/* jslint node:true */
/* global it:false */
/* global describe:false */
/* global before:false */
/* global after:false */

'use strict';

var accesscontrol = require('../../accesscontrol.js'),
    async = require('async'),
    config = require('../../config.js'),
    database = require('../../database.js'),
    expect = require('expect.js'),
    groups = require('../../groups.js'),
    superagent = require('superagent'),
    server = require('../../server.js'),
    tokendb = require('../../tokendb.js');

var SERVER_URL = 'http://localhost:' + config.get('port');

var USERNAME = 'superadmin', PASSWORD = 'Foobar?1337', EMAIL ='silly@me.com';
var USERNAME_1 = 'user', PASSWORD_1 = 'Foobar?1337', EMAIL_1 ='happy@me.com';
var token, token_1 = null;
var userId, userId_1 = null;

var GROUP_NAME = 'externals';
var groupObject;

function setup(done) {
    config._reset();
    config.setFqdn('example-groups-test.com');

    async.series([
        server.start.bind(server),

        database._clear,

        function createAdmin(callback) {
            superagent.post(SERVER_URL + '/api/v1/cloudron/activate')
                .query({ setupToken: 'somesetuptoken' })
                .send({ username: USERNAME, password: PASSWORD, email: EMAIL })
                .end(function (error, result) {
                    expect(result).to.be.ok();
                    expect(result.statusCode).to.eql(201);

                    // stash token for further use
                    token = result.body.token;

                    superagent.get(SERVER_URL + '/api/v1/profile')
                        .query({ access_token: token })
                        .end(function (error, result) {
                            expect(result).to.be.ok();
                            expect(result.statusCode).to.eql(200);

                            userId = result.body.id;

                            callback();
                        });
                });
        },
        function (callback) {
            superagent.post(SERVER_URL + '/api/v1/users')
                .query({ access_token: token })
                .send({ username: USERNAME_1, email: EMAIL_1, invite: false })
                .end(function (error, result) {
                    expect(result).to.be.ok();
                    expect(result.statusCode).to.eql(201);

                    token_1 = tokendb.generateToken();
                    userId_1 = result.body.id;

                    // HACK to get a token for second user (passwords are generated and the user should have gotten a password setup link...)
                    tokendb.add(token_1, userId_1, 'test-client-id',  Date.now() + 100000, accesscontrol.SCOPE_PROFILE, callback);
                });
        }
    ], done);
}

function cleanup(done) {
    database._clear(function (error) {
        expect(!error).to.be.ok();

        server.stop(done);
    });
}

describe('Groups API', function () {
    before(setup);
    after(cleanup);

    describe('list', function () {
        it('cannot get groups without token', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups')
                .end(function (err, res) {
                    expect(res.statusCode).to.equal(401);
                    done();
                });
        });

        it('cannot get groups as normal user', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups')
                .query({ access_token: token_1 })
                .end(function (err, res) {
                    expect(res.statusCode).to.equal(403);
                    done();
                });
        });

        it('can get groups', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups')
                .query({ access_token: token })
                .end(function (err, res) {
                    expect(res.statusCode).to.equal(200);
                    expect(res.body.groups).to.be.an(Array);
                    expect(res.body.groups.length).to.be(1);
                    expect(res.body.groups[0].name).to.eql('admin');
                    expect(res.body.groups[0].userIds).to.be.an(Array);
                    expect(res.body.groups[0].userIds.length).to.be(1);
                    expect(res.body.groups[0].userIds[0]).to.be(userId);
                    done();
                });
        });
    });

    describe('create', function () {
        it('fails due to mising token', function (done) {
            superagent.post(SERVER_URL + '/api/v1/groups')
                .send({ name: GROUP_NAME})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(401);
                    done();
                });
        });

        it('succeeds', function (done) {
            superagent.post(SERVER_URL + '/api/v1/groups')
                .query({ access_token: token })
                .send({ name: GROUP_NAME})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(201);
                    groupObject = result.body;
                    done();
                });
        });

        it('fails for already exists', function (done) {
            superagent.post(SERVER_URL + '/api/v1/groups')
                .query({ access_token: token })
                .send({ name: GROUP_NAME})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(409);
                    done();
                });
        });
    });

    describe('Roles', function () {
        it('can set roles', function (done) {
            superagent.put(SERVER_URL + '/api/v1/groups/' + groupObject.id + '/roles')
                .query({ access_token: token })
                .send({ roles: [ accesscontrol.ROLE_OWNER ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(200);
                    done();
                });
        });

        it('fails with invalid roles', function (done) {
            superagent.put(SERVER_URL + '/api/v1/groups/' + groupObject.id + '/roles')
                .query({ access_token: token })
                .send({ roles: [ 'bogus' ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(400);
                    done();
                });
        });

        it('can get roles', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups/' + groupObject.id)
                .query({ access_token: token })
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(200);
                    expect(result.body.roles).to.eql([ accesscontrol.ROLE_OWNER ]);
                    done();
                });
        });
    });

    describe('get', function () {
        it('cannot get non-existing group', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups/nope')
                .query({ access_token: token })
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(404);
                    done();
                });
        });

        it('cannot get existing group with normal user', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups/admin')
                .query({ access_token: token_1 })
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(403);
                    done();
                });
        });

        it('can get existing group', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups/admin')
                .query({ access_token: token })
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(200);
                    expect(result.body.name).to.be('admin');
                    expect(result.body.userIds.length).to.be(1);
                    expect(result.body.userIds[0]).to.be(userId);
                    done();
                });
        });
    });

    describe('remove', function () {
        it('cannot remove without token', function (done) {
            superagent.del(SERVER_URL + '/api/v1/groups/externals')
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(401);
                    done();
                });
        });

        it('can remove empty group', function (done) {
            superagent.del(SERVER_URL + '/api/v1/groups/' + groupObject.id)
                .send({ password: PASSWORD })
                .query({ access_token: token })
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(204);
                    done();
                });
        });

        it('cannot remove non-empty group', function (done) {
            superagent.del(SERVER_URL + '/api/v1/groups/admin')
                .send({ password: PASSWORD })
                .query({ access_token: token })
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(409);
                    done();
                });
        });
    });

    describe('Set groups', function () {
        var group0Object, group1Object;
        before(function (done) {
            groups.create('group0', [ ], function (e, r) {
                group0Object = r;
                groups.create('group1', [ ], function (e, r) {
                    group1Object = r;
                    done();
                });
            });
        });

        it('cannot add user to invalid group', function (done) {
            superagent.put(SERVER_URL + '/api/v1/users/' + userId + '/groups')
                .query({ access_token: token })
                .send({ groupIds: [ 'admin', 'something' ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(404);
                    done();
                });
        });

        it('can add user to valid group', function (done) {
            superagent.put(SERVER_URL + '/api/v1/users/' + userId + '/groups')
                .query({ access_token: token })
                .send({ groupIds: [ 'admin', group0Object.id, group1Object.id ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(204);
                    done();
                });
        });

        it('cannot remove self from admin', function (done) {
            superagent.put(SERVER_URL + '/api/v1/users/' + userId + '/groups')
                .query({ access_token: token })
                .send({ groupIds: [ group0Object.id, group1Object.id ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(409); // not allowed
                    done();
                });
        });

        it('can add another user to admin', function (done) {
            superagent.put(SERVER_URL + '/api/v1/users/' + userId_1 + '/groups')
                .query({ access_token: token })
                .send({ groupIds: [ 'admin' ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(204);
                    done();
                });
        });

        it('lists members of admin group', function (done) {
            superagent.get(SERVER_URL + '/api/v1/groups/admin')
                .query({ access_token: token })
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(200);
                    expect(result.body.userIds.length).to.be(2);
                    expect(result.body.userIds[0]).to.be(userId);
                    expect(result.body.userIds[1]).to.be(userId_1);
                    done();
                });
        });

        it('can add user_1 to admin', function (done) {
            superagent.put(SERVER_URL + '/api/v1/users/' + userId_1 + '/groups')
                .query({ access_token: token })
                .send({ groupIds: [ 'admin' ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(204);

                    token_1 = tokendb.generateToken();

                    // HACK to get a token for second user (passwords are generated and the user should have gotten a password setup link...)
                    tokendb.add(token_1, userId_1, 'test-client-id',  Date.now() + 100000, 'users', done);
                });
        });

        it('remove activation user from admin', function (done) {
            superagent.put(SERVER_URL + '/api/v1/users/' + userId + '/groups')
                .query({ access_token: token_1 })
                .send({ groupIds: [ group1Object.id, group0Object.id ]})
                .end(function (error, result) {
                    expect(result.statusCode).to.equal(204); // user_1 is still admin, so we can remove the other person
                    done();
                });
        });
    });
});