name: Run QL for QL

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  CARGO_TERM_COLOR: always

jobs:
  queries:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Find codeql
        id: find-codeql
        uses: github/codeql-action/init@aa93aea877e5fb8841bcb1193f672abf6e9f2980
        with:
          languages: javascript # does not matter
          tools: latest
      - name: Get CodeQL version
        id: get-codeql-version
        run: |
          echo "::set-output name=version::$("${CODEQL}" --version | head -n 1 | rev | cut -d " " -f 1 | rev)"
        shell: bash
        env:
          CODEQL: ${{ steps.find-codeql.outputs.codeql-path }}
      - name: Cache queries
        id: cache-queries
        uses: actions/cache@v3
        with:
          path: ${{ runner.temp }}/query-pack.zip
          key: queries-${{ hashFiles('ql/**/*.ql*') }}-${{ hashFiles('ql/**/qlpack.yml') }}-${{ hashFiles('ql/ql/src/ql.dbscheme*') }}-${{ steps.get-codeql-version.outputs.version }}
      - name: Build query pack
        if: steps.cache-queries.outputs.cache-hit != 'true'
        run: |
          cd ql/ql/src
          "${CODEQL}" pack create
          cd .codeql/pack/codeql/ql/0.0.0
          zip "${PACKZIP}" -r .
        env:
          CODEQL: ${{ steps.find-codeql.outputs.codeql-path }}
          PACKZIP: ${{ runner.temp }}/query-pack.zip
      - name: Upload query pack
        uses: actions/upload-artifact@v3
        with:
          name: query-pack-zip
          path: ${{ runner.temp }}/query-pack.zip

  extractors:
    strategy:
      fail-fast: false

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
      - name: Cache entire extractor
        id: cache-extractor
        uses: actions/cache@v3
        with:
          path: |
            ql/target/release/ql-autobuilder
            ql/target/release/ql-autobuilder.exe
            ql/target/release/ql-extractor
            ql/target/release/ql-extractor.exe
          key: ${{ runner.os }}-extractor-${{ hashFiles('ql/**/Cargo.lock') }}-${{ hashFiles('ql/**/*.rs') }}
      - name: Cache cargo
        if: steps.cache-extractor.outputs.cache-hit != 'true'
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            ql/target
          key: ${{ runner.os }}-rust-cargo-${{ hashFiles('ql/**/Cargo.lock') }}
      - name: Check formatting
        if: steps.cache-extractor.outputs.cache-hit != 'true'
        run: cd ql; cargo fmt --all -- --check
      - name: Build
        if: steps.cache-extractor.outputs.cache-hit != 'true'
        run: cd ql; cargo build --verbose
      - name: Run tests
        if: steps.cache-extractor.outputs.cache-hit != 'true'
        run: cd ql; cargo test --verbose
      - name: Release build
        if: steps.cache-extractor.outputs.cache-hit != 'true'
        run: cd ql; cargo build --release
      - name: Generate dbscheme
        if: steps.cache-extractor.outputs.cache-hit != 'true'
        run: ql/target/release/ql-generator --dbscheme ql/ql/src/ql.dbscheme --library ql/ql/src/codeql_ql/ast/internal/TreeSitter.qll
      - uses: actions/upload-artifact@v3
        with:
          name: extractor-ubuntu-latest
          path: |
            ql/target/release/ql-autobuilder
            ql/target/release/ql-autobuilder.exe
            ql/target/release/ql-extractor
            ql/target/release/ql-extractor.exe
          retention-days: 1
  package:
    runs-on: ubuntu-latest

    needs:
      - extractors
      - queries

    steps:
      - uses: actions/checkout@v3
      - uses: actions/download-artifact@v3
        with:
          name: query-pack-zip
          path: query-pack-zip
      - uses: actions/download-artifact@v3
        with:
          name: extractor-ubuntu-latest
          path: linux64
      - run: |
          unzip query-pack-zip/*.zip -d pack
          cp -r ql/codeql-extractor.yml ql/tools ql/ql/src/ql.dbscheme.stats pack/
          mkdir -p pack/tools/linux64
          if [[ -f linux64/ql-autobuilder ]]; then
            cp linux64/ql-autobuilder pack/tools/linux64/autobuilder
            chmod +x pack/tools/linux64/autobuilder
          fi
          if [[ -f linux64/ql-extractor ]]; then
            cp linux64/ql-extractor pack/tools/linux64/extractor
            chmod +x pack/tools/linux64/extractor
          fi
          cd pack
          zip -rq ../codeql-ql.zip .
      - uses: actions/upload-artifact@v3
        with:
          name: codeql-ql-pack
          path: codeql-ql.zip
          retention-days: 1
  analyze:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        folder: [cpp, csharp, java, javascript, python, ql, ruby, swift, go]

    needs:
      - package

    steps:
      - name: Download pack
        uses: actions/download-artifact@v3
        with:
          name: codeql-ql-pack
          path: ${{ runner.temp }}/codeql-ql-pack-artifact

      - name: Prepare pack
        run: |
          unzip "${PACK_ARTIFACT}/*.zip" -d "${PACK}"
        env:
          PACK_ARTIFACT: ${{ runner.temp }}/codeql-ql-pack-artifact
          PACK: ${{ runner.temp }}/pack
      - name: Hack codeql-action options
        run: |
          JSON=$(jq -nc --arg pack "${PACK}" '.database."run-queries"=["--search-path", $pack] | .resolve.queries=["--search-path", $pack] | .resolve.extractor=["--search-path", $pack] | .database.init=["--search-path", $pack]')
          echo "CODEQL_ACTION_EXTRA_OPTIONS=${JSON}" >> ${GITHUB_ENV}
        env:
          PACK: ${{ runner.temp }}/pack

      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Create CodeQL config file
        run: |
          echo "paths:" > ${CONF}
          echo "  - ${FOLDER}" >> ${CONF}
          echo "paths-ignore:" >> ${CONF}
          echo "  - ql/ql/test" >> ${CONF} 
          echo "disable-default-queries: true" >> ${CONF}
          echo "packs:" >> ${CONF}
          echo "  - codeql/ql" >> ${CONF}
          echo "Config file: "
          cat ${CONF}
        env: 
          CONF: ./ql-for-ql-config.yml
          FOLDER: ${{ matrix.folder }}
      - name: Initialize CodeQL
        uses: github/codeql-action/init@aa93aea877e5fb8841bcb1193f672abf6e9f2980
        with:
          languages: ql
          db-location: ${{ runner.temp }}/db
          config-file: ./ql-for-ql-config.yml
          tools: latest

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@aa93aea877e5fb8841bcb1193f672abf6e9f2980
        with: 
          category: "ql-for-ql-${{ matrix.folder }}"
      - name: Copy sarif file to CWD
        run: cp ../results/ql.sarif ./${{ matrix.folder }}.sarif
      - name: Sarif as artifact
        uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.folder }}.sarif
          path: ${{ matrix.folder }}.sarif