Ext.define('saas.view.help.DocItemPanelController', {
    extend: 'Ext.app.ViewController',
    alias: 'controller.help-docitem-panel',

    onViewReady: function () {
        var me = this, view = me.getView();
        me.getProjectDetail(view.initId);
    },
    getProjectDetail: function (id) {
        var me = this,
            view = me.getView(),
            vm = me.getViewModel();
        view.mask();
        Ext.Ajax.promise({
            url: '/api/help/project/read/' + id
        }).then(res => {
            view.unmask();
            var project = res.data;
            vm.getStore('treeStore').transformAndLoad(project.items);
            delete project.items;
            vm.set('project', project);
        });
    },
    /**
     * 查看文档
     */
    handleViewArticle: function () {
        var me = this, vm = me.getViewModel(),
            article = vm.get('article');
        window.open(Ext.manifest.client.help + '/doc/' + article.projectCode + '/' + article.itemCode);
    },
    /**
     * 保存文档
     */
    handleSaveArticle: function () {
        var me = this, view = me.getView(), vm = me.getViewModel(),
            data = vm.get('article');
        view.mask('正在保存');
        Ext.Ajax.payload({
            url: '/api/help/article/save',
            jsonData: data
        }).then(function (res) {
            view.unmask();
            if (res.success) {
                saas.util.BaseUtil.showSuccessToast('保存成功');
            }
        }).catch(function (e) {
            view.unmask();
            saas.util.BaseUtil.showErrorToast('保存失败: ' + e.message);
        });
    },
    handleCreateFolder: function (menuitem) {
        this.doCreateItem(menuitem.ownerCt.record, false);
    },
    handleCreateItem: function (menuitem) {
        this.doCreateItem(menuitem.ownerCt.record, true);
    },
    doCreateItem: function (parent, isArticle) {
        var me = this, vm = me.getViewModel(), projectId = vm.get('project.id'),
            store = vm.getStore('treeStore'),
            root = store.getRoot(),
            parentId = parent ? parent.get('raw').id : null,
            lastChild = (parent || root).lastChild,
            orderNum = lastChild ? (lastChild.get('raw').orderNum + 1) : 1;
        me.showItemWindow({
            article: isArticle,
            projectId,
            parentId,
            orderNum
        }, null, parent);
    },
    handleEditItem: function (menuitem) {
        var me = this, record = menuitem.ownerCt.record;
        me.showItemWindow(record.get('raw'), record);
    },
    /**
     * 目录编辑窗口
     * @param {*} item   目录
     * @param {*} node 目录对应树节点
     * @param {*} parentNode 目录上级文件夹对应树节点
     */
    showItemWindow: function (item, node, parentNode) {
        var me = this, vm = me.getViewModel(),
            store = vm.getStore('treeStore');
        var panel = Ext.create({
            xtype: 'help-docitem-win',
            modal: true,
            autoShow: true,
            onConfirm: function (data) {
                me.saveItem(data).then(res => {
                    data = res.data;
                    if (node) {
                        node.set('raw', data);
                        node.set('text', data.name);
                        if (item.id == vm.get('article.id')) {
                            vm.set('article.itemCode', data.code);
                            vm.set('article.itemName', data.name);
                            vm.set('articlePath', node.getPath('text').replace('/Root', ''));
                        }
                    } else {
                        if (!parentNode) {
                            parentNode = store.getRoot();
                        }
                        parentNode.appendChild(store.itemMapper(data));
                        parentNode.expand();
                    }
                });
            }
        });
        panel.loadData(item);
    },
    /**
     * 保存目录
     * @param {*} data 
     */
    saveItem: function (data) {
        var me = this, view = me.getView();
        view.mask('正在保存');
        return Ext.Ajax.payload({
            url: '/api/help/project_item/save',
            jsonData: data
        }).then(function (res) {
            view.unmask();
            if (res.success) {
                saas.util.BaseUtil.showSuccessToast('保存成功');
                return res;
            }
        }).catch(function (e) {
            view.unmask();
            saas.util.BaseUtil.showErrorToast('保存失败: ' + e.message);
        });
    },
    /**
     * 删除目录
     * @param {*} menuitem 
     */
    handleDeleteItem: function (menuitem) {
        var me = this, view = me.getView(), vm = me.getViewModel(),
            record = menuitem.ownerCt.record,
            id = record.get('raw').id;
        view.mask('正在删除');
        Ext.Ajax.form({
            url: '/api/help/project_item/delete/' + id
        }).then(function (res) {
            view.unmask();
            if (res.success) {
                saas.util.BaseUtil.showSuccessToast('删除成功');
                record.remove();
                if (vm.get('article.id') == id) {
                    vm.set('article', null);
                    vm.set('articlePath', null);
                }
            }
        }).catch(function (e) {
            view.unmask();
            saas.util.BaseUtil.showErrorToast('删除失败: ' + e.message);
        });
    },
    /**
     * 点击树节点打开文档
     * @param {*} selModel 
     * @param {*} selected 
     */
    onItemSelect: function (selModel, selected) {
        if (selected.length) {
            var record = selModel.lastSelected, raw = record.get('raw');
            if (raw.article) {
                var me = this, vm = me.getViewModel(), project = vm.get('project');
                me.getArticle(raw.id).then(res => {
                    var article = res.data || {
                        id: raw.id,
                        projectCode: project.code,
                        itemCode: raw.code,
                        itemName: raw.name
                    };
                    vm.set('article', article);
                    vm.set('articlePath', record.getPath('text').replace('/Root', ''));
                });
            }
        }
    },
    /**
     * 查找文档
     * @param {*} id 
     */
    getArticle: function (id) {
        var me = this, view = me.getView();
        view.mask('加载中');
        return Ext.Ajax.promise({
            url: '/api/help/article/read/' + id
        }).then(function (res) {
            view.unmask();
            if (res.success) {
                return res;
            }
        }).catch(function (e) {
            view.unmask();
            saas.util.BaseUtil.showErrorToast(e.message);
        });
    },
    /**
     * 拖拽改变目录顺序、所属文件夹
     * @param {*} el 
     * @param {*} data 
     * @param {*} over 
     * @param {*} position 
     * @param {*} e 
     */
    onItemDragDrop: function (el, data, over, position, e) {
        var dropData = data.records[0].get('raw'),
            overData = over.get('raw'),
            orderNum, parentId, parent, updates = [];
        if (position == 'before') {
            orderNum = overData.orderNum;
            parentId = overData.parentId;
            parent = over.parentNode;
        } else if (position == 'after') {
            orderNum = overData.orderNum + 1;
            parentId = overData.parentId;
            parent = over.parentNode;
        } else if (position == 'append') {
            orderNum = over.lastChild ? (over.lastChild.get('raw').orderNum + 1) : 1;
            parentId = overData.id;
            parent = over;
        }
        dropData.orderNum = orderNum;
        dropData.parentId = parentId;
        updates.push(dropData);
        parent.eachChild(child => {
            var raw = child.get('raw');
            if (raw.id != dropData.id && raw.orderNum >= dropData.orderNum) {
                raw.orderNum++;
                updates.push(raw);
            }
        });
        this.batchSaveItem(updates);
    },
    /**
     * 批量保存目录
     * @param {*} data 
     */
    batchSaveItem: function (data) {
        var me = this, view = me.getView();
        view.mask('正在保存');
        return Ext.Ajax.payload({
            url: '/api/help/project_item/batch_save',
            jsonData: data
        }).then(function (res) {
            view.unmask();
            if (res.success) {
                saas.util.BaseUtil.showSuccessToast('保存成功');
                return res;
            }
        }).catch(function (e) {
            view.unmask();
            saas.util.BaseUtil.showErrorToast('保存失败: ' + e.message);
        });
    },
});