#!/bin/bash

source "$HOME/.dotfiles/script_helpers/all.sh"

set -e

cwd=$PWD
platform=`uname`

echo platform: $platform

os_is_windows is_windows
if [[ $is_windows -eq 1 ]]; then
  error "This is only supported on Linux or MacOS.\n"
  exit 1
fi

setup_dotfile_repo() {
  if [ ! -d "$HOME/.dotfiles" ]; then
    printf "${YELLOW}Creating dotfiles symlink${NORMAL}\n"
    ln -s $cwd $HOME/.dotfiles
  fi

  # Used by various things (e.g. vim history)
  mkdir -p $HOME/tmp
}

link() {
  file=$1
  link_file "$HOME/.dotfiles/$file" "$HOME/.$file" 0
}

setup_git() {
  printf "Setting up git...\n"

  FILES=()
  FILES+=('gitconfig')
  FILES+=('githelpers')

  for file in "${FILES[@]}"
  do
    link "$file"
  done
}

setup_zsh() {
  printf "Setting up zsh...\n"

  sudo apt install zsh

  TEST_CURRENT_SHELL=$(expr "$SHELL" : '.*/\(.*\)')
  if [ "$TEST_CURRENT_SHELL" != "zsh" ]; then
    if hash chsh >/dev/null 2>&1; then
      printf "\n${BLUE}Changing the default shell to zsh${NORMAL}\n"
      chsh -s $(grep /zsh$ /etc/shells | tail -1)
    else
      printf "\n${RED}Unable to change the shell because this system does not have chsh.\n"
      printf "${BLUE}If this is Windows then you probably want to run the bash installer.${NORMAL}\n"
    fi
  fi

  FILES=()
  FILES+=('zsh')
  FILES+=('zshrc')
  FILES+=('zshenv')
  FILES+=('zlogin')
  FILES+=('zprofile')

  for file in "${FILES[@]}"
  do
    link "$file"
  done
}

setup_vim() {
  printf "Setting up vim...\n"

  FILES=()
  FILES+=('vim')
  FILES+=('vimrc')

  for file in "${FILES[@]}"
  do
    link "$file"
  done
}

setup_misc() {
  printf "Setting up misc...\n"

  FILES=()
  FILES+=('curlrc')

  for file in "${FILES[@]}"
  do
    link "$file"
  done
}

# ////////////////////////////////////////////////////////////////////////////////////////
# OSX

setup_osx() {
  ./osx/install.sh
}

# ////////////////////////////////////////////////////////////////////////////////////////
# Run

setup_dotfile_repo
setup_git
setup_zsh
setup_vim
setup_misc

if [[ $platform == 'Darwin' ]]; then
  printf "\n${BOLD}Running the OS X installer${NORMAL}\n"
  setup_osx
fi