const predefined = {
    'crud': {
        type: "crud",
        draggable: true,
        api: "/api/sample",
        syncLocation: false,
        filter: {
            title: "条件搜索",
            submitText: "",
            controls: [
                {
                    type: "text",
                    name: "keywords",
                    placeholder: "通过关键字搜索",
                    addOn: {
                        label: "搜索",
                        type: "submit"
                    }
                },
                {
                    type: "plain",
                    text: "这里的表单项可以配置多个"
                }
            ]
        },
        bulkActions: [
            {
                label: "批量删除",
                actionType: "ajax",
                api: "delete:/api/sample/$ids",
                confirmText: "确定要批量删除?"
            },
            {
                label: "批量修改",
                actionType: "dialog",
                dialog: {
                    title: "批量编辑",
                    name: "sample-bulk-edit",
                    body: {
                        type: "form",
                        api: "/api/sample/bulkUpdate2",
                        controls: [
                            {
                                type: 'hidden',
                                name: 'ids'
                            },
                            {
                                type: "text",
                                name: "engine",
                                label: "Engine"
                            }
                        ]
                    }
                }
            }
        ],
        quickSaveApi: "/api/sample/bulkUpdate",
        quickSaveItemApi: "/api/sample/$id",
        columns: [
            {
                name: "id",
                label: "ID",
                width: 20,
                sortable: true,
                type: "text",
                toggled: true
            },
            {
                name: "engine",
                label: "Rendering engine",
                sortable: true,
                searchable: true,
                type: "text",
                toggled: true
            },
            {
                name: "browser",
                label: "Browser",
                sortable: true,
                type: "text",
                toggled: true
            },
            {
                name: "platform",
                label: "Platform(s)",
                sortable: true,
                type: "text",
                toggled: true
            },
            {
                name: "version",
                label: "Engine version",
                quickEdit: true,
                type: "text",
                toggled: true
            },
            {
                name: "grade",
                label: "CSS grade",
                quickEdit: {
                    mode: "inline",
                    type: "select",
                    options: ["A", "B", "C", "D", "X"],
                    saveImmediately: true
                },
                type: "text",
                toggled: true
            },
            {
                type: "operation",
                label: "操作",
                width: 130,
                buttons: [
                    {
                        type: "button",
                        icon: "fa fa-eye",
                        actionType: "dialog",
                        dialog: {
                            title: "查看",
                            body: {
                                type: "form",
                                controls: [
                                    {
                                        type: "static",
                                        name: "engine",
                                        label: "Engine"
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "static",
                                        name: "browser",
                                        label: "Browser"
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "static",
                                        name: "platform",
                                        label: "Platform(s)"
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "static",
                                        name: "version",
                                        label: "Engine version"
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "static",
                                        name: "grade",
                                        label: "CSS grade"
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "html",
                                        html:
                                        "<p>添加其他 <span>Html 片段</span> 需要支持变量替换（todo）.</p>"
                                    }
                                ]
                            }
                        }
                    },
                    {
                        type: "button",
                        icon: "fa fa-pencil",
                        actionType: "dialog",
                        dialog: {
                            title: "编辑",
                            body: {
                                type: "form",
                                name: "sample-edit-form",
                                api: "/api/sample/$id",
                                controls: [
                                    {
                                        type: "text",
                                        name: "engine",
                                        label: "Engine",
                                        required: true
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "text",
                                        name: "browser",
                                        label: "Browser",
                                        required: true
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "text",
                                        name: "platform",
                                        label: "Platform(s)",
                                        required: true
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "text",
                                        name: "version",
                                        label: "Engine version"
                                    },
                                    {
                                        type: "divider"
                                    },
                                    {
                                        type: "text",
                                        name: "grade",
                                        label: "CSS grade"
                                    }
                                ]
                            }
                        }
                    },
                    {
                        type: "button",
                        icon: "fa fa-times text-danger",
                        actionType: "ajax",
                        confirmText: "您确认要删除?",
                        api: "delete:/api/sample/$id"
                    }
                ],
                toggled: true
            }
        ]
    },

    form: {
        type: "form",
        api: "/api/form/saveForm?waitSeconds=2",
        title: "常规模式",
        mode: "normal",
        controls: [
            {
                type: "email",
                name: "email",
                required: true,
                placeholder: "请输入邮箱",
                label: "邮箱"
            },
            {
                type: "password",
                name: "password",
                label: "密码",
                required: true,
                placeholder: "请输入密码"
            },
            {
                type: "checkbox",
                name: "rememberMe",
                label: "记住登录"
            },
            {
                type: "submit",
                btnClassName: "btn-default",
                label: "登录"
            }
        ]
    },

    tabs: {
        type: 'tabs',
        tabs: [
            {
                title: 'TabA',
                body: '卡片A内容'
            },

            {
                title: 'TabB',
                body: '卡片B内容'
            }
        ]
    },
    controls: {
        controls: [
            {
                "label": "名称",
                "type": "text",
                "labelClassName": "text-muted",
                "name": "name"
            },
            {
                "label": "作者",
                "type": "text",
                "labelClassName": "text-muted",
                "name": "author"
            },
            {
                "label": "请求时间",
                "type": "datetime",
                "labelClassName": "text-muted",
                "name": "date"
            }
        ]
    }
};

module.exports = function(req, res) {
    const type = req.query.type;

    if (predefined[type]) {
        return res.json({
            status: 0,
            msg: '',
            data: predefined[type]
        });
    }

    else {
        return res.json({
            status: 404,
            msg: 'Not Found'
        });
    }
}