#!/bin/bash
#set -x
#SET DISPLAYRES to force Xres, ENV takes precendent over cmdline


LOGFILE=/tmp/xconfig.log
for i in ati intel mga savage sis unichrome
do
    templist=`echo $i-dri xf86-video-$i`
    NVPKGS=`echo $NVPKGS  $templist`

done
BASE=""
MYTH_RUN_STATUS="1"
. /etc/profile

MYTHHOME=$BASE/home/mythtv

function Xvalues {
    CMDLINE=$(cat /proc/cmdline)
    echo "$CMDLINE" | grep -q forceXvesa
    if [ $? = 0  ]
    then
        echo "Forcing driver to vesa"
        VGACARDTYPE=vesa
        Xcardtype=$VGACARDTYPE
    else
        VGACARDTYPE=`lspci | grep -i vga | sort -r | head -n 1 | cut -d: -f3 | cut -d" " -f2`
        VGAPCIID=`lspci | grep -i vga | sort -r | head -n 1 | cut -d" " -f1`
        CARDID=`lspci -n | grep "$VGAPCIID" | grep 10de | cut -d" " -f3 | cut -d: -f2`
        VENDORID=`lspci -n | grep "$VGAPCIID" | grep 10de | cut -d" " -f3 | cut -d: -f1`
    fi
    echo "Detected $VGACARDTYPE as the video card type"
}

function presetupX {

    if  [ "$XIgnoreConfig" = 1 ]
    then
        echo "Using User supplied X"
        if [ -f "$MYTHHOME/templates/xorg.user" ]
        then
            cp -f "$MYTHHOME/templates/xorg.user" "$XORG_CONF"
        else
            echo "Didn't find the file"
            echo "Copy your config file to $MYTHHOME/templates/xorg.user" > "$XORG_CONF"
        fi
    else
        setupX
    fi


}

function nvidia_prepare {
    for i in libgl nvidia nvidia-utils nvidia-173xx nvidia-173xx-utils nvidia-96xx nvidia-96xx-utils
    do
        pacman --noconfirm -Rdd $i >> $LOGFILE 2>&1
    done

    for i in `echo ${NVPKGS}`
    do
        pacman --noconfirm  -Rc $i >> $LOGFILE 2>&1
    done


}

function pkg_check () {
    echo "  Checking for $1 in cache or online"
    pacman --noconfirm -Sw $1 >> $LOGFILE 2>&1
    rc=$?
    if [ $rc != 0 ]
    then
        echo "  Couldn't find $1 for install, aborting"
        echo "  Couldn't find $1 for install, aborting" >> $LOGFILE 2>&1
        exit 1
    fi



    }

function nvidia_driver_install {

    cp "$TEMPLATES/xorg/xorg.conf.nvidia"  $BASE/etc/X11/xorg.conf.d/20-automv.conf
    #grep -qi "$CARDID" "$NVIDIA_SUPPORTED"

    #if [ $? = 0 ]
    #then
        #install latest drivers
        pkg_check nvidia-utils
        echo "Installing current nvidia drivers"
        nvidia_prepare
        pacman --noconfirm  -S nvidia nvidia-utils >> $LOGFILE 2>&1
        installed=1
    #fi

    if [ \"$Xres\" = "Auto" ]
    then
        nvidia-xconfig -c /etc/X11/xorg.conf.d/20-automv.conf --mode-list="nvidia-auto-select"
    else
        #nvidia-xconfig -c /etc/X11/xorg.conf.d/20-automv.conf --mode-list=$Xres
        eval nvidia-xconfig -c /etc/X11/xorg.conf.d/20-automv.conf --mode-list=\"${Xres}\"
    fi

    echo "/usr/lib/libXvMCNVIDIA_dynamic.so.1" > "$XVMC_CONFIG"
}

# if [ "$Xcategory" = "Nvidia" ]
# then
# #Xres=""
# if [ "$XnVidia1080p" = "1" ]
# then
# Xres="${Xres} 1920x1080_60"
# fi
# if [ "$XnVidia1080i" = "1" ]
# then
# Xres="${Xres} 1920x1080_60i"
# fi
# if [ "$XnVidia720p" = "1" ]
# then
# Xres="${Xres} 1280x720_60"
# fi
# if [ "$XnVidia480p" = "1" ]
# then
# Xres="${Xres} 720x480_60"
# fi



function setupX {
    Xvalues
    if [ x = x ]
    then
        case $VGACARDTYPE in
            NVIDIA|nVidia|nvidia)
                    nvidia_driver_install
                ;;

            VMware)
                    sed -e "s/^.*Modes.*$/\t Modes \"${Xres}\"/" "$TEMPLATES/xorg/xorg.conf.vmware" > "$XORG_CONF"
                    ;;

            Intel|intel)
               if [ ${Xres} = Auto ]
                then
                    sed -e "/^.*Modes.*$/d" "$TEMPLATES/xorg/xorg.conf.intel" > "$XORG_CONF"
                else
                    sed -e "s/^.*Modes.*$/\t Modes \"${Xres}\"/" "$TEMPLATES/xorg/xorg.conf.intel" > "$XORG_CONF"
                fi
                if [ "$TESTMODE" != "test" ]
                then
                    pacman --noconfirm -R nvidia-utils >> $LOGFILE 2>&1
                    pacman --noconfirm -S libgl >> $LOGFILE 2>&1
                fi
                echo "/usr/lib/libIntelXvMC.so.1" > "$XVMC_CONFIG"
                ;;

            vesa|InnoTek|*)
                echo "Using the vesa driver"
                if [ ${Xres} = Auto ]
                then
                    sed -e "/^.*Modes.*$/d" "$TEMPLATES/xorg/xorg.conf.vesa" > "$XORG_CONF"
                else
                    sed -e "s/^.*Modes.*$/\t Modes \"${Xres}\"/" "$TEMPLATES/xorg/xorg.conf.vesa" > "$XORG_CONF"
                fi
                ;;

        esac
    fi

}


#---------------------------------------------------------------------------------
#MAIN


LINE=`grep -i xorg /etc/mythvantage.cfg|grep -q False`
rc=$?
if  [ $rc = 0 ]
then
    echo "**   xorg configuration disabled in /etc/mythvantage.cfg"
    exit 1
fi

if [ -f /etc/sysconfig/IGNORE_X ]
then
    echo "**   Will not run xconfig.sh due to presence of /etc/sysconfig/IGNORE_X"
    exit 1
fi



if [ -f /etc/systemconfig ]
then
    . /etc/systemconfig
else
    Xres="800x600"
fi
CMDLINE=$(cat /proc/cmdline)
echo $CMDLINE | grep -q displayres
if [ $? = 0 ]
then
    TEMPVAR=${CMDLINE#*displayres=}
    DSR=${TEMPVAR%% *}
fi
if [ ! x$DSR = x ]
then
    Xres=$DSR
fi
if [ ! x$DISPLAYRES = x ]
then
    Xres=$DISPLAYRES
fi



XORG_CONF="/etc/X11/xorg.conf"
XVMC_CONFIG="/etc/X11/XvMCConfig"

presetupX