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 (g && (g = 0, op[0] && (_ = 0)), _) 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 };
    }
};
/**
 * 预加载静态资源, 调用后会一次性加载除媒体文件以外的远程资源,并生成必要的纹理缓存
 * 创建 Slide 对象时需要设置 useLocalCache 参数 为 true
 * @param taskId 任务 id
 * @param prefix 任务进度 api 返回的资源前缀
 * @param resourceOnly boolean 类型
 * @param onProgress 加载进度回调函数
 */
import { Slide } from "./Slide";
export function preloadResource(taskId, prefix, maxResolutionLevel, onProgress, pages) {
    return __awaiter(this, void 0, void 0, function () {
        var div, slide, slideCount, uniquePages, i, pageNumber, i, e_1;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    div = document.createElement("div");
                    slide = new Slide({
                        anchor: div,
                        renderOptions: {
                            minFPS: 1,
                            maxFPS: 1,
                            resolution: 1,
                            maxResolutionLevel: maxResolutionLevel,
                            forceCanvas: true,
                        },
                        mode: "local",
                        interactive: false,
                        useLocalCache: true,
                    });
                    slide.setResource(taskId, prefix);
                    return [4 /*yield*/, slide.getSlideCountAsync()];
                case 1:
                    slideCount = _a.sent();
                    _a.label = 2;
                case 2:
                    _a.trys.push([2, 12, 13, 14]);
                    if (!(pages && pages.length > 0)) return [3 /*break*/, 7];
                    uniquePages = pages.filter(function (item, index) { return pages.indexOf(item) === index; });
                    i = 0;
                    _a.label = 3;
                case 3:
                    if (!(i < uniquePages.length)) return [3 /*break*/, 6];
                    pageNumber = uniquePages[i];
                    if (!(pageNumber > 0 && pageNumber <= slideCount)) return [3 /*break*/, 5];
                    // @ts-ignore
                    return [4 /*yield*/, slide.player.stagePool.preload(pageNumber, true)];
                case 4:
                    // @ts-ignore
                    _a.sent();
                    onProgress(Math.round(((i + 1) / uniquePages.length) * 100) / 100);
                    _a.label = 5;
                case 5:
                    i++;
                    return [3 /*break*/, 3];
                case 6: return [3 /*break*/, 11];
                case 7:
                    i = 1;
                    _a.label = 8;
                case 8:
                    if (!(i <= slideCount)) return [3 /*break*/, 11];
                    // @ts-ignore
                    return [4 /*yield*/, slide.player.stagePool.preload(i, true)];
                case 9:
                    // @ts-ignore
                    _a.sent();
                    onProgress(Math.round((i / slideCount) * 100) / 100);
                    _a.label = 10;
                case 10:
                    i++;
                    return [3 /*break*/, 8];
                case 11: return [3 /*break*/, 14];
                case 12:
                    e_1 = _a.sent();
                    throw e_1;
                case 13:
                    slide.destroy();
                    return [7 /*endfinally*/];
                case 14: return [2 /*return*/];
            }
        });
    });
}
