<!DOCTYPE html>
<html>

<head>
<title>Telegram Bot API server build instructions</title>
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</head>

<body onload="onLoad(true)" onpopstate="onLoad(false)">

<div class="main">
  <div id="osSelectDiv" class="large">
    <p>Choose an operating system on which you want to use the Telegram Bot API server:</p>
    <select id="osSelect" onchange="onOsChanged(false)" autofocus class="large">
      <option>Choose an operating system:</option>
      <option>Windows</option>
      <option>Linux</option>
      <option>macOS</option>
      <option>FreeBSD</option>
      <option>OpenBSD</option>
      <option>NetBSD</option>
    </select>
    <p></p>
  </div>

  <div id="linuxSelectDiv" class="hide">
    <p>Choose a Linux distro on which you want to use the Telegram Bot API server:</p>
    <select id="linuxSelect" onchange="onOsChanged(false)" class="large">
      <option>Choose a Linux distro:</option>
      <option>Alpine</option>
      <option>CentOS 7</option>
      <option>CentOS 8</option>
      <option>Debian 8/9</option>
      <option>Debian 10+</option>
      <option>Ubuntu 14</option>
      <option>Ubuntu 16</option>
      <option>Ubuntu 18</option>
      <option>Ubuntu 20</option>
      <option>Other</option>
    </select>
    <p></p>
  </div>

  <div id="buildOptionsDiv" class="hide">
    <div id="buildDebugDiv" class="hide">
      <label><input type="checkbox" id="buildDebugCheckbox" onchange="onOptionsChanged()"/>Build the debug binary. Debug binaries are much larger and slower than the release one.</label>
    </div>

    <div id="buildInstallLocalDiv" class="hide">
      <label><input type="checkbox" id="buildInstallLocalCheckbox" onchange="onOptionsChanged()"/>Install the built Telegram Bot API server to /usr/local instead of placing the files to telegram-bot-api/bin.</label>
    </div>

    <p></p>

    <div id="buildCompilerDiv" class="hide">
      <span>Choose which compiler you want to use to build the Telegram Bot API server:</span><br>
      <label><input type="radio" id="buildCompilerRadioGcc" name="buildCompilerRadio" onchange="onOptionsChanged()" checked/>g++</label>
      <label><input type="radio" id="buildCompilerRadioClang" name="buildCompilerRadio" onchange="onOptionsChanged()"/>clang (recommended)</label>
      <p></p>
    </div>

    <div id="buildShellDiv" class="hide">
      <span>Choose which shell application you want to use for building:</span><br>
      <label><input type="radio" id="buildShellRadioPowerShell" name="buildShellRadio" onchange="onOptionsChanged()" checked/>PowerShell</label>
      <label><input type="radio" id="buildShellRadioBash" name="buildShellRadio" onchange="onOptionsChanged()"/>mintty/Bash</label>
      <p></p>
    </div>

    <div id="buildShellBsdDiv" class="hide">
      <span>Choose which shell application you want to use for building:</span><br>
      <label><input type="radio" id="buildShellBsdRadioCsh" name="buildShellRadioBsd" onchange="onOptionsChanged()" checked/>tcsh/csh</label>
      <label><input type="radio" id="buildShellBsdRadioBash" name="buildShellRadioBsd" onchange="onOptionsChanged()"/>Bash</label>
      <p></p>
    </div>

    <div id="buildMacOsHostDiv" class="hide">
      <span>Choose host architecture:</span><br>
      <label><input type="radio" id="buildMacOsHostRadioAppleSilicon" name="buildMacOsHostRadio" onchange="onOptionsChanged()" checked/>Apple silicon</label>
      <label><input type="radio" id="buildMacOsHostRadioIntel" name="buildMacOsHostRadio" onchange="onOptionsChanged()"/>Intel</label>
      <p></p>
    </div>

    <div id="buildBitnessDiv" class="hide">
      <span>Choose for which bitness you want to build the Telegram Bot API server:</span><br>
      <label><input type="radio" id="buildBitnessRadio64" name="buildBitnessRadio" onchange="onOptionsChanged()" checked/>64</label>
      <label><input type="radio" id="buildBitnessRadio32" name="buildBitnessRadio" onchange="onOptionsChanged()"/>32</label>
      <p></p>
    </div>

    <div id="buildRootDiv" class="hide">
      <label><input type="checkbox" id="buildRootCheckbox" onchange="onOptionsChanged()"/>Build from root user (unrecommended).</label>
    </div>

    <p></p>
  </div>

  <div id="buildTextDiv" class="hide">
    <p id="buildText">Hidden text</p>
  </div>

  <div id="buildCommandsDiv" class="hide">
    <p id="buildPre">Hidden text</p>
    <code id="buildCommands">Empty commands</code>
    <button id="copyBuildCommandsButton" onclick="copyBuildInstructions()">
        <span id="copyBuildCommandsText">Copy</span>
    </button>
  </div>
</div>

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  document.getElementById('buildText').innerHTML = 'Here is complete instruction for building Telegram Bot API Server on ' + os + ':';

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  var pre_text = [];
  if (os_windows) {
    pre_text.push('Note that Windows Subsystem for Linux (WSL) and Cygwin are not Windows environments, so you need to use instructions for Linux for them instead.');
    pre_text.push('Download and install <a href="https://visualstudio.microsoft.com/ru/vs/community/">Microsoft Visual Studio</a>. Enable C++ support while installing.');
    pre_text.push('Download and install <a href="https://cmake.org/download/">CMake</a>; choose "Add CMake to the system PATH" option while installing.');
    pre_text.push('Download and install <a href="https://git-scm.com/download/win">Git</a>.');
  }
  if (os_linux && linux_distro === 'Other') {
    var compiler = use_clang ? 'clang >= 3.4, libc++' : 'g++ >= 4.9.2';
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  }
  if (os_freebsd) {
    pre_text.push('Note that the following instruction is for FreeBSD 11.');
    pre_text.push('Note that the following calls to <code>pkg</code> needs to be run as <code>root</code>.');
  }
  if (os_openbsd) {
    pre_text.push('Note that the following instruction is for OpenBSD 6.7 and default KSH shell.');
    pre_text.push('Note that building requires a lot of memory, so you may need to increase allowed per-process memory usage in /etc/login.conf or build from root.');
  }
  if (os_netbsd) {
    pre_text.push('Note that the following instruction is for NetBSD 8.0 and default SH shell.');
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  })();
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    pre_text.push('Close and re-open ' + terminal_name + ' if the PATH environment variable was changed.');
  }
  pre_text.push('Run these commands in ' + terminal_name + ' to build Bot API server and to install it to ' + install_dir + ':');
  document.getElementById('buildPre').innerHTML = '<ul><li>' + pre_text.join('</li><li>') + '</li></ul>';
  document.getElementById('buildPre').style.display = 'block';

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      case 'Ubuntu 14':
        return '-3.9';
      case 'Ubuntu 18':
        return '-6.0';
      case 'Ubuntu 20':
        return '-10';
      default:
        return ''; // use default version
    }
  }

  var commands = [];

  var cmake = 'cmake';
  if (os_mac) {
    commands.push('xcode-select --install');
    commands.push('/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"');
    commands.push('brew install gperf cmake openssl');
  } else if (os_linux && linux_distro !== 'Other') {
    switch (linux_distro) {
      case 'Alpine':
        commands.push(sudo + 'apk update');
        commands.push(sudo + 'apk upgrade');
        var packages = 'alpine-sdk linux-headers git zlib-dev openssl-dev gperf cmake';
        commands.push(sudo + 'apk add --update ' + packages);
        break;
      case 'CentOS 7':
      case 'CentOS 8':
        commands.push(sudo + 'yum update -y');
        var packages = 'gcc-c++ make git zlib-devel openssl-devel';
        if (linux_distro === 'CentOS 7') {
          commands.push(sudo + 'yum install -y centos-release-scl-rh epel-release');
          commands.push(sudo + 'yum install -y devtoolset-9-gcc devtoolset-9-gcc-c++');
          cmake = 'cmake3';
          packages += ' gperf';
        } else {
          commands.push(sudo + 'dnf --enablerepo=powertools install gperf');
        }
        packages += ' ' + cmake;
        commands.push(sudo + 'yum install -y ' + packages);
        break;
      case 'Debian 8/9':
      case 'Debian 10+':
      case 'Ubuntu 14':
      case 'Ubuntu 16':
      case 'Ubuntu 18':
      case 'Ubuntu 20':
        if (linux_distro.includes('Debian') && !use_root) {
          commands.push('su -');
        }
        if (linux_distro === 'Ubuntu 14' && !use_clang) {
          commands.push(sudo + 'add-apt-repository ppa:ubuntu-toolchain-r/test');
        }
        commands.push(sudo + 'apt-get update');
        commands.push(sudo + 'apt-get upgrade');
        var packages = 'make git zlib1g-dev libssl-dev gperf';
        if (linux_distro === 'Ubuntu 14') {
          packages += ' cmake3';
        } else {
          packages += ' cmake';
        }
        if (use_clang) {
          packages += ' clang' + getClangVersionSuffix() + ' libc++-dev';
          if (linux_distro === 'Debian 10+' || linux_distro === 'Ubuntu 18' || linux_distro === 'Ubuntu 20') {
            packages += ' libc++abi-dev';
          }
        } else {
          packages += ' g++';
          if (linux_distro === 'Ubuntu 14') {
            packages += '-4.9';
          }
        }
        commands.push(sudo + 'apt-get install ' + packages);
        if (linux_distro.includes('Debian') && !use_root) {
          commands.push('exit');
        }
        break;
    }
  } else if (os_freebsd) {
    commands.push(sudo + 'pkg upgrade');
    var packages = 'git gperf cmake';
    commands.push(sudo + 'pkg install ' + packages);
  } else if (os_openbsd) {
    if (!use_root) {
      commands.push('su -');
    }
    var packages = 'git gperf php-7.2.10 cmake';
    commands.push('pkg_add -z ' + packages);
    if (!use_root) {
      commands.push('exit');
    }
  } else if (os_netbsd) {
    if (!use_root) {
      commands.push('su -');
    }
    commands.push('export PKG_PATH=ftp://ftp.netbsd.org/pub/pkgsrc/packages/NetBSD/i386/8.0_2019Q2/All');
    var packages = 'git gperf cmake openssl gcc5-libs';
    commands.push('pkg_add ' + packages);
    if (!use_root) {
      commands.push('exit');
    }
  }
  commands.push('git clone --recursive https://github.com/tdlib/telegram-bot-api.git');

  commands.push('cd telegram-bot-api');

  if (use_vcpkg) {
    commands.push('git clone https://github.com/Microsoft/vcpkg.git');
    commands.push('cd vcpkg');
    commands.push(local + 'bootstrap-vcpkg.bat');
    if (build_64bit) {
      commands.push(local + 'vcpkg.exe install gperf:x64-windows openssl:x64-windows zlib:x64-windows');
    } else {
      commands.push(local + 'vcpkg.exe install gperf:x86-windows openssl:x86-windows zlib:x86-windows');
    }
    commands.push('cd ..');
  }

  function getBacicCmakeInitOptions() {
    var options = [];
    if (!use_msvc) {
      options.push('-DCMAKE_BUILD_TYPE=' + (is_debug_build ? 'Debug' : 'Release'));
    }
    if (use_msvc) {
      if (build_64bit) {
        options.push('-A x64');
      } else {
        options.push('-A Win32');
      }
    }
    return options;
  }

  commands.push(use_powershell ? 'Remove-Item build -Force -Recurse -ErrorAction SilentlyContinue' : 'rm -rf build');
  commands.push('mkdir build');
  commands.push('cd build');

  cmake_init_options = getBacicCmakeInitOptions();
  if (os_mac) {
    cmake_init_options.push('-DOPENSSL_ROOT_DIR=' + homebrew_install_dir + '/opt/openssl/');
  }
  cmake_init_options.push('-DCMAKE_INSTALL_PREFIX:PATH=' + install_dir);
  if (use_vcpkg) {
    cmake_init_options.push('-DCMAKE_TOOLCHAIN_FILE:FILEPATH=../vcpkg/scripts/buildsystems/vcpkg.cmake');
  }

  function getCmakeInitCommand(options) {
    var prefix = '';
    if (os_linux) {
      if (use_clang) {
        var clang_version_suffix = getClangVersionSuffix();
        prefix = 'CXXFLAGS="-stdlib=libc++" CC=/usr/bin/clang' + clang_version_suffix + ' CXX=/usr/bin/clang++' + clang_version_suffix + ' ';
      } else if (linux_distro === 'Ubuntu 14') {
        prefix = 'CC=/usr/bin/gcc-4.9 CXX=/usr/bin/g++-4.9 ';
      } else if (linux_distro === 'CentOS 7') {
        prefix = 'CC=/opt/rh/devtoolset-9/root/usr/bin/gcc CXX=/opt/rh/devtoolset-9/root/usr/bin/g++ ';
      }
    }
    return prefix + cmake + ' ' + options.join(' ') + ' ..';
  }
  commands.push(getCmakeInitCommand(cmake_init_options));

  if (os_openbsd) {
    commands.push(cmake + ' --build . --target prepare_cross_compiling');
    commands.push('cd ../td');
    commands.push('php-7.2 SplitSource.php');
    commands.push('cd ../build');
  }
  let build_command = cmake + ' --build . --target install';
  if (use_msvc) {
    if (!is_debug_build) {
      commands.push(build_command + ' --config Release');
    }
    if (is_debug_build) {
      commands.push(build_command + ' --config Debug');
    }
  } else {
    commands.push(build_command);
  }
  if (os_openbsd) {
    commands.push('cd ../td');
    commands.push('php-7.2 SplitSource.php --undo');
  }
  commands.push('cd ../..');
  if (install_dir !== '/usr/local') {
    install_dir = 'telegram-bot-api';
  }
  commands.push((use_powershell ? 'dir ' : 'ls -l ') + install_dir + '/bin/telegram-bot-api*');
  document.getElementById('buildCommands').innerHTML = '<ul><li>' + commands.join('</li><li>') + '</li></ul>';
  document.getElementById('copyBuildCommandsButton').style.display = commands.includes('exit') ? 'none' : 'block';
}

function copyBuildInstructions() {
  var text = document.getElementById('buildCommands').innerText;

  function resetButtonState (state) {
    document.getElementById('copyBuildCommandsButton').classList.remove(state);
    document.getElementById('copyBuildCommandsText').innerText = "Copy";
  }

  navigator.clipboard.writeText(text).then(result => {
    document.getElementById('copyBuildCommandsButton').classList.add('success');
    document.getElementById('copyBuildCommandsText').innerText = "Copied!";
    setTimeout(() => resetButtonState('success'), 5000);
  }, error => {
    document.getElementById('copyBuildCommandsButton').classList.add('fail');
    document.getElementById('copyBuildCommandsText').innerText = "Couldn't copy :(";
    setTimeout(() => resetButtonState('fail'), 5000);
  })
}

</script>

</body>
</html>