# vim: ft=zsh
# If not running interactively, don't do anything
[[ $- != *i* ]] && return

# {{{ Environment setting and a few options
# Some functions for DRY
is_zsh() { [[ -n ${ZSH_VERSION} ]]; }
if is_zsh; then
	is_exec() { [[ -x $(whence ${1}) ]]; }
	export HOSTNAME=${HOST}
else
	is_exec() { [[ -x $(type -P ${1}) ]]; }
fi

# $PATH
local_bin="${HOME}/.local/bin"
[[ -r ${local_bin} && ${PATH} != *${local_bin}* ]] && PATH=${PATH}:${local_bin}
unset local_bin

# completion
comp_enabled=true

# dotfiles dir
dotfiles="${HOME}/vdotfiles"

# environment
export TIME_STYLE='long-iso'
export LC_ALL='en_US.UTF-8'
export LANG=${LC_ALL}
export PAGER='less -R'
export EDITOR='vim'
export LS_COLORS='no=00:fi=00:di=34:ow=34;40:ln=35:pi=30;44:so=35;44:do=35;44:bd=33;44:cd=37;44:or=05;37;41:mi=05;37;41:ex=01;31:*.cmd=01;31:*.exe=01;31:*.com=01;31:*.bat=01;31:*.reg=01;31:*.app=01;31:*.txt=32:*.org=32:*.md=32:*.mkd=32:*.h=32:*.c=32:*.C=32:*.cc=32:*.cpp=32:*.cxx=32:*.objc=32:*.sh=32:*.csh=32:*.zsh=32:*.el=32:*.vim=32:*.java=32:*.pl=32:*.pm=32:*.py=32:*.rb=32:*.hs=32:*.php=32:*.htm=32:*.html=32:*.shtml=32:*.erb=32:*.haml=32:*.xml=32:*.rdf=32:*.css=32:*.sass=32:*.scss=32:*.less=32:*.js=32:*.coffee=32:*.man=32:*.0=32:*.1=32:*.2=32:*.3=32:*.4=32:*.5=32:*.6=32:*.7=32:*.8=32:*.9=32:*.l=32:*.n=32:*.p=32:*.pod=32:*.tex=32:*.bmp=33:*.cgm=33:*.dl=33:*.dvi=33:*.emf=33:*.eps=33:*.gif=33:*.jpeg=33:*.jpg=33:*.JPG=33:*.mng=33:*.pbm=33:*.pcx=33:*.pdf=33:*.pgm=33:*.png=33:*.ppm=33:*.pps=33:*.ppsx=33:*.ps=33:*.svg=33:*.svgz=33:*.tga=33:*.tif=33:*.tiff=33:*.xbm=33:*.xcf=33:*.xpm=33:*.xwd=33:*.xwd=33:*.yuv=33:*.aac=33:*.au=33:*.flac=33:*.mid=33:*.midi=33:*.mka=33:*.mp3=33:*.mpa=33:*.mpeg=33:*.mpg=33:*.ogg=33:*.ra=33:*.wav=33:*.anx=33:*.asf=33:*.avi=33:*.axv=33:*.flc=33:*.fli=33:*.flv=33:*.gl=33:*.m2v=33:*.m4v=33:*.mkv=33:*.mov=33:*.mp4=33:*.mp4v=33:*.mpeg=33:*.mpg=33:*.nuv=33:*.ogm=33:*.ogv=33:*.ogx=33:*.qt=33:*.rm=33:*.rmvb=33:*.swf=33:*.vob=33:*.wmv=33:*.doc=31:*.docx=31:*.rtf=31:*.dot=31:*.dotx=31:*.xls=31:*.xlsx=31:*.ppt=31:*.pptx=31:*.fla=31:*.psd=31:*.7z=1;35:*.apk=1;35:*.arj=1;35:*.bin=1;35:*.bz=1;35:*.bz2=1;35:*.cab=1;35:*.deb=1;35:*.dmg=1;35:*.gem=1;35:*.gz=1;35:*.iso=1;35:*.jar=1;35:*.msi=1;35:*.rar=1;35:*.rpm=1;35:*.tar=1;35:*.tbz=1;35:*.tbz2=1;35:*.tgz=1;35:*.tx=1;35:*.war=1;35:*.xpi=1;35:*.xz=1;35:*.z=1;35:*.Z=1;35:*.zip=1;35:*.ANSI-30-black=30:*.ANSI-01;30-brblack=01;30:*.ANSI-31-red=31:*.ANSI-01;31-brred=01;31:*.ANSI-32-green=32:*.ANSI-01;32-brgreen=01;32:*.ANSI-33-yellow=33:*.ANSI-01;33-bryellow=01;33:*.ANSI-34-blue=34:*.ANSI-01;34-brblue=01;34:*.ANSI-35-magenta=35:*.ANSI-01;35-brmagenta=01;35:*.ANSI-36-cyan=36:*.ANSI-01;36-brcyan=01;36:*.ANSI-37-white=37:*.ANSI-01;37-brwhite=01;37:*.log=01;32:*~=01;32:*#=01;32:*.bak=01;33:*.BAK=01;33:*.old=01;33:*.OLD=01;33:*.org_archive=01;33:*.off=01;33:*.OFF=01;33:*.dist=01;33:*.DIST=01;33:*.orig=01;33:*.ORIG=01;33:*.swp=01;33:*.swo=01;33:*,v=01;33:*.gpg=34:*.gpg=34:*.pgp=34:*.asc=34:*.3des=34:*.aes=34:*.enc=34:'
# }}}
# {{{ Prompt
if is_zsh; then
	PROMPT="%B%(!..%(1000#..%F{red}%n%f@))%F{blue}%m%f %F{white}%~%f %(1j.+%F{red}%j%f.)%(!.%F{red}.%F{green})%#%f%b "
else
	# Color escapes description
	# color escape looks like \[\e[x;3ym\]
	# background escape looks like \[\e[4ym\]
	# style reset escape is \[\e[0m\]
	# x is style:
	# 0 - regular, 1 - bold, 4 - underlined
	# y is color:
	# 0 - Black, 1 - Red, 2 - Green, 3 - Yellow
	# 4 - Blue, 5 - Magenta, 6 - Cyan, 7 - White
	if [[ ${UID} -eq 1000 || ${UID} -eq 1205 || ${UID} -eq 0 || ${USER} == 'Von Random' ]]; then
		user_ps=""
	else
		user_ps="\[\e[1;31m\]\u\[\e[0m\]@"
	fi
	if [[ $UID -eq 0 ]]; then
		bang_ps='\[\e[1;31m\]\$\[\e[0m\]'
	else
		bang_ps='\[\e[1;32m\]\$\[\e[0m\]'
	fi
	PS1="${user_ps}\[\e[1;34m\]\h\[\e[0m\] \[\e[1;33m\]\v\[\e[0m\] \[\e[37m\]\w\[\e[0m\] ${bang_ps} "
	unset user_ps bang_ps
fi
# }}}
# {{{ Key bindings
if is_zsh; then
	bindkey -e
	# urxvt
	bindkey	'^[[7~'		beginning-of-line			# home
	bindkey	'^[[8~'		end-of-line				# end
	bindkey	'^[Oc'		forward-word				# ctrl + right
	bindkey	'^[Od'		backward-word				# ctrl + left
	bindkey	'^[[3^'		delete-word				# ctrl + del
	bindkey	'^H'		backward-delete-word			# ctrl + backspace
	# screen
	bindkey	'^[[1~'		beginning-of-line			# home
	bindkey	'^[[4~'		end-of-line				# end
	# xterm
	bindkey	'^[[H'		beginning-of-line			# home
	bindkey	'^[[F'		end-of-line				# end
	# most of them (but not urxvt)
	bindkey	'^[[1;5C'	forward-word				# ctrl + right
	bindkey	'^[[1;5D'	backward-word				# ctrl + left
	bindkey	'^[[3;5~'	delete-word				# ctrl + del
	# all of them
	bindkey	'^[[5~'		backward-word				# page up
	bindkey	'^[[6~'		forward-word				# page down
	bindkey	'^[[3~'		delete-char				# del
	bindkey	'^R'		history-incremental-search-backward	# ctrl + R
	bindkey	'^[m'		copy-prev-shell-word			# alt + m
else
	# PgUp/PgDown and ctrl-arrows for skip word
	bind '"[5~"':backward-word
	bind '"[6~"':forward-word
fi
# }}}
# {{{ Aliases
alias vi='command vim'
alias less='command less -R'
alias cower='command cower -c'
alias pacman='command pacman --color=auto'
alias rscreen='command screen -Dr'
alias atmux='command tmux attach'
alias hist='fc -l 1'
alias beep='echo -en "\007"'
alias fixterm='echo "c"'
# iconv
alias iconvwk='command iconv -c -f cp1251 -t koi8-r'
alias iconvuk='command iconv -c -f utf-8 -t koi8-r'
alias iconvku='command iconv -c -f koi8-r -t utf-8'
alias iconvwu='command iconv -c -f cp1251 -t utf-8'
# grc
if is_exec grc; then
	alias ping='command grc --colour=auto ping'
	alias ping6='command grc --colour=auto ping'
	alias traceroute='command grc --colour=auto traceroute'
	alias traceroute6='command grc --colour=auto traceroute'
	alias make='command grc --colour=auto make'
	alias diff='command grc --colour=auto diff'
	alias cvs='command grc --colour=auto cvs'
	alias netstat='command grc --colour=auto netstat'
fi
# ls
if [[ ${OSTYPE} == freebsd* ]]; then
	alias ls='command ls -G '
elif [[ ${OSTYPE} == 'linux-gnu' || ${OSTYPE} == 'cygwin' ]] && [[ ${HOSTNAME} != *pvc* ]]; then
	alias ls='command ls --color=auto --group-directories-first '
fi
alias la='ls -FA'
alias ll='ls -lha'
alias ld='ls -lhda'
if is_exec colordiff; then
	alias diff='command colordiff'
fi
# mount
alias mountiso='sudo mount -t iso9660 -o loop'
alias mountmdf='sudo mount -o loop'
alias mountnrg='sudo mount -o loop,offset=307200'
# git
alias gss='command git status -s'
alias gdf='command git diff'
alias gci='command git commit -a'
alias gup='command git pull'
# svn
alias sss='command svn status'
alias sdf='command svn diff'
alias sci='command svn commit'
alias sup='command svn up'

if is_zsh; then
	# ---> global aliases
	alias -g L='| less -R'
	alias -g H='| head'
	alias -g T='| tail'
	alias -g G='| grep'
	alias -g PV='| pv |'
	alias -g WCL='| wc -l'
	alias -g NCL='| nc -l 17777'
	alias -g TEE='>&1 >>'
	# redirection
	alias -g NO='1> /dev/null'
	alias -g NE='2> /dev/null'
	alias -g EO='2> &1'
	alias -g OE='1> &2'
	# iconv
	alias -g WK='| iconvwk'
	alias -g UK='| iconvuk'
	alias -g KU='| iconvku'
	alias -g WU='| iconvwu'

	# ---> suffix aliases
	editor=${EDITOR}
	text=( 'txt' 'xml' 'cfg' 'cnf' 'conf' 'ini' 'erb' 'pp' )
	for i in ${text[@]}; do
		alias -s ${i}=${editor}
	done

	player='mpv'
	media=( 'mkv' 'mp4' 'avi' 'mpg' 'mp3' 'ogg' 'mpeg' 'mov' 'webm' 'flv' )
	for i in ${media[@]}; do
		alias -s ${i}=${player}
	done

	viewer='eog'
	image=( 'jpg' 'png' 'gif' 'bmp' 'jpeg' )
	for i in ${image[@]}; do
		alias -s ${i}=${viewer}
	done

	# wine:
	if [[ ${OSTYPE} != 'cygwin' ]]; then
		alias -s exe=wine
	fi
fi
# }}}
# {{{ Functions
screenoffdisable() {
	xset -dpms
	xset s off
}
screenoffenable() {
	xset +dpms
	xset s on
}
dotfiles_update() {
	git --work-tree="${dotfiles}" --git-dir="${dotfiles}/.git" pull
	return 0
}
# enable autoload feature for zsh
is_zsh && autoload screenoffdisable screenoffenable dotfiles_update
# }}}
# {{{ Other shell specific settings and sourcing of external files
if is_zsh; then
	SAVEHIST=1000
	HISTFILE="${HOME}/.histfile"
	setopt APPEND_HISTORY EXTENDED_HISTORY HIST_IGNORE_DUPS EXTENDED_GLOB AUTO_CD AUTO_PUSHD PRINT_EXIT_VALUE
	unsetopt BEEP NO_MATCH NOTIFY

	if [[ -n ${comp_enabled} ]]; then
		autoload -Uz compinit zsh/terminfo
		compinit
		setopt MENU_COMPLETE
		zstyle ':completion:*' completer _list _complete _ignored
		zstyle ':completion:*' insert-unambiguous true
		zstyle ':completion:*' file-sort name
		zstyle ':completion:*' format 'Completing %d'
		zstyle ':completion:*' group-name ''
		zstyle ':completion:*' list-colors ''
		zstyle ':completion:*' list-prompt '%SAt %p: Hit TAB for more, or the character to insert%s'
		zstyle ':completion:*' list-suffixes true
		zstyle ':completion:*' menu select=long-list select=0
		zstyle ':completion:*' original true
		zstyle ':completion:*' select-prompt '%SScrolling active: current selection at %p%s'
		zstyle ':completion:*' matcher-list 'm:{[:lower:][:upper:]}={[:upper:][:lower:]}'
		zstyle ':completion:*' rehash true
		zstyle ':completion:*:kill:*:processes' command 'ps --forest -A -o pid,user,cmd'
		zstyle ':completion:*:processes-names' command 'ps axho command'
		zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
	fi
	# command line syntax highlight from https://github.com/zsh-users/zsh-syntax-highlighting
	hl_script='/usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh'
	if [[ -r ${hl_script} ]]; then
		source ${hl_script}
		ZSH_HIGHLIGHT_HIGHLIGHTERS=(main brackets pattern)
		ZSH_HIGHLIGHT_STYLES[path]='fg=white,bold'
		ZSH_HIGHLIGHT_STYLES[path_prefix]='fg=white,bold'
	fi
	# history substring search à la fish from https://github.com/zsh-users/zsh-history-substring-search
	hs_script="${HOME}/.zsh-history-substring-search/zsh-history-substring-search.zsh"
	if [[ -r ${hs_script} ]]; then
		source ${hs_script}
		bindkey '^[[A' history-substring-search-up
		bindkey '^[[B' history-substring-search-down
	fi
	extras=( "${HOME}/.shellrc.extras" "${HOME}/.zshrc.extras" )
	for i in ${extras[@]}; do
		if [[ -r ${i} ]]; then
			source ${i}
		fi
	done
else
	HISTSIZE=1000
	HISTCONTROL=ignoredups:ignorespace
	shopt -s histappend checkwinsize
	[[ ${BASH_VERSINFO} -ge 4 ]] && shopt -s autocd

	completion_path='/usr/share/bash-completion/bash_completion'
	if [[ -n ${comp_enabled} && -r ${completion_path} ]]; then
		source ${completion_path}
	fi
	unset completion_path
	# load additional functions and overrides
	extras=( "${HOME}/.shellrc.extras" "${HOME}/.bashrc.extras" )
	for i in ${extras[@]}; do
		if [[ -r $i ]]; then
			source $i
		fi
	done
	# we want to see exit code on error (it also has to be the last entry here)
	trap 'echo -e "\e[0mbash: exit \e[1;37m$?\e[0m"' ERR
fi
# }}}