name: Update Release Notes on Release Event

env:
  QCOW2_IMG: ${{ vars.REGISTRY }}/${{ vars.REPO }}/vjailbreak

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      logLevel:
        description: 'Log level'
        required: true
        default: 'info'
        type: choice
        options:
          - info
          - warning
          - debug
      environment:
        description: 'Environment to run in'
        type: environment
        required: true
      branch:
        description: 'Branch to use'
        required: true
        default: 'gh-pages'
      release_tag:
        description: 'Manually run for a specific release tag'
        required: true
        type: text

jobs:
  check-and-wait-for-artifacts:
    runs-on: ubuntu-latest
    outputs:
      tag: ${{ steps.get_tag.outputs.tag }}
    steps:
      - name: Set Tag for Release Event
        if: github.event_name == 'release'
        id: set_release_tag
        run: echo "tag=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT

      - name: Set Tag for Manual Trigger
        if: github.event_name == 'workflow_dispatch'
        id: set_manual_tag
        run: echo "tag=${{ github.event.inputs.release_tag }}" >> $GITHUB_OUTPUT

      - name: Get Tag
        id: get_tag
        run: echo "tag=${{ steps.set_release_tag.outputs.tag || steps.set_manual_tag.outputs.tag }}" >> $GITHUB_OUTPUT

      - name: Install Dependencies
        run: |
          curl -LO https://github.com/oras-project/oras/releases/download/v1.2.1/oras_1.2.1_linux_amd64.tar.gz
          sudo tar -C /usr/local/bin/ -xzvf oras_1.2.1_linux_amd64.tar.gz oras

      - name: Wait and check for QCOW image (Max 45 mins)
        run: |
          RELEASE_TAG="${{ steps.get_tag.outputs.tag }}"
          QCOW_IMAGE_URL="${{ env.QCOW2_IMG }}:${RELEASE_TAG}"

          echo "Waiting for artifact to be available at $QCOW_IMAGE_URL"

          for i in $(seq 1 135); do
            if oras manifest fetch "$QCOW_IMAGE_URL" &>/dev/null; then
              echo ""
              echo "Success! Artifact found."
              exit 0
            fi

            if [[ $i -eq 135 ]]; then
              break
            fi

            sleep 20
          done

          echo ""
          echo "Artifact not found after 45 minutes. Failing workflow."
          exit 1

  update-release-notes:
    needs: check-and-wait-for-artifacts
    permissions:
      contents: write
      pull-requests: write
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: gh-pages
          fetch-depth: 0

      - name: Install GitHub CLI and jq
        run: |
          sudo apt-get update
          sudo apt-get install -y gh jq

      - name: Set Tag from Previous Event
        id: set_tag
        run: echo "tag=${{ needs.check-and-wait-for-artifacts.outputs.tag }}" >> $GITHUB_OUTPUT

      - name: Generate Notes for New Release
        id: process_release
        run: |
          RELEASE_TAG="${{ steps.set_tag.outputs.tag }}"
          
          echo ">>> Processing new release: $RELEASE_TAG"

          RELEASE_NOTES=$(gh release view "$RELEASE_TAG" --json body --template '{{.body}}' || echo "")
          if [ -z "$RELEASE_NOTES" ]; then
            echo "No release notes found for $RELEASE_TAG, skipping."
            echo "processed_release=false" >> $GITHUB_OUTPUT
            exit 0
          fi

          # find the previous tag
          ALL_TAGS_SORTED=$(git tag --sort=version:refname)
          LAST_TAG=$(echo "$ALL_TAGS_SORTED" | grep -B 1 -x "$RELEASE_TAG" | head -n 1)

          if [[ -n "$LAST_TAG" && "$LAST_TAG" != "$RELEASE_TAG" ]]; then
            echo "Found previous version: $LAST_TAG. Updating version numbers in docs..."
            sed -i "s|$LAST_TAG|$RELEASE_TAG|g" docs/src/content/docs/introduction/getting_started.mdx
            sed -i "s|$LAST_TAG|$RELEASE_TAG|g" docs/src/components/githubRelease.astro
            sed -i "s|$LAST_TAG|$RELEASE_TAG|g" docs/src/content/docs/index.mdx
          fi

          # Create the new release note file
          FILE_NAME="docs/src/content/docs/release_docs/$RELEASE_TAG.md"
          mkdir -p "$(dirname "$FILE_NAME")"
          {
            echo "---"
            echo "title:  $RELEASE_TAG"
            echo "description: Release Notes for $RELEASE_TAG"
            echo "---"
            echo ""
            echo "$RELEASE_NOTES"
          } > "$FILE_NAME"
          
          echo "processed_release=true" >> $GITHUB_OUTPUT
          echo "release_tag=$RELEASE_TAG" >> $GITHUB_OUTPUT
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Archive and Delete Old Release Notes
        if: steps.process_release.outputs.processed_release == 'true'
        uses: platform9/vjailbreak/.github/actions/archive-old-release-notes@main

      - name: Create PR with changes
        if: steps.process_release.outputs.processed_release == 'true'
        uses: platform9/vjailbreak/.github/actions/create-docs-pr@main
        with:
          branch-prefix: update-release-docs
          commit-message: "docs: Update for release ${{ steps.process_release.outputs.release_tag }}"
          pr-title: "docs: Update for release ${{ steps.process_release.outputs.release_tag }}"
          pr-body: "This PR was automatically generated."
          retry: 'false'
          github-token: ${{ secrets.GITHUB_TOKEN }}