command_exists () {
  type "$1" &> /dev/null;
}

is_linux () {
    [[ $('uname') == 'Linux' ]];
}

is_osx () {
    [[ $('uname') == 'Darwin' ]]
}

DISABLE_AUTO_TITLE="true"
DISABLE_CORRECTION="false"
COMPLETION_WAITING_DOTS="false"

source "$HOME/.antigen/antigen.zsh"

antigen use oh-my-zsh

antigen bundles <<EOBUNDLES
command-not-found
colored-man
git
git-extras
fasd
# last-working-dir
pip

zsh-users/zsh-completions
unixorn/autoupdate-antigen.zshplugin
# djui/alias-tips               # reminds you if you didn't use an alias
# mfaerevaag/wd
# MikeDacre/cdbk                # set bookmark aliases quickly
unixorn/git-extra-commands
voronkovich/gitignore.plugin.zsh
supercrabtree/k
ascii-soup/zsh-url-highlighter
EOBUNDLES

# Theme
# antigen-bundle arialdomartini/oh-my-git
# antigen theme arialdomartini/oh-my-git-themes arialdo-pathinline
# antigen theme arialdomartini/oh-my-git-themes arialdo-granzestyle
# antigen bundle sindresorhus/pure
antigen theme agnoster
# antigen theme muse
# antigen theme steeef
# antigen theme fishy
export DEFAULT_USER=$USER    # suppress ssh user info for agnoster

antigen bundle sorin-ionescu/prezto modules/completion

antigen bundle zsh-users/zsh-syntax-highlighting
ZSH_HIGHLIGHT_HIGHLIGHTERS=(main brackets pattern)
# Override highlighter colors
ZSH_HIGHLIGHT_STYLES[default]=none
ZSH_HIGHLIGHT_STYLES[unknown-token]=fg=009
ZSH_HIGHLIGHT_STYLES[reserved-word]=fg=009,standout
ZSH_HIGHLIGHT_STYLES[alias]=fg=white,bold
ZSH_HIGHLIGHT_STYLES[builtin]=fg=white,bold
ZSH_HIGHLIGHT_STYLES[function]=fg=white,bold
ZSH_HIGHLIGHT_STYLES[command]=fg=white,bold
ZSH_HIGHLIGHT_STYLES[precommand]=fg=white,underline
ZSH_HIGHLIGHT_STYLES[commandseparator]=none
ZSH_HIGHLIGHT_STYLES[hashed-command]=fg=009
ZSH_HIGHLIGHT_STYLES[path]=fg=214,underline
ZSH_HIGHLIGHT_STYLES[globbing]=fg=063
ZSH_HIGHLIGHT_STYLES[history-expansion]=fg=white,underline
ZSH_HIGHLIGHT_STYLES[single-hyphen-option]=fg=green
ZSH_HIGHLIGHT_STYLES[double-hyphen-option]=fg=green
ZSH_HIGHLIGHT_STYLES[back-quoted-argument]=none
ZSH_HIGHLIGHT_STYLES[single-quoted-argument]=fg=063
ZSH_HIGHLIGHT_STYLES[double-quoted-argument]=fg=063
ZSH_HIGHLIGHT_STYLES[dollar-double-quoted-argument]=fg=009
ZSH_HIGHLIGHT_STYLES[back-double-quoted-argument]=fg=009
ZSH_HIGHLIGHT_STYLES[assign]=none

antigen bundle zsh-users/zsh-history-substring-search
antigen bundle zsh-users/zaw
# From: http://blog.patshead.com/2013/04/more-powerful-zsh-history-search-using-zaw.html
bindkey '^R' zaw-history
bindkey -M filterselect '^R' down-line-or-history
bindkey -M filterselect '^S' up-line-or-history
bindkey -M filterselect '^E' accept-search

zstyle ':filter-select:highlight' matched fg=green
zstyle ':filter-select' max-lines 3
zstyle ':filter-select' case-insensitive yes # enable case-insensitive 
zstyle ':filter-select' extended-search yes # see below

if is_osx; then
  # zsh-history-substring-search
  # bind UP and DOWN arrow keys
  bindkey '^[[A' history-substring-search-up
  bindkey '^[[B' history-substring-search-down
elif is_linux; then
  # bind UP and DOWN arrow keys
  zmodload zsh/terminfo
  bindkey "$terminfo[kcuu1]" history-substring-search-up
  bindkey "$terminfo[kcud1]" history-substring-search-down

  # bind P and N for EMACS mode
  bindkey -M emacs '^P' history-substring-search-up
  bindkey -M emacs '^N' history-substring-search-down

  # bind k and j for VI mode
  bindkey -M vicmd 'k' history-substring-search-up
  bindkey -M vicmd 'j' history-substring-search-down
fi

# antigen bundle tarruda/zsh-autosuggestions
# zle-line-init() {
#     zle autosuggest-start
# }
# zle -N zle-line-init

antigen apply

# export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/share/npm/bin
export PATH=$PATH:/opt/emacs/bin
export VISUAL=vim
export GREP_OPTIONS='--color=always'

# User ctrl-z like alt-tab
fancy-ctrl-z () {
  if [[ $#BUFFER -eq 0 ]]; then
    BUFFER="fg"
    zle accept-line
  else
    zle push-input
    zle clear-screen
  fi
}
zle -N fancy-ctrl-z
bindkey '^Z' fancy-ctrl-z

# From: http://askubuntu.com/questions/1577/moving-from-bash-to-zsh
autoload -U compinit

for func in $^fpath.zwc(N-.r:); autoload -U -w $func

setopt completeinword
setopt prompt_subst

zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}'
zstyle ':completion:*:killall:*' command 'ps -u $USER -o cmd'

autoload select-word-style
select-word-style shell

HISTFILE=~/.zhistory
HISTSIZE=SAVEHIST=5000
setopt incappendhistory
setopt sharehistory
setopt extendedhistory

# superglobs
setopt extendedglob
unsetopt caseglob
unsetopt nomatch 2>/dev/null

setopt interactivecomments # pound sign in interactive prompt

setopt auto_cd
autoload -U promptinit && promptinit
# echo -ne "\033]12;Green\007"

# # Vi mode
# bindkey -v
# bindkey '^R' history-incremental-pattern-search-backward
# bindkey -M viins "\M-." insert-last-word

# Allow deleting backwards
# http://www.zsh.org/mla/workers/2008/msg01653.html
# bindkey -M viins '^?' backward-delete-char
# bindkey -M viins '^H' backward-delete-char

# 10ms for key sequences
KEYTIMEOUT=1

if command_exists 'rvm'; then
  source /usr/local/rvm/scripts/rvm
fi

TERM="xterm-256color"

SCREEN_COLORS="`tput colors`"
if [ -z "$SCREEN_COLORS" ] ; then
    case "$TERM" in
        screen-*color-bce)
            echo "Unknown terminal $TERM. Falling back to 'screen-bce'."
            export TERM=screen-bce
            ;;
        *-88color)
            echo "Unknown terminal $TERM. Falling back to 'xterm-88color'."
            export TERM=xterm-88color
            ;;
        *-256color)
            echo "Unknown terminal $TERM. Falling back to 'xterm-256color'."
            export TERM=xterm-256color
            ;;
    esac
    SCREEN_COLORS=`tput colors`
fi
if [ -z "$SCREEN_COLORS" ] ; then
    case "$TERM" in
        gnome*|xterm*|konsole*|aterm|[Ee]term)
            echo "Unknown terminal $TERM. Falling back to 'xterm'."
            export TERM=xterm
            ;;
        rxvt*)
            echo "Unknown terminal $TERM. Falling back to 'rxvt'."
            export TERM=rxvt
            ;;
        screen*)
            echo "Unknown terminal $TERM. Falling back to 'screen'."
            export TERM=screen
            ;;
    esac
    SCREEN_COLORS=`tput colors`
fi


# # Prediction
# autoload predict-on
# autoload predict-off

# zle -N predict-on
# zle -N predict-off
# bindkey '^X1' predict-on
# bindkey '^X2' predict-off
export ZSH_PLUGINS_ALIAS_TIPS_TEXT="Alias tip: "
AUTOSUGGESTION_HIGHLIGHT_COLOR='fg=magenta'

# Remap RAlt to Ctrl
setxkbmap -option ctrl:ralt_rctrl 
source ~/.system_aliases
if [ -f ~/.personal_aliases ]; then
source ~/.personal_aliases
fi
alias mcm="make clean && make"

export TERM=xterm-256color
# eval "$(fasd --init posix-alias zsh-hook)"

fasd_cache="$HOME/.fasd-init-bash"
if [ "$(command -v fasd)" -nt "$fasd_cache" -o ! -s "$fasd_cache" ]; then
eval "$(fasd --init posix-alias zsh-hook zsh-ccomp zsh-ccomp-install zsh-wcomp zsh-wcomp-install)" >| "$fasd_cache"
fi
source "$fasd_cache"
unset fasd_cache
# jump to recently used items
alias a='fasd -a' # any
alias s='fasd -si' # show / search / select
alias d='fasd -d' # directory
alias f='fasd -f' # file
alias z='fasd_cd -d' # cd, same functionality as j in autojump
alias zz='fasd_cd -d -i' # interactive directory jump


# TMUX Launch
alias tmux='tmux -2'
function m {
    if [[ -z $TMUX ]]; then
        # Attempt to discover a detached session and attach it, else create a new session
        # CURRENT_USER=$(whoami)
        TMUX_CON_SESSION=__dev__
        if tmux has-session -t $TMUX_CON_SESSION 2>/dev/null; then
            tmux -2 attach-session -t $TMUX_CON_SESSION
        else
            tmux -2 new-session -s $TMUX_CON_SESSION
        fi
    else
        # If inside tmux session then print MOTD
        MOTD=/etc/motd.tcl
        if [ -f $MOTD ]; then
            $MOTD
        fi
    fi
}