#!/usr/bin/env bash

export TEXTDOMAINDIR=/usr/share/locale
export TEXTDOMAIN=ublinux_functions

# Make from ini file text file with strings like [SECTION]Name=Value
# $1 - input filename
# stdout - result file
function ini2simple(){
 SECTION='[]'
 cat $1 | while read a ;do
  [ "$a" = "" ] && continue
  if [ "${a#\[*\]}" = "" -a "$a" != "" ] ;then
     SECTION=$a
  else
     echo "$SECTION$a"
  fi
 done
}

# Restore ini file from text file with strings like [SECTION]Name=Value
# $1 - input filename
# stdout - result file
function simple2ini(){
 LASTSECTION='[]'
 cat $1 | while read a ;do
  SECTION=${a%%\]*}']'
  if [ "$SECTION" != "$LASTSECTION" ] ;then
     [ "LASTSECTION" != "[]" ] && echo
     echo "$SECTION"
     LASTSECTION=$SECTION
  fi
  echo ${a#\[*\]}
 done
}

# It include string from $2 file and apply to $1 file
# $1 - base file
# $2 - included file
function apply2simple(){
 cat "$2" | while read a ;do
  SECTION=${a%%\]*}
  SECTION=${SECTION#\[}
  STR=${a#\[*\]}
  PNAME=${STR%%=*}
  PVAL=${a#*=}
#  echo $SECTION $PNAME $PVAL
  echo -ne >"$1.tmp"
  echo -ne >"$1.lck"
  FOUNDS=
  cat "$1" | while read b ;do
     BSECTION=${b%%\]*}
     BSECTION=${BSECTION#\[}
     BSTR=${b#\[*\]}
     BPNAME=${BSTR%%=*}
     BPVAL=${b#*=}
     
     [ "$BSECTION" = "$SECTION" ] && FOUNDS=1
     if [ "$BSECTION" = "$SECTION" -a "$BPNAME" = "$PNAME" ] ;then
        b="$a"
        rm -f "$1.lck"
     fi
     if [ "$BSECTION" != "$SECTION" -a "$FOUNDS" != "" -a -f "$1.lck" ] ;then
        echo "$a"  >> "$1.tmp"
        rm -f "$1.lck"
     fi
     echo "$b" >> "$1.tmp"
  done
  [ -f "$1.lck" ] && echo "$a" >> "$1.tmp"
  mv -f "$1.tmp" "$1"
  rm -f "$1.lck"
 done
}

# It include string from $2 ini file and apply to $1 ini file
# $1 - base file
# $2 - included file
function concatenate_ini(){
 [ -f "$1" -a -f "$2" ] || return 1
 ini2simple "$1" >"$1.tmp"
 ini2simple "$2" >"$2.tmp"
 apply2simple "$1.tmp" "$2.tmp"
 simple2ini "$1.tmp" >"$1"
 rm -f "$1.tmp" "$2.tmp"
}

detectDE(){
    [[ -z ${SESSION} && ${KDE_FULL_SESSION} == true ]]      && SESSION=kde
    [[ -z ${SESSION} && ${XDG_CURRENT_DESKTOP} == XFCE ]]   && SESSION=xfce
    [[ -z ${SESSION} && ${DESKTOP_SESSION} == LXDE ]]       && SESSION=lxde
    [[ -z ${SESSION} && ${XDG_CURRENT_DESKTOP} == LXQt ]]   && SESSION=lxqt
    [[ -z ${SESSION} && ${DESKTOP_SESSION} == i3 ]]         && SESSION=i3
    [[ -z ${SESSION} && ${XDG_CURRENT_DESKTOP} == i3 ]]     && SESSION=i3
    [[ -z ${SESSION} && ${DESKTOP_SESSION} == i3term ]]     && SESSION=i3term
    [[ -z ${SESSION} && ${XDG_CURRENT_DESKTOP} == i3term ]] && SESSION=i3term
    [[ -z ${SESSION} && ${XDG_CURRENT_DESKTOP} == MATE ]]   && SESSION=mate
    if [[ -z ${SESSION} ]]; then
         ps -A | grep -q " xfce4-session$" && SESSION=xfce
         ps -A | grep -q " kdeinit$"       && SESSION=kde
         ps -A | grep -q " i3$"          && SESSION=i3
         ps -A | grep -q " i3term$"      && SESSION=i3term
         ps -A | grep -q " gnome-panel$"   && SESSION=gnome
         ps -A | grep -q " gnome-shell$"   && SESSION=gnome-shell
         ps -A | grep -q " plasmashell$"   && SESSION=plasma
    fi
    [[ -z ${SESSION} && -x /usr/bin/startxfce4 ]]  && SESSION=xfce
    [[ -z ${SESSION} && -x /usr/bin/startlxde ]]   && SESSION=lxde
    [[ -z ${SESSION} && -x /usr/bin/startlxqt ]]   && SESSION=lxqt
    [[ -z ${SESSION} && -x /usr/bin/plasmashell ]] && SESSION=plasma
    [[ ${SESSION} == kde && -x /usr/bin/plasmashell ]] && SESSION=plasma
    echo ${SESSION}
}

# ===========================================================
# liblinuxlive functions
# ===========================================================

debug_log(){
   if grep -q "debug" /proc/cmdline ; then
      echo "- debug: $*" >&2
      log "- debug: $*"
   fi
}

log(){
   echo "$@" 2>/dev/null >>/var/log/ublinuxlog
}

debug_mode(){
  if [ "$(cmdline_parameter debug)" -o "$DEBUGMODE" == "yes" ] ; then
     name=$(basename $0)
     slash="/"
     [ "$(pwd)" == "/union" ] && slash=""
     if ! test -f  ${slash}var/log/ublinux/${name}.log ; then
        echo "$0 --  debug mode enabled"
        test -d ${slash}var/log/ublinux || mkdir -p ${slash}var/log/ublinux
        echo $(date) >   ${slash}var/log/ublinux/${name}.log || echo "can not create log file"
        $0 "$@" 2>&1 | tee -a ${slash}var/log/ublinux/${name}.log
        exit 0
     fi
  fi
}

echodebug(){
  [ "$DEBUG_IS_ENABLED" -o "$DEBUGMODE" == "yes" ] && echo "$1"
  if [ -n "$2" ] ;then
    command=$2
    shift ; shift
    if [ -z $1 ] ;then
      $command
    else
      $command "$@"
    fi
  fi
}

# Create module
# call mksquashfs with apropriate arguments
# $1 = directory which will be compressed to squashfs module
# $2 = output filesystem module file
# $3..$9 = optional arguments like -keep-as-directory or -b 123456789
create_module(){
   . /usr/lib/ublinux/os-config
   . /etc/ublinux/config 2>/dev/null
   echo " $@ " | egrep -q ' -comp | -noD ' && MKSQFS_OPTS=
   mksquashfs "$1" "$2" $MKSQFS_OPTS $3 $4 $5 $6 $7 $8 $9 -noappend >/dev/null || return 1
   chmod 444 "$2"
}

# look into cmdline and echo $1 back if $1 is set
# $1 = value name, case sensitive, for example 'debug'
cmdline_parameter(){
   . /etc/ublinux/config 2>/dev/null || . etc/ublinux/config 2>/dev/null
   echo -n " $CMDLINE " | cat /proc/cmdline - 2>/dev/null | tr "[:cntrl:]" " " | egrep -m1 -o "(^|[[:space:]])$1([[:space:]]|\$)" | head -1 | tr -d " "
}

# look into cmdline and echo value of $1 option
# $1 = value name, case sensitive, for example 'changes'
cmdline_value(){
   . /etc/ublinux/config 2>/dev/null || . etc/ublinux/config 2>/dev/null
   echo -n " $CMDLINE " | cat /proc/cmdline - 2>/dev/null | tr "[:cntrl:]" " " | egrep -m1 -o "(^|[[:space:]])$1=[^[:space:]]+" | head -1 | cut -d "=" -f 2-
}

# Find and run all scripts from the given module
# This function is used by the activate and deactivate script when the distro
# is already started, not during live setup
# $1 = mounted module full path
# $2..$n = optional arguments for the scripts, eg. 'start'
find_n_run_scripts(){
   debug_log "find_n_run_scripts" "$*"
   local MOD

   MOD="$1"
   shift

   RCPATH=/etc/rc.d/init.d
   [ -d $RCPATH ] || RCPATH=/etc/init.d
   RUNLEVEL=$(runlevel | awk '{print $2}')
   [ -d "/etc/rc$RUNLEVEL.d" ] && RCPATH=/etc/rc$RUNLEVEL.d
   [ -d "/etc/rc.d/rc$RUNLEVEL.d" ] && RCPATH=/etc/rc.d/rc$RUNLEVEL.d
   RUNSCRIPTS="$MOD$RCPATH|$MOD/usr/lib/ublinux/rc.local|$MOD/usr/lib/ublinux/rc.post"
   echo $@ | grep -q start || RUNSCRIPTS="$MOD$RCPATH"

   find "$MOD" | egrep "$RUNSCRIPTS" | cut -b "${#MOD}"- | cut -b 2- | xargs -n 1 -r readlink -f | sort -u | \
       while read SCRIPT; do
         if [ "$SCRIPT" != "" -a -x "$SCRIPT" -a ! -d "$SCRIPT" ]; then
            # call the script by real path, not from the module
            log "starting '"$SCRIPT" $@'"
            "${SCRIPT}" "$@"
         fi
       done
}

# test if the script is started by root user. If not, exit
allow_only_root(){
  if [ "0$UID" -ne 0 ]; then
     echo "Only root can run $(basename $0)"; exit 1
  fi
}


#####################
# Hotkeys functions #
#####################

show_run(){
  DE=$(detectDE)
  if [ "$DE" = "kde" -o "$DE" = "plasma" ] ; then
    krunner
  elif [  "$DE" = "gnome" ] ; then
    gnome-panel-control --run-dialog
  elif [  "$DE" = "lxqt" ] ; then
    lxqt-runner
  else
    rofi -config /usr/share/ublinux/i3/rofi.cfg -show 
  fi
}

lock_session(){
  DE=$(detectDE)
#  qdbus org.freedesktop.ScreenSaver /ScreenSaver org.freedesktop.ScreenSaver.Lock
  xterm -geometry 0x0+1+1 -e "dbus-send --dest=org.freedesktop.ScreenSaver --print-reply /ScreenSaver org.freedesktop.ScreenSaver.Lock"
  if [ "$DE" != "kde" -a "$DE" != "plasma" ] ; then
    ps -U $(id -u) | grep -q xscreensaver || xscreensaver -no-splash &
    sleep 0.5s
    xscreensaver-command -lock
  fi
}

xss_slideshow(){
  chbg -xscreensaver -randomize -R -effect 1 -interval 0.2 -mode smart -max_size 100 -R /usr/share/ublinux/screensaver/Default >/dev/null 2>&1
}

xss_heartbeat(){
  . /usr/lib/ublinux/os-config
  . /etc/ublinux/config 2>/dev/null
  SSAVERBLOCKAPPS="$(echo "$SSAVERBLOCKAPPS"| tr ',; ' '|' )"
  bash -c "while true ;do top -bn1 -u $(id -un) | awk '{ print \$7 FS \$NF }' | grep ^[1-9] | egrep -q \"$SSAVERBLOCKAPPS\" && xscreensaver-command -deactivate >/dev/null ; sleep 20s ; done " &
}


show_hotkeys(){
  MSG1=$(gettext -s "UBLinux magic keys:")
  echo "$MSG1" > /tmp/listkeys
  echo " " >> /tmp/listkeys
  cat $HOME/.xbindkeysrc | sed -e 's/^".*"//' -e 's/Mod4/WIN/' -e '/^#.*#/ d' -e '/^ *$/ d' -e 's/^# *//' | while read a ; do
    gettext -s "$a" >> /tmp/listkeys
    done
  mdialog --textbox /tmp/listkeys 600 600
  rm -f /tmp/listkeys
}

show_info(){
  . /etc/os-release
  LIVECDNAME="$NAME"
  UPTIME=$(uptime | awk '{print "time - "$1", up - "$3}') 
  RAM=$(free -m | grep Mem | awk '{ print "total - "$2",  free - "$4}')
  SWAP=$(free -m | grep Swap | awk '{ print "total - "$2",  free - "$4}')
  CPU="$(cat /proc/cpuinfo | sed -e '/model name/!d' -e 's/^.*://')"
  CPUARCH=$(uname -p)
  KERNEL=$(uname -r)
  VIDEO=$(lspci | sed -e '/VGA/!d' -e 's/^.*://')
  GLXINFO=$(glxinfo | sed '2,3!d')
  AUDIO=$(lspci | sed -e '/Audio/!d' -e 's/^.*://')
  CMDLINE=$(cat /proc/cmdline)
  VERSION=$(cat /etc/ublinux-release)
  if [ $(cmdline_parameter unionfs) ] ;then
     PROF_SIZE=$(df -h / |grep unionfs | awk '{print " ["$5"] total - "$2", free - "$4}')
  else
     PROF_SIZE=$(df -h / |grep aufs | awk '{print " ["$5"] total - "$2", free - "$4}')
  fi
  echo "$LIVECDNAME ($VERSION)" > ~/info.txt
  echo "UPTIME: $UPTIME" >> ~/info.txt
  echo "KERNEL: $KERNEL" >> ~/info.txt
  echo "RAM: $RAM" >> ~/info.txt
  echo "SWAP: $SWAP" >> ~/info.txt
  [ "$(cat /proc/cmdline | grep changes= )" ] && echo "PROFILE: $PROF_SIZE" >> ~/info.txt
  echo -e "CPU: ($CPUARCH) \n$CPU" >> ~/info.txt
  echo "VIDEO: $VIDEO" >> ~/info.txt
  echo "$GLXINFO" >> ~/info.txt
  echo "AUDIO: $AUDIO" >> ~/info.txt
  echo "CMDLINE: $CMDLINE" >> ~/info.txt
  echo "MODULES:" >> ~/info.txt
  grep squashfs /proc/mounts | awk '{print $2}' | sort >> ~/info.txt
  mdialog --textbox $HOME/info.txt
  rm -f $HOME/info.txt
}

touchpad(){
  MSG2=$(gettext -s "Touchpad disabled, WIN+t to enable again")
  if [ $(synclient -l | grep TouchpadOff | awk '{ print $3 }') -eq 0 ] ;then
    synclient TouchpadOff=1
    mdialog --passivepopup "$MSG2"
  else
    synclient TouchpadOff=0
  fi
}

rfswitch(){
  MSG3=$(gettext -s "bluetooth, WI-FI interfaces disabled, WIN+w to enable again")
  rfkill list | grep yes
  if [ $? -eq 0 ] ;then
    rfkill unblock all
  else
    rfkill block all
    mdialog --passivepopup "$MSG3"
  fi
}

recordvideo(){
  MSG1=$(gettext -s "Recording are stoped, please wait for encoding")
  MSG2=$(gettext -s "Video are encoded and placed to your home dir")
  RMDOPT=
  . /etc/ublinux/config 2>/dev/null
  ps -U $UID | grep -q pulseaudio && RMDOPT="$RMDOPT --device pulse"
  PID=$(ps -U $UID -o pid,comm | grep recordmydesktop | awk '{print $1}')
  if [ -z "$PID" ] ;then
    recordmydesktop $RMDOPT &
  else
    kill "$PID"
    mdialog --passivepopup "$MSG1"
    bash -c "while true ;do ps -A -o pid | grep -q ^$PID$ || break ; sleep 1s ;done ; mdialog --passivepopup \"$MSG2\""
  fi
}

show_network(){
  echo "netstat --inet" > ~/network.txt
  netstat --inet  >> ~/network.txt
  echo -e "\nlsof -i" >> ~/network.txt
  /usr/sbin/lsof -i >> ~/network.txt
  mdialog --textbox $HOME/network.txt 600 250
  rm -f $HOME/info.txt
}

google_search(){
  xclip -o | sed -r '2~1d;s/(^\s+|\s+$)//g;s/%/%25/g;s/#/%23/g;s/\$/%24/g;s/&/%26/g;s/\+/%2B/;s/,/%2C/g;s/:/%3A/g;s/;/%3B/g;s/=/%3D/g;s/\?/%3F/g;s/@/%40/g;s/\s/+/g' | awk '{print "http://www.google.ru/search?hl=ru&q=" $1}' | xargs firefox -new-tab
}

translate_en_rus(){
  [ "$1" == "passive" ] && mdialog --passivepopup "$(wget -U "Mozilla/5.0" -qO - "http://translate.google.com/translate_a/t?client=t&text=$(xclip -o | sed "s/[\"'<>]//g")&sl=auto&tl=ru" | sed 's/\[\[\[\"//' | cut -d \" -f 1)"
  [ "$1" == "msgbox" ] && mdialog --msgbox "$(wget -U "Mozilla/5.0" -qO - "http://translate.google.com/translate_a/t?client=t&text=$(xclip -o | sed "s/[\"'<>]//g")&sl=auto&tl=ru" | sed 's/\[\[\[\"//' | cut -d \" -f 1)"
  [ "$1" == "firefox" ] && xclip -o | sed -r '2~1d;s/(^\s+|\s+$)//g;s/%/%25/g;s/#/%23/g;s/\$/%24/g;s/&/%26/g;s/\+/%2B/;s/,/%2C/g;s/:/%3A/g;s/;/%3B/g;s/=/%3D/g;s/\?/%3F/g;s/@/%40/g;s/\s/+/g' | awk '{print "translate.google.com/translate_t?hl=en#en|ru|" $1}' | xargs firefox -new-tab
}

translate_rus_en(){
  [ "$1" == "passive" ] && mdialog --passivepopup "$(wget -U "Mozilla/5.0" -qO - "http://translate.google.com/translate_a/t?client=t&text=$(xclip -o | sed "s/[\"'<>]//g")&sl=auto&tl=en" | sed 's/\[\[\[\"//' | cut -d \" -f 1)"
  [ "$1" == "msgbox" ] && mdialog --msgbox "$(wget -U "Mozilla/5.0" -qO - "http://translate.google.com/translate_a/t?client=t&text=$(xclip -o | sed "s/[\"'<>]//g")&sl=auto&tl=en" | sed 's/\[\[\[\"//' | cut -d \" -f 1)"
  [ "$1" == "firefox" ] && xclip -o | sed -r '2~1d;s/(^\s+|\s+$)//g;s/%/%25/g;s/#/%23/g;s/\$/%24/g;s/&/%26/g;s/\+/%2B/;s/,/%2C/g;s/:/%3A/g;s/;/%3B/g;s/=/%3D/g;s/\?/%3F/g;s/@/%40/g;s/\s/+/g' | awk '{print "translate.google.com/translate_t?hl=ru#ru|en|" $1}' | xargs firefox -new-tab
}

open_url(){
  xclip -o | sed -n 1p | xargs firefox -new-tab
}

userkeys(){
  string=$(head -n $1 $HOME/.userkeys | tail -n 1)
  TMPFILE=$HOME/tmp/userkey-$(id -un)
  > $TMPFILE
  echo "#!/bin/bash" > $TMPFILE
  echo "$string" >> $TMPFILE
  chmod +x $TMPFILE
  $TMPFILE
  rm -f $TMPFILE
}

screen_scale(){
  scale_[1]=1x1
  scale_[2]=1x1.2
  scale_[3]=1.2x1.2
  scale_[4]=1.2x1.5
  scale_[5]=1.5x1.5
  scale=2
  [ -f /tmp/scale ] && scale=$(cat /tmp/scale)
  xrandr --output LVDS1  --scale ${scale_[$scale]}
  if [ $scale == 5 ] ; then
    echo 1 > /tmp/scale
  else
    echo $(expr $scale + 1) > /tmp/scale
  fi
}

[ "$(basename $0)" = "functions" ] && $@ || true