#!/usr/bin/env bash
# Delete the generated POC runtime state at /home/jwoltje/.mosaic-dev,
# but ONLY when every safety check passes:
#   1. The resolved path is exactly /home/jwoltje/.mosaic-dev.
#   2. The path is not a symbolic link.
#   3. The directory contains the .mosaic-poc-root ownership marker
#      created by this project.
# Any failed check aborts with nothing deleted.
set -euo pipefail
cd "$(dirname "$0")/.."
# shellcheck source=common.sh
source scripts/common.sh

# Reset operates on the CONFIGURED data root. Configuration itself is
# never a reset target; a missing/invalid configuration aborts here.
load_config
TARGET="$MOSAIC_DATA_ROOT"
MARKER="$POC_ROOT_MARKER"

fail() {
    echo "reset: refusing to delete: $*" >&2
    exit 1
}

# Nothing to do when the directory does not exist.
if [ ! -e "$TARGET" ]; then
    echo "reset: $TARGET does not exist; nothing to remove"
    exit 0
fi

# Check 2 (before resolution): the path itself must not be a symlink.
if [ -L "$TARGET" ]; then
    fail "$TARGET is a symbolic link"
fi

# Check 1: resolved path must be exactly the POC runtime directory.
RESOLVED="$(realpath "$TARGET")"
if [ "$RESOLVED" != "$TARGET" ]; then
    fail "resolved path $RESOLVED is not $TARGET"
fi

# Check 3: ownership marker created by this project must be present.
if [ ! -f "$TARGET/$MARKER" ]; then
    fail "missing $MARKER ownership marker in $TARGET"
fi

rm -rf -- "$TARGET"
echo "reset: removed $TARGET"