#!/bin/bash
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)"
reset="$(tput sgr0)"
scriptdir=$PWD

# colored text
cecho() {
    local text="$1"
    local color="$2"

    # Ensure the color variable exists and is valid
    if [[ -z "$color" || -z "${!color}" ]]; then
        echo "Error: Invalid color variable"
        return 1
    fi
    local fg_color="${!color}"
    # Print the colored string
    echo -e "${fg_color}${text}${reset}"
}

confirm() {
    # call with a prompt string or use a default
    read -r -p "${fg_yellow}${1:-Are you sure? [y/N]}${reset} " response
    case "$response" in
        [yY][eE][sS]|[yY]) 
            true
            ;;
        *)
            false
            ;;
    esac
}


check_dir_exists() {
    dir=$1
    if [ -d dir ]; then
        return 1  # Dir exists
    else
        return 0  # Dir does not exist
    fi
}

is_macbook=false
is_server=true
install_themes=false
install_nerdfonts=false
install_dotfiles=false
install_gnome_configs=false
install_rtaudio=false

echo "${fg_blue}"
cat ascii.txt
echo "${reset}"
cecho "----debian install script-----" fg_cyan
confirm "Is this a server? (Y/N)" && is_server=true
confirm "Swap Left Super & Left Control <for mac keyboard> (Y/N)" && is_macbook=true
if echo $DESKTOP_SESSION | grep -q "gnome"; then
    confirm "Install gnome extensions, tweaks, and configs? (Y/N)" && install_gnome_configs=true
    confirm "Install GTK themes? (Y/N)" && install_themes=true
fi
confirm "Install Nerd Fonts? (Y/N)" && install_nerdfonts=true
confirm "Install billypom dotfiles? - includes .bash_aliases file, tmux, kitty, and nvim configs (Y/N)" && install_dotfiles=true
confirm "Configure realtime audio for music production? (Y/N)" && install_rtaudio=true

cecho "Updating package manager" fg_cyan
sudo apt update
cecho "Purging yucky packages" fg_cyan
sudo apt purge nano evolution
cecho "Installing yummy packages" fg_cyan
if $is_server; then
    sudo apt install vim neovim git cifs-utils nfs-common ripgrep stow virtualenv wget zip unzip kitty python3-pip ncdu htop python3-venv curl
else
    sudo apt install vim git cifs-utils nfs-common ripgrep stow virtualenv wget zip unzip kitty python3-pip ncdu htop libfuse-dev nemo python3-venv curl irssi qpwgraph steam-installer protontricks zathura
    # librewolf
    sudo apt install extrepo -y
    sudo extrepo enable librewolf
    sudo apt update
    sudo apt install librewolf
fi

# themes
if $is_server; then
    echo ":3"
else
    if $install_themes; then
        # user theme directory
        cecho "Installing themes" fg_cyan
        mkdir -p ~/.themes
        bash options/lavanda-gtk-theme.sh
        bash options/kora-gtk-icons.sh
        bash options/tokyonight-gtk-theme.sh
    fi
fi

if $is_server; then
    echo ":3"
else
    # wayland specific packages
    if echo $XDG_SESSION_TYPE | grep -q "wayland"; then
        cecho "Installing wayland specific packages" fg_cyan
        sudo apt install -y wl-clipboard
    fi

    # gnome specific packages
    if echo $DESKTOP_SESSION | grep -q "gnome" && $install_gnome_configs; then
        bash options/gnome-configs.sh
    fi
fi
# nerdfonts
if $install_nerdfonts; then
    cecho "Installing nerdfonts" fg_cyan
    bash options/nerdfonts.sh
fi

# xdg defaults
# xdg-mime default nemo.desktop inode/directory
xdg-mime default pcmanfm.desktop inode/directory
xdg-mime default nvim.desktop text/plain
xdg-mime default org.pwmt.zathura.desktop application/pdf
# This command installs kitty as an option for the default terminal emulator within the alternatives system, assigning it a priority of 50
sudo update-alternatives --install /usr/bin/x-terminal-emulator x-terminal-emulator /usr/bin/kitty 50

sed -i "s/^DESKTOP=.*/DESKTOP=desktop/" /etc/xdg/user-dirs.defaults
sed -i "s/^DOWNLOAD=.*/DOWNLOAD=downloads/" /etc/xdg/user-dirs.defaults
sed -i "s/^TEMPLATES=.*/TEMPLATES=templates/" /etc/xdg/user-dirs.defaults
sed -i "s/^PUBLICSHARE=.*/PUBLICSHARE=public/" /etc/xdg/user-dirs.defaults
sed -i "s/^DOCUMENTS=.*/DOCUMENTS=documents/" /etc/xdg/user-dirs.defaults
sed -i "s/^MUSIC=.*/MUSIC=music/" /etc/xdg/user-dirs.defaults
sed -i "s/^PICTURES=.*/PICTURES=pictures/" /etc/xdg/user-dirs.defaults
sed -i "s/^VIDEOS=.*/VIDEOS=videos/" /etc/xdg/user-dirs.defaults

sed -i 's/^XDG_DESKTOP_DIR=.*/XDG_DESKTOP_DIR="$HOME\/desktop"/' ~/.config/user-dirs.dirs
sed -i 's/^XDG_DOWNLOAD_DIR=.*/XDG_DOWNLOAD_DIR="$HOME\/downloads"/' ~/.config/user-dirs.dirs
sed -i 's/^XDG_TEMPLATES_DIR=.*/XDG_TEMPLATES_DIR="$HOME\/templates"/' ~/.config/user-dirs.dirs
sed -i 's/^XDG_PUBLICSHARE_DIR=.*/XDG_PUBLICSHARE_DIR="$HOME\/public"/' ~/.config/user-dirs.dirs
sed -i 's/^XDG_DOCUMENTS_DIR=.*/XDG_DOCUMENTS_DIR="$HOME\/documents"/' ~/.config/user-dirs.dirs
sed -i 's/^XDG_MUSIC_DIR=.*/XDG_MUSIC_DIR="$HOME\/music"/' ~/.config/user-dirs.dirs
sed -i 's/^XDG_PICTURES_DIR=.*/XDG_PICTURES_DIR="$HOME\/pictures"/' ~/.config/user-dirs.dirs
sed -i 's/^XDG_VIDEOS_DIR=.*/XDG_VIDEOS_DIR="$HOME\/videos"/' ~/.config/user-dirs.dirs

# gamecube adapter udev rule
# obsidian
# private internet access
# soulseek
# renoise
# yabridge
# synthv
# ilok license manager
# vital synth?
# super right click resize
# super click move
# tiling manager


# install my dotfiles
if $install_dotfiles; then
    cecho "Installing billypom dotfiles" fg_cyan
    bash options/dotfiles.sh
fi

if $install_rtaudio; then
    sudo apt install pavucontrol pipewire-jack pipewire-audio-client-libraries libspa-0.2-jack pulseaudio-utils
    cecho "Creating pipewire media session with jack config" fg_cyan
    touch /etc/pipewire/media-session.d/with-jack
    cp /usr/share/doc/pipewire/examples/ld.so.conf.d/pipewire-jack-*.conf /etc/ld.so.conf.d/
    ldconfig
    # https://wiki.linuxaudio.org/wiki/system_configuration#cpu_frequency_scaling
    # printf '[Unit]\nDescription=Prepare system for real-time audio\n\n[Service]\nType=oneshot\nExecStart=/bin/bash /usr/local/bin/rt-audio-setup\nRemainAfterExit=yes\n\n[Install]\nWantedBy=multi-user.target' > /etc/systemd/system/rtaudio-setup.service
    # echo 'echo -n performance | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor' | sudo tee /usr/local/bin/rt-audio-setup
    # sudo chmod +x /usr/local/bin/rt-audio-setup
    # sudo systemctl enable rtaudio-setup
    # sudo systemctl start rtaudio-setup
    # https://wiki.linuxaudio.org/wiki/system_configuration#limitsconfaudioconf
    printf '@audio - rtprio 90       # maximum realtime priority\n@audio - memlock unlimited  # maximum locked-in-memory address space (KB)' > /etc/security/limits.d/rtaudio.conf
    echo "vm.swappiness=10" > /etc/sysctl.d/99-sysctl.conf
    # echo "blacklist snd_hda_intel" >> /etc/modprobe.d/blacklist.conf
    cecho "DO THIS STUFF MANUALLY BCUS IDK" fg_red
    printf 'In the file `/etc/default/grub` change this line:\nGRUB_CMDLINE_LINUX="preempt=full threadirqs cpufreq.default_governor=performance"\n\nThen reboot\n\n'
fi


echo "\e[0;32m--- debian install script finished running ---\e[0m"