#!/bin/sh

BOLD="$(tput bold)"
RED="$(tput setaf 1)"
GREEN="$(tput setaf 2)"
BLUE="$(tput setaf 4)"
NC="$(tput sgr0)"

target=$HOME
gitdir=$target/.local/share/dots

mkdir -p "$(dirname "$gitdir")"

baregit() {
    git --git-dir="$gitdir" --work-tree="$target" "$@"
}

[ -e "$gitdir" ] || {
    printf "%b" "${BOLD}${BLUE}Cloning dotfiles...$NC\n"

    git clone --bare git@git.snaile.de:luca/dotfiles "$gitdir"
    baregit checkout
    # baregit config status.showUntrackedFiles no

    cd "$target" || exit
    for f in *; do
        [ "$f" = ".config" ] || [ "$f" = ".local" ] && {
            echo "$f" >>"$gitdir/info/exclude"
            rm -rf "$f"
        }
    done
    cd - || exit
    cat <<EOF >>"$gitdir/info/exclude"
/*

!/\.config

!/\.local
/\.local/share/dots
/\.local/share/service
EOF
    echo ".local/share/dots" >>"$gitdir/info/exclude"
}

printf "%b" "${BOLD}${BLUE}Stashing existing changes...$NC\n"
stash_result=$(baregit stash push)
needs_pop=1
if [ "$stash_result" = "No local changes to save" ]; then
    needs_pop=0
fi
printf "\n"

printf "%b" "${BOLD}${BLUE}Pulling updates from dotfiles repo...$NC\n"
old_commit="$(baregit rev-parse HEAD)"
baregit pull origin main
baregit submodule update --remote --merge
printf "\n"

if [ $needs_pop -eq 1 ]; then
    printf "%b" "${BOLD}${BLUE}Popping stashed changes...$NC\n"
    baregit stash pop
fi
printf "\n"

unmerged_files=$(baregit diff --name-only --diff-filter=U)
if [ -n "$unmerged_files" ]; then
    printf "%b" "${RED}The following files have merge conflicts after popping the stash:$NC\n\n"
    printf "%s" "$unmerged_files\n\n"
    printf "%s" "${BOLD}${BLUE}Reverting to previous commit...$NC"
    baregit checkout "$old_commit"
fi

printf "%b" "${BOLD}${GREEN}Dotfiles synced successfully!$NC\n"

# BOLD="$(tput bold)"
# RED="$(tput setaf 1)"
# GREEN="$(tput setaf 2)"
# BLUE="$(tput setaf 4)"
# NC="$(tput sgr0)"
#
# dgit() {
#     git -C "$STOW_DIR/$DOTS_PACKAGE" "$@"
# }
#
# printf "%b" "${BOLD}${BLUE}Removing dotfile symlinks...$NC\n\n"
# stow -D -d "$STOW_DIR" -t "$HOME" "$DOTS_PACKAGE" || printf "%b" "${RED}Failed to run stow!$NC\n"
#
# printf "%b" "${BOLD}${BLUE}Stashing existing changes...$NC\n"
# stash_result=$(dgit stash push)
# needs_pop=1
# if [ "$stash_result" = "No local changes to save" ]; then
#     needs_pop=0
# fi
# printf "\n"
#
# printf "%b" "${BOLD}${BLUE}Pulling updates from dotfiles repo...$NC\n"
# old_commit="$(dgit rev-parse HEAD)"
# dgit pull origin main
# dgit submodule update --remote --merge
# printf "\n"
#
# if [ $needs_pop -eq 1 ]; then
#     printf "%b" "${BOLD}${BLUE}Popping stashed changes...$NC\n"
#     dgit stash pop
# fi
# printf "\n"
#
# unmerged_files=$(dgit diff --name-only --diff-filter=U)
# if [ -n "$unmerged_files" ]; then
#     printf "%b" "${RED}The following files have merge conflicts after popping the stash:$NC\n\n"
#     printf "%s" "$unmerged_files\n\n"
#     printf "%s" "${BOLD}${BLUE}Reverting to previous commit...$NC"
#     dgit checkout "$old_commit"
# fi
#
# printf "%b" "${BOLD}${BLUE}Symlinking dotfiles...$NC\n\n"
# stow -d "$STOW_DIR" -t "$HOME" "$DOTS_PACKAGE" || printf "%b" "${RED}Failed to run stow!$NC\n"
#
# printf "%b" "${BOLD}${GREEN}Dotfiles synced successfully!$NC\n"