#!/usr/bin/env bash
# install-config.sh -- dev-box helper: sync config/ into the live config dir.
#
# On the development machine the live config dir IS the thing being iterated on,
# so this is the inverse of the shipped installer: it overwrites the live files
# from the repo, because the repo is now the source of truth.
#
# Backs up anything it is about to change, so a stray live-edit is never lost.
#
#   ./install-config.sh [--dry-run]
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
DEST="${SL0PPIJ_CONFIG_DIR:-$HOME/.config/sl0ppij}"

dry_run=0
[ "${1:-}" = "--dry-run" ] || [ "${1:-}" = "-n" ] && dry_run=1

sync_one() {
    local src="$1" dst="$2"
    if cmp -s "$src" "$dst"; then
        echo "  same     ${dst/#$HOME/\~}"
        return
    fi
    if [ "$dry_run" = 1 ]; then
        echo "  would    ${dst/#$HOME/\~}"
        return
    fi
    mkdir -p "$(dirname "$dst")"
    [ -e "$dst" ] && cp -a "$dst" "$dst.bak.$(date +%Y%m%d%H%M%S)"
    install -m644 "$src" "$dst"
    echo "  updated  ${dst/#$HOME/\~}"
}

echo "syncing config/ -> ${DEST/#$HOME/\~}"
sync_one "$ROOT/config/config.kdl" "$DEST/config.kdl"
for f in "$ROOT/config/layouts/"*.kdl; do sync_one "$f" "$DEST/layouts/$(basename "$f")"; done
for f in "$ROOT/config/themes/"*.kdl;  do sync_one "$f" "$DEST/themes/$(basename "$f")";  done

echo
echo "note: config changes hot-reload; renderer changes need a new session."