#!/usr/bin/env bash

_localPropertiesPath=./android/local.properties

function downloadUrl() {
  if program_exists "aria2c"; then
    aria2c --max-connection-per-server=16 --split=16 --dir="$1" -o "$2" "$3"
  else
    wget --show-progress --output-document="$1/$2" "$3"
  fi
}

function install_nsis() {
  # NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution.
  linux_install nsis
}

function install_node() {
  if nvm_installed; then
    install_node_via_nvm
  else
    install_node_via_package_manager
  fi
}

function install_and_setup_package_manager() {
  if is_macos; then
    install_homebrew_if_needed
    brew_tap "caskroom/cask"
  elif is_linux; then
    # Linux
    buildtools=(
      autoconf
      automake
      build-essential
      cmake
      curl
      g++
      libssl-dev
      libtool
      make
      python-dev
      wget
      unzip
    )

    for package in "${buildtools[@]}"; do
      linux_install "$package"
    done
  fi
}

function install_wget() {
  if is_macos; then
    brew_install wget
  fi
  # it's installed on ubuntu/debian by default
}

function needs_java8_linux() {
  ! program_exists "java" || !(java -version 2>&1 | grep -q "1.8.0")
}

function install_java8() {
  if is_macos; then
    brew_cask_install "caskroom/versions/java8"
  elif is_linux; then
    if needs_java8_linux; then
      sudo su << EOF
       add-apt-repository ppa:webupd8team/java -y
       apt update
       echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | /usr/bin/debconf-set-selections
       apt install -y oracle-java8-installer
EOF
    else
      already_installed "java8"
    fi
  fi
}

function install_leiningen() {
  if is_macos; then
    brew_install leiningen
  elif is_linux; then
    install_leiningen_linux
  fi
}

function install_leiningen_linux() {
  local destination=/usr/bin/lein

  if ! program_exists "lein"; then
    cecho "@b@blue[[+ Installing lein...]]"

    sudo su << EOF
      curl --silent \
        https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein \
        -o $destination

      chmod 755 $destination

      cd $HOME && lein upgrade
EOF
  else
    already_installed "lein"
  fi
}

function install_clojure_cli() {
  if is_macos; then
    brew_install clojure
  elif is_linux; then
    install_clojure_cli_linux
  fi
}

function install_clojure_cli_linux() {
  if ! program_exists "lein"; then
    cecho "@b@blue[[+ Installing Clojure CLI...]]"

    local current_dir=$(pwd)
    sudo su << EOF
      curl --silent \
        https://download.clojure.org/install/linux-install-1.9.0.381.sh \
        -o /tmp/clojure

      chmod +x /tmp/clojure
      cd /tmp
      ./clojure
EOF
    cd "$current_dir"
  else
    already_installed "Clojure CLI"
  fi
}

function install_watchman() {
  if is_macos; then
    brew_install watchman
  elif is_linux; then
    if ! program_exists "watchman"; then
      local current_dir=$(pwd)
      local clone_path="/tmp/watchman"

      git clone https://github.com/facebook/watchman.git $clone_path
      cd $clone_path
      git checkout v4.9.0
      ./autogen.sh && \
        ./configure && \
        make && \
        sudo make install

      cd "$current_dir"
    else
      already_installed "watchman"
    fi
  fi
}

function install_homebrew_if_needed() {
  ! is_macos && return 1

  if test ! $(which brew); then
    cecho "@b@blue[[+ Installing homebrew]]"

    ruby -e "$(curl -fsSL \
      https://raw.githubusercontent.com/Homebrew/install/master/install)"

    brew update
  else
    already_installed "Homebrew"
  fi
}

function install_android_sdk() {
  if is_macos; then
    brew_cask_install android-sdk
  elif is_linux; then
    install_android_sdk_linux
  fi

  use_android_sdk
}

function install_android_sdk_linux() {
  cecho "@b@yellow[[+ Skipping Android SDK setup, not implemented on Linux]]"

  return 1
}

function install_maven() {
  brew_install maven
  linux_install maven
}

function install_react_native_cli() {
  cd "$(repo_path)"

  local npm_command="npm"

  if is_linux && ! nvm_installed; then
    # aptitude version of node requires sudo for global install
    npm_command="sudo npm"
  fi

  if npm list -g | grep -q react-native-cli; then
    already_installed "react-native-cli"
  else
    $npm_command install -g react-native-cli
  fi
}

function install_node_via_nvm() {
  local nvmrc="$(repo_path)/.nvmrc"

  cd "$(repo_path)"

  if [ ! -e "$nvmrc" ]; then
    cecho "@b@blue[[+ Installing Node 8 (Node 10 is not supported by Realm and Node 9 doesn't support npm 5.5.1)]]"

    nvm install 8.9.4
    nvm alias status-im 8.9.4
    echo status-im > "$nvmrc"

    nvm use status-im
    npm install -g npm@5.5.1 # Explicitly downgrade to v5.5.1 of npm, since Status Desktop builds require it (npm install hangs with version higher than 5.5.1). We could maintain two versions of npm (5.5.1 for Desktop and a more recent on for mobile) but that can be confusing and lead to inconsistent environments
  else
    local version_alias=$(cat "$nvmrc")
    nvm use $version_alias

    local version=$(node -v)
    cecho "+ Node already installed ($version_alias $version via NVM)... skipping."
  fi

  local npm_version=$(npm -v)
  if [[ $npm_version != "5.5.1" ]]; then
    cecho "@b@red[[+ npm version $npm_version is installed. npm version 5.5.1 is recommended.]]"
  fi
}

function install_node_via_package_manager() {
  if ! program_exists "node"; then
    if is_macos; then
      brew_install node
    elif is_linux; then
      curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash -
      linux_update

      linux_install nodejs
    fi
  else
    cecho \
      "+ Node already installed ($(node -v) via package manager)... skipping."
  fi
}

function required_pod_version() {
  cat "$(repo_path)/ios/Podfile.lock" | grep "COCOAPODS: " | awk '{ print $2 }'
}

function correct_pod_version_is_installed() {
  ! program_exists "pod" && return 1

  [[ "$(required_pod_version)" == "$(pod --version)" ]]
}

function using_rvm() {
  program_exists "rvm"
}

function initialize_rvm() {
  cd "$(repo_path)"

  if [ ! -e "$(repo_path)/.ruby-version" ]; then
    rvm use --default > /dev/null
    echo "$(rvm current)" > .ruby-version
  fi

  rvm use . >/dev/null
}

function using_cocoapods() {
  is_macos
}

function install_cocoapods() {
  ! using_cocoapods && return 1

  local gem_command="sudo gem"
  local destination="system Ruby"
  local version=$(required_pod_version)

  if using_rvm; then
    initialize_rvm

    gem_command="gem"
    destination="RVM ($(rvm current))"
  fi

  if ! program_exists "pod"; then
    $gem_command install cocoapods -v "$version"
  elif ! correct_pod_version_is_installed; then
    cecho "@b@blue[[+ Updating to cocoapods $version]]"

    $gem_command uninstall cocoapods --ignore-dependencies --silent
    $gem_command install cocoapods -v "$version"
  else
    cecho "+ cocoapods already installed to $destination... skipping."
  fi
}

function dependency_setup() {
  cecho "@b@blue[[\$ $@]]"
  echo

  cd "$(repo_path)"
  eval "$@" || (cecho "@b@red[[Error running dependency install]]" && exit 1)

  echo
  echo "  + done"
  echo
}

function use_android_sdk() {
  if [ -n "$ANDROID_SDK_ROOT" ]; then
    if ! grep -Fq "sdk.dir" $_localPropertiesPath; then
      echo "sdk.dir=$ANDROID_SDK_ROOT" | tee -a $_localPropertiesPath
    fi
  else
    local _docUrl="https://docs.status.im/docs/build_status.html"
    cecho "@yellow[[ANDROID_SDK_ROOT environment variable not defined, please install the Android SDK.]]"
    cecho "@yellow[[(see $_docUrl).]]"

    echo

    exit 1
  fi
}

function install_android_ndk() {
  if grep -Fq "ndk.dir" $_localPropertiesPath; then
    cecho "@green[[Android NDK already declared.]]"
  else
    local _ndkParentDir=~/Android/Sdk
    mkdir -p $_ndkParentDir
    cecho "@cyan[[Downloading Android NDK.]]"

    PLATFORM="linux"
    if [ "$(uname)" == "Darwin" ]; then # we run osx
        PLATFORM="darwin"
    fi

    downloadUrl . android-ndk.zip https://dl.google.com/android/repository/android-ndk-r10e-$PLATFORM-x86_64.zip && \
      cecho "@cyan[[Extracting Android NDK to $_ndkParentDir.]]" && \
      unzip -q -o ./android-ndk.zip -d "$_ndkParentDir" && \
      rm -f ./android-ndk.zip && \
      _ndkTargetDir="$_ndkParentDir/$(ls $_ndkParentDir | grep ndk)" && \
      echo "ndk.dir=$_ndkTargetDir" | tee -a $_localPropertiesPath && \
      cecho "@blue[[Android NDK installation completed in $_ndkTargetDir.]]"
  fi
}