2.0-Install-Desktop-Environment.bash

#!/bin/bash

##
## 2.0-Install-Desktop-Environment.sh
##

function Decorative_Formatting {
    ## Decorative tty colors
    function Tput_Colors {
        ## Foreground Color using ANSI escape provided through tput

        FG_BLACK=$(tput setaf 0)
        FG_RED=$(tput setaf 1)
        FG_GREEN=$(tput setaf 2)
        FG_YELLOW=$(tput setaf 3)
        FG_BLUE=$(tput setaf 4)
        FG_MAGENTA=$(tput setaf 5)
        FG_CYAN=$(tput setaf 6)
        FG_WHITE=$(tput setaf 7)
        FG_NoColor=$(tput sgr0)

        ## Background Color using ANSI escape provided through tput

        BG_BLACK=$(tput setab 0)
        BG_RED=$(tput setab 1)
        BG_GREEN=$(tput setab 2)
        BG_YELLOW=$(tput setab 3)
        BG_BLUE=$(tput setab 4)
        BG_MAGENTA=$(tput setab 5)
        BG_CYAN=$(tput setab 6)
        BG_WHITE=$(tput setab 7)
        BG_NoColor=$(tput sgr0)

        ## set mode using ANSI escape provided through tput

        MODE_BOLD=$(tput bold)
        MODE_DIM=$(tput dim)
        MODE_BEGIN_UNDERLINE=$(tput smul)
        MODE_EXIT_UNDERLINE=$(tput rmul)
        MODE_REVERSE=$(tput rev)
        MODE_ENTER_STANDOUT=$(tput smso)
        MODE_EXIT_STANDOUT=$(tput rmso)

        # clear styles using ANSI escape provided through tput

        STYLES_OFF=$(tput sgr0)
        FGBG_NoColor=$(tput sgr0)
    }

    function ttyCenter {
        str="$1"
        tputFgColor=$2

        width=$( tput cols )
        if [ $width -gt 80 ]; then width=80; fi

        strLength=${#str}
        centerCol=$(( ( width/2 )-( strLength / 2 ) ))

        for (( i=0; i<=$centerCol; i++ ))
        do
           printf " "
        done
        printf "$MODE_BOLD$tputFgColor$str$STYLES_OFF\n"
    }

    function ttyHR {
        hrChar=$1
        tputFgColor=$2

        width=$( tput cols )
        if [ $width -gt 80 ]; then width=80; fi

        for (( i=0; i<$width; i++ ))
        do
           printf "$tputFgColor$hrChar"
        done
        printf "$STYLES_OFF\n"
    }

    function ttyNestedString {
        str=$1
        tputFgColor=$2

        strArray=($str)
        lineArray=()

        strLength="${#str}"
        preString=" "

        ttyMaxCols=$( tput cols )
        if [ $ttyMaxCols -gt 80 ]; then ttyMaxCols=80; fi
        ttyMaxCols=$(($ttyMaxCols-1))

        charCount=0
        isFrstLine=1

        printf "$tputFgColor"
        for i in "${strArray[@]}"; do
            charCount=$(($charCount+${#i}+1))

            if [ $isFrstLine -ne 1 ]; then
                ttyMaxCols=$( tput cols )
                if [ $ttyMaxCols -gt 80 ]; then ttyMaxCols=80; fi
                ttyMaxCols=$(($ttyMaxCols-5))

                preString="    "
            else
                preString=" "
            fi

            if [ $charCount -lt $ttyMaxCols ]; then
                ## append lineArray
                lineArray+=("$i")
            else
                echo "$preString${lineArray[*]}"

                isFrstLine=0
                lineArray=()
                lineArray+=("$i")
                charCount=${#i}
            fi
        done

        if [ $isFrstLine -ne 1 ]; then
            preString="    "
        else
            preString=" "
        fi

        printf "$preString${lineArray[*]}\n$STYLES_OFF"
    }

    function ttyCenteredHeader {
        str=$1
        borderChar=$2
        tputFgColor=$3

        ttyHR "$borderChar" "$tputFgColor"
        ttyCenter "$str" "$tputFgColor"
        ttyHR "$borderChar" "$tputFgColor"
    }

    function ttyHighlightRow {
        str=$1
        tputBgColor=$2

        width=$( tput cols )
        if [ $width -gt 80 ]; then width=80; fi
        width=$(($width - 3))

        strLength=${#str}

        highlightLength=$(( $width-$strLength ))

        printf "$tputBgColor$FG_BLACK= $str "
        for (( i=0; i<$highlightLength; i++ ))
        do
           printf "$tputBgColor="
        done
        printf "$STYLES_OFF\n"
    }

    function ttyPromptInput {
        promptTitle=$1
        promptString=$2
        defaultAnswer=$3
        tputFgColor=$4
        tputBgColor=$5

        ttyHighlightRow "$promptTitle" "$tputBgColor"

        case $defaultAnswer in
            [Nn]* )
                readWait='-t 10'
                ;;
            * )
                readWait=""
                ;;
        esac

        echo ""
        ttyNestedString "(wait time < 10sec) '$defaultAnswer' will automatically be input ..." "$FG_NoColor"
        read $readWait -e -p " $tputFgColor$promptString$STYLES_OFF" -i "$defaultAnswer" readInput
        if [ $? -ne 0 ]; then echo ""; fi

        printf "$STYLES_OFF\n"
        sleep 1
    }
}

function Configure_Desktop_Environment {
    function Install_DWM {
        ttyCenteredHeader "Compile Suckless Environment" "░" "$FG_CYAN"
        sleep 2s

        ## variable used to cd back to the directory
        thisScriptPath=$(pwd)

        ttyCenteredHeader "Installing Simple Terminal (st)" "+" "$FG_MAGENTA"
        sleep 2s && cd ~/suckless/st
        sudo make clean install && cd ~/suckless/dmenu

        ttyCenteredHeader "Installing Dmenu" "+" "$FG_MAGENTA"
        sleep 2s && cd ~/suckless/dwm
        sudo make clean install && cd ~/suckless/dwm

        ttyCenteredHeader "Installing Dynamic Window Manager (dwm)" "+" "$FG_MAGENTA"
        sleep 2s && cd ~/suckless/dwm
        sudo make clean install && cd $thisScriptPath
        sleep 5s
    }

    function Suckless_Patches {
        ttyCenteredHeader "Installing Suckless dependencies" "-" "$FG_CYAN"
        sleep 2s

        sudo apt update
        sudo apt --fix-broken install
        sudo apt update

        sudo apt install -y build-essential
        sudo apt install -y git

        ## If Not WLS
        if [ $(uname -r | grep Microsoft &> /dev/null; echo $?) -ne 0 ]; then
            sudo apt install -y xorg
            sudo apt install -y xinit
            sudo apt install -y arandr
        fi

        ## dwm requirements
        sudo apt install -y libx11-dev
        sudo apt install -y libxft-dev
        sudo apt install -y libxinerama-dev
        sudo apt install -y xclip
        sudo apt install -y xvkbd
        sudo apt install -y libgcr-3-dev
        sudo apt install -y suckless-tools

        ttyCenteredHeader "Importing DE Patches" "+" "$FG_CYAN"
        sleep 2s

        ttyNestedString "Importing ~/suckless ..." "$MODE_BOLD$FG_GREEN"
        sleep 1s
        sudo cp -rf --no-preserve=mode ./suckless ~/
        sleep 2s
        sudo chmod -R 777 ~/suckless/*
        #sudo cp -rf --no-preserve=mode ./home/terminalsexy ~/

        ## Original DWM Source
        #git clone git://git.suckless.org/dwm ~/suckless/factory-default/dwm
        #git clone git://git.suckless.org/st ~/suckless/factory-default/st
        #git clone https://git.suckless.org/slstatus ~/suckless/factory-default/slstatus

        ttyNestedString "Writing ~/.fehbg ..." "$MODE_BOLD$FG_GREEN"
        sleep 1s
        echo -e "feh --bg-fill ~/.config/openbox/wcrr.png \n" > ~/.fehbg
        sleep 1s

        if [ -f ~/.xinitrc ]; then
            ttyNestedString "Backing up ~/.xinitrc ..." "$MODE_DIM$FG_YELLOW"
            sleep 1s
            cp ~/.xinitrc ~/.xinitrc.backup.$(date +%d%b%Y_%H%M%S)
            sleep 1s
        fi

        ## xinit
        ttyNestedString "Writing ~/.xinitrc ..." "$MODE_BOLD$FG_GREEN"

        echo -e "xsetroot -name \" headless-host ▷ \$(whoami) \"\n" > ~/.xinitrc
        echo -e "bash ~/.fehbg  &" >> ~/.xinitrc
        echo -e "xrdb ~/.Xresources &\n" >> ~/.xinitrc

        echo -e "command -v dwm &>/dev/null" >> ~/.xinitrc
        echo -e "isDWM=$?\n" >> ~/.xinitrc

        echo -e "command -v dwm &>/dev/null" >> ~/.xinitrc
        echo -e "isOpenbox=\$?\n" >> ~/.xinitrc

        echo -e "if [ \$isDWM -eq 0 ]; then" >> ~/.xinitrc
        echo -e "\tif [ -f ~/suckless/dwm/dwm ]; then" >> ~/.xinitrc
        echo -e "\t\texec ~/suckless/dwm/dwm" >> ~/.xinitrc
        echo -e "\telse" >> ~/.xinitrc
        echo -e "\t\texec dwm" >> ~/.xinitrc
        echo -e "\tfi" >> ~/.xinitrc
        echo -e "elif [ \$isOpenbox -eq 0 ]; then" >> ~/.xinitrc
        echo -e "\texec openbox-session" >> ~/.xinitrc
        echo -e "fi" >> ~/.xinitrc

        sleep 2s

    }

    function Optional_Openbox {
        ttyCenteredHeader "Installing Openbox" "+" "$FG_CYAN"
        sleep 2s

        sudo apt install -y openbox
        sudo apt install -y tint2
        sudo apt install -y conky
    }

    function Desktop_Applications {

        ttyCenteredHeader "Installing gtk and other desktop environment tools" "+" "$FG_CYAN"
        sleep 2s

        ## Xorg DE apps

        sudo apt update
        sudo apt --fix-broken install
        sudo apt update

        sudo apt install -y build-essential

        sudo apt install -y libvte-dev
        sudo apt install -y geany
        sudo apt install -y geany-plugins
        sudo apt install -y mousepad
        sudo apt install -y zathura
        sudo apt install -y mupdf

        sudo apt install -y pcmanfm
        sudo apt install -y libfm-tools
        sudo apt install -y libusbmuxd-tools
        sudo apt install -y udiskie
        sudo apt install -y xarchiver
        sudo apt install -y gvfs
        sudo apt install -y tumbler
        sudo apt install -y ffmpegthumbnailer

        ## Openbox backup
        sudo apt install -y xterm
        sudo apt install -y openbox
        sudo apt install -y tint2
        sudo apt install -y conky
        sudo apt install -y feh

        sudo apt install -y gparted

        ## light weight screensaver
        # sudo apt install xfishtank

        sudo apt install -y iceweasel
        sudo apt install -y firefox-esr

        sudo apt install -y gimp
    }

    function Clean_Apt_Cache {
        sudo apt clean
        sudo rm -rvf /var/cache/apt/archives/*.deb
    }

    function Home_Directory {
        ## Home Directory Configs
        ## This function assumes the script is running as source when launched from the headless-host root directory.

        ttyCenteredHeader "Dot Files (Desktop Environment)" "+" "$FG_CYAN"
        ttyNestedString "Populating home Directory Configs and dot files..." "$FG_YELLOW"
        sleep 2s

        if [ -d ./home/.config  ]; then
            ttyNestedString "Importing ~/.config ..." "$MODE_BOLD$FG_GREEN"
            sleep 1s
            sudo cp -rf --no-preserve=mode ./home/.config ~/
            sudo chmod -R 777 ~/.config/*
        fi

        if [ -f ~/.bashrc ]; then
            if [ -f ~/terminalsexy/Xresources/myNord.light ]; then
                ttyNestedString "Applying a light nord theme to ~/.Xresources ..." "$MODE_BOLD$FG_GREEN"

                ## Light Xterm theme
                cp ~/terminalsexy/Xresources/myNord.light ~/.Xresources

                echo '' >> ~/.bashrc
                echo '## xterm color scheme ' >> ~/.bashrc
                echo 'pgrep -x Xorg &>/dev/null ' >> ~/.bashrc
                echo 'isXorg=$?' >> ~/.bashrc
                echo 'if [ $isXorg -eq 0 ]; then' >> ~/.bashrc
                echo -e "\txrdb -merge ~/.Xresources" >> ~/.bashrc
                echo 'fi' >> ~/.bashrc
                echo '' >> ~/.bashrc
            fi
        fi

        mkdir -p ~/Downloads

        ## Vim cache
        mkdir -p ~/.backup/
        mkdir -p ~/.swp/
        mkdir -p ~/.undo/

        sleep 1
    }

    function Desktop_Audio {

        ttyCenteredHeader "Desktop Audio" "-" "$FG_CYAN"

        #sudo dpkg-query --list alsa-utils pavucontrol vlc libdvd-pkg libdvd-pkg
        command -v pulseaudio &>/dev/null
        isPulse=$?

        command -v alsamixer &>/dev/null
        isAlsa=$?

        command -v vlc &>/dev/null
        isVlc=$?

        if [ $isPulse -ne 0 ]; then
            promptString="Install VLC Media Player and its dependencies? [ Y/n ]: "
            readInput=yes
        elif [ $isAlsa -ne 0 ]; then
            promptString="Install VLC Media Player and its dependencies? [ Y/n ]: "
            readInput=yes
        elif [ $isVlc -ne 0 ]; then
            promptString="Install VLC Media Player and its dependencies? [ Y/n ]: "
            readInput=yes
        else
            promptString="Install VLC Media Player and its dependencies? [ y/N ]: "
            readInput=no
        fi

        ttyPromptInput "VLC:" "$promptString" "$readInput" "$FG_GREEN" "$BG_GREEN"

        case $readInput in
            [Yy]* )
                thisKernel=$(uname -r)
                echo $thisKernel | grep Microsoft &>/dev/null
                isMS=$?

                if [ $isMS -ne 0 ]; then
                    ## Debian 10.5 live iso comes with audio driver stuff. Or maybe it is just bundled in the package now.

                    sudo apt install -y alsa-utils
                    sudo apt install -y pavucontrol
                    #sudo apt install -y mplayer
                    sudo apt install -y vlc
                    ## play protected dvd movies
                    sudo apt install -y libdvd-pkg
                    sudo dpkg-reconfigure libdvd-pkg
                fi

                sleep 2s
                ;;
        esac
    }
}

## #############################################################################
## Configure Desktop Environment
## #############################################################################

## Initialize

Decorative_Formatting
Tput_Colors
Configure_Desktop_Environment

clear
ttyCenteredHeader "Desktop Environment" "░" "$FG_MAGENTA"
sleep 2s

## RUN

uname -v | grep "Debian" --color
isDebian=$?

if [ $isDebian -eq 0 ]; then

    Desktop_Applications
    Optional_Openbox
    Desktop_Audio

    ## DWM
    Suckless_Patches
    Install_DWM

    Home_Directory
    Clean_Apt_Cache
else
    ## Cancel
    echo ""
    ttyCenteredHeader "Canceling Installation/Configuration" "░" "$FG_YELLOW"
    ttyNestedString "This script was intended for dedicated Debian linux server machines. This script makes assumptions appropriate for systems which installed the debian-live-10.x.x-amd64-standard.iso" "$FG_YELLOW"
    echo ""
    read -p "[Press ENTER to continue ...]" pauseEnter
fi