#!/usr/bin/env bash
set -euo pipefail

BACKUP_DIR="/gitea/backups"
TMP_BASE="/tmp/soloforge-restore-test"
CONTAINER_IMAGE="gitea/gitea:latest"  # for future deeper tests if desired

mkdir -p "$TMP_BASE"

latest="$(ls -1t "$BACKUP_DIR"/gitea-dump-*.zip 2>/dev/null | head -n1 || true)"

if [[ -z "$latest" ]]; then
    echo "[restore-test] No backup files found in $BACKUP_DIR"
    forge-alert.sh "ERROR" "restore-test" "No backup files found in $BACKUP_DIR"

    exit 1
fi

echo "[restore-test] Using latest backup: $latest"

# Basic ZIP integrity test
echo "[restore-test] Running unzip -t ..."
if ! unzip -t "$latest" >/dev/null 2>&1; then
    echo "[restore-test] unzip -t failed for $latest"
    forge-alert.sh "ERROR" "restore-test" "Backup failed unzip test: $(basename "$latest")"

    exit 1
fi

# Optional: extraction smoke test
tmpdir="$(mktemp -d "$TMP_BASE/restore-test-XXXXXX")"
echo "[restore-test] Extracting into $tmpdir ..."
if ! unzip -qq "$latest" -d "$tmpdir"; then
    echo "[restore-test] unzip extract failed for $latest"
    forge-alert.sh "ERROR" "restore-test" "Backup failed extraction: $(basename "$latest")"
    rm -rf "$tmpdir"

    exit 1
fi

# Clean up
rm -rf "$tmpdir"

echo "[restore-test] Backup passed unzip + extraction checks."
forge-alert.sh "INFO" "restore-test" "Backup $(basename "$latest") passed restore tests."