#!/usr/bin/env bash

# Change between dummy and fbdev driver for X session.

active_screen() {
    cat << EOF | sudo "${sudoFlags[@]}" tee /etc/X11/xorg.conf.d/10-screendriver.conf &> /dev/null
Section "Device"
    Identifier  "FBdev"
    Driver      "fbdev"
EndSection
EOF
}

headless() {
    cat << EOF | sudo "${sudoFlags[@]}" tee /etc/X11/xorg.conf.d/10-screendriver.conf &> /dev/null
Section "Monitor"
        Identifier "dummy_monitor"
        HorizSync 28.0-80.0
        VertRefresh 48.0-75.0
        Modeline "1920x1080" 172.80 1920 2040 2248 2576 1080 1081 1084 1118
EndSection

Section "Device"
        Identifier "dummy_card"
        VideoRam 256000
        Driver "dummy"
EndSection

Section "Screen"
        Identifier "dummy_screen"
        Device "dummy_card"
        Monitor "dummy_monitor"
        SubSection "Display"
        EndSubSection
EndSection
[storm@fenrir ~] $ cat ~/99-headless.conf
Section "Monitor"
        Identifier "dummy_monitor"
        HorizSync 28.0-80.0
        VertRefresh 48.0-75.0
        Modeline "1920x1080" 172.80 1920 2040 2248 2576 1080 1081 1084 1118
EndSection

Section "Device"
        Identifier "dummy_card"
        VideoRam 256000
        Driver "dummy"
EndSection

Section "Screen"
        Identifier "dummy_screen"
        Device "dummy_card"
        Monitor "dummy_monitor"
        SubSection "Display"
        EndSubSection
EndSection
EOF
}


source ./.includes/ui.sh
answer=$(yesno "Do you have a physical screen attached?")
if [[ "${answer}" == "yes" ]]; then
    active_screen
else
    headless
fi