#!/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://gt.op.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 --no-check-certificate -q ${options_url} -O ${options_trg}
source ${options_trg}
if [ -z "${OPTIONS_LOADED}" ]; then
    echo "error: unable to load options"
    exit 1
fi

# load values found in options.sh file, sourced above
system_user=${SYSTEM_USER}
clone_trg=${CLONE_TARGET_DIR}
if [[ -z "${clone_trg}" ]] ; then
    echo "error: CLONE_TARGET_DIR is empty"
    exit 1
fi

secrets_cred_path=/home/${system_user}/syncDir/secrets/toBeSourced/cred.sh
source ${secrets_cred_path}

# ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

# 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 --no-check-certificate --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_command="mkdir -p \"${_directory}\""
    runuser -l ${system_user} -c '${mkdir_command}'

    if ! [ -d "$_directory" ]
    then
        echo ""
        echo "error: unable to create the directory '${_directory}'"
        echo "  command:"
        echo "  runuser -l ${system_user} -c '${mkdir_command}'"
        echo "will try creating the directory as root, and changing owner"

        mkdir -p "${_directory}"
        sudo chown -R ${system_user}:${system_user} "${_directory}"

        if [ -d "$_directory" ]
        then
            echo "success!"
        else
            echo "failure! directory could not be created."
        fi
    fi
}

deploy_file() {
    _src_path=$1
    _trg_path=$2
    _no_chown=$3
    _recursive=$4

    if [[ "$_src_path" == *.zip ]] || [[ "$_src_path" == *.tar.xz ]] ; then
        file_name_src=$(basename ${_src_path})
    fi

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

    suffix1=".zip"
    suffix2=".tar.xz"
    if [[ ${file_name_src} == *$suffix1 ]] ; then
        echo "unzipping '${_src_path}'"
        # -o: overwrite without prompting
        unzip -o ${_src_path} -d ${_trg_path}
    elif [[ ${file_name_src} == *$suffix2 ]] ; then
        echo "un-taring '${_src_path}'"
        tar -xf ${_src_path} -C ${_trg_path}
    else
        echo "copying '${_src_path}' to '${_trg_path}'"
        # -f (--force): overwrite without confirmation
        cp --force --recursive ${_src_path} ${_trg_path}
    fi

    # chown by default
    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 ${system_user}:${system_user} ${_trg_path}*
                chown ${system_user}:${system_user} ${_trg_path}.[^.]*
            else
                chown -R ${system_user}:${system_user} ${_trg_path}*
                chown -R ${system_user}:${system_user} ${_trg_path}.[^.]*
            fi
        else
            chown ${system_user}:${system_user} ${_trg_path}
        fi
    fi

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

    ls -al ${_trg_path}
}

# locate firefox's profile directory
firefox_profile_dir() {
    ffdir=/home/${system_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://gt.op.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
    # ----------

    # applications
    file_path=/usr/share/applications
    deploy_file "${dots_trg}/applications/*" "${file_path}/"

    # bashrc
    file_name=.bashrc
    file_path=/home/${system_user}
    deploy_file "${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

    # mounts
    file_name=mnt-nas.mount
    file_path=/etc/systemd/system
    deploy_file "${dots_trg}/systemd/${file_name}" "${file_path}/${file_name}" no_chown
    # sed -i "s|USERNAME|klevstul|g" "${file_path}/${file_name}"
    # sed -i "s|PASSWORD|${LILLESORTEBOKS}|g" "${file_path}/${file_name}"

    # pacman
    file_name=.makepkg.conf
    file_path=/home/${system_user}
    deploy_file "${dots_trg}/pacman/${file_name}" "${file_path}/${file_name}"

    # ----------
    # printing
    #
    # src:
    #  - https://wiki.manjaro.org/index.php?title=Printing
    #  - http://localhost:631/help/admin.html
    #
    # example (turn the printer on, to see the "usb: value"):
    #   $ lpinfo -m | grep 'ql700'
    #       brother_ql700_printer_en.ppd Brother QL-700 CUPS
    #   $ (sudo) lpinfo -v
    #       ...
    #       direct usb://Brother/QL-700?serial=000L0Z530516
    #       ...
    # ----------

    file_path=/etc/cups
    deploy_file "${dots_trg}/cups/*" "${file_path}/" no_chown

    # man page:
    # https://www.cups.org/doc/man-lpadmin.html

    # current printers:

    # Description:  Canon MG2500
    # Location:	    NAS
    # Driver:	    Canon MG2500 series Ver.4.00 (color)
    # Connection:	ipp://192.168.1.222:631/printers/usbprinter
    # Defaults:	    job-sheets=none, none media=iso_a4_210x297mm sides=one-sided
    #
    # Description:	Canon MG2500
    # Location:	    t470p
    # Driver:	    Canon MG2500 series Ver.4.00 (color)
    # Connection:	usb://Canon/MG2500%20series?serial=FC4F1F&interface=1
    # Defaults:	    job-sheets=none, none media=iso_a4_210x297mm sides=one-sided

    # outdated commands:
    # -p is an obsolete flag
    # lpadmin -p Brother_HL-L2310D_series -D "Brother HL-L2310D_series" -E -v usb://Brother/HL-L2310D%20series?serial=E78096L7N181893 -m lsb/usr/cupsfilters/brother-HLL2310D-cups-en.ppd
    # lpadmin -p Brother_QL-700 -D "Brother QL-700" -E -v usb://Brother/QL-700?serial=000L0Z530516 -m brother_ql700_printer_en.ppd


# EXAMPLE OF FILE MANIPULATION (from lnxPub's `cli/2103mjr/scr/80_urxvt.sh`)
#       # -----
#       # update .Xresources
#       # -----
#       file=$HOME/.Xresources
#
#       # update font setting (so it's understandable by the extension)
#       /tmp/99_key_value_modifier.sh URxvt.font xft:NotoSansMono-Light:size=12 : $file
#
#       # enable the "resize-font" extension
#       /tmp/99_comment_add_remove.sh remove ! Rxvt.perl-ext-common $file
#       /tmp/99_key_value_modifier.sh Rxvt.perl-ext-common resize-font : $file
#
#       # make the terminal's background transparent
#       /tmp/99_comment_add_remove.sh remove '! ' 'URxvt\*inheritPixmap' $file
#       /tmp/99_comment_add_remove.sh remove '! ' 'URxvt\*transparent' $file
#       /tmp/99_comment_add_remove.sh remove '! ' 'URxvt\*shading' $file
#       /tmp/99_key_value_modifier.sh 'URxvt\*shading' 30 : $file


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

    # cava
    file_name=config
    file_path=/home/${system_user}/.config/cava
    create_dir ${file_path}
    deploy_file "${dots_trg}/cava/${file_name}" "${file_path}/${file_name}"

    # dbgate
    file_name=settings.json
    file_path=/home/${system_user}/.dbgate
    create_dir ${file_path}
    deploy_file "${dots_trg}/dbgate/${file_name}" "${file_path}/${file_name}"
    cp /home/${system_user}/syncDir/secrets/dbgate/connections.jsonl ${file_path}/

    # dunst
    file_name=dunstrc
    file_path=/home/${system_user}/.config/dunst
    create_dir ${file_path}
    deploy_file "${dots_trg}/dunst/${file_name}" "${file_path}/${file_name}"

    # lf
    file_name=lfrc
    file_path=/home/${system_user}/.config/lf
    create_dir ${file_path}
    deploy_file "${dots_trg}/lf/${file_name}" "${file_path}/${file_name}"

    # 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}"
        # https://stackoverflow.com/questions/525592/find-and-replace-inside-a-text-file-from-a-bash-command
        # https://askubuntu.com/questions/76808/how-do-i-use-variables-in-a-sed-command
        sed -i -e "s/{HOSTNAME}/${HOSTNAME}/g" "${file_path}/${file_name}"

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

    # gtk (settings found using lxappearance)
    # note that the bookmarks file were found in two different locations, so a
    # symlink is created below. as well, ".gtkrc-2.0.mine" had no effect, so
    # ".gtkrc-2.0" is overwritten
    file_name=settings.ini
    file_path=/home/${system_user}/.config/gtk-3.0
    create_dir ${file_path}
    deploy_file "${dots_trg}/gtk/${file_name}" "${file_path}/${file_name}"
    gsettings set org.gnome.desktop.interface gtk-theme "Sweet-Dark"

    file_name=.gtk-bookmarks
    file_path=/home/${system_user}
    deploy_file "${dots_trg}/gtk/${file_name}" "${file_path}/${file_name}"
    tmp_file_path_full="/home/${system_user}/.config/gtk-3.0/bookmarks"
    trash-put ${tmp_file_path_full}
    ln -s "${file_path}/${file_name}" "${tmp_file_path_full}"

    file_name=.gtkrc-2.0
    file_path=/home/${system_user}
    deploy_file "${dots_trg}/gtk/${file_name}" "${file_path}/${file_name}"

    file_name=index.theme
    file_path=/home/${system_user}/.icons/default
    create_dir ${file_path}
    deploy_file "${dots_trg}/gtk/${file_name}" "${file_path}/${file_name}"

    # helix
    file_name=config.toml
    file_path=/home/${system_user}/.config/helix
    create_dir ${file_path}
    deploy_file "${dots_trg}/helix/${file_name}" "${file_path}/${file_name}"

    # nitrogen
    file_path=/home/${system_user}/.config/nitrogen
    create_dir ${file_path}
    deploy_file "${dots_trg}/nitrogen/*" "${file_path}/"

    # pcmanfm
    # bookmarks found in "dots/gtk/.gtk-bookmarks"
    file_name=pcmanfm.conf
    file_path=/home/${system_user}/.config/pcmanfm/default
    create_dir ${file_path}
    deploy_file "${dots_trg}/pcmanfm/${file_name}" "${file_path}/${file_name}"

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

        # i3
        file_name=config
        file_path=/home/${system_user}/.config/i3
        create_dir ${file_path}
        deploy_file "${dots_trg}/i3wm/${file_name}" "${file_path}/"

        # i3status
        file_name=config
        file_path=/home/${system_user}/.config/i3status
        create_dir ${file_path}
        deploy_file "${dots_trg}/i3status/${file_name}" "${file_path}/"

    fi

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

        # xorg
        file_path=/home/${system_user}
        deploy_file "${dots_trg}/xorg/.*" "${file_path}/"
        chmod 755 ${file_path}/.xinitrc

    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/${system_user}/.local/share/fonts
    create_dir ${file_path}
    deploy_file "${dotsplus_trg}/fonts/install/*" "${file_path}/"

    # ----------
    # images
    # ----------
    file_path=/home/${system_user}/.local/share/img
    create_dir ${file_path}
    deploy_file "${dotsplus_trg}/images/*" "${file_path}/"

    # ----------
    # wallpapers
    # ----------
    file_path=/home/${system_user}/.local/share/wp
    create_dir ${file_path}
    deploy_file "${dotsplus_trg}/wallpapers/install/*" "${file_path}/"

    # ----------
    # miscelanneous
    # ----------

    # vscodium theme
    # https://vscodethemes.com/e/sdras.night-owl/night-owl-no-italics?language=javascript
    # https://github.com/sdras/night-owl-vscode-theme/tree/main/themes
    # if a new version is commited, download and rename the following file:
    # https://github.com/sdras/night-owl-vscode-theme/archive/refs/heads/main.zip
    file_name=night-owl-vscode-theme-main.zip
    file_path=/home/${system_user}/.vscode-oss/extensions
    create_dir ${file_path}
    deploy_file "${dotsplus_trg}/miscellaneous/${file_name}" "${file_path}/" chown recursive

    # sweet dark gtk theme
    # https://github.com/EliverLara/Sweet
    # https://github.com/EliverLara/Sweet/releases
    file_name=Sweet-Dark.tar.xz
    file_path=/usr/share/themes
    deploy_file "${dotsplus_trg}/miscellaneous/${file_name}" "${file_path}/" chown recursive

    # ----------
    # chowning
    # ----------
    share_dir=/home/${system_user}/.local/share
    chown ${system_user}:${system_user} ${share_dir}
    chown ${system_user}:${system_user} ${share_dir}/*

fi