import { __awaiter, __generator } from "tslib";
import { useMemo, useState } from 'functional-mini/compat';
import { useComponent, useEvent } from 'functional-mini/component';
import { mountComponent } from '../_util/component';
import { useEvent as useStableCallback } from '../_util/hooks/useEvent';
import { getInstanceBoundingClientRect } from '../_util/jsapi/get-instance-bounding-client-rect';
import { PaginationDefaultProps } from './props';
var Pagination = function () {
    var componentInstance = useComponent();
    var _a = useState(0), pageDeg = _a[0], setPageDeg = _a[1];
    function getInstance() {
        if (componentInstance.$id) {
            return my;
        }
        return componentInstance;
    }
    var clacWidth = useStableCallback(function () { return __awaiter(void 0, void 0, void 0, function () {
        var instance, rect;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    instance = getInstance();
                    return [4 /*yield*/, getInstanceBoundingClientRect(getInstance(), "#ant-pageInfinite-".concat(instance.$id ? "-".concat(instance.$id) : ''))];
                case 1:
                    rect = _a.sent();
                    if (rect) {
                        return [2 /*return*/, rect.width];
                    }
                    return [2 /*return*/, 0];
            }
        });
    }); });
    useEvent('onScroll', function (e) { return __awaiter(void 0, void 0, void 0, function () {
        var _a, scrollLeft, scrollWidth, viewWidth;
        return __generator(this, function (_b) {
            switch (_b.label) {
                case 0:
                    _a = e.detail, scrollLeft = _a.scrollLeft, scrollWidth = _a.scrollWidth;
                    return [4 /*yield*/, clacWidth()];
                case 1:
                    viewWidth = _b.sent();
                    if (viewWidth) {
                        setPageDeg(Math.ceil((scrollLeft / (scrollWidth - viewWidth)) * 100));
                    }
                    return [2 /*return*/];
            }
        });
    }); });
    var supportSjs = useMemo(function () {
        if (typeof my === 'undefined') {
            return true;
        }
        return my.canIUse('sjs.event');
    }, []);
    return {
        pageDeg: pageDeg,
        supportSjs: supportSjs,
    };
};
mountComponent(Pagination, PaginationDefaultProps);