name: Vacuum Lint
description: >
  Validate and lint OpenAPI specifications using Vacuum.

inputs:
  spec-dir:
    description: Directory containing OpenAPI spec
    required: false
    default: "spec"
  spec-filename:
    description: Filename of the OpenAPI spec 
    required: false
    default: "openapi.json"
  rules-filename:
    description: Filename of the lint rules config file
    required: false
    default: "vacuum.rules.yaml"
  ignore-filename:
    description: Filename of the lint ignore file
    required: false
    default: "vacuum.ignore.yaml"
  min-score:
    description: Minimum linting score for the check to pass
    required: false
    default: "70"

runs:
  using: composite
  steps:
      # Pinned to commit SHA instead of a tag to prevent supply chain attacks.
      - name: Install Vacuum
        shell: bash
        run: curl -fsSL https://raw.githubusercontent.com/daveshanley/vacuum/8222bba0c8b21a3a94faf472e06c4db06f06c6ce/bin/install.sh | sudo sh > /dev/null 2>&1

      - name: Lint Spec
        shell: bash
        env:
          SPEC_DIR: ${{ inputs.spec-dir }}
          SPEC_FILE: ${{ inputs.spec-filename }}
          RULES_FILE: ${{ inputs.rules-filename }}
          IGNORE_FILE: ${{ inputs.ignore-filename }}
          MIN_SCORE: ${{ inputs.min-score }}
        run: |
          echo "Linting: [$SPEC_DIR/$SPEC_FILE]"

          # base command
          CMD="vacuum lint $SPEC_DIR/$SPEC_FILE -x --min-score $MIN_SCORE"

          # check for rules file
          if [ -f "$SPEC_DIR/$RULES_FILE" ]; then
              CMD="$CMD -r $SPEC_DIR/$RULES_FILE"
              echo "  - using ruleset [$SPEC_DIR/$RULES_FILE]"
          fi

          # check for ignore file
          if [ -f "$SPEC_DIR/$IGNORE_FILE" ]; then
              CMD="$CMD --ignore-file $SPEC_DIR/$IGNORE_FILE"
              echo "  - using ignore file [$SPEC_DIR/$IGNORE_FILE]"
          fi

          # execute command
          $CMD
    
          echo "Linted: [$SPEC_DIR/$SPEC_FILE]"
          echo ""