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

# -----------------------------------------------------------------------------
# playwright-recorder: Replay Playwright tests (headless)
#
# Purpose:
# - Replay previously generated Playwright tests
# - Run fully headless
# - Use Docker + official Playwright image
# - No GUI, no X11, no xhost
#
# Usage:
#   ./scripts/replay.sh
#   ./scripts/replay.sh recordings/login.spec.ts
#
# Optional env vars:
#   PLAYWRIGHT_VERSION=1.58.1
#   PLAYWRIGHT_IMAGE=mcr.microsoft.com/playwright:v1.58.1-jammy
#   RECORDINGS_DIR=recordings
# -----------------------------------------------------------------------------

PLAYWRIGHT_VERSION="${PLAYWRIGHT_VERSION:-1.58.1}"
PLAYWRIGHT_IMAGE="${PLAYWRIGHT_IMAGE:-mcr.microsoft.com/playwright:v${PLAYWRIGHT_VERSION}-jammy}"

RECORDINGS_DIR="${RECORDINGS_DIR:-recordings}"
TEST_FILE="${1:-}"

die() { echo "ERROR: $*" >&2; exit 1; }

require_cmd() {
  command -v "$1" >/dev/null 2>&1 || die "Missing command: $1"
}

repo_root() {
  git rev-parse --show-toplevel 2>/dev/null || pwd
}

require_cmd docker

ROOT="$(repo_root)"
REC_DIR="${ROOT}/${RECORDINGS_DIR}"

[[ -d "${REC_DIR}" ]] || die "Recordings dir not found: ${REC_DIR}"

# Build ephemeral workspace
WORK_DIR="${REC_DIR}/.replay-work"

rm -rf "${WORK_DIR}"
mkdir -p "${WORK_DIR}/tests"

cleanup() {
  rm -rf "${WORK_DIR}" >/dev/null 2>&1 || true
}
trap cleanup EXIT

# Copy recorded tests into workspace
if [[ -n "${TEST_FILE}" ]]; then
  [[ -f "${ROOT}/${TEST_FILE}" ]] || die "Test file not found: ${TEST_FILE}"
  cp "${ROOT}/${TEST_FILE}" "${WORK_DIR}/tests/"
else
  shopt -s nullglob
  cp "${REC_DIR}"/*.spec.ts "${WORK_DIR}/tests/" || die "No *.spec.ts found in ${REC_DIR}"
fi

# Minimal Playwright project
cat > "${WORK_DIR}/package.json" <<EOF
{
  "name": "playwright-replay",
  "private": true,
  "type": "commonjs",
  "devDependencies": {
    "@playwright/test": "${PLAYWRIGHT_VERSION}"
  },
  "scripts": {
    "test": "playwright test"
  }
}
EOF

cat > "${WORK_DIR}/playwright.config.ts" <<'EOF'
import { defineConfig } from '@playwright/test';

export default defineConfig({
  testDir: './tests',
  use: {
    headless: true,
    trace: 'retain-on-failure',
  },
});
EOF

echo "▶ Replaying Playwright tests"
echo "Image        : ${PLAYWRIGHT_IMAGE}"
echo "Workspace    : ${WORK_DIR}"
echo "Tests        : ${TEST_FILE:-all recordings}"
echo

docker run --rm \
  -v "${WORK_DIR}:/work" \
  -w /work \
  "${PLAYWRIGHT_IMAGE}" \
  bash -lc "npm install --no-audit --no-fund && npx playwright test"

echo
echo "✔ Replay finished"