#!/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"
    Driver "dummy"
    VideoRam 256000
    Option "UseFBDev" "false"
EndSection

Section "Screen"
    Identifier "dummy_screen"
    Device "dummy_card"
    Monitor "dummy_monitor"
    SubSection "Display"
        Depth 24
        Modes "1920x1080"
    EndSubSection
EndSection

Section "ServerLayout"
    Identifier "dummy_layout"
    Screen 0 "dummy_screen"
EndSection
EOF
}


source ./.includes/functions.sh
source ./.includes/ui.sh
answer=$(yesno "Do you have a physical screen attached?")
if [[ "${answer}" == "Yes" ]]; then
    active_screen
    msgbox "Settings for physical screen applied."
    restart
else
    headless
    msgbox "Headless mode applied."
    restart
fi