#!/bin/sh

umask 0022

set -o emacs
set -o noclobber

# Locale and language.
export LC_ALL=
export LANG="en_GB.UTF-8"
export LANGUAGE="en_GB:en"
export LC_ADDRESS="en_GB.UTF-8"
export LC_COLLATE="en_GB.UTF-8"
export LC_CTYPE="en_GB.UTF-8"
export LC_IDENTIFICATION="en_GB.UTF-8"
export LC_MEASUREMENT="en_GB.UTF-8"
export LC_MESSAGES="en_GB.UTF-8"
export LC_MONETARY="en_GB.UTF-8"
export LC_NAME="en_GB.UTF-8"
export LC_NUMERIC="en_GB.UTF-8"
export LC_PAPER="en_GB.UTF-8"
export LC_TELEPHONE="en_GB.UTF-8"
export LC_TIME="en_GB.UTF-8"
export PAPERSIZE="a4"
export TIME_STYLE="long-iso"

# Other exports.
export EDITOR=vi
export PYTHONWARNINGS="ignore::UserWarning"

if [ "$SHELL" = "/bin/sh" ]; then
    export PS1='\$ '
else
    export PS1='${SSH_TTY:+[ssh:$(id -un)@$(hostname -s)]}\$ '
fi

if [ "$BASH" ]; then
    shopt -s histappend
    bind '"\e[1;5C": forward-word'
    bind '"\e[1;5D": backward-word'
    bind '"\e[A": history-search-backward'
    bind '"\e[B": history-search-forward'
fi

if [ "$ZSH_VERSION" ]; then
    # Command history.
    autoload -U history-search-end
    zle -N history-beginning-search-backward-end history-search-end
    zle -N history-beginning-search-forward-end history-search-end
    bindkey "^[[A" history-beginning-search-backward-end
    bindkey "^[[B" history-beginning-search-forward-end
    bindkey "^[OA" history-beginning-search-backward-end
    bindkey "^[OB" history-beginning-search-forward-end

    bindkey "^[[1;5C" forward-word  # Ctrl-Right
    bindkey "^[[1;5D" backward-word  # Ctrl-Left
    bindkey "^[[3;5~" delete-char  # Ctrl-Del
    bindkey "^[[3~" delete-char  # Del
    export HISTFILE=$HOME/.zsh_history
    export HISTSIZE=1000000
    export SAVEHIST=1000000
    setopt EXTENDED_HISTORY
    setopt HIST_IGNORE_ALL_DUPS
    setopt HIST_IGNORE_SPACE
    setopt PROMPT_SUBST
    setopt SHARE_HISTORY
fi

LSOPTIONS="-F"
if ls --color=auto /dev/null 2>/dev/null 1>/dev/null; then
    LSOPTIONS="$LSOPTIONS --color=auto"
fi
if [ "$(uname -s)" = "FreeBSD" ]; then
    LSOPTIONS="$LSOPTIONS -G"
fi
if [ "$(uname -s)" = "Linux" ]; then
    alias df="df -x squashfs"
fi

alias adoc="asciidoctor -a stylesheet=$HOME/.asciidoctor.css"
alias cal="ncal -w"
alias ec="emacsclient -c"
alias en="emacsclient -nw"
alias f="fossil"
alias ll="/bin/ls -l"
alias ls="/bin/ls $LSOPTIONS"
alias now="date +%Y%m%dT%H%M%S%z"
alias nowu="date -u +%Y%m%dT%H%M%SZ"
alias ta="$HOME/opt/textadept/textadept"
alias tm="tmux -2 attach-session || tmux -2 new-session"
alias wg="wordgrinder"
alias ytmp3="youtube-dl -q -x --audio-format=mp3"

# QEMU aliases
alias qemu-486="qemu-system-i386 -machine isapc,accel=kvm -cpu 486 -m 16 -vga cirrus -soundhw sb16 -nic none" # -nic user,model=ne2k_isa
alias qemu-p1="qemu-system-i386 -machine pc,accel=tcg -cpu pentium -m 64 -vga cirrus -soundhw sb16 -nic none" # -nic user,model=ne2k_isa
alias qemu-p3="qemu-system-i386 -machine pc,accel=kvm -cpu pentium3 -m 256 -vga cirrus -usb -soundhw sb16 -nic none" # -nic user,model=rtl8139
alias qemu-core2="qemu-system-x86_64 -machine q35,accel=kvm -cpu core2duo -m 2048 -vga qxl -usb -soundhw hda -nic none" # -nic user,model=e1000

if [ ! -d "$HOME/.local/bin" ]; then
    /bin/mkdir -p "$HOME/.local/bin"
fi

# Alias vi to vim if it is installed
if [ -x /usr/bin/vim ] || [ -x /usr/local/bin/vim ]; then
    alias vi="vim"
fi

# Set up GOPATH
export GOPATH="$HOME/data/go"
if [ -x /usr/bin/go ] || [ -x /usr/local/bin/go ]; then
    if [ ! -d "$GOPATH" ]; then
        /bin/mkdir -p "$GOPATH/bin"
        /bin/mkdir -p "$GOPATH/pkg"
        /bin/mkdir -p "$GOPATH/src"
    fi
fi

# Useful aliases for Podman and Docker
alias prun="podman run --rm -it"
alias prunx="podman run -v /tmp/.X11-unix:/tmp/.X11-unix:ro -e DISPLAY=\"unix\$DISPLAY\""
alias drun="sudo docker run --rm -it"
alias drunx="sudo docker run -v /tmp/.X11-unix:/tmp/.X11-unix:ro -e DISPLAY=\"unix\$DISPLAY\""

PATH="/usr/bin:/bin"
for dir in  $HOME/.local/bin \
            $HOME/bin \
            /app/bin \
            /snap/bin \
            /sbin \
            /usr/sbin \
            /usr/X11R6/bin \
            /usr/X11R7/bin \
            /usr/local/bin \
            /usr/local/sbin \
            /usr/pkg/bin \
            /usr/pkg/sbin \
            /usr/games \
            /usr/local/heirloom-doctools/bin \
            /var/lib/snapd/snap/bin \
            $GOPATH/bin \
            $HOME/.cargo/bin \
    ; do
    if [ -d "$dir" ]; then
        PATH="$PATH:$dir"
    fi
done
export PATH

MANPATH="/usr/share/man"
for dir in  $HOME/.local/share/man \
            /usr/X11R6/man \
            /usr/X11R7/man \
            /usr/local/man \
            /usr/pkg/man \
            /usr/local/share/man \
            /usr/local/heirloom-doctools/man \
    ; do
    if [ -d "$dir" ]; then
        MANPATH="$MANPATH:$dir"
    fi
done
export MANPATH

mkcd () {
    if [ $# -ne 1 ]; then
        echo "mkcd: incorrect arguments (one directory required)." >&2
        return 1
    else
        mkdir -p "$1"
        cd "$1"
    fi
}

termtitle () {
    echo -en "\033]0;$1\007"
}

linapm () {
    cat /sys/class/power_supply/BAT0/{status,capacity}
}

cman () {
    # md: start bold
    # us: start underline
    # ue: end underline
    # me: end bold, blink, and underline
    env MANPAGER=less \
        LESS_TERMCAP_md=$'\e[1;36m' \
        LESS_TERMCAP_me=$'\e[0m' \
        LESS_TERMCAP_us=$'\e[4;32m' \
        LESS_TERMCAP_ue=$'\e[0m' \
        /usr/bin/man "$1"
}

xa () {
    OUT=$(xrandr --listactivemonitors | awk 'NR!=1{print " "$NF" "}')
    for monitor in "${OUT}"; do
        m=$(echo $monitor | sed 's/ //g')
        xrandr --output $m --auto
    done
}

if [ -x /usr/bin/yum ] && [ ! -x /usr/bin/dnf ]; then
    alias dnf='yum'
fi

if [ -x /usr/bin/svnlite ] && [ ! -x /usr/local/bin/svn ]; then
    alias svn='svnlite'
    alias svnadmin='svnliteadmin'
    alias svndumpfilter='svnlitedumpfilter'
    alias svnlook='svnlitelook'
    alias svnmucc='svnlitemucc'
    alias svnrdump='svnliterdump'
    alias svnserve='svnliteserve'
    alias svnsync='svnlitesync'
    alias svnversion='svnliteversion'
fi

case $- in
    *i*)
        # Shell is interactive
        printf "\033[7m"
        uname -sr
        printf "\033[0m"
        if [ -r /etc/os-release ]; then
            echo "    $(. /etc/os-release; echo $PRETTY_NAME)"
        fi
        ;;
    *)
        ;;
esac

if [ -r $HOME/.shrc.$(hostname -s) ]; then
    . $HOME/.shrc.$(hostname -s)
fi