name: Auto-PR Check/Creation and TF/OpenTofu Plan

on:
  workflow_dispatch:
  push:
    branches-ignore:
      - "main"
      - "renovate/**"
    paths:
      - "cloudflare/**"

env:
  OPENTOFU_VERSION: "1.10.6"
  HC_VAULT_VERSION: "1.20.4"
  TEA_VERSION: "0.10.1"

jobs:
  check-and-create-pr:
    name: Check and Create PR
    outputs:
      pr_number: ${{ steps.pr-check-create.outputs.pr_number }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Setting Vault Token
        run: |
          echo "VAULT_TOKEN=${{ secrets.VAULT_GITEA_TOKEN }}" >> $GITHUB_ENV

      - name: Gotify Notification - Start
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: ${{ secrets.RUNNER_GOTIFY_URL }}
          gotify_app_token: ${{ secrets.RUNNER_GOTIFY_TOKEN }}
          notification_title: "GITEA: PR Check @ Rinoa"
          notification_message: "Checking for existing PR... 🔍"

      - name: PR Check/Creation
        id: pr-check-create
        uses: https://git.trez.wtf/Trez/gitea-auto-pr@main
        with:
          url: ${{ secrets.TREZ_GITEA_URL }}
          token: ${{ secrets.BOT_GITEA_TOKEN }}
          pr-label: "docker-compose,manual"
          assignee: ${{ github.actor }}

      - name: Gotify Notification - Done
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: ${{ secrets.RUNNER_GOTIFY_URL }}
          gotify_app_token: ${{ secrets.RUNNER_GOTIFY_TOKEN }}
          notification_title: "GITEA: PR Check @ Rinoa"
          notification_message: "PR Check done 🎟️"

  plan-approval:
    name: OpenTofu Plan
    needs: check-and-create-pr
    runs-on: ubuntu-latest
    env:
      VAULT_TOKEN: ${{ secrets.VAULT_GITEA_TOKEN }}
    outputs:
      tofu-cloudflare-plan: ${{ steps.tofu_plan.outputs.plan-output }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup OpenTofu
        uses: opentofu/setup-opentofu@v1.0.6
        with:
          version: ${{ env.OPENTOFU_VERSION }}
          tofu_wrapper: true

      - name: Generate .env from Hashicorp Vault
        uses: https://git.trez.wtf/Trez/hc-vault-env@main
        with:
          HC_VAULT_VERSION: ${{ env.HC_VAULT_VERSION }}
          HC_VAULT_ADDR: ${{ secrets.TREZ_VAULT_ADDR }}
          HC_VAULT_AUTH: token
          HC_VAULT_TOKEN: ${{ env.VAULT_TOKEN }}
          HC_VAULT_SECRETS_PATH: tar-valon-terraform/env
          ENV_FILE_NAME: cloudflare/.env

      - name: Export env vars from Vault .env
        id: env-vault-vars
        run: |
          echo "🧩 Cleaning and loading cloudflare/.env into GitHub Actions environment..."
          sed -i 's/[\"'\'']//g' cloudflare/.env

          set -a
          source cloudflare/.env
          set +a

          while IFS='=' read -r key value; do
            if [[ -n "$key" ]]; then
              echo "$key=$value" >> $GITHUB_ENV
            fi
          done < cloudflare/.env

          repo_name=$(echo "${{ github.repository }}" | awk -F"/" '{print $2}')
          echo "repo_name=$repo_name" >> "$GITHUB_OUTPUT"

      - name: Run tofu init
        uses: dnogu/tofu-init@v1
        with:
          working-directory: .
          chdir: cloudflare

      - name: Tofu Plan
        id: tofu_plan
        continue-on-error: true
        uses: dnogu/tofu-plan@v1
        with:
          working-directory: .
          chdir: cloudflare
          out: cloudflare.tfplan

      - name: Save plan output to file (with collapsible Markdown)
        run: |
          mkdir -p tmp
          {
            echo "## 🧩 OpenTofu Plan — Cloudflare"
            echo "**Branch:** \`${{ github.ref_name }}\`"
            echo "**Exit Code:** \`${{ steps.tofu_plan.outputs.exitcode }}\`"
            echo "**Working Directory:** \`cloudflare\`"
            echo ""
            echo "<details><summary>🪶 Click to expand full plan output</summary>"
            echo ""
            echo '```hcl'
            cat <<< "${{ steps.tofu_plan.outputs.plan-output }}"
            echo '```'
            echo ""
            echo "</details>"
            echo ""
            echo "*(This plan was automatically generated by the workflow.)*"
          } > tmp/tofu-plan.md
          echo "Plan file saved: tmp/tofu-plan.md ($(wc -c < tmp/tofu-plan.md) bytes)"

      - name: Comment full Tofu Plan on PR (safe)
        uses: https://git.trez.wtf/Trez.One/git-auto-comment@main
        with:
          platform: gitea
          api_url: https://git.trez.wtf/api/v1
          token: ${{ secrets.BOT_GITEA_TOKEN }}
          pr_index: ${{ needs.check-and-create-pr.outputs.pr_number }}
          repo_owner: ${{ github.repository_owner }}
          repo_name: ${{ steps.env-vault-vars.outputs.repo_name }}
          comment_template_path: tmp/tofu-plan.md

      - name: Wait for manual approval
        uses: trstringer/manual-approval@v1
        with:
          secret: ${{ secrets.BOT_GITEA_TOKEN }}
          approvers: WTF
          minimum-approvals: 1
          issue-title: "Tofu Plan for ${{ needs.check-and-create-pr.outputs.pr_number }}"
          issue-body: "Please approve or deny the deployment of the below Tofu plan"
          issue-body-file-path: cloudflare.tfplan
          exclude-workflow-initiator-as-approver: false
          fail-on-denial: true

  # apply:
  #   name: Apply Tofu Plan
  #   needs: plan-approval
  #   runs-on: ubuntu-latest
  #   if: ${{ needs.plan-approval.result == 'success' }}
  #   env:
  #     VAULT_TOKEN: ${{ secrets.VAULT_GITEA_TOKEN }}
  #   steps:
  #     - name: Checkout
  #       uses: actions/checkout@v4
  #
  #     - name: Setup OpenTofu
  #       uses: opentofu/setup-opentofu@v1.0.6
  #       with:
  #         version: ${{ env.OPENTOFU_VERSION }}
  #         tofu_wrapper: true
  #
  #     - name: Export env from Vault
  #       run: |
  #         set -a
  #         source cloudflare/.env
  #         set +a
  #
  #     - name: Run Tofu Apply
  #       uses: dnogu/tofu-apply@v1
  #       with:
  #         working-directory: .
  #         chdir: cloudflare
  #         plan: cloudflare.tfplan