#!/usr/bin/env bash
# restore.sh — CONTRACT_004 §4.6 restore verifier (operator orchestrator).
#
#   ./backup/restore.sh <UTC-timestamp> [rfs|off]
#
# Pulls the bundle (default from RustFS; `off` checks the offsite copy) and asserts
# it reconstructs into scratch resources — NON-DESTRUCTIVE, it never touches the
# live platform. The real disaster restore is dr/restore-to-fresh-vm.sh (T13).
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
DIR="$ROOT/bootstrap"
TS="${1:?usage: restore.sh <UTC-timestamp> [rfs|off]}"
SRC="${2:-rfs}"
export PULUMI_BACKEND_URL="file://${DIR}/state"
export PULUMI_CONFIG_PASSPHRASE="$(pass olsitec-foundation/PULUMI_CONFIG_PASSPHRASE)"
KEY="${SSH_PRIVATE_KEY_PATH:-${HOME}/.ssh/foundation-test_ed25519}"
MC_IMAGE="$(grep '^IMAGE_MC=' "$ROOT/VERSIONS" | cut -d= -f2-)"
PG_IMAGE="$(grep '^IMAGE_POSTGRES=' "$ROOT/VERSIONS" | cut -d= -f2-)"
cd "$DIR"
pulumi stack select foundation >/dev/null

OFF_EP=$(pulumi config get foundation:backup.offsiteEndpoint)
OFF_AK=$(pulumi config get foundation:backup.offsiteAccessKey)
OFF_SK=$(pulumi config get foundation:backup.offsiteSecretKey)
BUCKET=$(pulumi config get foundation:backup.bucket)
HOST=$(pulumi config get foundation:vm.host)
PORT=$(pulumi config get foundation:vm.sshPort)
SUSER=$(pulumi config get foundation:vm.user)
SSHX="ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=15 -i $KEY -p $PORT $SUSER@$HOST"

$SSHX "cat > /tmp/restore-remote-$TS.sh" < "$ROOT/backup/restore-remote.sh"
printf '%s\n%s\n%s\n%s\n' "$OFF_EP" "$OFF_AK" "$OFF_SK" "$BUCKET" \
  | $SSHX "sh /tmp/restore-remote-$TS.sh '$TS' '$MC_IMAGE' '$PG_IMAGE' '$SRC'; rm -f /tmp/restore-remote-$TS.sh"