name: "Terraform/OpenTofu PR Commenter"
description: "Posts Terraform or OpenTofu command results as PR comments for GitHub/Gitea."
author: "Charish Patel"

inputs:
  commenter_type:
    description: "Type of command: init, fmt, validate, plan"
    required: true

  commenter_input:
    description: "Output from the command (multi-line allowed)"
    required: true

  commenter_exitcode:
    description: "Exit code from the command"
    required: true
    default: "0"

  working_directory:
    description: "Optional working directory relative to repo root"
    required: false

  pr_comments_url:
    description: "PR comments URL (GitHub or Gitea)"
    required: false

  pr_comment_id:
    description: "Existing PR comment ID if updating"
    required: false

  pr_comment_uri:
    description: "PR comment URI if updating"
    required: false

  git_token:
    description: "GitHub/Gitea token for authentication"
    required: true

runs:
  using: "composite"
  steps:
    - name: Run Terraform/OpenTofu PR Commenter
      shell: bash
      env:
        # Inputs
        COMMENTER_TYPE: ${{ inputs.commenter_type }}
        COMMENTER_INPUT: ${{ inputs.commenter_input }}
        COMMENTER_EXITCODE: ${{ inputs.commenter_exitcode }}
        WORKING_DIR: ${{ inputs.working_directory }}

        # PR & auth
        PR_COMMENTS_URL: ${{ inputs.pr_comments_url }}
        PR_COMMENT_ID: ${{ inputs.pr_comment_id }}
        PR_COMMENT_URI: ${{ inputs.pr_comment_uri }}
        GITHUB_TOKEN: ${{ inputs.git_token }}
      run: bash "${GITHUB_ACTION_PATH}/tf-pr-comment.sh"