---
name: tofu plan k8s-wheatley
on:
  workflow_dispatch:
  workflow_call:
  pull_request:
    branches:
      - main
    paths:
      - pve01.wheatley.in/k8s-wheatley/**
      - .forgejo/workflows/tofu-plan-k8s-wheatley.yaml

jobs:
  tofu-plan-k8s-wheatley:
    runs-on: docker
    defaults:
      run:
        working-directory: pve01.wheatley.in/k8s-wheatley
    permissions:
      pull-requests: write
    env:
      AWS_S3_ENDPOINT: ${{ secrets.AWS_S3_ENDPOINT }}
      AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      TF_VAR_proxmox_endpoint: ${{ secrets.PROXMOX_ENDPOINT }}
      TF_VAR_proxmox_api_token: ${{ secrets.PROXMOX_API_TOKEN }}
      PR_NUMBER: ${{ forge.event.pull_request.number }}
    steps:
      - uses: https://github.com/actions/checkout@v4
      - uses: https://github.com/opentofu/setup-opentofu@v1
        with:
          tofu_version: 1.11.5

      - name: Install deps
        run: |
          apt update
          apt install -y jq

      - name: OpenTofu Init
        id: init
        run: tofu init --upgrade

      - name: OpenTofu Format
        id: fmt
        run: tofu fmt -check

      - name: OpenTofu Validate
        id: validate
        run: tofu validate -no-color

      - name: OpenTofu Plan
        id: plan
        run: tofu plan -no-color
        continue-on-error: true

      - name: Fetch existing comments
        id: fetch
        run: |
          set -euxo pipefail

          echo "PR_NUMBER: $PR_NUMBER"
          echo "Forgejo URL: ${{ forge.server_url }}"
          echo "Repo: ${{ forge.repository }}"

          url="${{ forge.server_url }}/api/v1/repos/${{ forge.repository }}/issues/$PR_NUMBER/comments"

          echo "Requesting: $url"

          response=$(curl -sS -w "\nHTTP_STATUS:%{http_code}\n" \
            -H "Authorization: token ${{ secrets.FORGEJO_TOKEN }}" \
            "$url")

          http_status=$(echo "$response" | sed -n 's/HTTP_STATUS://p')
          body=$(echo "$response" | sed '/HTTP_STATUS:/d')

          echo "HTTP status: $http_status"

          if [ "$http_status" != "200" ]; then
            echo "Forgejo API call failed"
            exit 1
          fi

          echo "Parsing JSON…"

          echo "$body" | jq .

          comment_id=$(echo "$body" | jq -r \
            '.[] | select(.body | test("OpenTofu Format and Style")) | .id' | head -n 1)

          echo "Matched comment_id: '$comment_id'"

          if [ -z "$comment_id" ] || [ "$comment_id" = "null" ]; then
            echo "No existing comment found matching marker"
            exit 1
          fi

          echo "Found comment id: $comment_id"
          echo "comment_id=$comment_id" >> "$GITHUB_OUTPUT"

      - name: Upsert comment
        id: comment
        env:
          COMMENT_BODY: |
            `#### OpenTofu Format and Style 🖌\`${{ steps.fmt.outcome }}\`
            #### OpenTofu Initialization ⚙️\`${{ steps.init.outcome }}\`
            #### OpenTofu Validation 🤖\`${{ steps.validate.outcome }}\`
            <details><summary>Validation Output</summary>

            \`\`\`\n
            ${{ steps.validate.outputs.stdout }}
            \`\`\`

            </details>

            #### OpenTofu Plan 📖\`${{ steps.plan.outcome }}\`

            <details><summary>Show Plan</summary>

            \`\`\`\n
            ${process.env.PLAN}
            \`\`\`

            </details>
        run: |
          if [ -n "${{ steps.fetch.outputs.comment_id }}" ] && [ "${{ steps.fetch.outputs.comment_id }}" != "null" ]; then
            curl -s -X PATCH \
              -H "Authorization: token ${{ secrets.FORGEJO_TOKEN }}" \
              -H "Content-Type: application/json" \
              "${{ forge.server_url }}/api/v1/repos/${{ forge.repository }}/issues/comments/${{ steps.fetch.outputs.comment_id }}" \
              -d "{\"body\":\"$COMMENT_BODY\"}"
          else
            curl -s -X POST \
              -H "Authorization: token ${{ secrets.FORGEJO_TOKEN }}" \
              -H "Content-Type: application/json" \
              "${{ forge.server_url }}/api/v1/repos/${{ forge.repository }}/issues/$PR_NUMBER/comments" \
              -d "{\"body\":\"$COMMENT_BODY\"}"
          fi