name: PR Playground Preview (Built Artifact)

on:
  pull_request:
    types: [opened, synchronize, reopened, edited]

jobs:
  build:
    name: Build Plugin Artifact
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install dependencies
        run: npm install

      - name: Build plugin
        run: |
          npm run build
          cd dist
          zip -r ../plugin.zip .
          cd ..

      - name: Upload build artifact for next job
        uses: actions/upload-artifact@v4
        with:
          name: built-plugin-${{ github.event.pull_request.number }}-${{ github.sha }}
          path: plugin.zip
          retention-days: 1

  expose-build-artifact-on-public-url:
    name: Expose Built Artifact on a Public GitHub Release URL
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: write
    outputs:
      artifact-url: ${{ steps.expose.outputs.artifact-url }}
      artifact-name: ${{ steps.expose.outputs.artifact-name }}
    steps:
      - name: Expose built artifact
        id: expose
        uses: WordPress/action-wp-playground-pr-preview/.github/actions/expose-artifact-on-public-url@v2
        with:
          artifact-name: built-plugin-${{ github.event.pull_request.number }}-${{ github.sha }}
          pr-number: ${{ github.event.pull_request.number }}
          commit-sha: ${{ github.sha }}
          # Number of artifacts to keep for this PR (0 = unlimited)
          # Change this value to keep more/fewer artifacts per PR
          artifacts-to-keep: '2'
          release-tag: 'ci-artifacts'

  create-blueprint:
    name: Create Playground Blueprint
    needs: expose-build-artifact-on-public-url
    runs-on: ubuntu-latest
    outputs:
      blueprint: ${{ steps.blueprint.outputs.result }}
    steps:
      - name: Create blueprint with artifact URL
        id: blueprint
        uses: actions/github-script@v7
        with:
          script: |
            const blueprint = {
              "$schema": "https://playground.wordpress.net/blueprint-schema.json",
              "preferredVersions": {
                "php": "8.2",
                "wp": "latest"
              },
              "steps": [
                {
                  "step": "installPlugin",
                  "pluginData": {
                    "resource": "url",
                    "url": "${{ needs.expose-build-artifact-on-public-url.outputs.artifact-url }}"
                  },
                  "options": {
                    "activate": true
                  }
                }
              ]
            };
            return JSON.stringify(blueprint);
          result-encoding: string

  playground-preview:
    name: Post Playground Preview Button
    needs: create-blueprint
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
      issues: write
    steps:
      - name: Post Playground Preview Button
        uses: WordPress/action-wp-playground-pr-preview@v2
        with:
          mode: append-to-description
          blueprint: ${{ needs.create-blueprint.outputs.blueprint }}
          github-token: ${{ secrets.GITHUB_TOKEN }}