# -*-Shell-script-*-

# PS4='+ $(date "+%s.%N")\011 '
# set -x

#########################################################################
# This program is free software: you can redistribute it and/or modify  #
# it under the terms of the version 3 of the GNU General Public License #
# as published by the Free Software Foundation.                         #
#                                                                       #
# This program is distributed in the hope that it will be useful, but   #
# WITHOUT ANY WARRANTY; without even the implied warranty of            #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      #
# General Public License for more details.                              #
#                                                                       #
# You should have received a copy of the GNU General Public License     #
# along with this program. If not, see <http://www.gnu.org/licenses/>.  #
#                                                                       #
# Written by and Copyright (C) Francois Fleuret                         #
# Contact <francois@fleuret.org> for comments & bug reports             #
#########################################################################

# The site-specific and confidential settings are in another file

PRIVATE_BASHRC="${HOME}/private/bashrc.perso"

# If the MANPATH is not set, set it

[[ "${MANPATH}" ]] || MANPATH=$(manpath)

export EDITOR='emacs -nw'
export GIT_EDITOR=${EDITOR}

# If the private bashrc exists, execute it

[[ -f "${PRIVATE_BASHRC}" ]] && source "${PRIVATE_BASHRC}"

# !!! THIS HAS TO BE HERE EVEN IN THE NON-INTERACTIVE PART OR YOU WILL
# LOSE YOU PREVIOUS HISTORY !!!

export HISTFILESIZE=20000
export HISTSIZE=${HISTFILESIZE}

export HISTIGNORE="${HISTIGNORE}:&:[ ]*"

# I want to save the command time, but I do not want to see it in
# history

export HISTTIMEFORMAT=""

shopt -s histappend
shopt -s autocd

# I realized that most of my settings are meaningful only in
# interactive mode. This should maybe be done more properly through
# using different .bash_profile and .bash_login

######################################################################

# added by Miniconda3 installer
export PATH="${HOME}/conda/bin:$PATH"

[ ${TERM} == "dumb" ] || [[ ! -t 0 ]] && return

# Remove the annoying beeps in console

# setterm -blength 0

# || setterm --blength 0 # Seriously?

######################################################################
## The interactive part

export VT_RESET=$'\e[0m'
export VT_BOLD=$'\e[1m'
export VT_UNDERLINE=$'\e[4m'
export VT_BLINK=$'\e[5m'

export VT_SET_TITLE=$'\e]0;'
export VT_END_TITLE=$'\007'

export VT_BLACK_FG=$'\e[30m'
export VT_RED_FG=$'\e[31m'
export VT_GREEN_FG=$'\e[32m'
export VT_YELLOW_FG=$'\e[33m'
export VT_BLUE_FG=$'\e[34m'
export VT_MAGENTA_FG=$'\e[35m'
export VT_CYAN_FG=$'\e[36m'
export VT_WHITE_FG=$'\e[37m'

export VT_BLACK_BG=$'\e[40m'
export VT_RED_BG=$'\e[41m'
export VT_GREEN_BG=$'\e[42m'
export VT_YELLOW_BG=$'\e[43m'
export VT_BLUE_BG=$'\e[44m'
export VT_MAGENTA_BG=$'\e[45m'
export VT_CYAN_BG=$'\e[46m'
export VT_WHITE_BG=$'\e[47m'

# Colorize man pages!

export LESS_TERMCAP_us=${VT_GREEN_FG}
export LESS_TERMCAP_ue=${VT_RESET}
export LESS_TERMCAP_md=${VT_BLUE_FG}${VT_BOLD}
export LESS_TERMCAP_me=${VT_RESET}

# I do not like to clutter my home with history files

export LESSHISTFILE=/dev/null

# export LESS_TERMCAP_md=$'\e[1;34;40m'

# This prevents ^S from freezing the shell

# stty -ixon

ulimit -c unlimited

alias ..='cd ..'
alias -- -='cd -'
alias rm='rm -v -i'
alias mv='mv -v -i'
alias chmod='chmod -c'
alias cp='cp -v -i'
alias rd=rmdir
alias md='mkdir -pv'
alias ps='ps uxaf'
alias df='df -hT'
# alias df='df -hT --sync'
alias grep='grep -i -E --color=auto'
alias find='ionice -c3 find'
alias pd=pushd
alias val='valgrind --leak-check=full --show-reachable=yes --db-attach=yes '

alias s='screen -d -R default -U && clear'
alias p='feh --force-aliasing -d --full-screen --auto-zoom'
alias gp=gnuplot

function ext () {
    find . -maxdepth 1 -type f | \grep \. | sed -e 's/^.*\.\([^/.]*\)$/\1/'
}

# function catscan () {
    # convert signal-attachment-2020-06-01-192843.jpeg signal-attachment-2020-06-01-192829.jpeg -quality 25 -sigmoidal-contrast 10,45% -page a4 scan.pdf
# }

function trash-later () {
    dir=${HOME}/misc/trash-later/remove-after-$(date --date='+3 months' +%Y-%b-%d)
    mkdir -p "${dir}"
    pushd "${dir}"
}

function nh () {
    export HISTFILE=/dev/null
    unalias cd
}

function select-tz () {
    # Select a value for TZ
    TMP=$(mktemp /tmp/select-tz.XXXXXX)
    selector -o "${TMP}" <(grep -v ^# /usr/share/zoneinfo/zone.tab  | awk '{print $3}' | sort -u)
    cat "${TMP}"
    \rm -f "${TMP}"
}

function ding () {
    if [[ $1 ]] && which winshepherd.sh
    then
        play -q ~/local/sounds/deskbell.wav &
        unset E_APP_WINDOW
        winshepherd.sh message green "$1"
    else
        play -q ~/local/sounds/deskbell.wav
    fi
}

alias impressive="impressive -s -D 1000 -t Crossfade -T 100"

if [[ -e "${HOME}/.dircolors" ]]
then
    eval $(dircolors "${HOME}/.dircolors")
    alias ls='ls -p --group-directories-first --color'
    alias lt='ls -p --color -gohtr --time-style="+%Y %b %d %H:%M"'
    alias ll='ls -p --color -goh --time-style="+%Y %b %d %H:%M"'
    alias lll='ls -p --color -lth'
    alias l='ls -p --color -I "*~" -I "*.o"'
    alias less='less -R'
else
    alias ls='ls -p --group-directories-first'
    alias lt='ls -p -gohtr --time-style="+%Y %b %d %H:%M"'
    alias ll='ls -p -goh --time-style="+%Y %b %d %H:%M"'
    alias lll='ls -p -lth'
    alias l='ls -p -I "*~" -I "*.o"'
fi

######################################################################
# Ignored extensions when completing

# export FIGNORE="CVS"

function latexdiff () {
    wdiff -n \
        -w $'\033[30;41m' -x $'\033[0m' \
        -y $'\033[30;42m' -z $'\033[0m' \
        "$@"
}

# Looks for the most recent .log and pdflatex + bibtex the
# corresponding tex file

function rl () {
    # RECENT_LOG=$(ls -t $(find -maxdepth 1 -name "*.log" -type f) | head -1)

    RECENT_LOG=$(ls -t *.log | head -1)

    if [[ ${RECENT_LOG} ]]
    then
        FILEBASE="${RECENT_LOG/.log/}"

        if [[ -f "${FILEBASE}.tex" ]]
        then

            pdflatex --shell-escape "${FILEBASE}"
            bibtex "${FILEBASE}"
            pdflatex --shell-escape "${FILEBASE}"
            pdflatex --shell-escape "${FILEBASE}"

            if [[ "$1" ]]
            then
                if [[ "$1" == "-v" ]] || [[ "$1" == "--view" ]]
                then
                    # xpdf "${FILEBASE}.pdf"
                    zathura "${FILEBASE}.pdf"
                elif [[ "$1" == "-p" ]] || [[ "$1" == "--print" ]]
                then
                    lpr "${FILEBASE}.pdf"
                else
                    echo "Usage: rl [-v|--view] [-p|--print]" >&2
                    echo "Unknown option $1" >&2
                    return 1
                fi
            fi

        else

            echo "Can not find a tex file corresponding to the most recent log (${RECENT_LOG/.log/})." >&2
            return 1

        fi

    else
        echo "Can not find a recent log." >&2
        return 1
    fi
}


######################################################################
# Functions

# http://www.reddit.com/r/linux/comments/2cgu5k/a_handy_little_script_for_interacting_with_your/
function clip () {
    if [[ -t 0 ]] && [[ -z "$1" ]]
    then
        # output contents of clipboard
        xclip -out -selection clipboard || exit 1
    elif [[ "$1" ]]
    then
        # copy file contents to clipboard
        xclip -in -selection clipboard < "$1" || exit 1
    else
        # copy stdin to clipboard
        xclip -in -selection clipboard <&0 || exit 1
    fi
}

# Find a file whose name contains a substring

function fn () {
    name=$1
    shift
    find "$@" -name "*${name}*";
}

function bak () {
    while [[ "$1" ]]
    do
        cp "$1" "$1".bak
        shift
    done
}

function scan () {
    n=1

    while [[ -f "${HOME}/scan-${n}.jpg" ]]
    do
        n=$((n+1))
    done

    while [[ "$1" ]]
    do
        if [[ "$1" == "color" ]]
        then
            OPTS+=" --mode Color"
        elif [[ "$1" == "gray" ]]
        then
            OPTS+=" --mode Gray"
        elif [[ "$1" == "a4crop" ]]
        then
            OPTS+=" -l 5 -t 0 -x 200 -y 300"
        elif [[ "$1" == "help" ]] || [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]
        then
            echo "$0 [color|gray] [a4crop]" && return 0
        else
            echo "Unknown argument \`$1'"
        fi
        shift
    done

    echo "**"
    echo "** Scanning to ${HOME}/scan-${n}.jpg"
    echo "**"

    SCANNER=$(scanimage -L | grep "Canon LiDE 60" | sed -e "s/^.*\`\(.*\)'.*$/\1/")

    scanimage -d ${SCANNER} \
              --format=pnm \
              --mode=color \
              --depth=8 \
              -v \
              --resolution=300 \
              ${OPTS} | \
        convert -rotate 180 - "${HOME}/scan-${n}.jpg"

    echo "** Done".
}

# A password generator

function genpw () {
    if [[ "$1" == "-e" ]]
    then
        PW=$(tr -dc A-Z0-9 < /dev/urandom | head -c6)
        shift
    else
        PW=$(tr -dc A-Za-z0-9 < /dev/urandom | head -c16)
    fi
    if [[ ! "$1" == "-s" ]]
    then
       echo "$(date) ${PW}" >> ${HOME}/private/genpw.log
    fi
    echo ${PW}
    # tr -dc [:graph:] < /dev/urandom | head -c16
    echo
}

function ua () {

    [[ "$1" ]] || ( echo "Universal unarchive: ua <file> [<file> ...]" >&2 && return 1)

    while [[ "$1" ]]
    do

        case "$1" in
            *.tgz|*.tar.gz|*.tbz|*.tar.bz2)
                tar xvf "$1"
                ;;

            *.rar)
                unrar -kb x "$1"
                ;;

            *.zip)
                unzip "$1"
                ;;

            *)
                echo "Unknown file extension $1"
                ;;
        esac

        shift

    done
}

# Create a dir and cd there

function mcd () {
    mkdir -vp "$1"
    cd "$1"
}

# Capture the screen in a dated png

function cap () {
    if [[ $2 ]]
    then
        name=$2
    else
        name="capture-$(date +%Y%m%d-%H%M%S).png"
    fi

    if [[ "$1" ]]
    then
        echo "Waiting $1 s and saving to ${name}."
        sleep "$1"
    else
        echo "Saving to ${name}."
    fi

    echo "Please click on the window to capture."
    xwd  | convert xwd:- ${name}
    \ls -l ${name}
}

# Create and CD in a /tmp/tmp.XXXXXX directory. With the '-'
# arguments, do not create one and CD in the most recent instead

function cdt () {
    if [[ "$1" ]]
    then
        if [[ "$1" == "-" ]]
        then
            cd $(\ls -td /tmp/tmp.?????? | head -1)
        else
            echo "USAGE: cdt [-]" >&2
            return 1
        fi
    else
        dir=$(mktemp -d /tmp/tmp.XXXXXX)
        link=/tmp/tmp
        if [[ -h ${link} ]]
        then
            \rm ${link}
        fi
        if [[ ! -a ${link} ]]
        then
            ln -s ${dir} ${link}
        fi
        cd ${dir}
    fi
}

alias t='cd /tmp'
alias a='cd /tmp/at'

function trash () {

    [[ "${TRASH_LATER_ROOT}" ]] || TRASH_LATER_ROOT="${HOME}/.trash"

    if [[ "$1" == "--" ]]
    then
        shift
    elif [[ "$1" == "-l" ]]
    then
        shift
        echo "Trashin in 3 months"
        TRASH_DIR="${TRASH_LATER_ROOT}/remove-after-$(date --date='+3 months' +%Y-%b-%d)"
        mkdir -p "${TRASH_DIR}"
    else
        TRASH_DIR=$(date +/tmp/trash-${USER}-%Y-%b-%d-%Hh)
        LINK=/tmp/trash
        mkdir -p ${TRASH_DIR}
        [[ -h ${LINK} ]] && \rm ${LINK}
        [[ ! -f ${LINK} ]] && ln -s ${TRASH_DIR} ${LINK}
    fi

    mv "$@" "${TRASH_DIR}"
    echo "Trashed $@"
}

function trashlatex () {
    TRASH=$(date +/tmp/trash-latex-${USER}-%Y-%b-%d-%Hh)
    LINK=/tmp/trash

    mkdir -p ${TRASH}

    [[ -h ${LINK} ]] && \rm ${LINK}

    [[ ! -f ${LINK} ]] && ln -s ${TRASH} ${LINK}

    mv -v \
       *.log *.pdf *.aux *.nav *.pdfpc *.snm *.toc *.out \
       *.bbl *.blg \
       *.*.table *.*.gnuplot \
       ${TRASH}
}

######################################################################
## A version of pho which stores the image numbers in environment
## variables

function pho () {
    TEMP=$(mktemp /tmp/pho.XXXXXXX)
    $(which pho) "$@" | tee ${TEMP}
    PHO_NOTE_1=$(grep ^"Note 1: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_2=$(grep ^"Note 2: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_3=$(grep ^"Note 3: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_R90=$(grep ^"Rotate 90 \(CW\): " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_R180=$(grep ^"Rotate 180: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_R270=$(grep ^"Rotate -90 \(CCW\): " ${TEMP} | sed -e "s/^[^:]*: //")
    [[ "${PHO_NOTE_1}" ]] || unset PHO_NOTE_1
    [[ "${PHO_NOTE_2}" ]] || unset PHO_NOTE_2
    [[ "${PHO_NOTE_3}" ]] || unset PHO_NOTE_3
    [[ "${PHO_NOTE_R90}" ]] || unset PHO_NOTE_R90
    [[ "${PHO_NOTE_R180}" ]] || unset PHO_NOTE_R180
    [[ "${PHO_NOTE_R270}" ]] || unset PHO_NOTE_R270
    \rm ${TEMP}
}

######################################################################
## A version of date that shows the time at home if TZ is set

function dt () {
    echo "Local - $(date)"
    unset TZ
    echo "Home  - $(date)"
}

######################################################################
## ifup / ifdown with sudo

[ ${NETUP_HISTORY} ] || NETUP_HISTORY="${HOME}/.netup_history"

function netup () {
    local upped_wifi

    [[ "${WIFI_INTERFACE}" ]] || WIFI_INTERFACE=wlan0

    if [[ "$1" == "--scan" ]]
    then
        if ifconfig -s | grep -v -q ${WIFI_INTERFACE}
        then
            sudo ifconfig ${WIFI_INTERFACE} up
            upped_wifi=1
        fi

        sudo iwlist ${WIFI_INTERFACE} scan | \grep -E 'ESS|Quali|Encry' | sed -e 's/^[ \t]*//'

        if [[ ${upped_wifi} ]]
        then
            sudo ifconfig ${WIFI_INTERFACE} down
            unset upped_wifi
        fi

        return 0
    fi

    if \ifconfig -s | grep -q -v ^'(Iface|lo|docker[0-9]) '
    then
        echo "There is/are already interface(s) up." >&2
        return 1
    fi

    if \ps h -C dhclient | grep -q .
    then
        echo "There is already a dhcp client running." >&2
        return 1
    fi

    if \ps h -C wpa_supplicant | grep -q .
    then
        echo "There is already a wpa_supplicant running." >&2
        return 1
    fi

    if [[ ! "$@" ]] && [[ -s ${NETUP_HISTORY} ]]
    then
        echo "netup <interface>" >&2
        return 1
        # # If we have no argument and there is a .netup_history, use it
        # ARGS=$(cat ${NETUP_HISTORY})
    else
        # Otherwise uses the given arguments, and store them
        ARGS="$@"
        echo ${ARGS} > ${NETUP_HISTORY}
    fi

    if [[ "${PRIVATE_INTERFACE_DEFINITION}" ]]
    then
        ARGS="-i ${PRIVATE_INTERFACE_DEFINITION} ${ARGS}"
    fi

    echo "Executing ${VT_GREEN_FG}[sudo ifup ${ARGS}]${VT_RESET}"
    sudo ifup ${ARGS}

    # Ugly hack to remove the dsl modem dns server when we add
    # explicitely a dns in the /etc/network/interfaces

    REMOVE_LOCAL_DNS=/usr/local/bin/remove-local-dns.sh
    # REMOVE_LOCAL_DNS=${HOME}/sources/scripts/remove-local-dns.sh

    if [[ -x ${REMOVE_LOCAL_DNS} ]]
    then
        echo "Executing ${VT_GREEN_FG}[sudo ${REMOVE_LOCAL_DNS} 192.168]${VT_RESET}"
        sudo ${REMOVE_LOCAL_DNS} 192.168
    fi
}

function netdown () {
    if [[ ! "$@" ]] && [[ -s ${NETUP_HISTORY} ]]
    then
        # If there are no arguments and there is a .netup_history, get the
        # interface from it
        ARGS=$(tail -1 ${NETUP_HISTORY} | sed -e "s/=.*$//")
    else
        # Otherwise, use the standard ifdown
        ARGS="$@"
    fi

    [[ "${PRIVATE_INTERFACE_DEFINITION}" ]] && ARGS="-i ${PRIVATE_INTERFACE_DEFINITION} ${ARGS}"

    echo "Executing sudo ${VT_GREEN_FG}[ifdown ${ARGS}]${VT_RESET}"
    sudo ifdown ${ARGS}

    # if [[ $(\ps -C dhclient | tail -n +2) ]]
    # then
    # echo "There is still a dhcp client running." >&2
    # return 1
    # fi

    # if [[ $(\ps -C wpa_supplicant | tail -n +2) ]]
    # then
    # echo "There is still a wpa_supplicant running." >&2
    # return 1
    # fi
}

function checkgw () {
    GW=$(route -n | grep ^0.0.0.0 | awk '{print $2}')
    if [[ "${GW}" ]]
    then
        ping ${GW}
    else
        echo "Can not find a getaway." >&2
        return 1
    fi
}

######################################################################
# Show the most recent files, no scroll

function lr () {
    TERM_SIZE=($(stty size))
    INVIS="${VT_GREEN_FG}${VT_RESET}"
    \ls -goth --time-style="+${VT_GREEN_FG}%Y %b %d %H:%M${VT_RESET}" "$@" | \
        head -$((TERM_SIZE[0]-2)) | cut -b1-$((TERM_SIZE[1]+${#INVIS}))
}

######################################################################

reduce-pdf () {

    # /screen selects low-resolution output
    # /ebook selects medium-resolution output
    # /printer selects "Print Optimized" setting.
    # /prepress selects "Prepress Optimized" setting.

    quality="printer"

    while [[ "$1" ]]
    do
        if [[ "$1" == "--help" ]] || [[ "$1" == "-h" ]]
        then
            echo "$0 [<file.pdf>|--quality <screen|ebook|printer|prepress>] ..."
            return 0

        elif [[ "$1" == "--quality" ]]
        then
            shift
            quality="$1"

        elif [[ -f "$1" ]]
        then
            result="$(basename "$1" .pdf)-${quality}.pdf"
            echo -n "Generating ${result} with quality ${quality} ... "
            gs -sDEVICE=pdfwrite \
               -dCompatibilityLevel=1.4 \
               -dPDFSETTINGS=/${quality} \
               -dColorConversionStrategy=/LeaveColorUnchanged \
               -dNOPAUSE -dQUIET -dBATCH \
               -sOutputFile="${result}" "$1"
            echo "done."
            ls -hl "$1" "${result}"

        else
            echo "Cannot fine $1"

        fi
        shift
    done
}

######################################################################
# You can change the xterm background color on the fly!

function setxtermbg () {
    echo -n $'\e]11;'$1$'\007'
}

######################################################################
# Shuffle the lines from the stdin

function shuffle () {
    SEED=$1
    [[ $SEED ]] || SEED=0
    awk 'BEGIN{srand('${SEED}')} { print rand()" "$0 }' | sort -g | sed -e "s/^[0-9\.e\-]* //"
}

######################################################################
# Stores the last entered command into a file

KEPT_COMMANDS=${HOME}/.kept_bash_commands

function keep () {
    if [[ ${KEPT_COMMANDS} ]]
    then
        TOKEEP=$(mktemp /tmp/keep.XXXXXX)
        if [[ "$@" ]]
        then
            echo "$@" > ${TOKEEP}
        else
            selector -b -i -d -l ${HISTSIZE} -o "${TOKEEP}" <(history)
        fi

        if [[ -s "${TOKEEP}" ]]
        then
            echo $(date)": "$(cat ${TOKEEP}) >> ${KEPT_COMMANDS}
            cat "${TOKEEP}"
        else
            echo "No command stored!"
        fi

        \rm ${TOKEEP}
    else
        echo "You have to set \$KEPT_COMMANDS"
    fi
}

######################################################################
# I sometime burn CDs and DVDs

function burn () {
    [[ "${DEV_BURNER}" ]] || DEV_BURNER="/dev/sr0"
    if [[ ! "$1" ]]
    then
        echo "burn <iso name | dirname>" >&2
    elif [[ -f "$1" ]]
    then
        if [[ $(file "$1" | \grep -E 'ISO 9660|UDF filesystem data') ]]
        then
            wodim -eject -v dev=${DEV_BURNER} "$1"
        else
            echo "Do not know what to do with $1" >&2
        fi
    elif [[ -d "$1" ]]
    then
        [[ "${TMP_ROOT}" ]] || TMP_ROOT=/tmp/
        echo "Using ${TMP_ROOT} as temporary directory."
        TMP=$(mktemp ${TMP_ROOT}/cdimage.XXXXXX) && \
            genisoimage -input-charset iso8859-1 -r -o ${TMP} "$1" && \
            wodim -eject -v dev=${DEV_BURNER} ${TMP}
        rm -f ${TMP}
    else
        echo "Can not find $1" >&2
    fi
}

######################################################################
# And watch DVDs too!

function dvd () {

    echo
    echo " ! @   Seek to the beginning of the previous/next chapter"
    echo " j     Cycle through the available subtitles"
    echo " o     Show/hide the timing"
    echo " x z   Subtitle delay"
    echo " / *   Volume"
    echo

    if [[ "$1" ]]
    then
        dvd_device="$1"
        shift
    else
        dvd_device="/dev/dvd"
    fi

    title="1"

    if [[ "$1" ]]
    then
        title=$1
        shift
    fi

    # -vc ffmpeg12 -vf yadif

    mplayer > /dev/null \
        -stop-xscreensaver \
        -quiet \
        -alang en -slang en \
        -softvol -softvol-max 1000 \
        -dvd-device ${dvd_device} ${MPLAYER_OPTIONS} dvd://${title}
}

function ripdvd () {
    if [[ -e "/dev/dvd" ]]
    then
        DVD_DEVICE="/dev/dvd"
    elif [[ -e "/dev/dvd3" ]]
    then
        DVD_DEVICE="/dev/dvd3"
    else
        echo "Can not find the dvd device." >&2
        return 1
    fi

    echo "Attempting to rip from ${DVD_DEVICE}."

    mkdir -p ${HOME}/dvds

    cd ${HOME}/dvds
    time dvdbackup -i ${DVD_DEVICE} -v -M "$@" && eject
}

alias ripcd=abcde

######################################################################
# Create small images from images

function mksmall () {

    if [[ "$1" == "--params" ]]
    then
        shift
        PARAMS="$1"
        shift
    fi

    [[ "${PARAMS}" ]] || PARAMS="-geometry 1280x1024"

    # Auto-orient does not seem to work at all, hence the ugly hack
    # with exif below

    # PARAMS="-auto-orient -geometry 800x600"

    echo "Using ${PARAMS}"

    DEST_DIR=$1

    [[ ${DEST_DIR} ]] || DEST_DIR=./small

    mkdir -p ${DEST_DIR}

    if [[ ! -d ${DEST_DIR} ]]
    then
        echo "Can not create ${DEST_DIR}" >&2
        return
    fi

    NB_TOTAL=$(find -maxdepth 1 -type f | wc -l)
    NB=0

    for i in $(find -maxdepth 1 -type f)
    do
        if [[ $(file $i | grep image) ]]
        then
            if [[ -e ${DEST_DIR}/$i ]]
            then
                echo "The file ${DEST_DIR}/$i already exists."
            else
                if [[ $(file ${i/%.*/}.* | grep -E movie) ]] 
                then
                    CAPTION_PARAMS="-font FreeSans-Bold -pointsize 32 -fill green -annotate +10+32 Video"
                else
                    CAPTION_PARAMS=""
                fi

                convert ${rotation_cmd} $i ${PARAMS} ${CAPTION_PARAMS} ${DEST_DIR}/$i
            fi

            \ls -lt ${DEST_DIR}/$i
        fi

        NB=$((NB+1))

        echo "$((NB*100/NB_TOTAL))% (${NB}/${NB_TOTAL})"
    done
}

######################################################################
# Move a file to the ~/sources/config directory and replace it where
# it was by a symbolic link

function mvtoconfig () {
    CONFIGDIR=${HOME}/sources/config
    if [[ -d ${CONFIGDIR} ]]
    then
        NEWNAME=${CONFIGDIR}/$(basename "$1" | sed -e "s/^\.//")
        mv "$1" $NEWNAME
        ln -s $NEWNAME $1
    else
        echo "Can not find ${CONFIGDIR}"
    fi
}


######################################################################
# git prompt

if which > /dev/null git
then

    parse_git_branch() {
        git 2>/dev/null rev-parse --abbrev-ref HEAD | sed -e 's/^\(.*\)$/(\1) /'
    }

    export PS_GIT="${VT_GREEN_FG}\$(parse_git_branch)"
fi

######################################################################
# The complex prompt policy

export PS1

if [[ "${CONSOLE}" == "yes" ]]
then

    PS1=""

else

    # If the login is a standard one (as specified in
    # IGNORED_PROMPT_LOGIN, which is set in the private bash file), do not
    # show it. I have IGNORED_PROMPT_LOGIN="^fleuret$".

    if [[ ! ${IGNORED_PROMPT_LOGIN} ]] || [[ ! ${USER} =~ ${IGNORED_PROMPT_LOGIN} ]]
    then
        IDENT="${USER}"
    fi

    # If the display is not the main one, make the assumption that the
    # shell is not running on the localhost, and show the hostname

    [[ "${DISPLAY}" != ":0.0" ]] && IDENT="${IDENT}@\h"

    # If there is the login or the hostname, add a ":" to the prompt

    [[ "${IDENT}" ]] && IDENT="${IDENT}:"

    #    IDENT="${PS_GIT}${VT_BLACK_FG}${IDENT}"

    if [[ ${USER} == "root" ]]
    then
        # If we are root, show that in red
        PS1="\[${VT_RED_BG}${VT_WHITE_FG}\]${IDENT}\w\[${VT_RESET}\] "
    else
        if [[ $(\grep QEMU /proc/cpuinfo) ]]
        then
            # If we are in a qemu virtual machine, in yellow
            PS1="\[${VT_YELLOW_BG}${VT_BLACK_FG}\]${IDENT}\w\[${VT_RESET}\] "
        else
            # Otherwise in white
            PS1="\[${VT_WHITE_BG}${VT_BLACK_FG}\]${IDENT}\w\[${VT_RESET}\] "
        fi
    fi

fi

#PS1="${PSCUE}${PS1}"

######################################################################
# This implements a local history. If we are in a directory containing
# a writable local history file, we add the last line of the global
# history to it.

LOCAL_HISTORY_FILE=".local_bash_history"

function keep_local_history () {
    if [[ -w "${LOCAL_HISTORY_FILE}" ]]
    then
        history 1 | sed -e 's/^ *[0-9]* *//' >> ${LOCAL_HISTORY_FILE}
        TMP=$(mktemp /tmp/lh.XXXXXX)
        \chmod 600 ${TMP}
        uniq < ${LOCAL_HISTORY_FILE} | tail -${HISTSIZE} > ${TMP}
        # mv would replace a symbolic link, while cp keeps it
        \cp ${TMP} ${LOCAL_HISTORY_FILE}
        \rm ${TMP}
        LOCAL_HISTORY_HINT="* "
    else
        LOCAL_HISTORY_HINT=""
    fi
}

PS1="\[${VT_WHITE_BG}\]\${LOCAL_HISTORY_HINT}\[${VT_RESET}\]${PS1}"

######################################################################
# Show the history path if it is unusual

function histfile_cue () {
    if [[ ! "${HISTFILE}" == "${HOME}/.bash_history" ]]
    then
        HISTORY_CUE="[${HISTFILE}]"
    else
        HISTORY_CUE=""
    fi
}

PS1="\[${VT_YELLOW_BG}\]\${HISTORY_CUE}\[${VT_RESET}\]${PS1}"

######################################################################
# The dus command is available on my web site
#
# git clone http://fleuret.org/git/dus/

alias dus='dus -f -i'

######################################################################
# The finddup command is available on my web site
#
# git clone http://fleuret.org/git/finddup/

alias finddup='finddup -p'

######################################################################
# The selector command is available on my web site
#
# git clone http://fleuret.org/git/selector/

export SELECTOR_CD_HISTORY_SIZE=10000

source bash-selector.sh --hist --cd

######################################################################
# And we avoid to put in the history the use of the selector, which we
# do too often

HISTIGNORE="${HISTIGNORE}:selector-history"

######################################################################

function selector-printer () {
    TMP=$(mktemp /tmp/selector-printer.XXXXXX)
    selector -o ${TMP} <(lpstat -a | awk '{print $1}')
    export PRINTER=$(cat ${TMP})
    echo "PRINTER=${PRINTER}"
    rm -f ${TMP}
    lpq
}

######################################################################
# A ls with memory to notice what files have been added/removed from
# the current directory

function lsn () {
    [[ "${LSN_STATE_FILE}" ]] || LSN_STATE_FILE=".lsn-state"

    if  [[ $1 == "--mem" ]] || [[ "$1" == "-m" ]]
    then

        \ls -pa | sort > "${LSN_STATE_FILE}"
        echo "State updated." >&2

    elif [[ $1 == "+" ]]
    then

        shift

        TMP=$(mktemp /tmp/lsn.XXXXXX)
        \ls -d "$@" > ${TMP}
        cat "${LSN_STATE_FILE}" >> ${TMP}
        sort ${TMP} | uniq -u > "${LSN_STATE_FILE}"
        \rm ${TMP}

    elif [[ "$1" ]]
    then
        cat >&2 <<EOF
lsn [--help|-h] [--mem|-m] [+ <file> ...]

Where

  --help|-h
     prints this help

  --mem|-m
     stores the current state of the directory

  + <file> [<file> ...]
     switches the presence/absence of the indicated files in the
     stored state

EOF
        if [[ ! "$1" == "-h" ]] && [[ ! "$1" == "--help" ]]
        then
            echo >&2 "Unknown option \`\`$1''."
            return 1
        fi

    else

        if [[ -f "${LSN_STATE_FILE}" ]]
        then
            TMP=$(mktemp /tmp/lsn.XXXXXX)
            \ls -pa | sort > ${TMP}
            if diff > /dev/null ${TMP} "${LSN_STATE_FILE}"
            then
                echo "${VT_GREEN_FG}${VT_BOLD}No change (since $(date +"%b %d, %Y" -r "${LSN_STATE_FILE}"))${VT_RESET}"
            else
                \comm -1 -3 "${LSN_STATE_FILE}" ${TMP}
                \comm -2 -3 "${LSN_STATE_FILE}" ${TMP} | while read line
                                                         do
                    echo "${VT_RED_FG}${VT_BOLD}${line}${VT_RESET} (missing)"
                done
            fi
            \rm ${TMP}
        else
            echo "${VT_RED_FG}${VT_BOLD}No lsn state here.${VT_RESET}" >&2
            return 1
        fi

    fi
}

######################################################################

function prompt_command () {
    [[ "${CORE_CHECK_PWD}" == ${PWD} ]] || find . -maxdepth 1 -name "core__*" | awk '{print "'${VT_RED_FG}'"$0"'${VT_RESET}'"}'
    CORE_CHECK_PWD=${PWD}

    # if [[ $(umask) != 0022 ]]
    # then
        # echo "Umask changed to $(umask)"
    # fi
    # save the history after every command to avoid loosing some when
    # multiple shells are open
    history -a
    # load the saved history
    # history -n
    # and the local histories system defined above
    keep_local_history
    # and the history cue
    histfile_cue
}

PROMPT_COMMAND="prompt_command"

######################################################################

# Displaying the timezone if it is set

[[ ${TZ} ]] && echo "${VT_BLUE_FG}Time zone is ${TZ}.${VT_RESET}"

######################################################################

source /usr/share/bash-completion/bash_completion