"use strict";
exports.__esModule = true;
exports.filterCacheChildren = void 0;
var childrenBuilder_1 = require("./childrenBuilder");
var util_1 = require("./util");
var CacheViewModel = /** @class */ (function () {
    function CacheViewModel(row, life, result) {
        this.row = row;
        this.life = life;
        this.result = result;
        this.once = new util_1.OnceInitDestry();
    }
    CacheViewModel.prototype.init = function () {
        this.once.init();
        this.resultDestroy = (0, util_1.orRun)(this.result);
    };
    CacheViewModel.prototype.destroy = function () {
        this.once.destroy();
        this.life.destroy();
        (0, util_1.orRun)(this.resultDestroy);
    };
    return CacheViewModel;
}());
/**
 * 有缓存mvc
 * @param array
 * @param fun
 * @returns
 */
function filterCacheChildren(array, fun) {
    return function (parent, me) {
        var views = [];
        var life = (0, util_1.onceLife)(function () {
            var size = views.length;
            for (var i = 0; i < size; i++) {
                views[i].init();
            }
            return function () {
                var size = views.length;
                for (var i = size - 1; i > -1; i--) {
                    views[i].destroy();
                }
                views.length = 0;
                w.disable();
            };
        });
        var w = util_1.Watcher.ofAfter(array, function (vs) {
            if (vs.length < views.length) {
                //更新旧数据视图
                for (var i = 0; i < vs.length; i++) {
                    views[i].row(vs[i]);
                }
                var minLength = vs.length - 1;
                for (var i = views.length - 1; i > minLength; i--) {
                    //销毁
                    if (life.isInit) {
                        views[i].destroy();
                    }
                    //删除视图
                    parent.remove(i);
                }
                views.length = vs.length;
            }
            else {
                //更新旧数据
                for (var i = 0; i < views.length; i++) {
                    views[i].row(vs[i]);
                }
                //追加新数据
                for (var i = views.length; i < vs.length; i++) {
                    var row = util_1.mve.valueOf(vs[i]);
                    var lifeModel = (0, util_1.newLifeModel)();
                    //创建视图
                    var vm = parent.newChildAt(i);
                    var cs = fun(lifeModel.me, row, i);
                    var vx = (0, childrenBuilder_1.baseChildrenBuilder)(lifeModel.me, cs, vm);
                    var cv = new CacheViewModel(row, lifeModel, vx);
                    //模型增加
                    views.push(cv);
                    //初始化
                    if (life.isInit) {
                        cv.init();
                    }
                }
            }
        });
        return life.init;
    };
}
exports.filterCacheChildren = filterCacheChildren;