#!/usr/bin/env bash

# klevstul

echo "<< 99_deploy.sh >>"

if [ "$EUID" -ne 0 ]
  then echo "error: run as 'root'"
  exit
fi

this_file_name=`basename "$0"`
if [ $# -lt 1 ]; then
    echo "usage: '$this_file_name {all}'"
    exit 1
fi
operation=$1

clone_trg=/tmp
source ${clone_trg}/lnx-arch/dots/archinstall/${HOSTNAME}/options.sh
if [ -z "${OPTIONS_LOADED}" ]; then
    echo "error: unable to load options"
    exit 1
fi

user=${USER}

# ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

# helper functions
download_repo() {

    _targz_url=$1

   # make clone target directory, if it doesn't exist
    mkdir -p ${clone_trg}

    # instead of doing a git clone (like `git clone ${clone_url} ${clone_trg}`),
    # where i would have emptied the target dir each time, i download the
    # source as a tar.gz.
    wget --show-progress ${_targz_url} -O ${clone_trg}/tmp.tar.gz
    tar -xzf ${clone_trg}/tmp.tar.gz -C ${clone_trg}
    rm ${clone_trg}/tmp.tar.gz

}

create_dir() {
    _directory=$1

    mkdir -p ${_directory}
    chown ${user}:${user} ${_directory}
}

deploy_file() {
    _src_path=$1
    _trg_path=$2
    _no_chown=$3

    file_name=$(basename ${_trg_path})
    echo ""
    echo "${file_name}:"

    cp -f ${_src_path} ${_trg_path}

    # only chown if _no_chown variable is empty
    if [ -z "${_no_chown}" ]; then
        # if the target path ends with a slash, we have a directory
        if [[ "$_trg_path" == */ ]]
        then
            echo "(ignore potential \"chown: cannot access\" error, which will occur if there are no dot-files in the directory)"
            chown ${user}:${user} ${_trg_path}*
            # https://serverfault.com/questions/156437/how-to-chown-a-directory-recursively-including-hidden-files-or-directories
            chown ${user}:${user} ${_trg_path}.[^.]*
        else
            chown ${user}:${user} ${_trg_path}
        fi
    fi

    suffix=".sh"
    if [[ ${file_name} == *$suffix ]]; then
        chmod 755 ${_trg_path}
    fi

    ls -al ${_trg_path}
}

# locate profile folder
firefox_profile_dir() {
    ffdir=/home/${user}/.mozilla/firefox/

    if ! [ -d "$ffdir" ]
    then
        echo "error: firefox main directory not found: '${ffdir}'"
    else
        pattern=".default-release"
        old_dir=`pwd`
        cd ${ffdir}
        for _dir in *"${pattern}"*; do
            [ -d "${_dir}" ] && dir="${_dir}" && break
        done
        cd ${old_dir}

        if [ -z "$dir" ]
        then
            echo "error: firefox profile directory not found"
        else
            ffprofiledir=${ffdir}${dir}
            echo "${ffprofiledir}"
        fi
    fi
}

# ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

# dots (dot files)
if [ ${operation} == "dots" ] ; then

    # declarations
    targz_dots_url=https://git.mz.fo/fro/lnx-arch/archive/master.tar.gz
    dots_trg=${clone_trg}/lnx-arch/dots

    echo "***** ${operation} *****"
    rm -rf ${clone_trg}/lnx-arch
    download_repo ${targz_dots_url}
    tree ${clone_trg}/lnx-arch

    # ----------
    # system
    # ----------

    # bashrc
    file_name=.bashrc
    file_path=/home/${user}
    deploy_file "${dots_trg}/bash/${file_name}" "${file_path}/${file_name}"

    # bin (executable binaries, scripts)
    file_path=/usr/local/bin
    deploy_file "${dots_trg}/bin/*" "${file_path}/"

    # environment
    file_name=environment
    file_path=/etc
    deploy_file "${dots_trg}/environment/${file_name}" "${file_path}/${file_name}" no_chown

    # ----------
    # programs
    # ----------

    # firefox
    file_name=policies.json
    file_path=/usr/lib/firefox/distribution
    deploy_file "${dots_trg}/firefox/${file_name}" "${file_path}/${file_name}" no_chown

    ffpd=$(firefox_profile_dir)
    if [[ ${ffpd} == error* ]] ; then
        echo ${ffpd}
    else
        file_name=user.js
        file_path=${ffpd}
        deploy_file "${dots_trg}/firefox/${file_name}" "${file_path}/${file_name}"

        file_name=userChrome.css
        file_path=${ffpd}/chrome
        mkdir -p ${file_path}
        deploy_file "${dots_trg}/firefox/${file_name}" "${file_path}/${file_name}"
    fi

    # hyprland
    #if [ ${deploy_hyprland} == "true" ] ; then
    #fi

    # hypridle
    file_name=hypridle.conf
    file_path=/home/${user}/.config/hypr
    deploy_file ${dots_trg}/hypridle/${file_name} ${file_path}/${file_name}

    # hyprland
    file_name=hyprland.conf
    file_path=/home/${user}/.config/hypr
    deploy_file ${dots_trg}/hyprland/${file_name} ${file_path}/${file_name}

    # hyprlock
    file_name=hyprlock.conf
    file_path=/home/${user}/.config/hypr
    deploy_file ${dots_trg}/hyprlock/${file_name} ${file_path}/${file_name}

    # hyprpaper
    file_name=hyprpaper.conf
    file_path=/home/${user}/.config/hypr
    deploy_file ${dots_trg}/hyprpaper/${file_name} ${file_path}/${file_name}

    # waybar
    file_path=/home/${user}/.config/waybar
    mkdir -p ${file_path}
    deploy_file "${dots_trg}/waybar/*" "${file_path}/"

    # xorg
    file_path=/home/${user}
    deploy_file "${dots_trg}/xorg/.*" "${file_path}/"

    # qtile
    file_name=config.py
    file_path=/home/${user}/.config/qtile
    mkdir -p ${file_path}
    deploy_file "${dots_trg}/qtile/${file_name}" "${file_path}/"

fi

# dots+ (wallpapers, fonts ++)
if [ ${operation} == "dots+" ] ; then

    # declarations
    targz_dotsplus_url=https://gitlab.com/pqq/dotsplus/-/archive/main/dotsplus-main.tar.gz
    dotsplus_trg=${clone_trg}/dotsplus-main

    echo "***** ${operation} *****"
    rm -rf ${dotsplus_trg}
    download_repo ${targz_dotsplus_url}
    tree ${clone_trg}

    # ----------
    # fonts
    # ----------
    file_path=/home/${user}/.local/share/fonts
    mkdir -p ${file_path}
    deploy_file "${dotsplus_trg}/fonts/install/*" "${file_path}/"

    # ----------
    # wallpapers
    # ----------
    deploy_file "${dotsplus_trg}/wallpapers/install/*" "/home/${user}/.config/hypr/"

fi