#!/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

options_url=https://git.mz.fo/fro/lnx-arch/raw/branch/master/dots/archinstall/${HOSTNAME}/options.sh
options_trg=/tmp/options.sh
rm -rf ${options_trg}
rm -rf ${options_trg}.tmp
wget -q ${options_url} -O ${options_trg}
source ${options_trg}
if [ -z "${OPTIONS_LOADED}" ]; then
    echo "error: unable to load options"
    exit 1
fi

user=${USER}
clone_trg=${CLONE_TARGET_DIR}

# ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

# 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
    _recursive=$4

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

    # -f (--force): overwrite without confirmation
    cp --force --recursive ${_src_path} ${_trg_path}

    # only chown if _no_chown variable is empty
    if [[ ${_no_chown} != "no_chown" ]] ; then
        # if the target path ends with a slash, we have a directory
        if [[ "$_trg_path" == */ ]]
        then
            echo "(ignore potential \"chown: cannot access\" error, which will occur if there are no dot-files in the directory)"

            if [[ ${_recursive} != "recursive" ]] ; then
                # https://serverfault.com/questions/156437/how-to-chown-a-directory-recursively-including-hidden-files-or-directories
                chown ${user}:${user} ${_trg_path}*
                chown ${user}:${user} ${_trg_path}.[^.]*
            else
                chown -R ${user}:${user} ${_trg_path}*
                chown -R ${user}:${user} ${_trg_path}.[^.]*
            fi
        else
            chown ${user}:${user} ${_trg_path}
        fi
    fi

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

    ls -al ${_trg_path}
}

# locate firefox's profile directory
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

    # pcmanfm
    file_name=pcmanfm.conf
    file_path=/home/${user}/.config/pcmanfm/default
    mkdir -p ${file_path}
    deploy_file "${dots_trg}/vscodium/${file_name}" "${file_path}/${file_name}"

    # vscodium
    file_name=settings.json
    file_path=/home/${user}/.config/VSCodium/User
    mkdir -p ${file_path}
    deploy_file "${dots_trg}/vscodium/${file_name}" "${file_path}/${file_name}"

    # https://vscodethemes.com/e/sdras.night-owl/night-owl-no-italics?language=javascript
    # https://github.com/sdras/night-owl-vscode-theme/tree/main/themes
    file_name=sdras.night-owl-2.0.1-universal
    file_path=/home/${user}/.vscode-oss/extensions
    mkdir -p ${file_path}
    deploy_file "${dots_trg}/vscodium/${file_name}" "${file_path}/" chown recursive

    # i3wm
    if [ ${I3WM} == "true" ] ; then

        # i3
        file_name=config
        file_path=/home/${user}/.config/i3
        mkdir -p ${file_path}
        deploy_file "${dots_trg}/i3wm/${file_name}" "${file_path}/"

    fi

    if [ ${I3WM} == "true" ] || [ ${QTILE} == "true" ] ; then

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

    fi

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

fi