import fs from 'fs-extra';

import * as json from 'json-extra';

import os from 'os';

import path from 'path';

import Config from '../lib/Config';

const cwd = process.cwd();

const homedir = os.homedir();

const fixtures = path.join(cwd, '__tests__', 'fixtures');

const date = new Date();

const datetime = date.toISOString().slice(0, 10);

const randomString = Math.random().toString(36).replace(/[^a-z]+/g, '').substr(0, 4);

let globalExist = false;

// rename global .sgcrc

beforeAll(() => {

// rename global sgcrc

if (fs.existsSync(path.join(homedir, '.sgcrc'))) {

globalExist = true;

fs.renameSync(path.join(homedir, '.sgcrc'), path.join(homedir, `.sgcrc.${randomString}-${datetime}.back`));

}

// rename local sgcrc

fs.renameSync(path.join(cwd, '.sgcrc'), path.join(cwd, '.sgcrc_default'));

});

afterAll(() => {

// rename global sgrc

if (globalExist) {

fs.renameSync(path.join(homedir, `.sgcrc.${randomString}-${datetime}.back`), path.join(homedir, '.sgcrc'));

}

// rename local sgcrc

fs.renameSync(path.join(cwd, '.sgcrc_default'), path.join(cwd, '.sgcrc'));

});

it('read config from a specific path', () => {

expect(new Config(fixtures).config).toEqual(json.readToObjSync(path.join(fixtures, '.sgcrc')));

});

it('read config from a .sgcrc_default', () => {

const globalConfig = json.readToObjSync(path.join(cwd, '.sgcrc_default'));

expect(new Config().config).toEqual(globalConfig);

});

it('read config from package.json', () => {

const sgcrc = json.readToObjSync(path.join(fixtures, '.sgcrc'));

const packageJson = json.readToObjSync(path.join(cwd, 'package.json'));

packageJson.sgc = sgcrc;

// manipulate local package

fs.renameSync(path.join(cwd, 'package.json'), path.join(cwd, `package.json.${randomString}-${datetime}.back`));

fs.writeFileSync(path.join(cwd, 'package.json'), JSON.stringify(packageJson));

const { config } = new Config();

// revert local package

fs.removeSync(path.join(cwd, 'package.json'));

fs.renameSync(path.join(cwd, `package.json.${randomString}-${datetime}.back`), path.join(cwd, 'package.json'));

expect(config).toEqual(sgcrc);

});

it('read global config', () => {

const sgcrc = json.readToObjSync(path.join(fixtures, '.sgcrc'));

fs.writeFileSync(path.join(homedir, '.sgcrc'), JSON.stringify(sgcrc));

expect(new Config().config).toEqual(sgcrc);

fs.removeSync(path.join(homedir, '.sgcrc'));

});

it('read local config from `sgc.config.js`', () => {

const sgcrc = json.readToObjSync(path.join(fixtures, '.sgcrc'));

fs.writeFileSync(path.join(cwd, 'sgc.config.js'), `module.exports = (${JSON.stringify(sgcrc)})`);

expect(new Config().config).toEqual(sgcrc);

fs.removeSync(path.join(cwd, 'sgc.config.js'));

});

it('read global config from `sgc.config.js`', () => {

const sgcrc = json.readToObjSync(path.join(fixtures, '.sgcrc'));

fs.writeFileSync(path.join(homedir, 'sgc.config.js'), `module.exports = (${JSON.stringify(sgcrc)})`);

expect(new Config().config).toEqual(sgcrc);

fs.removeSync(path.join(homedir, 'sgc.config.js'));

});

it('read a .sgcrc_default from a deep nested cwd', () => {

const deepCwd = path.join(fixtures, 'very', 'deep', 'directory');

const fixturesConfig = json.readToObjSync(path.join(fixtures, '.sgcrc'));

expect(new Config(deepCwd).config).toEqual(fixturesConfig);

});