#!/bin/sh
set -eu

cd "$(dirname "$0")/.."

tmp=$(mktemp -d)
trap 'rm -rf "$tmp"' EXIT HUP INT TERM

docker compose --profile external config >"$tmp/base.yaml"
grep -q 'host_ip: 127.0.0.1' "$tmp/base.yaml"
grep -q 'AUTH_MODE: none' "$tmp/base.yaml"
grep -q 'THOTH_PUBLIC_EXPOSURE: "false"' "$tmp/base.yaml"
if grep -q 'env_file:' "$tmp/base.yaml"; then
  echo "base/production-neutral Compose must not load the local env file" >&2
  exit 1
fi

for secret in bootstrap migrator local_reader local_writer; do
  printf '%s' "contract-$secret" >"$tmp/$secret"
  chmod 0600 "$tmp/$secret"
done
THT_VECTOR_BOOTSTRAP_PASSWORD_SECRET_FILE="$tmp/bootstrap" \
THT_VECTOR_MIGRATOR_PASSWORD_SECRET_FILE="$tmp/migrator" \
THT_VECTOR_READER_PASSWORD_SECRET_FILE="$tmp/local_reader" \
THT_VECTOR_WRITER_PASSWORD_SECRET_FILE="$tmp/local_writer" \
  docker compose --profile local-vector config >"$tmp/local-vector.yaml"
grep -q 'THT_VECTOR_READER_PASSWORD_FILE: /run/secrets/vector_reader_password' "$tmp/local-vector.yaml"
grep -q 'THT_VECTOR_WRITER_PASSWORD_FILE: /run/secrets/vector_writer_password' "$tmp/local-vector.yaml"
if grep -q 'contract-local_' "$tmp/local-vector.yaml"; then
  echo "rendered local-vector config leaked a direct database secret" >&2
  exit 1
fi

docker compose -f compose.yaml -f deploy/compose.local.yaml \
  --profile external config >"$tmp/local.yaml"
grep -q 'env_file:' deploy/compose.local.yaml

for secret in dwh reader writer ca; do printf '%s\n' "test-$secret" >"$tmp/$secret"; done
THT_DWH_API_KEY_SECRET_FILE="$tmp/dwh" \
THT_VEC_API_KEY_SECRET_FILE="$tmp/reader" \
THT_VEC_WRITE_API_KEY_SECRET_FILE="$tmp/writer" \
THT_CA_SECRET_FILE="$tmp/ca" \
THT_DB_NAME=test THT_DWH_REST_URL=https://dwh.example.test \
THT_VEC_REST_URL=https://vector.example.test THT_OLLAMA_URL=https://embed.example.test \
  docker compose -f compose.yaml -f deploy/compose.production.yaml \
    --profile external config >"$tmp/production.yaml"
grep -q 'AUTH_MODE: upstream' "$tmp/production.yaml"
grep -q 'THOTH_PUBLIC_EXPOSURE: "true"' "$tmp/production.yaml"
grep -q 'target: thoth_ca.pem' "$tmp/production.yaml"
grep -q 'THT_DWH_API_KEY_FILE: /run/secrets/dwh_api_key' "$tmp/production.yaml"

if awk '/^FROM / && $2 !~ /@sha256:/ { found=1 } END { exit !found }' \
    docker/core.Dockerfile docker/frontend.Dockerfile; then
  echo "every Dockerfile base must include an immutable digest" >&2
  exit 1
fi

echo "container deployment security contract passed."