#!/usr/bin/env bash
# ---------------------------------------------------------------------------
#  Put back the configs that install.sh moved aside.
#    scripts/restore-backup.sh              # restore the most recent backup
#    scripts/restore-backup.sh <dir>        # restore a specific backup
#    scripts/restore-backup.sh --list       # show available backups
# ---------------------------------------------------------------------------
source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"

mapfile -t BACKUPS < <(find "$HOME" -maxdepth 1 -type d -name '.config-backup-*' | sort -r)

if [[ "${1:-}" == "--list" ]]; then
  if [[ ${#BACKUPS[@]} -eq 0 ]]; then
    echo "no backups found in $HOME"
  else
    printf '%s\n' "${BACKUPS[@]}"
  fi
  exit 0
fi

SRC="${1:-${BACKUPS[0]:-}}"
[[ -n "$SRC" ]] || die "no backup directories found (looked for ~/.config-backup-*)"
[[ -d "$SRC" ]] || die "not a directory: $SRC"

log "Restoring from ${SRC/#$HOME/\~}"
step "the following files will be copied back over your current configs:"
(cd "$SRC" && find . -type f | sed 's|^\./|  ~/|')

confirm "Restore these files?" || die "aborted"

# -a preserves modes; the trailing /. copies the contents, not the directory.
run cp -a "$SRC/." "$HOME/"
ok "restored — restart i3 (Super+Shift+R) or log out and back in"