name: CI

on:
  pull_request:
  push:
    branches: [main]

env:
  CARGO_TERM_COLOR: always
  PGRX_VERSION: "0.17.0"

jobs:
  core:
    name: Core tests + parity
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: Run core tests (includes 5k C-parity gate)
        run: cargo test -p kazsearch-core --release
      - name: Build CLI
        run: cargo build -p kazsearch-cli --release
      - name: Lexicon builder is reproducible
        run: |
          python3 scripts/build_lexicon.py --stats
          git diff --exit-code data/tsearch_data/kaz_stems.dict data/tsearch_data/kaz_stems.dict.verbs

  pg_ext:
    name: PostgreSQL extension (pg${{ matrix.pg }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        pg: [16, 17, 18]
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
        with:
          key: pg${{ matrix.pg }}
      - name: Install PostgreSQL ${{ matrix.pg }} (pgdg)
        run: |
          sudo apt-get update
          sudo apt-get install -y postgresql-common
          sudo /usr/share/postgresql-common/pgdg/apt.postgresql.org.sh -y
          sudo apt-get install -y postgresql-${{ matrix.pg }} postgresql-server-dev-${{ matrix.pg }}
      - name: Install cargo-pgrx
        run: cargo install cargo-pgrx --version "$PGRX_VERSION" --locked
      - name: pgrx init
        run: cargo pgrx init --pg${{ matrix.pg }} /usr/lib/postgresql/${{ matrix.pg }}/bin/pg_config
      - name: Install extension
        run: |
          cargo pgrx install --release -p pg_kazsearch \
            --no-default-features --features pg${{ matrix.pg }} \
            -c /usr/lib/postgresql/${{ matrix.pg }}/bin/pg_config --sudo
          sharedir=$(/usr/lib/postgresql/${{ matrix.pg }}/bin/pg_config --sharedir)
          sudo cp data/tsearch_data/kaz_stems.dict data/tsearch_data/kaz_stems.dict.verbs data/tsearch_data/kaz_stopwords.stop "$sharedir/tsearch_data/"
          sudo cp pg_ext/sql/pg_kazsearch--*--*.sql "$sharedir/extension/"
      - name: CREATE EXTENSION + smoke assertions
        run: |
          # The runner image ships a PostgreSQL 16 cluster, so pgdg packages
          # for other majors don't auto-create one, and a fresh cluster gets a
          # non-default port — create it explicitly and connect by port.
          sudo pg_createcluster ${{ matrix.pg }} main 2>/dev/null || true
          sudo pg_ctlcluster ${{ matrix.pg }} main start 2>/dev/null || true
          pg_lsclusters
          port=$(pg_lsclusters -h | awk -v v="${{ matrix.pg }}" '$1 == v && $2 == "main" {print $3}')
          echo "Using cluster ${{ matrix.pg }}/main on port $port"
          sudo -u postgres psql -p "$port" -v ON_ERROR_STOP=1 <<'SQL'
          CREATE EXTENSION pg_kazsearch;
          -- stemming works through the dictionary
          DO $$
          BEGIN
            ASSERT (SELECT ts_lexize('pg_kazsearch_dict', 'алмаларымыздағы')) = ARRAY['алма'],
              'noun chain stemming failed';
            ASSERT (SELECT ts_lexize('pg_kazsearch_dict', 'мектептеріміздегі')) = ARRAY['мектеп'],
              'locative chain stemming failed';
            -- numbers and urls must survive tsvector construction
            ASSERT (SELECT to_tsvector('kazakh_cfg', '2026 жылы 15,5% https://example.kz') @@ '2026'::tsquery),
              'numeric tokens are dropped';
          END $$;
          SQL

  es_plugin:
    name: Elasticsearch plugin
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
        with:
          key: es-native
      - uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "21"
      - uses: gradle/actions/setup-gradle@v4
        with:
          gradle-version: "8.11.1"
      - name: Build native library
        run: ./scripts/build_elastic_native.sh
      - name: Gradle test + bundle
        working-directory: elastic/java
        run: gradle test bundlePlugin
      - name: Verify plugin zip contents
        run: |
          zip=$(ls elastic/java/build/distributions/analysis-kazsearch-*.zip)
          unzip -l "$zip"
          unzip -l "$zip" | grep -E "libkazsearch_elastic\.(so|dylib)" \
            || { echo "::error::plugin zip is missing the native library"; exit 1; }
          unzip -l "$zip" | grep -q "kaz_stems.dict" \
            || { echo "::error::plugin zip is missing the bundled lexicon"; exit 1; }
          unzip -l "$zip" | grep -q "kaz_stems.dict.verbs" \
            || { echo "::error::plugin zip is missing the verb lexicon sibling"; exit 1; }