/* global it:false */
/* global describe:false */
/* global before:false */
/* global after:false */

'use strict';

const BoxError = require('../boxerror.js'),
    common = require('./common.js'),
    expect = require('expect.js'),
    safe = require('safetydance'),
    speakeasy = require('speakeasy'),
    users = require('../users.js'),
    _ = require('underscore');

describe('User', function () {
    const { domainSetup, cleanup, admin, user, auditSource, checkMails, clearMailQueue } = common;

    async function cleanupUsers() {
        for (const u of await users.list()) {
            await users.del(u, auditSource);
        }
    }

    async function createOwner() {
        await cleanupUsers();

        const id = await users.add(admin.email, admin, auditSource);
        admin.id = id;
    }

    before(domainSetup);
    after(cleanup);

    function checkUser(a, b) {
        expect(a.creationTime).to.be.a(Date);
        expect(a.resetTokenCreationTime).to.be.a(Date);

        const fields = [ 'id', 'username', 'email', 'fallbackEmail', 'role', 'displayName', 'source', 'permissions', 'active' ];

        expect(_.pick(a, fields)).to.be.eql(_.pick(b, fields));
    }

    describe('add', function () {
        it('fails due to short password', async function () {
            const user = Object.assign({}, admin, { password: 'Fo$%23' });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('fails due to reserved username', async function () {
            const user = Object.assign({}, admin, { username: 'admin' });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('fails due to invalid username', async function () {
            const user = Object.assign({}, admin, { username: 'moo+daemon' });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('fails due to empty username', async function () {
            const user = Object.assign({}, admin, { username: '' });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('fails due to long username', async function () {
            const user = Object.assign({}, admin, { username: new Array(257).fill('Z').join('') });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('fails due to reserved app pattern', async function () {
            const user = Object.assign({}, admin, { username: 'maybe.app' });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('fails because password is empty', async function () {
            const user = Object.assign({}, admin, { password: '' });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('fails because fallbackEmail is not an email', async function () {
            const user = Object.assign({}, admin, { fallbackEmail: 'notanemail' });
            const [error] = await safe(users.add(user.email, user, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('can add user', async function () {
            const id = await users.add(admin.email, admin, auditSource);
            admin.id = id;
        });

        it('cannot add user with same email again', async function () {
            const [error] = await safe(users.add(admin.email, admin, auditSource));
            expect(error.reason).to.be(BoxError.ALREADY_EXISTS);
            expect(error.message).to.equal('email already exists');
        });

        it('cannot add user with same username again', async function () {
            const [error] = await safe(users.add('somethingelse@not.taken', admin, auditSource));
            expect(error.reason).to.be(BoxError.ALREADY_EXISTS);
            expect(error.message).to.equal('username already exists');
        });
    });

    describe('getters', function () {
        before(cleanupUsers);

        it('cannot get by bad user id', async function () {
            const result = await users.get('random');
            expect(result).to.be(null);
        });

        it('fails because there is no owner', async function () {
            const owner = await users.getOwner();
            expect(owner).to.be(null);
        });

        it('getOwner succeeds', async function () {
            const id = await users.add(admin.email, admin, auditSource);
            admin.id = id;
            const owner = await users.getOwner();
            checkUser(owner, admin);
        });

        it('can get by user id', async function () {
            const result = await users.get(admin.id);
            checkUser(result, admin);
        });

        it('can get by username', async function () {
            const result = await users.getByUsername(admin.username);
            checkUser(result, admin);
        });

        it('can get by email', async function () {
            const result = await users.getByEmail(admin.email);
            checkUser(result, admin);
        });

        it('add another admin', async function () {
            const result = await users.add(user.email, user, auditSource);
            user.id = result;
            await users.update(user, { role: users.ROLE_ADMIN }, auditSource);
            user.role = users.ROLE_ADMIN;
        });

        it('getSuperadmins succeeds', async function () {
            const results = await users.getSuperadmins();
            expect(results.length).to.be(1);
            checkUser(results[0], admin);
        });

        it('getAdmins succeeds', async function () {
            const results = await users.getAdmins();
            expect(results.length).to.be(2);
            checkUser(results[0], admin); // owner is always the first
            checkUser(results[1], user);
        });

        it('getByResetToken fails for empty resetToken', async function () {
            const [error] = await safe(users.getByResetToken(''));
            expect(error.reason).to.be(BoxError.BAD_FIELD);
        });

        it('getByResetToken fails for bad resetToken', async function () {
            const result = await users.getByResetToken(new Array(64).fill('Z').join(''));
            expect(result).to.be(null);
        });

        it('can get by resetToken', async function () {
            user.resetToken = new Array(64).fill('X').join('');
            await users.update(user, { resetToken: user.resetToken }, auditSource);
            const result = await users.getByResetToken(user.resetToken);
            checkUser(result, user);
        });

        it('can list', async function () {
            const results = await users.list();
            expect(results.length).to.be(2);
            checkUser(results[0], admin);
            checkUser(results[1], user);
        });

        it('can listPaged', async function () {
            let results = await users.listPaged(null, null, 1, 1);
            expect(results.length).to.be(1);
            checkUser(results[0], admin);

            results = await users.listPaged(null, null, 2, 1);
            expect(results.length).to.be(1);
            checkUser(results[0], user);
        });

        it('can listPaged (search)', async function () {
            const results = await users.listPaged(admin.email.slice(0, 8), null, 1, 1);
            expect(results.length).to.be(1);
            checkUser(results[0], admin);
        });
    });

    describe('update', function () {
        before(createOwner);

        it('fails due to unknown userid', async function () {
            const user = Object.assign({}, admin, { id: 'random' });
            const [error] = await safe(users.update(user, { displayName: 'full name' }, auditSource));
            expect(error.reason).to.equal(BoxError.NOT_FOUND);
        });

        it('fails due to invalid email', async function () {
            const [error] = await safe(users.update(admin, { email: 'brokenemailaddress' }, auditSource));
            expect(error.reason).to.equal(BoxError.BAD_FIELD);
        });

        it('cannot update the user with already existing email', async function () {
            const result = await users.add(user.email, user, auditSource);
            user.id = result;

            const [error] = await safe(users.update(admin, { email: user.email }, auditSource));
            expect(error.reason).to.be(BoxError.ALREADY_EXISTS);
            expect(error.message).to.equal('email already exists');
        });

        it('cannot update username', async function () {
            const [error] = await safe(users.update(admin, { username: user.username }, auditSource));
            expect(error.reason).to.be(BoxError.CONFLICT);
            expect(error.message).to.equal('Username cannot be changed');
        });

        it('can update the user', async function () {
            await users.update(admin, { email: 'some@thing.com', displayName: 'Heiter' }, auditSource);
            const user = await users.get(admin.id);
            expect(user.email).to.equal('some@thing.com');
            expect(user.displayName).to.equal('Heiter');
        });
    });

    describe('verify', function () {
        before(createOwner);

        it('fails due to non existing user', async function () {
            const [error] = await safe(users.verify('somerandomid', 'somepassword', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.NOT_FOUND);
        });

        it('fails due to empty password', async function () {
            const [error] = await safe(users.verify(admin.id, '', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('fails due to wrong password', async function () {
            const [error] = await safe(users.verify(admin.id, admin.password+'x', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('succeeds', async function () {
            const result = await users.verify(admin.id, admin.password, users.AP_WEBADMIN, {});
            expect(result).to.be.ok();
            expect(result.appPassword).to.not.be.ok();
            expect(result.ghost).to.not.be.ok();
        });

        it('fails for ghost if not enabled', async function () {
            const [error] = await safe(users.verify(admin.id, 'foobar', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('fails for ghost with wrong password', async function () {
            await users.setGhost(admin, 'testpassword', 0);

            const [error] = await safe(users.verify(admin.id, 'foobar', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('succeeds for ghost', async function () {
            await users.setGhost(admin, 'testpassword', 0);

            const result = await users.verify(admin.id, 'testpassword', users.AP_WEBADMIN, {});
            expect(result.id).to.equal(admin.id);
            expect(result.ghost).to.be(true);
        });

        it('succeeds for normal user password when ghost file exists', async function () {
            await users.setGhost(admin, 'testpassword', 0);

            const result = await users.verify(admin.id, admin.password, users.AP_WEBADMIN, {});
            expect(result.id).to.equal(admin.id);
            expect(result.ghost).to.not.be.ok();
        });
    });

    describe('verifyWithUsername', function () {
        before(createOwner);

        it('fails due to non existing username', async function () {
            const [error] = await safe(users.verifyWithUsername('someusername', 'somepass', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.NOT_FOUND);
        });

        it('fails due to empty password', async function () {
            const [error] = await safe(users.verifyWithUsername(admin.username, '', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('fails due to wrong password', async function () {
            const [error] = await safe(users.verifyWithUsername(admin.username, 'somepass', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('succeeds', async function () {
            const result = await users.verifyWithUsername(admin.username, admin.password, users.AP_WEBADMIN, {});
            expect(result.id).to.equal(admin.id);
        });

        it('succeeds for different username case', async function () {
            const result = await users.verifyWithUsername(admin.username.toUpperCase(), admin.password, users.AP_WEBADMIN, {});
            expect(result.id).to.equal(admin.id);
        });

        it('fails for ghost with wrong password', async function () {
            await users.setGhost(admin, 'testpassword', 0);

            const [error] = await safe(users.verifyWithUsername(admin.username, 'foobar', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('succeeds for ghost', async function () {
            await users.setGhost(admin, 'testpassword', 0);

            const result = await users.verifyWithUsername(admin.username, 'testpassword', users.AP_WEBADMIN, {});
            expect(result.id).to.equal(admin.id);
            expect(result.ghost).to.be(true);
        });
    });

    describe('verifyWithEmail', function () {
        before(createOwner);

        it('fails due to non existing user', async function () {
            const [error] = await safe(users.verifyWithEmail('bad@email.com', admin.password, users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.NOT_FOUND);
        });

        it('fails due to empty password', async function () {
            const [error] = await safe(users.verifyWithEmail(admin.email, '', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('fails due to wrong password', async function () {
            const [error] = await safe(users.verifyWithEmail(admin.email, 'badpassword', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('succeeds', async function () {
            const result = await users.verifyWithEmail(admin.email, admin.password, users.AP_WEBADMIN, {});
            expect(result.id).to.be(admin.id);
        });

        it('succeeds for different email case', async function () {
            const result = await users.verifyWithEmail(admin.email.toUpperCase(), admin.password, users.AP_WEBADMIN, {});
            expect(result.id).to.be(admin.id);
        });

        it('fails for ghost with wrong password', async function () {
            await users.setGhost(admin, 'testpassword', 0);

            const [error] = await safe(users.verifyWithEmail(admin.email, 'foobar', users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('succeeds for ghost', async function () {
            await users.setGhost(admin, 'testpassword', 0);

            const result = await users.verifyWithEmail(admin.email, 'testpassword', users.AP_WEBADMIN, {});
            expect(result.id).to.equal(admin.id);
            expect(result.ghost).to.equal(true);
        });
    });

    describe('setup 2fa', function () {
        before(createOwner);

        let twofa;

        it('create secret', async function () {
            twofa = await users.setTwoFactorAuthenticationSecret(admin, auditSource);
            expect(twofa.secret).to.be.a('string');
            expect(twofa.qrcode).to.be.a('string');
        });

        it('can create secret again', async function () {
            twofa = await users.setTwoFactorAuthenticationSecret(admin, auditSource);
            expect(twofa.secret).to.be.a('string');
            expect(twofa.qrcode).to.be.a('string');
            admin.twoFactorAuthenticationSecret = twofa.secret; // update user object
        });

        it('enable 2fa', async function () {
            const totpToken = speakeasy.totp({ secret: twofa.secret, encoding: 'base32' });
            await users.enableTwoFactorAuthentication(admin, totpToken, auditSource);

            const u = await users.get(admin.id);
            expect(u.twoFactorAuthenticationEnabled).to.be(true);
            admin.twoFactorAuthenticationEnabled = true; // update user object
        });

        it('cannot re-create secret', async function () {
            const [error] = await safe(users.setTwoFactorAuthenticationSecret(admin, auditSource));
            expect(error.reason).to.be(BoxError.ALREADY_EXISTS);
        });

        it('cannot re-enable 2fa', async function () {
            const totpToken = speakeasy.totp({ secret: twofa.secret, encoding: 'base32' });
            const [error] = await safe(users.enableTwoFactorAuthentication(admin, totpToken, auditSource));
            expect(error.reason).to.be(BoxError.ALREADY_EXISTS);
        });

        it('verify fails without 2fa', async function () {
            const [error] = await safe(users.verifyWithUsername(admin.username, admin.password, users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
            expect(error.message).to.be('A totpToken must be provided');
        });

        it('verify succeeds with relaxed 2fa', async function () {
            const user = await users.verifyWithUsername(admin.username, admin.password, users.AP_WEBADMIN, { skipTotpCheck: true });
            expect(user.id).to.be(admin.id);
        });

        it('verify succeeds with relaxed 2fa but incorrect totp (totp is ignored)', async function () {
            const user = await users.verifyWithUsername(admin.username, admin.password, users.AP_WEBADMIN, { totpToken: 'schlecht', skipTotpCheck: true });
            expect(user.id).to.be(admin.id);
        });

        it('verify succeeds with valid 2fa', async function () {
            const totpToken = speakeasy.totp({ secret: twofa.secret, encoding: 'base32' });
            const user = await users.verifyWithUsername(admin.username, admin.password, users.AP_WEBADMIN, { totpToken });
            expect(user.id).to.be(admin.id);
        });
    });

    describe('active', function () {
        before(createOwner);

        it('verify fails for inactive user', async function () {
            await users.update(admin, { active: false }, auditSource);
            const [error] = await safe(users.verify(admin.id, admin.password, users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.NOT_FOUND);
        });

        it('verify succeeds for inactive user', async function () {
            await users.update(admin, { active: true }, auditSource);
            await users.verify(admin.id, admin.password, users.AP_WEBADMIN, {});
        });
    });

    describe('get', function () {
        before(createOwner);

        it('fails due to non existing user', async function () {
            const result = await users.get('randomid');
            expect(result).to.be(null);
        });

        it('succeeds', async function () {
            const result = await users.get(admin.id);
            expect(result.id).to.equal(admin.id);
            expect(result.email).to.equal(admin.email.toLowerCase());
            expect(result.fallbackEmail).to.equal(admin.fallbackEmail.toLowerCase());
            expect(result.username).to.equal(admin.username.toLowerCase());
            expect(result.displayName).to.equal(admin.displayName);
        });
    });

    describe('activated', function () {
        before(cleanupUsers);

        it('succeeds with no users', async function () {
            const activated = await users.isActivated();
            expect(activated).to.be(false);
        });

        it('create admin', createOwner);

        it('succeeds with users', async function () {
            const activated = await users.isActivated();
            expect(activated).to.be(true);
        });
    });

    describe('set password', function () {
        before(createOwner);

        it('fails due to unknown user', async function () {
            const user = Object.assign({}, admin, { id: 'doesnotexist' });
            const [error] = await safe(users.setPassword(user, 'newpassword', auditSource));
            expect(error.reason).to.be(BoxError.NOT_FOUND);
        });

        it('fails due to empty password', async function () {
            const [error] = await safe(users.setPassword(admin, '', auditSource));
            expect(error.reason).to.be(BoxError.BAD_FIELD);
        });

        it('fails due to invalid password', async function () {
            const [error] = await safe(users.setPassword(admin, 'foobar', auditSource));
            expect(error.reason).to.be(BoxError.BAD_FIELD);
        });

        it('succeeds', async function () {
            await users.setPassword(admin, 'ThisIsNew1Password', auditSource);
        });

        it('actually changed the password (unable to login with old pasword)', async function () {
            const [error] = await safe(users.verify(admin.id, admin.password, users.AP_WEBADMIN, {}));
            expect(error.reason).to.equal(BoxError.INVALID_CREDENTIALS);
        });

        it('actually changed the password (login with new password)', async function () {
            await users.verify(admin.id, 'ThisIsNew1Password', users.AP_WEBADMIN, {});
        });
    });

    describe('sendPasswordResetByIdentifier', function () {
        before(createOwner);

        it('fails due to unknown email', async function () {
            const [error] = await safe(users.sendPasswordResetByIdentifier('unknown@mail.com', auditSource));
            expect(error.reason).to.eql(BoxError.NOT_FOUND);
        });

        it('fails due to unknown username', async function () {
            const [error] = await safe(users.sendPasswordResetByIdentifier('unknown', auditSource));
            expect(error.reason).to.eql(BoxError.NOT_FOUND);
        });

        it('succeeds with email', async function () {
            await clearMailQueue();
            await users.sendPasswordResetByIdentifier(admin.email, auditSource);
            await checkMails(1);
        });

        it('succeeds with username', async function () {
            await clearMailQueue();
            await users.sendPasswordResetByIdentifier(admin.username, auditSource);
            await checkMails(1);
        });
    });

    describe('language', function () {
        before(createOwner);

        it('default language is empty', async function () {
            const result = await users.get(admin.id);
            expect(result.language).to.be('');
        });

        it('cannot set bad language', async function () {
            const [error] = await safe(users.update(admin, { language: 'ta '}, auditSource));
            expect(error.reason).to.be(BoxError.BAD_FIELD);
        });

        it('can set language', async function () {
            await users.update(admin, { language: 'en' }, auditSource);
            const result = await users.get(admin.id);
            expect(result.language).to.be('en');
        });

        it('can reset language', async function () {
            await users.update(admin, { language: '' }, auditSource);
            const result = await users.get(admin.id);
            expect(result.language).to.be('');
        });
    });

    describe('invite', function () {
        before(createOwner);

        let user;

        it('get link fails as alreayd been used', async function () {
            const [error] = await safe(users.getInviteLink(admin, auditSource));
            expect(error.reason).to.be(BoxError.BAD_STATE);
        });

        it('can get link', async function () {
            const userId = await users.add('some@mail.com', { username: 'someoneinvited', displayName: 'some one', password: 'unsafe1234' }, auditSource);
            user = await users.get(userId);

            const inviteLink = await users.getInviteLink(user, auditSource);
            expect(inviteLink).to.be.a('string');
            expect(inviteLink).to.contain(user.inviteToken);
        });

        it('cannot send mail for already active user', async function () {
            const [error] = await safe(users.sendInviteEmail(admin, 'admin@mail.com', auditSource));
            expect(error.reason).to.be(BoxError.BAD_STATE);
        });

        it('cannot send mail with empty receipient', async function () {
            const [error] = await safe(users.sendInviteEmail(user, '', auditSource));
            expect(error.reason).to.be(BoxError.BAD_FIELD);
        });

        it('can send mail', async function () {
            await clearMailQueue();
            await users.sendInviteEmail(user, 'custom@mail.com', auditSource);
            const emails = await checkMails(1);
            expect(emails[0].to).to.equal('custom@mail.com');
        });
    });

    describe('remove', function () {
        before(createOwner);

        it('fails for unknown user', async function () {
            const user = Object.assign({}, admin, { id: 'doesnotexist' });
            const [error] = await safe(users.del(user, auditSource));
            expect(error.reason).to.be(BoxError.NOT_FOUND);
        });

        it('can remove valid user', async function () {
            await users.del(admin, auditSource);
        });

        it('can re-create user after user was removed', createOwner);
    });

    describe('parseDisplayName', function () {
        it('parses names', function () {
            const names = [
                { in: 'James', out: { firstName: 'James', lastName: '', middleName: '' } },
                { in: 'James Anderson', out: { firstName: 'James', lastName: 'Anderson', middleName: '' } },
                { in: 'James Philip Anderson', out: { firstName: 'James', lastName: 'Philip Anderson', middleName: '' } },
            ];

            for (const name of names) {
                expect(users.parseDisplayName(name.in)).to.eql(name.out);
            }
        });
    });
});