name: display-log-group
description: |
  Display a log file in a collapsible group with timing and error handling.
  Expects log files to have ELAPSED_TIME and EXIT_CODE metadata lines.

inputs:
  name:
    description: 'Name of the task (for display)'
    required: true
  log-file:
    description: 'Path to the log file'
    required: true
  done-file:
    description: 'Path to the done marker file to wait for'
    required: true
  group-icon:
    description: 'Icon to show in group title'
    required: false
    default: '📦'
  filter-pattern:
    description: 'Optional grep pattern to filter output'
    required: false
    default: ''
  max-lines:
    description: 'Maximum lines to show (0 for unlimited)'
    required: false
    default: '0'

runs:
  using: composite
  steps:
    - name: Display ${{ inputs.name }} results
      shell: bash
      run: |
        # Wait for task completion
        while [ ! -f "${{ inputs.done-file }}" ]; do
          sleep 0.1
        done

        echo "::group::${{ inputs.group-icon }} ${{ inputs.name }}"

        if [ -f "${{ inputs.log-file }}" ]; then
          # Extract metadata
          ELAPSED=$(grep "^ELAPSED_TIME=" "${{ inputs.log-file }}" | cut -d= -f2 || echo "unknown")
          TOTAL=$(grep "^TOTAL_TIME=" "${{ inputs.log-file }}" | cut -d= -f2 || echo "")
          EXIT_CODE=$(grep "^EXIT_CODE=" "${{ inputs.log-file }}" | cut -d= -f2 || echo "1")

          # Show output (excluding metadata lines)
          if [[ -n "${{ inputs.filter-pattern }}" ]]; then
            # Filter output by pattern
            grep -E "${{ inputs.filter-pattern }}" "${{ inputs.log-file }}" | grep -v "^ELAPSED_TIME=\|^EXIT_CODE=\|^TOTAL_TIME=" || true
          else
            # Show full output
            if [[ "${{ inputs.max-lines }}" != "0" ]]; then
              grep -v "^ELAPSED_TIME=\|^EXIT_CODE=\|^TOTAL_TIME=" "${{ inputs.log-file }}" | head -${{ inputs.max-lines }}
            else
              grep -v "^ELAPSED_TIME=\|^EXIT_CODE=\|^TOTAL_TIME=" "${{ inputs.log-file }}"
            fi
          fi

          # Show result with timing info
          if [ "$EXIT_CODE" = "0" ]; then
            if [ -n "$TOTAL" ]; then
              echo "✅ ${{ inputs.name }} completed (${ELAPSED}s task, ${TOTAL}s total)"
            else
              echo "✅ ${{ inputs.name }} completed (${ELAPSED}s)"
            fi
          else
            if [ -n "$TOTAL" ]; then
              echo "⚠️ ${{ inputs.name }} had issues (exit code: $EXIT_CODE) (${ELAPSED}s task, ${TOTAL}s total)"
            else
              echo "⚠️ ${{ inputs.name }} had issues (exit code: $EXIT_CODE) (${ELAPSED}s)"
            fi
            # Don't exit with failure - let the main job continue so we can see what went wrong
            # The actual build steps will fail if packages are missing
          fi
        else
          echo "⚠️ No log file found at ${{ inputs.log-file }}"
        fi

        echo "::endgroup::"