/**
 * Copyright JS Foundation and other contributors, http://js.foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/

var should = require("should");
var request = require('supertest');
var express = require('express');
var sinon = require('sinon');
var when = require('when');
var bodyParser = require('body-parser');

var app = express();
var info = require("../../../../red/api/editor/settings");
var theme = require("../../../../red/api/editor/theme");

describe("api/editor/settings", function() {
    describe("settings handler", function() {
        before(function() {
            sinon.stub(theme,"settings",function() { return { test: 456 };});
            app = express();
            app.use(bodyParser.json());
            app.get("/settings",info.runtimeSettings);
            app.get("/settingsWithUser",function(req,res,next) {
                req.user = {
                    username: "nick",
                    permissions: "*",
                    image: "http://example.com",
                    anonymous: false,
                    private: "secret"
                }
                next();
            },info.runtimeSettings);
            app.get("/settings/user", info.userSettings);
            app.post("/settings/user", info.updateUserSettings);
        });

        after(function() {
            theme.settings.restore();
        });
        it('returns the filtered settings', function(done) {
            info.init({
                settings: {
                    foo: 123,
                    httpNodeRoot: "testHttpNodeRoot",
                    version: "testVersion",
                    paletteCategories :["red","blue","green"],
                    exportNodeSettings: function(obj) {
                        obj.testNodeSetting = "helloWorld";
                    }
                },
                nodes: {
                    paletteEditorEnabled: function() { return true; },
                    getCredentialKeyType: function() { return "test-key-type"},
                    listContextStores: function() { return {default: "foo", stores: ["foo","bar"]}}
                },
                log: { error: console.error },
                storage: {}
            });
            request(app)
                .get("/settings")
                .expect(200)
                .end(function(err,res) {
                    if (err) {
                        return done(err);
                    }
                    res.body.should.have.property("httpNodeRoot","testHttpNodeRoot");
                    res.body.should.have.property("version","testVersion");
                    res.body.should.have.property("context",{default: "foo", stores: ["foo","bar"]});
                    res.body.should.have.property("paletteCategories",["red","blue","green"]);
                    res.body.should.have.property("editorTheme",{test:456});
                    res.body.should.have.property("testNodeSetting","helloWorld");
                    res.body.should.not.have.property("foo",123);
                    res.body.should.have.property("flowEncryptionType","test-key-type");
                    res.body.should.not.have.property("user");
                    done();
                });
        });
        it('returns the filtered user in settings', function(done) {
            info.init({
                settings: {
                    foo: 123,
                    httpNodeRoot: "testHttpNodeRoot",
                    version: "testVersion",
                    paletteCategories :["red","blue","green"],
                    exportNodeSettings: function(obj) {
                        obj.testNodeSetting = "helloWorld";
                    }
                },
                nodes: {
                    paletteEditorEnabled: function() { return true; },
                    getCredentialKeyType: function() { return "test-key-type"},
                    listContextStores: function() { return {default: "foo", stores: ["foo","bar"]}}
                },
                log: { error: console.error },
                storage: {}
            });
            request(app)
                .get("/settingsWithUser")
                .expect(200)
                .end(function(err,res) {
                    if (err) {
                        return done(err);
                    }
                    res.body.should.have.property("user");
                    res.body.user.should.have.property("username","nick");
                    res.body.user.should.have.property("permissions","*");
                    res.body.user.should.have.property("image","http://example.com");
                    res.body.user.should.have.property("anonymous",false);
                    res.body.user.should.not.have.property("private");

                    done();
                });
        });
        it('returns user settings', function (done) {
            info.init({
                settings: {
                    getUserSettings: function () {
                        return {
                            "editor": {
                                "view": {
                                    "view-grid-size": "20",
                                    "view-node-status": true,
                                    "view-show-tips": true,
                                    "view-snap-grid": true,
                                    "view-show-grid": true
                                }
                            }
                        };
                    }
                }
            });
            request(app)
                .get("/settings/user")
                .expect(200)
                .end(function (err, res) {
                    if (err) {
                        return done(err);
                    }
                    res.body.should.have.property("editor");
                    res.body.editor.should.have.property("view");
                    res.body.editor.view.should.have.property("view-grid-size", "20");
                    res.body.editor.view.should.have.property("view-node-status", true);
                    res.body.editor.view.should.have.property("view-show-tips", true);
                    res.body.editor.view.should.have.property("view-snap-grid", true);
                    res.body.editor.view.should.have.property("view-show-grid", true);
                    done();
                });
        });
        it('sets user settings', function (done) {
            info.init({
                settings: {
                    getUserSettings: function () {
                        return {};
                    },
                    setUserSettings: function (username, currentSettings) {
                        currentSettings.should.have.property("editor");
                        currentSettings.editor.should.have.property("view");
                        currentSettings.editor.view.should.have.property("view-grid-size", "21");
                        currentSettings.editor.view.should.have.property("view-node-status", false);
                        currentSettings.editor.view.should.have.property("view-show-tips", false);
                        currentSettings.editor.view.should.have.property("view-snap-grid", false);
                        currentSettings.editor.view.should.have.property("view-show-grid", false);
                        return when.resolve();
                    }
                },
                log: {
                    audit: function () {}
                }
            });
            request(app)
                .post("/settings/user")
                .send({
                    "editor": {
                        "view": {
                            "view-grid-size": "21",
                            "view-node-status": false,
                            "view-show-tips": false,
                            "view-snap-grid": false,
                            "view-show-grid": false
                        }
                    }
                })
                .expect(204)
                .end(function (err, res) {
                    res.should.have.property("status");
                    res.status.should.equal(204);
                    res.should.have.property("text", "");
                    done();
                });
        });
        it('includes project settings if projects available', function(done) {
            info.init({
                settings: {
                    foo: 123,
                    httpNodeRoot: "testHttpNodeRoot",
                    version: "testVersion",
                    paletteCategories :["red","blue","green"],
                    exportNodeSettings: function(obj) {
                        obj.testNodeSetting = "helloWorld";
                    }
                },
                nodes: {
                    paletteEditorEnabled: function() { return true; },
                    getCredentialKeyType: function() { return "test-key-type"},
                    listContextStores: function() { return {default: "foo", stores: ["foo","bar"]}}
                },
                log: { error: console.error },
                storage: {
                    projects: {
                        getActiveProject: () => 'test-active-project',
                        getFlowFilename:  () => 'test-flow-file',
                        getCredentialsFilename:  () => 'test-creds-file',
                        getGlobalGitUser: () => {return {name:'foo',email:'foo@example.com'}}
                    }
                }
            });
            request(app)
                .get("/settings")
                .expect(200)
                .end(function(err,res) {
                    if (err) {
                        return done(err);
                    }
                    res.body.should.have.property("project","test-active-project");
                    res.body.should.not.have.property("files");
                    res.body.should.have.property("git");
                    res.body.git.should.have.property("globalUser",{name:'foo',email:'foo@example.com'});
                    done();
                });
        });
        it('includes existing files details if projects enabled but no active project and files exist', function(done) {
            info.init({
                settings: {
                    foo: 123,
                    httpNodeRoot: "testHttpNodeRoot",
                    version: "testVersion",
                    paletteCategories :["red","blue","green"],
                    exportNodeSettings: function(obj) {
                        obj.testNodeSetting = "helloWorld";
                    }
                },
                nodes: {
                    paletteEditorEnabled: function() { return true; },
                    getCredentialKeyType: function() { return "test-key-type"},
                    listContextStores: function() { return {default: "foo", stores: ["foo","bar"]}}
                },
                log: { error: console.error },
                storage: {
                    projects: {
                        flowFileExists: () => true,
                        getActiveProject: () => false,
                        getFlowFilename:  () => 'test-flow-file',
                        getCredentialsFilename:  () => 'test-creds-file',
                        getGlobalGitUser: () => {return {name:'foo',email:'foo@example.com'}}
                    }
                }
            });
            request(app)
                .get("/settings")
                .expect(200)
                .end(function(err,res) {
                    if (err) {
                        return done(err);
                    }
                    res.body.should.not.have.property("project");
                    res.body.should.have.property("files");
                    res.body.files.should.have.property("flow",'test-flow-file');
                    res.body.files.should.have.property("credentials",'test-creds-file');
                    res.body.should.have.property("git");
                    res.body.git.should.have.property("globalUser",{name:'foo',email:'foo@example.com'});
                    done();
                });
        });
        it('does not include file details if projects enabled but no active project and files do not exist', function(done) {
            info.init({
                settings: {
                    foo: 123,
                    httpNodeRoot: "testHttpNodeRoot",
                    version: "testVersion",
                    paletteCategories :["red","blue","green"],
                    exportNodeSettings: function(obj) {
                        obj.testNodeSetting = "helloWorld";
                    }
                },
                nodes: {
                    paletteEditorEnabled: function() { return true; },
                    getCredentialKeyType: function() { return "test-key-type"},
                    listContextStores: function() { return {default: "foo", stores: ["foo","bar"]}}
                },
                log: { error: console.error },
                storage: {
                    projects: {
                        flowFileExists: () => false,
                        getActiveProject: () => false,
                        getFlowFilename:  () => 'test-flow-file',
                        getCredentialsFilename:  () => 'test-creds-file',
                        getGlobalGitUser: () => {return {name:'foo',email:'foo@example.com'}}
                    }
                }
            });
            request(app)
                .get("/settings")
                .expect(200)
                .end(function(err,res) {
                    if (err) {
                        return done(err);
                    }
                    res.body.should.not.have.property("project");
                    res.body.should.not.have.property("files");
                    res.body.should.have.property("git");
                    res.body.git.should.have.property("globalUser",{name:'foo',email:'foo@example.com'});
                    done();
                });
        });
        it('overrides palette editable if runtime says it is disabled', function(done) {
            info.init({
                settings: {
                    httpNodeRoot: "testHttpNodeRoot",
                    version: "testVersion",
                    paletteCategories :["red","blue","green"],
                    exportNodeSettings: function() {}
                },
                nodes: {
                    paletteEditorEnabled: function() { return false; },
                    getCredentialKeyType: function() { return "test-key-type"},
                    listContextStores: function() { return {default: "foo", stores: ["foo","bar"]}}
                },
                log: { error: console.error },
                storage: {}

            });
            request(app)
                .get("/settings")
                .expect(200)
                .end(function(err,res) {
                    if (err) {
                        return done(err);
                    }
                    res.body.should.have.property("httpNodeRoot","testHttpNodeRoot");
                    res.body.should.have.property("version","testVersion");
                    res.body.should.have.property("paletteCategories",["red","blue","green"]);
                    res.body.should.have.property("editorTheme");
                    res.body.editorTheme.should.have.property("test",456);

                    res.body.editorTheme.should.have.property("palette",{editable:false});
                    done();
                });
        });
    });

});