# z's config for the zsh
# Install: curl -o $HOME/.zshrc -L https://tinyurl.com/nobk-zshrc
TERM=xterm-256color

# Load user rc script
[ -f "$HOME/.zsh_user.zsh" ] && source "$HOME/.zsh_user.zsh"

# History in cache directory:
HISTSIZE=10000
SAVEHIST=10000
if [ -z "$HISTFILE" ]; then
HISTFILE=$HOME/.zsh_history
fi
# Show history
#  "yyyy-mm-dd"
alias history='fc -il 1'

setopt append_history
setopt extended_history
setopt hist_expire_dups_first
setopt hist_ignore_dups # ignore duplication command history list
setopt hist_ignore_space
setopt hist_save_no_dups
setopt hist_verify
setopt inc_append_history
setopt share_history # share command history data

#setopt auto_cd
unsetopt correct_all
setopt multios
setopt prompt_subst
setopt extended_glob

# fixme - the load process here seems a bit bizarre
zmodload -i zsh/complist

WORDCHARS=''

unsetopt menu_complete   # do not autoselect the first completion entry
unsetopt flowcontrol
setopt auto_menu         # show completion menu on successive tab press
setopt complete_in_word
setopt always_to_end

# Basic auto/tab complete:
autoload -U compinit
zstyle ':completion::complete:*' use-cache 1
zmodload zsh/complist
compinit

# case insensitive (all), partial-word and substring completion
if [[ "$CASE_SENSITIVE" = true ]]; then
  zstyle ':completion:*' matcher-list 'r:|=*' 'l:|=* r:|=*'
else
  if [[ "$HYPHEN_INSENSITIVE" = true ]]; then
    zstyle ':completion:*' matcher-list 'm:{a-zA-Z-_}={A-Za-z_-}' 'r:|=*' 'l:|=* r:|=*'
  else
    zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' 'r:|=*' 'l:|=* r:|=*'
  fi
fi
unset CASE_SENSITIVE HYPHEN_INSENSITIVE

zstyle ':completion:*' list-colors ''
zstyle ':completion:*:*:kill:*:processes' list-colors '=(#b) #([0-9]#) ([0-9a-z-]#)*=01;34=0=01'

if [[ "$OSTYPE" = solaris* ]]; then
  zstyle ':completion:*:*:*:*:processes' command "ps -u $USER -o pid,user,comm"
else
  zstyle ':completion:*:*:*:*:processes' command "ps -u $USER -o pid,user,comm -w -w"
fi

# disable named-directories autocompletion
zstyle ':completion:*:cd:*' tag-order local-directories directory-stack path-directories

# Use caching so that commands like apt and dpkg complete are useable
zstyle ':completion::complete:*' use-cache 1
zstyle ':completion::complete:*' cache-path $ZSH_CACHE_DIR

# Don't complete uninteresting users
zstyle ':completion:*:*:*:users' ignored-patterns \
        adm amanda apache at avahi avahi-autoipd beaglidx bin cacti canna \
        clamav daemon dbus distcache dnsmasq dovecot fax ftp games gdm \
        gkrellmd gopher hacluster haldaemon halt hsqldb ident junkbust kdm \
        ldap lp mail mailman mailnull man messagebus  mldonkey mysql nagios \
        named netdump news nfsnobody nobody nscd ntp nut nx obsrun openvpn \
        operator pcap polkitd postfix postgres privoxy pulse pvm quagga radvd \
        rpc rpcuser rpm rtkit scard shutdown squid sshd statd svn sync tftp \
        usbmux uucp vcsa wwwrun xfs '_*'

# ... unless we really want to.
zstyle '*' single-ignored show
if [[ $COMPLETION_WAITING_DOTS = true ]]; then
  expand-or-complete-with-dots() {
    # toggle line-wrapping off and back on again
    [[ -n "$terminfo[rmam]" && -n "$terminfo[smam]" ]] && echoti rmam
    print -Pn "%{%F{red}......%f%}"
    [[ -n "$terminfo[rmam]" && -n "$terminfo[smam]" ]] && echoti smam

    zle expand-or-complete
    zle redisplay
  }
  zle -N expand-or-complete-with-dots
  bindkey "^I" expand-or-complete-with-dots
fi


# Changing/making/removing directory
setopt auto_pushd
setopt pushd_ignore_dups
setopt pushdminus

alias -g ...='../..'
alias -g ....='../../..'
alias -g .....='../../../..'
alias -g ......='../../../../..'
alias -- -='cd -'
alias 1='cd -'
alias 2='cd -2'
alias 3='cd -3'
alias 4='cd -4'
alias 5='cd -5'
alias 6='cd -6'
alias 7='cd -7'
alias 8='cd -8'
alias 9='cd -9'

alias md='mkdir -p'
alias rd=rmdir
alias d='dirs -v | head -10'

# List directory contents
type exa >/dev/null 2>&1 && ((! STOP_EXA )) && {
alias ls='exa --icons --color=auto'
alias lsa='exa -lah --time-style long-iso --icons --color=auto'
alias l='exa -lah --time-style long-iso --icons --color=auto'
alias ll='exa -lgh --time-style long-iso --icons --color=auto'
alias la='exa -lah --time-style long-iso --icons --color=auto'
alias lt='exa -Tlah --time-style long-iso --icons --color=auto'
alias llo='exa -lgh -s old --time-style long-iso --icons --color=auto'
alias lln='exa -lgh -s new --time-style long-iso --icons --color=auto'
} || {
alias ls='ls --color=auto'
type lsd >/dev/null 2>&1 && {
    alias ls='lsd'
    alias lt='ls -l --tree --depth=2'
    alias ltt='ls -l --tree --depth=5'
    alias lla='ls -la --blocks permission,user,group,size,date,name,git'
}
alias lsa='ls -lah'
alias l='ls -lah'
alias ll='ls -lh'
alias la='ls -lAh'
alias lln='ls -ltrh'
alias llo='ls -lth'
}

# Push and pop directories on directory stack
alias pu='pushd'
alias po='popd'

# is x grep argument available?
grep-flag-available() {
    echo | grep $1 "" >/dev/null 2>&1
}

GREP_OPTIONS=""

# color grep results
if grep-flag-available --color=auto; then
    GREP_OPTIONS+=" --color=auto"
fi

# ignore VCS folders (if the necessary grep flags are available)
VCS_FOLDERS="{.bzr,CVS,.git,.hg,.svn}"

if grep-flag-available --exclude-dir=.cvs; then
    GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS"
elif grep-flag-available --exclude=.cvs; then
    GREP_OPTIONS+=" --exclude=$VCS_FOLDERS"
fi

# export grep settings
alias grep="grep $GREP_OPTIONS"

# clean up
unset GREP_OPTIONS
unset VCS_FOLDERS
unfunction grep-flag-available

# cursor keys
case "$TERM" in
        linux) #Linux console
                bindkey '\e[1~'   beginning-of-line      # Home
                bindkey '\e[4~'   end-of-line            # End
                bindkey '\e[3~'   delete-char            # Del
                bindkey '\e[2~'   overwrite-mode         # Insert
        ;;
        screen*)
                bindkey '\e[1~'   beginning-of-line      # Home
                bindkey '\e[4~'   end-of-line            # End
#               bindkey '\e[3~'   delete-char            # Del
                bindkey '\e[2~'   overwrite-mode         # Insert
                bindkey '\e[7~'   beginning-of-line      # Home
                bindkey '\e[8~'   end-of-line            # End
                bindkey '\eOc'    forward-word           # ctrl cursor right
                bindkey '\eOd'    backward-word          # ctrl cursor left
#               bindkey '\e[3~'   backward-delete-char   # This should not be necessary!
                bindkey '\e[H'    beginning-of-line      # Home
                bindkey '\e[F'    end-of-line            # End
                bindkey '\e[3~'   delete-char            # Del
                bindkey '\e[2~'   overwrite-mode         # Insert
                bindkey "^[[5C"   forward-word           # ctrl cursor right
                bindkey "^[[5D"   backward-word          # ctrl cursor left
                bindkey "^[[1;5C" forward-word           # ctrl cursor right
                bindkey "^[[1;5D" backward-word          # ctrl cursor left
                bindkey '^t'    expand-or-complete-prefix
        ;;
        rxvt)
                bindkey '\e[7~'   beginning-of-line      # Home
                bindkey '\e[8~'   end-of-line            # End
                bindkey '\eOc'    forward-word           # ctrl cursor right
                bindkey '\eOd'    backward-word          # ctrl cursor left
                bindkey '\e[3~'   backward-delete-char   # This should not be necessary!
                bindkey '\e[2~'   overwrite-mode         # Insert
        ;;
        xterm*)
                bindkey '\e[H'    beginning-of-line      # Home
                bindkey '\e[F'    end-of-line            # End
                bindkey '^[OH'    beginning-of-line      # Home
                bindkey '^[OF'    end-of-line            # End
                bindkey '\e[1~'   beginning-of-line      # Home
                bindkey '\e[4~'   end-of-line            # End
                bindkey '\e[3~'   delete-char            # Del
                bindkey '\e[2~'   overwrite-mode         # Insert
                bindkey "^[[5C"   forward-word           # ctrl cursor right
                bindkey "^[[5D"   backward-word          # ctrl cursor left
                bindkey "^[[1;5C" forward-word           # ctrl cursor right
                bindkey "^[[1;5D" backward-word          # ctrl cursor left
                bindkey '^t'    expand-or-complete-prefix
                bindkey -s "^[OM" "^M"                   # pad Enter
        ;;
esac

# Load aliases and shortcuts if existent.
[ -f "$HOME/.bash_aliases" ] && source "$HOME/.bash_aliases"

autoload -U colors && colors

# Echoes a username/host string when connected over SSH (empty otherwise)
ssh_info() {
#  [[ "$SSH_CONNECTION" != '' ]] && echo "%{$fg[blue]%}ssh($(echo $SSH_CLIENT | sed 's/\s.*$//'))%{$reset_color%}:" || echo ''
  [[ "$SSH_CONNECTION" != '' ]] && echo "%{$fg[blue]%}ssh%{$reset_color%}:" || echo ''
}

# Load version control information
autoload -Uz vcs_info
precmd() { vcs_info }

# Format the vcs_info_msg_0_ variable
zstyle ':vcs_info:git:*' formats '%b'
setopt PROMPT_SUBST

function os_type
{
  which yum >/dev/null 2>&1 && { echo "CentOS"; return; }
  which zypper >/dev/null 2>&1 && { echo "OpenSUSE"; return; }
  which emerge >/dev/null 2>&1 && { echo "Gentoo"; return; }
}

function os_type2
{
  if [ -f /etc/os-release ]; then
    # freedesktop.org and systemd
    . /etc/os-release
    echo "$NAME" | sed 's/ GNU\/Linux//'; return
  elif type lsb_release >/dev/null 2>&1; then
    # linuxbase.org
    lsb_release -si; return
  elif [ -f /etc/lsb-release ]; then
    # For some versions of Debian/Ubuntu without lsb_release command
    . /etc/lsb-release
    echo "$DISTRIB_ID"; return
  elif [ -f /etc/debian_version ]; then
    # Older Debian/Ubuntu/etc.
    echo "Debian"; return
  else
    uname -s; return
  fi
}

# Enable colors and change prompt:
if [[ -z "${MSYSTEM}" ]]; then
  read tos < /proc/version
  if [[ "$tos" =~ "/*microsoft\-standard*" ]]; then
    wsl="WSL2"
  elif [[ "$tos" =~ "/*Microsoft*" ]]; then
    wsl="WSL"
  fi
  os=$(os_type)
  if [[ -n "$os" ]]; then
    HOSTNAME="%m-$os"
  else
    os=$(os_type2)
    if [[ -n "$os" ]]; then
      HOSTNAME="%m-$os"
    else
      if [[ "$tos" =~ "/*OpenWrt*" ]]; then
        HOSTNAME="%m-OpenWrt"
      elif [[ "$tos" =~ "/*Ubuntu*" ]]; then
        HOSTNAME="%m-Ubuntu"
      elif [[ "$tos" =~ "/*Gentoo*" ]]; then
        HOSTNAME="%m-Gentoo"
      else
        HOSTNAME="%m"
      fi
    fi
  fi
  if [[ -n "$wsl" ]]; then
    HOSTNAME="${HOSTNAME}-${wsl}"
  fi
else
  HOSTNAME="%m-${MSYSTEM}"
  # complete hard drives in msys2
  drives=$(mount | sed -rn 's#^[A-Z]: on /([a-z]).*#\1#p' | tr '\n' ' ')
  zstyle ':completion:*' fake-files /: "/:$drives"
  unset drives
fi
ZSH_SH_SYS="/usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
ZSH_SH_GIT="$HOME/git/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
[ -f $ZSH_SH_GIT ] && ZSH_SYNTAX_HI=$ZSH_SH_GIT || { \
[ -f $ZSH_SH_SYS ] && ZSH_SYNTAX_HI=$ZSH_SH_SYS }
unset ZSH_SH_SYS ; unset ZSH_SH_GIT
if [ ! -z $ZSH_SYNTAX_HI ]; then
  if [ "$(id -u)" -eq 0 ]; then
    CMDCOLOR='fg=228'
    PROMPT='$(ssh_info)%F{9}zsh%#%n@${HOSTNAME} %f%F{69}%9~%f ${vcs_info_msg_0_}
% '
  else
    CMDCOLOR='fg=208'
    PROMPT='$(ssh_info)%F{154}zsh%#%n@${HOSTNAME} %f%F{69}%9~%f ${vcs_info_msg_0_}
% '
  fi
  # Load zsh-syntax-highlighting; should be last.
  source $ZSH_SYNTAX_HI 2>/dev/null
  unset ZSH_SYNTAX_HI
  ALIASCOLOR='fg=39'
  typeset -A ZSH_HIGHLIGHT_STYLES
  ZSH_HIGHLIGHT_STYLES[command]="$CMDCOLOR"
  ZSH_HIGHLIGHT_STYLES[builtin]="$CMDCOLOR"
  ZSH_HIGHLIGHT_STYLES[alias]="$ALIASCOLOR"
else
  if [ "$(id -u)" -eq 0 ]; then
    PROMPT='%F{9}zsh%#%n@${HOSTNAME} %f%F{69}%9~%f ${vcs_info_msg_0_}%F{228}
% '
  else
    PROMPT='%F{154}zsh%#%n@${HOSTNAME} %f%F{69}%9~%f ${vcs_info_msg_0_}%F{208}
% '
  fi
  preexec(){
    echo -ne "\e[0m"
  }
fi
RPROMPT='%1{ %}''%{'$'\e[1A''%}''%F{255}%*%f''%{'$'\e[1B''%}'

# To enable zsh syntax highlighting and async git prompt
# $ mkdir -p ~/git
# $ cd ~/git
# install zsh syntax highlighting on all OS
# $ git clone https://github.com/zsh-users/zsh-syntax-highlighting.git
# or if Ubuntu
# $ sudo apt install zsh-syntax-highlighting
# or if Gentoo
# $ sudo emerge app-shells/zsh-syntax-highlighting
# install async git
# $ git clone https://github.com/nobk/alien.git
# $ cd alien
# $ git submodule update --init --recursive
# optional: update .zshrc to new version
# $ cp ./zshrc-template.zsh ~/.zshrc
# default theme is simple style but all functional.
# you can also change to 'bnw' theme for cool powerline fonts
# or create ~/.zsh_user.zsh by command
# cat <<EOF >> ~/.zsh_user.zsh
#export ALIEN_THEME="bnw"
##STOP_ALIEN=1 #uncomment this is if do not need load alien
#EOF
if ((! STOP_ALIEN )); then
  [ -f "$HOME/git/alien/alien.zsh" ] && {
#   export ALIEN_THEME="bnw"
    unset precmd
    source ${HOME}/git/alien/alien.zsh }
else
  unset STOP_ALIEN
fi

#incr install
# sudo wget https://mimosa-pudica.net/src/incr-0.2.zsh -P /usr/share/incr
# or
# wget https://mimosa-pudica.net/src/incr-0.2.zsh -P $HOME/.incr
# sed -i '/compdef -d scp.*/a compdef -d rsync' $HOME/.incr/incr-0.2.zsh
((! STOP_INCR )) && {
  unsetopt nomatch
  INCRZSH=(/usr/share/incr/incr-*.zsh)
  if [ -f $INCRZSH ]; then
    source $INCRZSH
  else
    INCRZSH=($HOME/.incr/incr-*.zsh)
    [ -f $INCRZSH ] && source $INCRZSH
  fi
  setopt nomatch
  unset STOP_INCR
}