#!/usr/bin/env bash
# Create isolated PostgreSQL database for Goose v1.49 local upgrade testing.
# Refuses production hosts (103/105/RDS).
set -euo pipefail

PG_HOST="${GOOSE_V149_PG_HOST:-127.0.0.1}"
PG_PORT="${GOOSE_V149_PG_PORT:-5432}"
DB_NAME="${GOOSE_V149_SESSION_DB:-goose_sessions_v149_dev}"
PG_USER="${GOOSE_V149_PG_USER:-${USER:-john}}"

fail() {
  echo "[goose-v149-db] FAIL: $*" >&2
  exit 1
}

case "${PG_HOST}" in
  127.0.0.1|localhost|::1) ;;
  58.38.22.103|120.26.184.105|*rds.aliyuncs.com*|*tkmind.cn*)
    fail "refusing production or remote host: ${PG_HOST}"
    ;;
  *)
    fail "unexpected PG host (only loopback allowed): ${PG_HOST}"
    ;;
esac

export PATH="/opt/homebrew/opt/postgresql@17/bin:${PATH:-/usr/bin:/bin}"

if ! pg_isready -h "${PG_HOST}" -p "${PG_PORT}" -q 2>/dev/null; then
  bash "$(cd "$(dirname "$0")/.." && pwd)/scripts/ensure-goose-session-postgres.sh"
fi

if psql -h "${PG_HOST}" -p "${PG_PORT}" -U "${PG_USER}" -d postgres -tAc \
  "SELECT 1 FROM pg_database WHERE datname='${DB_NAME}'" | grep -q 1; then
  echo "[goose-v149-db] database already exists: ${DB_NAME}"
else
  createdb -h "${PG_HOST}" -p "${PG_PORT}" -U "${PG_USER}" "${DB_NAME}"
  echo "[goose-v149-db] created database: ${DB_NAME}"
fi

echo "[goose-v149-db] GOOSE_SESSION_DB_URL=postgresql://${PG_USER}@${PG_HOST}:${PG_PORT}/${DB_NAME}"