name: user_project_ci

on:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:

permissions:
  contents: write
  pages: write
  id-token: write

env:
  PDK_ROOT: '/home/runner/work/pdk'
  OPENLANE_ROOT: '/home/runner/work/openlane'
  PDK: 'gf180mcuC'
  PDK_TECH: 'gf180mcu'
  SETUP_CACHE_KEY: 'gfmpw-0d'

concurrency: ${{ github.workflow }}-${{ github.ref_name }}

jobs:
  gds:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3

    - name: cache setup
      id: cache-setup
      uses: actions/cache@v3
      with:
        path: |
          ${{ env.PDK_ROOT }}
          ${{ env.OPENLANE_ROOT }}
          caravel/
          mgmt_core_wrapper/
          openlane.tar
        key: ${{ runner.os }}-setup-${{ env.SETUP_CACHE_KEY }}

    - if: steps.cache-setup.outputs.cache-hit != 'true'
      name: setup
      run: |
        make setup
        docker save efabless/openlane > openlane.tar

    - if: steps.cache-setup.outputs.cache-hit == 'true'
      name: restore setup
      run: |
        docker load < openlane.tar

    - name: debug
      run: |
        find $OPENLANE_ROOT/
        find $PDK_ROOT/

    - name: setup python
      uses: actions/setup-python@v4
      with:
        python-version: '3.10'

    - name: fetch verilog and build config
      run: |
        python -m pip install requests PyYAML Jinja2
        python configure.py --create-user-config

    - name: harden tiny_user_project
      run: |
        make tiny_user_project
        find openlane/tiny_user_project/runs/tiny_user_project/

    - name: show tiny_user_project metrics
      run: |
        python << EOF >> $GITHUB_STEP_SUMMARY
        import csv
        import pathlib

        print('# tiny_user_project')
        print('## metrics')
        metrics = pathlib.Path('openlane/tiny_user_project/runs/tiny_user_project/reports/metrics.csv')
        with metrics.open() as f:
            d = list(csv.DictReader(f))[0]
            print('key|value')
            print('---|-----')
            for k,v in d.items():
              print(f'{k}|{v}')
        EOF

    - name: show tiny_user_project reports
      run: |
        cat << EOF >> $GITHUB_STEP_SUMMARY
        ## manufacturability

        \`\`\`
        `cat openlane/tiny_user_project/runs/tiny_user_project/reports/manufacturability.rpt`
        \`\`\`
        EOF

    - name: harden user_project_wrapper
      run: |
        make user_project_wrapper
        find openlane/user_project_wrapper/runs/user_project_wrapper/

    - name: show user_project_wrapper metrics
      run: |
        python << EOF >> $GITHUB_STEP_SUMMARY
        import csv
        import pathlib

        print('# user_project_wrapper')
        print('## metrics')
        metrics = pathlib.Path('openlane/user_project_wrapper/runs/user_project_wrapper/reports/metrics.csv')
        with metrics.open() as f:
            d = list(csv.DictReader(f))[0]
            print('key|value')
            print('---|-----')
            for k,v in d.items():
              print(f'{k}|{v}')
        EOF

    - name: show user_project_wrapper reports
      run: |
        cat << EOF >> $GITHUB_STEP_SUMMARY
        ## manufacturability

        \`\`\`
        `cat openlane/user_project_wrapper/runs/user_project_wrapper/reports/manufacturability.rpt`
        \`\`\`
        EOF

    - name: cache gds
      uses: actions/cache@v3
      with:
        path: |
          def/
          gds/
          lef/
          mag/
          maglef/
          sdc/
          sdf/
          signoff/
          spef/
          spi/
          verilog/
          openlane/tiny_user_project/runs/tiny_user_project/tmp/synthesis/post_techmap.dot
        key: ${{ runner.os }}-gds-${{ github.run_id }}

  commit:
    if: github.ref_name == 'main'
    needs:
    - gds
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3

    - name: restore gds cache
      uses: actions/cache@v3
      with:
        path: |
          def/
          gds/
          lef/
          mag/
          maglef/
          sdc/
          sdf/
          signoff/
          spef/
          spi/
          verilog/
          openlane/tiny_user_project/runs/tiny_user_project/tmp/synthesis/post_techmap.dot
        key: ${{ runner.os }}-gds-${{ github.run_id }}

    - name: commit
      run: |
        git status
        git config --local user.name "tinybot"
        git config --local user.email "bot@tinytapeout.com"
        git add .
        git commit -m "harden project [skip ci]"
        git push origin main

  layout:
    needs: gds
    runs-on: ubuntu-latest
    steps:
    - name: setup python
      uses: actions/setup-python@v4
      with:
        python-version: '3.10'
    - name: restore gds cache
      uses: actions/cache@v3
      with:
        path: |
          def/
          gds/
          lef/
          mag/
          maglef/
          sdc/
          sdf/
          signoff/
          spef/
          spi/
          verilog/
          openlane/tiny_user_project/runs/tiny_user_project/tmp/synthesis/post_techmap.dot
        key: ${{ runner.os }}-gds-${{ github.run_id }}
    - name: create synth svg
      run: |
        sudo apt-get install -yq graphviz
        dot -Tpng openlane/tiny_user_project/runs/tiny_user_project/tmp/synthesis/post_techmap.dot > tiny_user_project_synth.png
    - name: create layout svg
      run: |
        python -m pip install gdstk
        python << EOF
        import gdstk
        library = gdstk.read_gds('gds/tiny_user_project.gds')
        top_cells = library.top_level()
        top_cells[0].write_svg('tiny_user_project_layout.svg')
        EOF
    - name: convert to png
      run: |
        python -m pip install cairosvg
        python << EOF
        import cairosvg
        cairosvg.svg2png(url='tiny_user_project_layout.svg', write_to='tiny_user_project_layout.png', output_width=500)        
        EOF
    - name: populate img cache
      uses: actions/cache@v3
      with:
        path: |
          tiny_user_project_synth.png
          tiny_user_project_layout.png
        key: ${{ runner.os }}-img-${{ github.run_id }}

  pages:
    if: github.ref_name == 'main'
    needs:
    - layout
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    outputs:
      page_url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    steps:
    - name: restore img cache
      uses: actions/cache@v3
      with:
        path: |
          tiny_user_project_synth.png
          tiny_user_project_layout.png
        key: ${{ runner.os }}-img-${{ github.run_id }}
    - name: setup pages
      uses: actions/configure-pages@v2
    - name: upload artifact
      uses: actions/upload-pages-artifact@v1
      with:
        path: '.'
    - name: deploy to github pages
      id: deployment
      uses: actions/deploy-pages@v1

  preview:
    needs: pages
    runs-on: ubuntu-latest
    steps:
    - name: add gds preview
      run: |
        PAGE_URL=${{ needs.pages.outputs.page_url }}
        PAGE_URL=$(echo "$PAGE_URL" | sed -e 's/\/$//')
        cat << EOF >> $GITHUB_STEP_SUMMARY
        # synth
        ![synth]($PAGE_URL/tiny_user_project_synth.png)
        # layout
        ![layout]($PAGE_URL/tiny_user_project_layout.png)
        EOF