import * as io from '@actions/io';
import * as os from 'os';
import fs from 'fs';
import path from 'path';
import each from 'jest-each';
import * as hc from '@actions/http-client';
import * as installer from '../src/installer';
import {QualityOptions} from '../src/setup-dotnet';

import {IS_WINDOWS} from '../src/utils';
import {IS_LINUX} from '../src/utils';

let toolDir: string;

if (IS_WINDOWS) {
  toolDir = path.join(process.env['PROGRAMFILES'] + '', 'dotnet');
} else if (IS_LINUX) {
  toolDir = '/usr/share/dotnet';
} else {
  toolDir = path.join(process.env['HOME'] + '', '.dotnet');
}
const tempDir = path.join(__dirname, 'runner', 'temp');

process.env['RUNNER_TOOL_CACHE'] = toolDir;
process.env['RUNNER_TEMP'] = tempDir;

describe('DotnetCoreInstaller tests', () => {
  beforeAll(async () => {
    process.env.RUNNER_TOOL_CACHE = toolDir;
    process.env.DOTNET_INSTALL_DIR = toolDir;
    process.env.RUNNER_TEMP = tempDir;
    process.env.DOTNET_ROOT = '';
    try {
      await io.rmRF(`${toolDir}/*`);
      await io.rmRF(`${tempDir}/*`);
    } catch (err) {
      console.log(
        `Failed to remove test directories, check the error message:${os.EOL}`,
        err.message
      );
    }
  }, 30000);

  afterEach(async () => {
    try {
      await io.rmRF(`${toolDir}/*`);
      await io.rmRF(`${tempDir}/*`);
    } catch (err) {
      console.log(
        `Failed to remove test directories, check the error message:${os.EOL}`,
        err.message
      );
    }
  }, 30000);

  // it('Aquires multiple versions of dotnet', async () => {
  //   const versions = ['2.2.207', '3.1.120'];

  //   for (const version of versions) {
  //     await getDotnet(version);
  //   }
  //   expect(fs.existsSync(path.join(toolDir, 'sdk', '2.2.207'))).toBe(true);
  //   expect(fs.existsSync(path.join(toolDir, 'sdk', '3.1.120'))).toBe(true);

  //   if (IS_WINDOWS) {
  //     expect(fs.existsSync(path.join(toolDir, 'dotnet.exe'))).toBe(true);
  //   } else {
  //     expect(fs.existsSync(path.join(toolDir, 'dotnet'))).toBe(true);
  //   }

  //   expect(process.env.DOTNET_ROOT).toBeDefined();
  //   expect(process.env.PATH).toBeDefined();
  //   expect(process.env.DOTNET_ROOT).toBe(toolDir);
  //   expect(process.env.PATH?.startsWith(toolDir)).toBe(true);
  // }, 600000);

  // it('Acquires version of dotnet if no matching version is installed', async () => {
  //   await getDotnet('3.1.201');
  //   expect(fs.existsSync(path.join(toolDir, 'sdk', '3.1.201'))).toBe(true);
  //   if (IS_WINDOWS) {
  //     expect(fs.existsSync(path.join(toolDir, 'dotnet.exe'))).toBe(true);
  //   } else {
  //     expect(fs.existsSync(path.join(toolDir, 'dotnet'))).toBe(true);
  //   }

  //   expect(process.env.DOTNET_ROOT).toBeDefined();
  //   expect(process.env.PATH).toBeDefined();
  //   expect(process.env.DOTNET_ROOT).toBe(toolDir);
  //   expect(process.env.PATH?.startsWith(toolDir)).toBe(true);
  // }, 600000); //This needs some time to download on "slower" internet connections

  // it('Acquires generic version of dotnet if no matching version is installed', async () => {
  //   await getDotnet('3.1');
  //   const directory = fs
  //     .readdirSync(path.join(toolDir, 'sdk'))
  //     .filter(fn => fn.startsWith('3.1.'));
  //   expect(directory.length > 0).toBe(true);
  //   if (IS_WINDOWS) {
  //     expect(fs.existsSync(path.join(toolDir, 'dotnet.exe'))).toBe(true);
  //   } else {
  //     expect(fs.existsSync(path.join(toolDir, 'dotnet'))).toBe(true);
  //   }

  //   expect(process.env.DOTNET_ROOT).toBeDefined();
  //   expect(process.env.PATH).toBeDefined();
  //   expect(process.env.DOTNET_ROOT).toBe(toolDir);
  //   expect(process.env.PATH?.startsWith(toolDir)).toBe(true);
  // }, 600000); //This needs some time to download on "slower" internet connections

  it('Returns string with installed SDK version', async () => {
    const version = '6.0.1xx';

    const installedVersion = await getDotnet(version);

    expect(installedVersion).toBe('3.1.120');
  }, 600000);
});

// describe('DotnetVersionResolver tests', () => {
//   each([
//     '3.1',
//     '3.x',
//     '3.1.x',
//     '3.1.*',
//     '3.1.X',
//     '3.1.2',
//     '3.1.0-preview1'
//   ]).test(
//     "if valid version: '%s' is supplied, it should return version object with some value",
//     async version => {
//       const dotnetVersionResolver = new installer.DotnetVersionResolver(
//         version
//       );
//       const versionObject = await dotnetVersionResolver.createDotNetVersion();

//       expect(!!versionObject.value).toBe(true);
//     }
//   );

//   each([
//     '.',
//     '..',
//     ' . ',
//     '. ',
//     ' .',
//     ' . . ',
//     ' .. ',
//     ' .  ',
//     '-1.-1',
//     '-1',
//     '-1.-1.-1',
//     '..3',
//     '1..3',
//     '1..',
//     '.2.3',
//     '.2.x',
//     '*.',
//     '1.2.',
//     '1.2.-abc',
//     'a.b',
//     'a.b.c',
//     'a.b.c-preview',
//     ' 0 . 1 . 2 ',
//     'invalid'
//   ]).test(
//     "if invalid version: '%s' is supplied, it should throw",
//     async version => {
//       const dotnetVersionResolver = new installer.DotnetVersionResolver(
//         version
//       );

//       await expect(
//         async () => await dotnetVersionResolver.createDotNetVersion()
//       ).rejects.toThrow();
//     }
//   );

//   each(['3.1', '3.1.x', '3.1.*', '3.1.X', '5.0.1xx']).test(
//     "if version: '%s' that can be resolved to 'channel' option is supplied, it should set type to 'channel' in version object",
//     async version => {
//       const dotnetVersionResolver = new installer.DotnetVersionResolver(
//         version
//       );
//       const versionObject = await dotnetVersionResolver.createDotNetVersion();

//       expect(versionObject.type.toLowerCase().includes('channel')).toBe(true);
//     }
//   );

//   each(['6.0', '6.0.x', '6.0.*', '6.0.X', '6.0.1xx']).test(
//     "if version: '%s' that can be resolved to 'channel' option is supplied and its major tag is >= 6, it should set type to 'channel' and qualityFlag to 'true' in version object",
//     async version => {
//       const dotnetVersionResolver = new installer.DotnetVersionResolver(
//         version
//       );
//       const versionObject = await dotnetVersionResolver.createDotNetVersion();

//       expect(versionObject.type.toLowerCase().includes('channel')).toBe(true);
//       expect(versionObject.qualityFlag).toBe(true);
//     }
//   );

//   each(['3.1.2', '3.1.0-preview1']).test(
//     "if version: '%s' that can be resolved to 'version' option is supplied, it should set quality flag to 'false' and type to 'version' in version object",
//     async version => {
//       const dotnetVersionResolver = new installer.DotnetVersionResolver(
//         version
//       );
//       const versionObject = await dotnetVersionResolver.createDotNetVersion();

//       expect(versionObject.type.toLowerCase().includes('version')).toBe(true);
//       expect(versionObject.qualityFlag).toBe(false);
//     }
//   );

//   each(['3.1.2', '3.1']).test(
//     'it should create proper line arguments for powershell/bash installation scripts',
//     async version => {
//       const dotnetVersionResolver = new installer.DotnetVersionResolver(
//         version
//       );
//       const versionObject = await dotnetVersionResolver.createDotNetVersion();
//       const windowsRegEx = new RegExp(/^-[VC]/);
//       const nonWindowsRegEx = new RegExp(/^--[vc]/);

//       if (IS_WINDOWS) {
//         expect(windowsRegEx.test(versionObject.type)).toBe(true);
//         expect(nonWindowsRegEx.test(versionObject.type)).toBe(false);
//       } else {
//         expect(nonWindowsRegEx.test(versionObject.type)).toBe(true);
//         expect(windowsRegEx.test(versionObject.type)).toBe(false);
//       }
//     }
//   );

//   it('Should throw if supplied dotnet version is in A.B.Cxx syntax and the major tag is lower than 5', async () => {
//     const version = '3.1.1xx';
//     const dotnetVersionResolver = new installer.DotnetVersionResolver(version);
//     await expect(dotnetVersionResolver.createDotNetVersion()).rejects.toThrow(
//       `'dotnet-version' was supplied in invalid format: ${version}! The A.B.Cxx syntax is available since the .NET 5.0 release.`
//     );
//   }, 600000);

//   it('Should resolve version supplied as * to channel type and set value to LTS', async () => {
//     const version = '*';
//     const dotnetVersionResolver = new installer.DotnetVersionResolver(version);
//     const versionObject = await dotnetVersionResolver.createDotNetVersion();
//     expect(versionObject.type.toLowerCase().includes('channel')).toBe(true);
//     expect(versionObject.value).toBe('LTS');
//   }, 600000);
// });

function normalizeFileContents(contents: string): string {
  return contents
    .trim()
    .replace(new RegExp('\r\n', 'g'), '\n')
    .replace(new RegExp('\r', 'g'), '\n');
}

async function getDotnet(version: string, quality = ''): Promise<string> {
  const dotnetInstaller = new installer.DotnetCoreInstaller(
    version,
    quality as QualityOptions
  );
  const installedVersion = await dotnetInstaller.installDotnet();
  installer.DotnetCoreInstaller.addToPath();
  return installedVersion;
}