#!/bin/bash
#|---/ /+------------------------------------+---/ /|#
#|--/ /-| Script to restore personal configs |--/ /-|#
#|-/ /--| Prasanth Rangan                    |-/ /--|#
#|/ /---+------------------------------------+/ /---|#

source global_fn.sh
if [ $? -ne 0 ] ; then
    echo "Error: unable to source global_fn.sh, please execute from $(dirname "$(realpath "$0")")..."
    exit 1
fi

ThemeOverride="${1:-}"              #override default config list with custom theme list [param 1]
CfgDir="${2:-${CloneDir}/Configs}"  #override default config path with custom theme path [param 2]

if [ ! -f "${ThemeOverride}restore_cfg.lst" ] || [ ! -d "${CfgDir}" ] ; then
    echo "ERROR : '${ThemeOverride}restore_cfg.lst' or '${CfgDir}' does not exist..."
    exit 1
fi

BkpDir="${HOME}/.config/cfg_backups/$(date +'%y%m%d_%Hh%Mm%Ss')"

if [ -d "${BkpDir}" ] ; then
    echo "ERROR : ${BkpDir} exists!"
    exit 1
else
    mkdir -p "${BkpDir}"
fi

cat "${ThemeOverride}restore_cfg.lst" | while read lst
do

    ovrWrte=`echo "${lst}" | awk -F '|' '{print $1}'`
    bkpFlag=`echo "${lst}" | awk -F '|' '{print $2}'`
    pth=`echo "${lst}" | awk -F '|' '{print $3}'`
    pth=`eval echo "${pth}"`
    cfg=`echo "${lst}" | awk -F '|' '{print $4}'`
    pkg=`echo "${lst}" | awk -F '|' '{print $5}'`

    while read -r pkg_chk
    do
        if ! pkg_installed ${pkg_chk}
            then
            echo "skipping ${pth}/${cfg} as dependency ${pkg_chk} is not installed..."
            continue 2
        fi
    done < <( echo "${pkg}" | xargs -n 1 )

    echo "${cfg}" | xargs -n 1 | while read -r cfg_chk
    do
        if [[ -z "${pth}" ]]; then continue; fi
        tgt=`echo "${pth}" | sed "s+^${HOME}++g"`

        if ( [ -d "${pth}/${cfg_chk}" ] || [ -f "${pth}/${cfg_chk}" ] ) && [ "${bkpFlag}" == "Y" ]
            then

            if [ ! -d "${BkpDir}${tgt}" ] ; then
                mkdir -p "${BkpDir}${tgt}"
            fi

            [ "${ovrWrte}" == "Y" ] && mv "${pth}/${cfg_chk}" "${BkpDir}${tgt}" || cp -r "${pth}/${cfg_chk}" "${BkpDir}${tgt}"
            echo "config backed up ${pth}/${cfg_chk} --> ${BkpDir}${tgt}..."
        fi

        if [ ! -d "${pth}" ] ; then
            mkdir -p "${pth}"
        fi

        if [ ! -f "${pth}/${cfg_chk}" ] ; then
            cp -r "${CfgDir}${tgt}/${cfg_chk}" "${pth}"
            echo "config restored ${pth} <-- ${CfgDir}${tgt}/${cfg_chk}..."
        elif [ "${ovrWrte}" == "Y" ] ; then
            cp -r "${CfgDir}$tgt/${cfg_chk}" "${pth}"
            echo "warning: config overwritten without backup ${pth} <-- ${CfgDir}${tgt}/${cfg_chk}..."
        else
            echo "Skipping ${pth}/${cfg_chk} to preserve user setting..."
        fi
    done

done

if nvidia_detect && [ $(grep '^source = ~/.config/hypr/nvidia.conf' ${HOME}/.config/hypr/hyprland.conf | wc -l) -eq 0 ] ; then
    echo -e 'source = ~/.config/hypr/nvidia.conf # auto sourced vars for nvidia\n' >> ${HOME}/.config/hypr/hyprland.conf
fi

./create_cache.sh "${ThemeOverride}"
[ -z "${ThemeOverride}" ] && ./restore_lnk.sh