#! /bin/bash

# Install all required packages for this user. It only needs to be run once
# when setting up the HOME directory.

# ASSUME
# - git repos referenced here are pulled/updated
# - makepkg is installed/configured
# - yay is installed/configured

# NOTE to run without a sudo prompt, call with a user that has pacman
# permissions in sudoers.

pkgsrc_dir="$1"

if [[ -z "${2+set}" ]]; then
    install_root="$HOME"
else
    install_root="$2"
fi

makepkg_tmp=/tmp/bootstrap-makepkg

mk_makepkg_dir() {
    echo "Creating temporary makepkg build directory at $makepkg_tmp"
    mkdir -p "$makepkg_tmp"
    echo "Populated with packages from $pkgsrc_dir"
    cp -r "$pkgsrc_dir"/* "$makepkg_tmp"
}

try_update() {
    if ! yay -Syy; then
        echo "Failed to update pacman cache as user $(whoami). Exiting."
        return 1
    fi
}

call_makepkg() {
    cd "$makepkg_tmp/$1" || return 1
    makepkg -s -r -i -f --noconfirm
}

run_install_scripts() {
    "$install_root/.config/rofi-extras/install_deps"
    "$install_root/.config/xmonad/install_deps"
}

run_yay() {
    dunst_pkgs=(dunst)
    emacs_pkgs=(emacs)
    gtk_pkgs=(zuki-themes)
    ## TODO this requires some system-level config and thus should be an
    ## ansible role
    # nvidia_pkgs=(optimus-manager)
    ## TODO docker rootless should be an ansible role since it needs some
    ## systemwide configuration
    # r_pkgs=(r docker-rootless-extras-bin gcc-fortran texlive-bin tk)
    r_pkgs=(r gcc-fortran texlive-bin tk)
    redshift_pkgs=(redshift)
    seafile_pkgs=(seafile-client)
    urxvt_pkgs=(urxvt-tabbedex rxvt-unicode urxvt-perls)
    zsh_pkgs=(zsh zsh-completions zsh-syntax-highlighting)

    ## AUR pkgs needed for spotify
    spotify_pkgs=(gconf)

    yay --needed --noconfirm --norebuild --removemake -S \
        "${dunst_pkgs[@]}" \
        "${emacs_pkgs[@]}" \
        "${gtk_pkgs[@]}" \
        "${r_pkgs[@]}" \
        "${redshift_pkgs[@]}" \
        "${seafile_pkgs[@]}" \
        "${urxvt_pkgs[@]}" \
        "${zsh_pkgs[@]}" \
        "${spotify_pkgs[@]}"
}

run_makepkg() {
    ## these are all packages that have some personal customizations and/or are
    ## not in the AUR
    call_makepkg "clevo-xsm-wmi-dkms"
    call_makepkg "conky-lua"
    call_makepkg "spotify"
    call_makepkg "xkb-hypermode"
}

rm_makepkg_dir() {
    echo "Removing temporary makepkg build directory at $makepkg_tmp"
    rm -r -f "$makepkg_tmp"
}

clean_up() {
    rm_makepkg_dir
    exit
}

trap 'clean_up' ERR

if [ "$#" -ne 1 ]; then
    echo "Usage: bootstrap_pkgs CUSTOM_PKGBUILD_SRC [INSTALL_ROOT]"
    exit 1
fi

try_update

run_install_scripts

run_yay

mk_makepkg_dir
run_makepkg
rm_makepkg_dir