apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: pylint
spec:
  params:
    - name: subdirectory
      type: string
      description: Subdirectory within the repo where the source code is located
      default: ""

    - name: pythonImageName
      type: string
      description: Python version to use (e.g., python:3.11-slim)
      default: "python:3.11-slim"

    - name: pylint-args
      type: string
      description: Additional arguments for pylint (e.g., --fail-under=8)
      default: ""

    - name: fail-on-lint
      type: string
      default: "false"
      description: |
        If true, the step will exit with a failure code if pylint reports issues.
        Otherwise, it will always exit 0.

  results:
    - name: pylint-exit-code
      description: Exit code returned by pylint (0=clean, non-zero=issues)

  workspaces:
    - name: source
      description: Workspace containing the cloned Git repository

  steps:
    - name: run-pylint
      image: $(params.pythonImageName)
      workingDir: /workspace/source/$(params.subdirectory)
      env:
        - name: HOME
          value: /tekton/home
      script: |
        #!/usr/bin/env bash
        set -e

        echo "🔧 Installing dependencies..."
        pip install --upgrade pip --root-user-action=ignore

        if [ -f pyproject.toml ]; then
          echo "[INFO] Poetry project detected"
          pip install poetry --root-user-action=ignore
          poetry lock --no-update
          poetry install --with dev
        elif [ -f requirements.txt ]; then
          echo "[INFO] Pip project detected"
          pip install -r requirements.txt --root-user-action=ignore
        else
          echo "[INFO] No dependency file found"
        fi

        echo "✅ Installing pylint..."
        pip install pylint --root-user-action=ignore || poetry add --dev pylint || echo "[WARN] Pylint 설치 실패"

        echo "🧪 Running Pylint (JSON report)..."
        set +e
        REPORT_FILE="/workspace/source/pylint-report.json"

        if [ -f pyproject.toml ]; then
          poetry run pylint $(params.pylint-args) --output-format=json . > "$REPORT_FILE"
        else
          pylint $(params.pylint-args) --output-format=json . > "$REPORT_FILE"
        fi
        PYLINT_EXIT_CODE=$?
        set -e

        echo "$PYLINT_EXIT_CODE" > /tekton/results/pylint-exit-code
        echo "📄 Pylint exit code: $PYLINT_EXIT_CODE"

        echo "📦 Report saved to $REPORT_FILE"
        head -n 10 "$REPORT_FILE" || echo "[WARN] Empty report"

        if [ "$(params.fail-on-lint)" = "true" ] && [ "$PYLINT_EXIT_CODE" -ne 0 ]; then
          echo "❌ Pylint failed and fail-on-lint=true"
          exit $PYLINT_EXIT_CODE
        fi

        echo "✅ Task succeeded regardless of lint result"
        exit 0