name: Regression Tests

on:
  workflow_dispatch:
    inputs:
      branch:
        description: 'Branch to run tests on'
        required: true
        default: 'main'
        type: string

permissions:
  contents: write

env:
  OPENAI_API_KEY: fake-api-key
  PYTHONUNBUFFERED: 1

jobs:
  regression-tests:
    name: Regression - ${{ github.event.inputs.branch }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.branch }}
          fetch-depth: 0

      - name: Display execution info
        run: |
          echo "🚀 Running Regression Tests"
          echo "📂 Branch: ${{ github.event.inputs.branch }}"
          echo "📊 Current commit: $(git rev-parse --short HEAD)"

      - name: Install uv
        uses: astral-sh/setup-uv@v3
        with:
          enable-cache: true
          cache-dependency-glob: |
            **/pyproject.toml
            **/uv.lock

      - name: Set up Python 3.13
        run: uv python install 3.13

      - name: Install the project
        run: uv sync --dev --all-extras

      - name: Install SQLite with FTS5 support
        run: |
          # WORKAROUND: GitHub Actions' Ubuntu runner uses SQLite without FTS5 support compiled in.
          # This is a temporary fix until the runner includes SQLite with FTS5 or Python's sqlite3
          # module is compiled with FTS5 support by default.
          # TODO: Remove this workaround once GitHub Actions runners include SQLite FTS5 support

          # Install pysqlite3-binary which has FTS5 support
          uv pip install pysqlite3-binary
          # Create a sitecustomize.py to override sqlite3 with pysqlite3
          mkdir -p .pytest_sqlite_override
          echo "import sys; import pysqlite3; sys.modules['sqlite3'] = pysqlite3" > .pytest_sqlite_override/sitecustomize.py
          # Test FTS5 availability
          PYTHONPATH=.pytest_sqlite_override uv run python -c "import sqlite3; print(f'SQLite version: {sqlite3.sqlite_version}')"
          PYTHONPATH=.pytest_sqlite_override uv run python -c "import sqlite3; conn = sqlite3.connect(':memory:'); conn.execute('CREATE VIRTUAL TABLE test USING fts5(content)'); print('FTS5 module available')"

      - name: Run Regression Tests
        run: |
          PYTHONPATH=.pytest_sqlite_override uv run pytest \
            --block-network \
            --timeout=30 \
            -vv \
            --durations=10 \
            -n auto \
            --maxfail=5 \
            tests/regression