name: Update TFState
description: "Update the terraform state artifact."

inputs:
  name:
    description: "The name of the artifact that contains the tfstate."
    required: true
  runID:
    description: "The ID of your current run (github.run_id)."
    required: true
  encryptionSecret:
    description: "The encryption secret for the artifacts."
    required: true
  skipDeletion:
    description: "Don't try to delete the artifact before updating. You should only use this if you know that no artifact exists."
    default: "false"
    required: false

runs:
  using: "composite"
  steps:
    - name: Check if tfstate should be deleted
      if: always() && inputs.skipDeletion == 'false'
      shell: bash
      run: |
        if [[ ! -d constellation-terraform ]] && [[ ! -d constellation-iam-terraform ]]; then
          echo "DELETE_TF_STATE=true" >> "$GITHUB_ENV"
        else
          echo "DELETE_TF_STATE=false" >> "$GITHUB_ENV"
        fi

    - name: Delete tfstate artifact if necessary
      if: always() && env.DELETE_TF_STATE == 'true' && inputs.skipDeletion == 'false'
      uses: ./.github/actions/artifact_delete
      with:
        name: ${{ inputs.name }}
        workflowID: ${{ inputs.runID }}

    - name: Prepare terraform state folders
      if: always()
      shell: bash
      run: |
        rm -rf to-zip/*
        mkdir -p to-zip

        to_upload=""
        if [[ -d constellation-terraform ]]; then
          cp -r constellation-terraform to-zip
          rm -f to-zip/constellation-terraform/plan.zip
          rm -rf to-zip/constellation-terraform/.terraform
          to_upload+="to-zip/constellation-terraform"
        fi
        if [[ -d constellation-iam-terraform ]]; then
          cp -r constellation-iam-terraform to-zip
          rm -rf to-zip/constellation-iam-terraform/.terraform
          to_upload+=" to-zip/constellation-iam-terraform"
        fi
        echo "TO_UPLOAD=$to_upload" >> "$GITHUB_ENV"

    - name: Update tfstate
      if: always() && env.TO_UPLOAD != ''
      uses: ./.github/actions/artifact_upload
      with:
        name: ${{ inputs.name }}
        path: >
          ${{ env.TO_UPLOAD }}
        encryptionSecret: ${{ inputs.encryptionSecret }}
        overwrite: true