import io = require('@actions/io');
import os = require('os');
import fs = require('fs');
import path = require('path');

const toolDir = path.join(__dirname, 'runner', 'tools', 'leiningen');
const tempDir = path.join(__dirname, 'runner', 'temp', 'leiningen');
const IS_WINDOWS = process.platform === 'win32';

process.env['RUNNER_TOOL_CACHE'] = toolDir;
process.env['RUNNER_TEMP'] = tempDir;
import * as leiningen from '../src/leiningen';

describe('leiningen tests', () => {
  beforeAll(async () => {
    await io.rmRF(toolDir);
    await io.rmRF(tempDir);
  }, 300000);

  afterAll(async () => {
    try {
      await io.rmRF(toolDir);
      await io.rmRF(tempDir);
    } catch {
      console.log('Failed to remove test directories');
    }
  }, 100000);

  it('Throws if invalid version', async () => {
    let thrown = false;
    try {
      await leiningen.setup('1000');
    } catch {
      thrown = true;
    }
    expect(thrown).toBe(true);
  });

  it('Install leiningen with normal version', async () => {
    await leiningen.setup('2.9.1');
    const clojureDir = path.join(
      toolDir,
      'ClojureLeiningen',
      '2.9.1',
      os.arch()
    );

    expect(fs.existsSync(`${clojureDir}.complete`)).toBe(true);
    if (IS_WINDOWS) {
      expect(fs.existsSync(path.join(clojureDir, 'bin', 'lein.bat'))).toBe(
        true
      );
      await exec.exec('lein.bat');
    } else {
      expect(fs.existsSync(path.join(clojureDir, 'bin', 'lein'))).toBe(true);
      await exec.exec('lein');
    }
  }, 100000);

  it('Uses version of leiningen installed in cache', async () => {
    const clojureDir: string = path.join(
      toolDir,
      'ClojureLeiningen',
      '2.9.1',
      os.arch()
    );
    await io.mkdirP(clojureDir);
    fs.writeFileSync(`${clojureDir}.complete`, 'hello');
    await leiningen.setup('2.9.1');
    return;
  });

  it('Doesnt use version of clojure that was only partially installed in cache', async () => {
    const clojureDir: string = path.join(
      toolDir,
      'ClojureLeiningen',
      '2.9.1',
      os.arch()
    );
    await io.mkdirP(clojureDir);
    let thrown = false;
    try {
      await leiningen.setup('1000');
    } catch {
      thrown = true;
    }
    expect(thrown).toBe(true);
    return;
  });
});