name: 'Go Coverage Processor'
description: 'Process Go test coverage files and generate reports'

inputs:
  test-type:
    description: 'Type of test (e.g., be-unit, be-integration)'
    required: true
    type: string
  coverage-file:
    description: 'Path to the Go coverage file (.cov)'
    required: true
    type: string
  codecov-token:
    description: 'Token for CodeCov (required for CodeCov reporting)'
    required: false
    default: ''
  codecov-flag:
    description: 'Flag to categorize the upload to CodeCov'
    required: false
    default: ''
  codecov-name:
    description: 'Custom name for the upload to CodeCov'
    required: false
    default: ''

runs:
  using: 'composite'
  steps:
    - name: Process Go coverage output
      shell: bash
      env:
        COVERAGE_FILE: ${{ inputs.coverage-file }}
      run: |
        # Ensure valid coverage file even if empty
        if [ ! -s "$COVERAGE_FILE" ]; then
          echo "Coverage file is empty, creating a minimal valid file"
          echo "mode: set" > "$COVERAGE_FILE"
        fi

    - name: Report coverage to CodeCov
      uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d # v5
      if: inputs.codecov-token != ''
      with:
        files: ${{ inputs.coverage-file }}
        flags: ${{ inputs.codecov-flag || inputs.test-type }}
        name: ${{ inputs.codecov-name || inputs.test-type }}
        slug: grafana/grafana
        # This URL doesn't use the Google auth, but is much more locked down. As such, it requires OIDC or a CodeCov-provided token to do anything.
        url: https://codecov-webhook.grafana-dev.net
        token: ${{ inputs.codecov-token }}