#!/usr/bin/env fish
# Source: https://github.com/mitchell/run.fish

### Config ###
# Top-level configurations, like function prefixes and argument delimeters
#
set -g run_func_prefix 'provision'
set -g run_arg_delimeter ':'

function define_aliases
end

### Commands ###
# Add, edit, and remove commands freely below.
# To add a command simply create a function with this naming scheme: {run_func_prefix}_{name}.
#
function provision_m_env -d 'Provision m environment (fish, git, neovim, etc.)'
    log "Provisioning m's environment." head

    log 'Installing git, neovim, tmux, rsync, curl, and kitty-terminfo...'
    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes \
        git \
        neovim \
        tmux \
        rsync \
        curl \
        kitty-terminfo \
        >/dev/null 2>&1

    log 'Installing fzf, silversearcher, bat, and feh.'
    sudo apt-get install --yes fzf silversearcher-ag bat feh >/dev/null 2>&1

    log 'Adding fish apt repo and install fish...'
    sudo apt-get install --yes gpg >/dev/null 2>&1

    echo 'deb http://download.opensuse.org/repositories/shells:/fish:/release:/3/Debian_10/ /' |
    sudo tee /etc/apt/sources.list.d/shells:fish:release:3.list

    curl -fsSL https://download.opensuse.org/repositories/shells:fish:release:3/Debian_10/Release.key |
    gpg --dearmor |
    sudo apt-key add -

    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes fish >/dev/null 2>&1

    log "Setting m's default shell to fish"
    sudo chsh -s /usr/bin/fish m

    log 'Running dotfiles sync script.'
    ./sync

    log 'Installing asdf-vm.'
    git clone https://github.com/asdf-vm/asdf.git ~/.asdf --branch v0.7.8 >/dev/null 2>&1

    log "Done provisioning m's environment." tail
end

function provision_desktop_env -d 'Provision bspwm based desktop environment'
    log 'Provisioning desktop environment.' head

    log 'Installing window manager and compositor.'
    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes bspwm sxhkd picom >/dev/null 2>&1

    log 'Installing terminal.'
    sudo apt-get install --yes kitty >/dev/null 2>&1

    log 'Installing panel.'
    sudo apt-get install --yes xfce4-panel xfce4-pulseaudio-plugin >/dev/null 2>&1

    log 'Installing and configuring xinit and xclip.'
    sudo apt-get install --yes xinit xclip >/dev/null 2>&1
    echo 'exec bspwm' >~/.xinitrc

    log 'Installing browser.'
    sudo apt-get install --yes qutebrowser >/dev/null 2>&1

    log 'Installing application launcher.'
    sudo apt-get install --yes rofi >/dev/null 2>&1

    log 'Installing theme and fonts.'
    mkdir ./nordic; and cd ./nordic
    wget -q -O nordic.tar.xz https://github.com/EliverLara/Nordic/releases/download/v1.9.0/Nordic.tar.xz
    tar -xf ./nordic.tar.xz
    mkdir ~/.themes
    mv ./Nordic/ ~/.themes/
    cd ..; and rm -r ./nordic

    sudo apt-get install --yes fonts-ibm-plex unzip >/dev/null 2>&1

    log 'Installing desktop background manager.'
    sudo apt-get install --yes feh >/dev/null 2>&1

    log 'Installing screen saver.'
    sudo apt-get install --yes xfce4-screensaver >/dev/null 2>&1

    log 'Installing JetBrainsMono.'
    mkdir _fonts_tmp
    cd _fonts_tmp

    wget -q https://github.com/JetBrains/JetBrainsMono/releases/download/v2.002/JetBrainsMono-2.002.zip
    unzip JetBrainsMono-2.002.zip >/dev/null
    mkdir -p ~/.local/share/fonts/truetype/JetBrainsMono
    cp ./ttf/*.ttf ~/.local/share/fonts/truetype/JetBrainsMono/

    cd ..
    rm -r _fonts_tmp

    log 'Configure GTK theme and font.'
    mkdir -p ~/.config/gtk-3.0
    echo "
[Settings]
gtk-icon-theme-name = Adwaita
gtk-theme-name = Nordic
gtk-font-name = IBM Plex Sans 11" >~/.config/gtk-3.0/settings.ini

    log 'Done provisioning desktop environment.' tail
end

function provision_m_net -d 'Provision applications to join m-net'
    log 'Provisioning m-net.' head

    sudo apt-get update >/dev/null 2>&1

    log 'Installing keepassxc.'
    sudo apt-get install --yes keepassxc >/dev/null 2>&1

    log 'Installing syncthing.'
    sudo apt-get install --yes syncthing >/dev/null 2>&1
    sudo systemctl enable syncthing@m

    log 'Done provisioning desktop environment.' tail
end

function provision_libvirt -d 'Provision libvirt and virt-manager'
    log 'Provisioning Libvirt and KVM.' head

    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes \
        qemu-system \
        libvirt-clients \
        libvirt-daemon-system \
        virt-manager \
        >/dev/null 2>&1
    sudo adduser m libvirt

    log 'Done provisioning Libvirt and KVM' tail
end

function provision_vagrant -d 'Provision vagrant with libvirt plugin'
    log 'Provisioning vagrant and the libvirt provider.' head

    sudo apt-get update >/dev/null 2>&1

    log 'Installing vagrant from apt'
    sudo apt-get install --yes vagrant-libvirt libvirt-daemon-system >/dev/null 2>&1

    log 'Installing vagrant libvirt provider.'
    vagrant plugin install vagrant-libvirt

    log 'Done provisioning vagrant and libvirt provider.' tail
end

function provision_docker -d 'Provision docker and docker-compose'
    log 'Provisioning Docker CE and Docker Compose.' head

    log 'Installing docker dependencies.'
    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes \
        apt-transport-https \
        ca-certificates \
        curl \
        gnupg-agent \
        software-properties-common \
        >/dev/null 2>&1

    log 'Adding Docker apt repo and install docker-ce.'
    curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -

    sudo add-apt-repository \
        'deb [arch=amd64] https://download.docker.com/linux/debian
        buster
        stable'

    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes docker-ce docker-ce-cli containerd.io >/dev/null 2>&1

    log 'Installing docker-compose.'
    set uname_m (uname -m)
    set uname_s (uname -s)

    sudo curl \
        -L "https://github.com/docker/compose/releases/download/1.26.2/docker-compose-$uname_s-$uname_m" \
        -o /usr/local/bin/docker-compose
    sudo chmod +x /usr/local/bin/docker-compose

    log 'Adding m to docker group.'
    sudo adduser m docker

    log 'Done provisioning Docker CE and Docker Compose.' tail
end

function provision_wireguard -d 'Provision wireguard'
    log 'Provisioning Wireguard.' head

    log 'Installing wireguard and resolvconf.'
    set uname_r (uname -r)

    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes "linux-headers-$uname_r" >/dev/null 2>&1
    sudo apt-get install --yes wireguard resolvconf >/dev/null 2>&1

    log 'Done provisioning Wireguard.' tail
end

function provision_caddy -d 'Provision caddy and disable service'
    log 'Provisioning Caddy.' head

    log 'Adding Caddy repo and installing caddy.'
    echo "deb [trusted=yes] https://apt.fury.io/caddy/ /" |
    sudo tee -a /etc/apt/sources.list.d/caddy-fury.list

    sudo apt-get update >/dev/null 2>&1
    sudo apt-get install --yes caddy >/dev/null 2>&1

    log 'Disabling and stopping service.'
    sudo systemctl disable caddy.service
    sudo systemctl stop caddy.service

    log 'Done provisioning Caddy.' tail
end

function log -a message level
    if test "$level" = head
        echo "
###########################################################################################
#
#--> $message
#"
    else if test "$level" = tail
        echo "#--> $message
#
###########################################################################################
"
    else
        echo -e "#--> $message\n#"
    end
end

function main
    alias $run_func_prefix\_default=$run_func_prefix\_help
    define_aliases

    for command in $argv
        and execute_command $run_func_prefix $command
    end

    and if test -z "$argv"
        execute_command $run_func_prefix default
    end
end

function execute_command -a prefix command
    set -l args (string split --max 1 $run_arg_delimeter $command)
    set -l func $prefix\_$args[1]

    define_default_functions $prefix

    if functions -q $func
        $func $args[2]
    else if test -z "$command"
        execute_command $prefix default
    else
        echo "$prefix command '$command' does not exist"
        exit 1
    end
end

function define_default_functions
    set -g prefix $argv[1]

    function _$prefix\_commands -d 'List all available commands'
        set -l names (functions --names | grep $prefix\_)

        for name in $names
            set -l details (functions -D -v $name)
            set -l description $details[5]
            set -l short_name (string replace $prefix\_ '' $name)

            if test (string length $short_name) -ge 8
                echo $short_name\t$description
            else
                echo $short_name\t\t$description
            end
        end
    end

    function $prefix\_help -a command -d 'Print help menu or command definition'
        if test -n "$command"
            functions $prefix\_$command
        else
            echo 'Here are the available commands:'\n
            _$prefix\_commands
            echo \n"To see a command's definition do `run help$run_arg_delimeter{command}`"
            echo "To see a subcommand group's help menu do `run {command}$run_arg_delimeter""help`"
        end
    end
end

main $argv