#!/bin/bash

dot_dir=$HOME/.dofiles
repo="https://git.capella.pro/capella/dotfiles.git"

set -ex
trap popd EXIT

mkdir -pv $dot_dir
pushd $dot_dir


sub_help(){
    echo "Usage: $ProgName <subcommand> [options]\n"
    echo "Subcommands:"
    echo "    sync <dot_file_to_add>    add a dotfyle to sync"
    echo ""
    echo "For help with each subcommand run:"
    echo "$ProgName <subcommand> -h|--help"
    echo ""
}

sub_sync(){
    if [[ ! -d $dot_dir/dotfiles/.git ]]; then
        git clone $repo
        pushd dotfiles
        git submodule init
        git submodule update
        popd
    fi
    mkdir -p dotfiles/dots
    cd dotfiles/dots
    git pull
    if [ ! -z "$1" ]; then
        real_path=$(realpath $1)
        to_copy=${real_path#*$HOME}
        cp -R $real_path $(pwd)$to_copy
        rm -rf $real_path
        echo "${to_copy/\//}" >> ../to_sync
    fi
    cd ..
    git add .
    if git commit -am "$(date)"; then
        git remote add origin $repo || true
        git push -u origin master
    fi

    while read p; do
        destination="$HOME/$p"
        rm -rf $destination
        ln -s "$dot_dir/dotfiles/dots/$p" $(dirname $destination)
    done <to_sync
}


subcommand=$1
case $subcommand in
    "" | "-h" | "--help")
        sub_help
        ;;
    *)
        shift
        sub_${subcommand} $@
        if [ $? = 127 ]; then
            echo "Error: '$subcommand' is not a known subcommand." >&2
            echo "       Run '$ProgName --help' for a list of known subcommands." >&2
            exit 1
        fi
        ;;
esac