var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    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) : new P(function (resolve) { resolve(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 };
    }
};
var CacheService = /** @class */ (function () {
    function CacheService(app, storageConfigs) {
        this.app = app;
        // localstorage
        this.Localstorage = this.app.Localstorage
            .instance(!!storageConfigs ? storageConfigs : {
            name: 'SHEETBASE_CACHE',
        });
    }
    CacheService.prototype.instance = function (storageConfigs) {
        return new CacheService(this.app, storageConfigs);
    };
    CacheService.prototype.cacheTime = function (cacheTime) {
        // app caching time policy
        // cacheTime = -1 -> disable cache (0)
        // globalCacheTime = 0 and cacheTime = 0 -> disable cache (0)
        // globalCacheTime = 0 and cacheTime # 0 -> cacheTime
        // globalCacheTime # 0 and cacheTime = 0 -> globalCacheTime
        // globalCacheTime # 0 and cacheTime # 0 -> cacheTime
        var globalCacheTime = this.app.options.cacheTime;
        return (cacheTime === -1) ? 0 : Math.abs(cacheTime || globalCacheTime || 0);
    };
    CacheService.prototype.set = function (key, data, cacheTime) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        cacheTime = !!cacheTime ? cacheTime : 1; // default to 1 minute
                        return [4 /*yield*/, this.Localstorage.set(key + '__expiration', new Date().getTime() + (cacheTime * 60000))];
                    case 1:
                        _a.sent();
                        return [4 /*yield*/, this.Localstorage.set(key, data)];
                    case 2: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    CacheService.prototype.get = function (key, always) {
        if (always === void 0) { always = false; }
        return __awaiter(this, void 0, void 0, function () {
            var expired, cachedData, cacheExpiration;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        expired = true;
                        return [4 /*yield*/, this.Localstorage.get(key)];
                    case 1:
                        cachedData = _a.sent();
                        if (!!!cachedData) return [3 /*break*/, 3];
                        return [4 /*yield*/, this.Localstorage.get(key + '__expiration')];
                    case 2:
                        cacheExpiration = _a.sent();
                        if (!cacheExpiration || cacheExpiration > new Date().getTime()) {
                            expired = false;
                        }
                        _a.label = 3;
                    case 3:
                        if (always) {
                            return [2 /*return*/, { data: cachedData, expired: expired }];
                        }
                        else {
                            return [2 /*return*/, expired ? null : cachedData];
                        }
                        return [2 /*return*/];
                }
            });
        });
    };
    CacheService.prototype.getRefresh = function (key, cacheTime, refresher) {
        return __awaiter(this, void 0, void 0, function () {
            var data, _a, cachedData, expired, error_1;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0:
                        data = null;
                        cacheTime = this.cacheTime(cacheTime); // get app caching time
                        if (!(cacheTime === 0)) return [3 /*break*/, 2];
                        return [4 /*yield*/, refresher()];
                    case 1:
                        data = _b.sent(); // always fresh
                        return [3 /*break*/, 10];
                    case 2: return [4 /*yield*/, this.get(key, true)];
                    case 3:
                        _a = _b.sent(), cachedData = _a.data, expired = _a.expired;
                        if (!expired) {
                            data = cachedData;
                        }
                        if (!(!data && !!refresher)) return [3 /*break*/, 10];
                        _b.label = 4;
                    case 4:
                        _b.trys.push([4, 6, , 7]);
                        return [4 /*yield*/, refresher()];
                    case 5:
                        data = _b.sent();
                        return [3 /*break*/, 7];
                    case 6:
                        error_1 = _b.sent();
                        return [3 /*break*/, 7];
                    case 7:
                        if (!!!data) return [3 /*break*/, 9];
                        return [4 /*yield*/, this.set(key, data, cacheTime)];
                    case 8:
                        _b.sent();
                        return [3 /*break*/, 10];
                    case 9:
                        data = cachedData; // use expired value anyway
                        _b.label = 10;
                    case 10: 
                    // return data
                    return [2 /*return*/, data];
                }
            });
        });
    };
    CacheService.prototype.iterate = function (handler) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.Localstorage.iterate(handler)];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    CacheService.prototype.iterateKeys = function (handler) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.Localstorage.iterateKeys(handler)];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    CacheService.prototype.remove = function (key) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.Localstorage.remove(key + '__expiration')];
                    case 1:
                        _a.sent();
                        return [4 /*yield*/, this.Localstorage.remove(key)];
                    case 2: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    CacheService.prototype.removeBulk = function (keys) {
        return __awaiter(this, void 0, void 0, function () {
            var i;
            return __generator(this, function (_a) {
                for (i = 0; i < keys.length; i++) {
                    this.remove(keys[i]);
                }
                return [2 /*return*/];
            });
        });
    };
    CacheService.prototype.removeByPrefix = function (prefix) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.Localstorage.removeByPrefix(prefix)];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    CacheService.prototype.removeBySuffix = function (suffix) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.Localstorage.removeBySuffix(suffix)];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    CacheService.prototype.flush = function () {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.Localstorage.clear()];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    CacheService.prototype.flushExpired = function () {
        return __awaiter(this, void 0, void 0, function () {
            var _this = this;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.iterateKeys(function (key) { return __awaiter(_this, void 0, void 0, function () {
                            var cacheExpiration;
                            return __generator(this, function (_a) {
                                switch (_a.label) {
                                    case 0:
                                        if (!(key.indexOf('__expiration') > -1)) return [3 /*break*/, 4];
                                        return [4 /*yield*/, this.Localstorage.get(key)];
                                    case 1:
                                        cacheExpiration = _a.sent();
                                        if (!(!!cacheExpiration && cacheExpiration <= new Date().getTime())) return [3 /*break*/, 4];
                                        return [4 /*yield*/, this.Localstorage.remove(key)];
                                    case 2:
                                        _a.sent(); // expiration
                                        return [4 /*yield*/, this.Localstorage.remove(key.replace('__expiration', ''))];
                                    case 3:
                                        _a.sent(); // value
                                        _a.label = 4;
                                    case 4: return [2 /*return*/];
                                }
                            });
                        }); })];
                    case 1: return [2 /*return*/, _a.sent()];
                }
            });
        });
    };
    return CacheService;
}());
export { CacheService };
