# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: "CF: Deploy Previous Version Docs"

on:
  workflow_dispatch:
    inputs:
      version_tag:
        description: 'The old version tag to build docs for (e.g., v0.15.0)'
        required: true
        type: string

jobs:
  build_and_deploy:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout main branch (for latest templates and theme)
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
        with:
          ref: 'main'
          submodules: 'recursive'
          fetch-depth: 0
          persist-credentials: false

      - name: Checkout old content from tag into a temporary directory
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
        with:
          ref: ${{ github.event.inputs.version_tag }}
          path: 'old_version_source'
          sparse-checkout: |
            docs
          persist-credentials: false

      - name: Replace content with old version
        run: |
          # Remove the current content directory from the main branch checkout
          rm -rf docs/
          # Move the old content directory into place
          mv ./old_version_source/docs docs

      - name: Setup Hugo
        uses: peaceiris/actions-hugo@2752ce1d29631191ea3f27c23495fa06139a5b78 # v3
        with:
          hugo-version: "0.163.3"
          extended: true

      - name: Setup Node
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: "22"

      - name: Install Dependencies
        run: npm ci
        working-directory: .hugo

      - name: Build Hugo Site for Archived Version
        run: |
          hugo --minify --config hugo.cloudflare.toml
          rm -f public/releases.releases
        working-directory: .hugo
        env:
          HUGO_BASEURL: https://mcp-toolbox.dev/${{ github.event.inputs.version_tag }}/
          HUGO_RELATIVEURLS: false
          HUGO_PARAMS_VERSION: ${{ github.event.inputs.version_tag }}

      - name: Build Pagefind Index (Archived Version)
        run: npx pagefind --site public
        working-directory: .hugo

      - name: Deploy to cloudflare-pages
        uses: peaceiris/actions-gh-pages@84c30a85c19949d7eee79c4ff27748b70285e453 # v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: .hugo/public
          publish_branch: cloudflare-pages
          destination_dir: ./${{ github.event.inputs.version_tag }}
          keep_files: true
          allow_empty_commit: true
          commit_message: "docs(backport): deploy docs for ${{ github.event.inputs.version_tag }}"

      - name: Clean Build Directory
        run: rm -rf .hugo/public

      - name: Build Hugo Site
        run: hugo --minify --config hugo.cloudflare.toml
        working-directory: .hugo
        env:
          HUGO_BASEURL: https://mcp-toolbox.dev/
          HUGO_RELATIVEURLS: false
          HUGO_PARAMS_VERSION: ${{ github.event.inputs.version_tag }}

      - name: Build Pagefind Index (Root)
        run: npx pagefind --site public
        working-directory: .hugo

      - name: Deploy to root
        uses: peaceiris/actions-gh-pages@84c30a85c19949d7eee79c4ff27748b70285e453 # v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: .hugo/public
          publish_branch: cloudflare-pages
          keep_files: true
          allow_empty_commit: true
          commit_message: "deploy: docs to root for ${{ github.event.inputs.version_tag }}"