name: Nightly DB Drift Check

on:
  schedule:
    - cron: "0 3 * * *" # daily at 03:00 UTC
  workflow_dispatch: {}

jobs:
  drift-postgres:
    runs-on: ubuntu-latest
    concurrency:
      group: drift-postgres-${{ github.ref }}
      cancel-in-progress: true
    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: liferpg
        ports:
          - 5432:5432
        options: >-
          --health-cmd="bash -lc 'cat < /dev/null > /dev/tcp/127.0.0.1/5432'" \
          --health-interval=10s \
          --health-timeout=5s \
          --health-retries=10
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Cache pip
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-3.12-${{ hashFiles('**/requirements*.txt', 'poetry.lock', 'Pipfile.lock') }}
          restore-keys: |
            ${{ runner.os }}-pip-3.12-
      - name: Install deps
        run: |
          python -m pip install --upgrade pip
          python -m pip install -r modern/backend/requirements_full.txt alembic
      - name: Wait for Postgres
        run: |
          python - <<'PY'
          import socket, time, sys
          host, port = '127.0.0.1', 5432
          for i in range(60):
              try:
                  with socket.create_connection((host, port), timeout=1):
                      sys.exit(0)
              except OSError:
                  time.sleep(1)
          print('Postgres not ready', file=sys.stderr)
          sys.exit(1)
          PY
      - name: Create DB schema
        env:
          DATABASE_URL: postgresql+psycopg2://postgres:postgres@localhost:5432/liferpg
        run: |
          export PYTHONPATH=$(pwd)
          alembic -c modern/alembic.ini upgrade head
      - name: Run schema drift check (Postgres)
        env:
          DATABASE_URL: postgresql+psycopg2://postgres:postgres@localhost:5432/liferpg
        run: |
          export PYTHONPATH=$(pwd)
          python scripts/alembic_check.py

  drift-sqlite:
    runs-on: ubuntu-latest
    concurrency:
      group: drift-sqlite-${{ github.ref }}
      cancel-in-progress: true
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Cache pip
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-3.12-${{ hashFiles('**/requirements*.txt', 'poetry.lock', 'Pipfile.lock') }}
          restore-keys: |
            ${{ runner.os }}-pip-3.12-
      - name: Install deps
        run: |
          python -m pip install --upgrade pip
          python -m pip install -r modern/backend/requirements_full.txt alembic
      - name: Upgrade DB
        env:
          DATABASE_URL: sqlite:///./modern_dev.db
        run: |
          export PYTHONPATH=$(pwd)
          alembic -c modern/alembic.ini upgrade head
      - name: Drift check (sqlite)
        env:
          DATABASE_URL: sqlite:///./modern_dev.db
        run: |
          export PYTHONPATH=$(pwd)
          python scripts/alembic_check.py