name: "Test Summary"
description: "Creates a markdown table from test results and uploads a summary file"

inputs:
  download-pattern:
    description: "The pattern to download test result rows"
    required: false
    default: test-result-*

  upload-name:
    description: "The artifact upload name for the summary"
    required: false
    default: summary-tests

runs:
  using: "composite"
  steps:
    - name: Download test result rows
      uses: actions/download-artifact@v4
      with:
        pattern: ${{ inputs.download-pattern }}
        merge-multiple: true
        path: rows

    - name: Build markdown table
      id: markdown-table
      run: |
        # Builds a markdown table from the row artifacts.

        header=$(cat <<EOF
        # Test results
        | Job name | Unit tests | Integration tests |
        | --- | --- | --- |
        EOF
        )

        rows=""
        for file in rows/*; do
          rows+=$(cat $file)
          rows+=$'\n'
        done

        {
          echo "markdown<<EOF"
          echo "$header"
          echo "$rows"
          echo "EOF"
        } >> $GITHUB_OUTPUT
      shell: bash

    - name: Set step summary
      id: summary
      run: |
        # Sets the step summary and creates a CI summary file.

        table="${{ steps.markdown-table.outputs.markdown }}"
        if [ -z "$table" ]; then
          echo "No test results found" | tee $GITHUB_STEP_SUMMARY >&2
          exit 1
        else
          echo "$table" > $GITHUB_STEP_SUMMARY
        fi

        count=$(echo "$table" | awk -v RS='' '{gsub(/[^❌]/, ""); print length}')
        file="ci-summary.md"

        if [ $count -gt 0 ]; then
          echo "❌🔬 Tests failed: $count" | tee $file
          echo "file=$file" >> $GITHUB_OUTPUT
        else
          # For debugging; don't send success to CI summary (reduce noise).
          echo > $file
          echo "✅🔬 All tests passed"
        fi

      shell: bash

    - name: Upload CI summary
      if: steps.summary.outputs.file
      uses: actions/upload-artifact@v4
      with:
        name: ${{ inputs.upload-name }}
        path: ${{ steps.summary.outputs.file }}
        if-no-files-found: error