || sync);
        if (!justSession) {
            this.localDBService = new DBService(name, localAdapter);
        }
        if (session) {
            this.sessionDBService = new DBService(name, sessionAdapter);
        }
        if (window) {
            window.clearVuexAlong = function (local, session) {
                _this.clear(local, session);
            };
        }
    }
    Object.defineProperty(VuexAlong.prototype, "ready", {
        get: function () {
            var _a, _b;
            if (this.sync) {
                return true;
            }
            return Promise.all([
                (_a = this.localDBService) === null || _a === void 0 ? void 0 : _a.ready,
                (_b = this.sessionDBService) === null || _b === void 0 ? void 0 : _b.ready,
            ]);
        },
        enumerable: true,
        configurable: true
    });
    VuexAlong.prototype.saveLocalData = function (state) {
        var _a;
        if (this.justSession) {
            return;
        }
        this._dataHandler(state, (_a = this.local, (_a !== null && _a !== void 0 ? _a : { list: [] })), this.localDBService);
    };
    VuexAlong.prototype.saveSessionData = function (state) {
        var session = this.session;
        if (!session) {
            return;
        }
        this._dataHandler(state, session, this.sessionDBService);
    };
    VuexAlong.prototype._dataHandler = function (state, options, db) {
        var _a;
        if (!db) {
            return;
        }
        var duplicateState = cloneDeep(state);
        var key = ROOT_KEY;
        var list = options.list, isFilter = options.isFilter;
        if ((_a = list) === null || _a === void 0 ? void 0 : _a.length) {
            duplicateState = isFilter
                ? omit(duplicateState, list)
                : pick(duplicateState, list);
        }
        db.set(key, duplicateState).catch(logger);
    };
    VuexAlong.prototype.saveData = function (state) {
        this.saveLocalData(state);
        this.saveSessionData(state);
    };
    VuexAlong.prototype.restoreData = function (store) {
        var _a, _b;
        var key = ROOT_KEY;
        store.replaceState(defaultsDeep((_a = this.sessionDBService) === null || _a === void 0 ? void 0 : _a.get(key), (_b = this.localDBService) === null || _b === void 0 ? void 0 : _b.get(key), store.state));
    };
    VuexAlong.prototype.clear = function (local, session) {
        if (local === void 0) { local = true; }
        if (session === void 0) { session = false; }
        var _a, _b;
        local && ((_a = this.localDBService) === null || _a === void 0 ? void 0 : _a.unset(ROOT_KEY).catch(logger));
        session && ((_b = this.sessionDBService) === null || _b === void 0 ? void 0 : _b.unset(ROOT_KEY).catch(logger));
    };
    return VuexAlong;
}());
export default function (options) {
    var _this = this;
    if (options === void 0) { options = {}; }
    var vuexAlong = new VuexAlong(options);
    return function (store) { return __awaiter(_this, void 0, void 0, function () {
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (!(vuexAlong.ready !== true)) return [3 /*break*/, 2];
                    return [4 /*yield*/, vuexAlong.ready];
                case 1:
                    _a.sent();
                    _a.label = 2;
                case 2:
                    vuexAlong.restoreData(store);
                    store.subscribe(function (_mutation, state) { return vuexAlong.saveData(state); });
                    return [2 /*return*/];
            }
        });
    }); };
}
// utils
function logger(reason) {
    console.error(reason);
}