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

'use strict';

const backupTargets = require('../../backuptargets.js'),
    common = require('./common.js'),
    expect = require('expect.js'),
    superagent = require('@cloudron/superagent');

const BACKUP_FOLDER = '/tmp/backup_test';

describe('Backups API', function () {
    const { setup, cleanup, waitForTask, serverUrl, owner } = common;

    before(setup);
    after(cleanup);

    describe('backup_policy', function () {
        const defaultPolicy = {
            retention: { keepWithinSecs: 2 * 24 * 60 * 60 }, // 2 days
            schedule: '00 00 23 * * *' // every day at 11pm
        };

        it('cannot set backup_policy without schedule', async function () {
            const tmp = Object.assign({} , defaultPolicy);
            delete tmp.schedule;

            const response = await superagent.post(`${serverUrl}/api/v1/backups/policy`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_policy with invalid schedule', async function () {
            const tmp = Object.assign({} , defaultPolicy);
            tmp.schedule = 'not a pattern';

            const response = await superagent.post(`${serverUrl}/api/v1/backups/policy`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_policy without retention', async function () {
            const tmp = Object.assign({} , defaultPolicy);
            delete tmp.retention;

            const response = await superagent.post(`${serverUrl}/api/v1/backups/policy`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_policy with invalid retention', async function () {
            const tmp = Object.assign({} , defaultPolicy);
            tmp.retention = 'not an object';

            const response = await superagent.post(`${serverUrl}/api/v1/backups/policy`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_policy with empty retention', async function () {
            const tmp = Object.assign({} , defaultPolicy);
            tmp.retention = {};

            const response = await superagent.post(`${serverUrl}/api/v1/backups/policy`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_policy with retention missing properties', async function () {
            const tmp = Object.assign({} , defaultPolicy);
            tmp.retention = { foo: 'bar' };

            const response = await superagent.post(`${serverUrl}/api/v1/backups/policy`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_policy with retention with invalid keepWithinSecs', async function () {
            const tmp = Object.assign({} , defaultPolicy);
            tmp.retention = { keepWithinSecs: 'not a number' };

            const response = await superagent.post(`${serverUrl}/api/v1/backups/policy`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });
    });

    describe('backup_config', function () {
        // keep in sync with defaults in settings.js
        const defaultConfig = {
            provider: 'filesystem',
            backupFolder: '/var/backups',
            format: 'tgz',
            encryption: null,
        };

        it('can get backup_config (default)', async function () {
            const response = await superagent.get(`${serverUrl}/api/v1/backup_targets`)
                .query({ access_token: owner.token });

            expect(response.status).to.equal(200);
            expect(response.body.config).to.eql(defaultConfig);
            expect(response.body.config).to.eql(defaultConfig);
        });

        it('cannot set backup_config without provider', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            delete tmp.provider;

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_config with invalid provider', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            tmp.provider = 'invalid provider';

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_config without format', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            delete tmp.format;

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_config with invalid format', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            tmp.format = 'invalid format';

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_config with invalid password', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            tmp.password = 1234;

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_config with invalid syncConcurrency', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            tmp.limits = { syncConcurrency: 'not a number' };

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_config with invalid syncConcurrency', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            tmp.limits = { syncConcurrency: 0 };

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('cannot set backup_config with invalid acceptSelfSignedCerts', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            tmp.acceptSelfSignedCerts = 'not a boolean';

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token })
                .send(tmp)
                .ok(() => true);

            expect(response.status).to.equal(400);
        });

        it('can set backup_config', async function () {
            const tmp = JSON.parse(JSON.stringify(defaultConfig));
            tmp.format = 'rsync';
            tmp.backupFolder = BACKUP_FOLDER;
            tmp.limits = { copyConcurrency: 34 };

            const response = await superagent.post(`${serverUrl}/api/v1/backups/config/storage`)
                .query({ access_token: owner.token })
                .send(tmp);

            expect(response.status).to.equal(200);
        });

        it('can get backup_config', async function () {
            const response = await superagent.get(`${serverUrl}/api/v1/backups/config`)
                .query({ access_token: owner.token });

            expect(response.status).to.equal(200);
            expect(response.body.format).to.equal('rsync');
            expect(response.body.backupFolder).to.equal(BACKUP_FOLDER);
        });
    });

    describe('create', function () {
        before(async function () {
            await backupTargets.setStorage({
                provider: 'filesystem',
                backupFolder: '/tmp/backups',
                format: 'tgz',
                encryption: null,
            });
        });

        it('fails due to mising token', async function () {
            const response = await superagent.post(`${serverUrl}/api/v1/backups/create`)
                .ok(() => true);
            expect(response.status).to.equal(401);
        });

        it('fails due to wrong token', async function () {
            const response = await superagent.post(`${serverUrl}/api/v1/backups/create`)
                .query({ access_token: 'randomtoken' })
                .ok(() => true);
            expect(response.status).to.equal(401);
        });

        it('succeeds', async function () {
            const response = await superagent.post(`${serverUrl}/api/v1/backups/create`)
                .query({ access_token: owner.token });
            expect(response.status).to.equal(202);
            expect(response.body.taskId).to.be.a('string');
            await waitForTask(response.body.taskId);
        });
    });

    describe('list', function () {
        it('succeeds', async function () {
            const response = await superagent.get(`${serverUrl}/api/v1/backups`)
                .query({ access_token: owner.token });
            expect(response.status).to.equal(200);
            expect(response.body.backupTargets.length).to.be(1);
        });
    });

    describe('update', function () {
        let someBackup;

        before(async function () {
            const response = await superagent.get(`${serverUrl}/api/v1/backups`)
                .query({ access_token: owner.token });
            expect(response.status).to.equal(200);
            expect(response.body.backupTargets.length).to.be(1);
            someBackup = response.body.backups[0];
        });

        it('fails for bad param', async function () {
            const response = await superagent.post(`${serverUrl}/api/v1/backups/bad_id`)
                .query({ access_token: owner.token })
                .send({ preserveSecs: 'not-a-number', label: 'some string' })
                .ok(() => true);
            expect(response.status).to.equal(400);
        });

        it('fails for unknown backup', async function () {
            const response = await superagent.post(`${serverUrl}/api/v1/backups/bad_id`)
                .query({ access_token: owner.token })
                .send({ preserveSecs: 30, label: 'NewOrleans' })
                .ok(() => true);

            expect(response.status).to.equal(404);
        });

        it('succeeds', async function () {
            const response = await superagent.post(`${serverUrl}/api/v1/backups/${someBackup.id}`)
                .query({ access_token: owner.token })
                .send({ preserveSecs: 30, label: 'NewOrleans' });
            expect(response.status).to.equal(200);
        });
    });
});