#!/usr/bin/env zsh

find_oh_my_zsh() {
  for prefix in "$HOME/." "/usr/share/" "/usr/local/share/"; do
    local zsh_dir="${prefix}oh-my-zsh"
    if [[ -d "$zsh_dir" ]]; then
      export ZSH="$zsh_dir"
      break
    fi
  done
}

configure_oh_my_zsh() {
  # see https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
  export ZSH_THEME="agnoster"

  # use hyphen-insensitive completion (makes `_` and `-` interchangeable)
  export HYPHEN_INSENSITIVE="true"

  # enable command auto-correction
  export ENABLE_CORRECTION="true"

  # display red dots while waiting for completion
  export COMPLETION_WAITING_DOTS="true"

  # disable marking untracked files under VCS as dirty (this makes repository
  # status check for large repositories faster)
  export DISABLE_UNTRACKED_FILES_DIRTY="true"

  # command execution time stamp shown in the history
  export HIST_STAMPS="mm/dd/yyyy"

  # https://github.com/robbyrussell/oh-my-zsh/wiki/Plugins
  plugins=(
    git
    common-aliases
    extract
    # zsh-syntax-highlighting
  )

  if is_linux; then
    plugins+=(command-not-found)
  fi
}

configure_zsh() {
  [[ -f ~/.dircolors ]] && eval "$(dircolors ~/.dircolors)"
  [[ -z "$LS_COLORS" ]] && eval "$(dircolors -b)"

  zstyle ':completion:*' list-colors "${(@s.:.)LS_COLORS}"
}

find_oh_my_zsh
configure_oh_my_zsh
source "$ZSH/oh-my-zsh.sh"
configure_zsh