# SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
#
# SPDX-License-Identifier: AGPL-3.0-only

name: Frontend / Deploy PR to Netlify

on:
  pull_request:
    branches: [ develop ]
    types:
      - labeled
      - opened
      - synchronize
      - reopened
      - ready_for_review
  pull_request_target:
    branches: [ develop ]
    types:
      - labeled
      - opened
      - synchronize
      - reopened
      - ready_for_review

permissions:
  contents: read
  deployments: write

env:
  NETLIFY_VERSION: 12.0.11
  NODE_VERSION: 18

defaults:
  run:
    working-directory: frontend

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: true

jobs:
  changes:
    name: Check for frontend changes
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    outputs:
      changed: ${{ steps.changed.outputs.files }}
    steps:
      - uses: actions/checkout@v3
      - name: Check for frontend file changes
        uses: dorny/paths-filter@v2
        id: changed
        with:
          filters: |
            files:
              - 'frontend/**'
              - '.github/**'
              - '.yarn/**'

  deploy:
    needs: changes
    if: "github.event.pull_request.draft == false || contains( github.event.pull_request.labels.*.name, 'ci: force deployment') && (github.event_name == 'pull_request_target') == github.event.pull_request.head.repo.fork"
    runs-on: ubuntu-latest
    name: Deploys to netlify
    env:
      DEPLOY_URL: "https://${{ github.event.number }}--hedgedoc-ui-test.netlify.app/"
    steps:
      - name: Checkout repository
        if: needs.changes.outputs.changed == 'true'
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Get yarn cache directory path
        if: needs.changes.outputs.changed == 'true'
        id: yarn-cache-dir-path
        run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT

      - name: Cache yarn cache
        if: needs.changes.outputs.changed == 'true'
        uses: actions/cache@v3
        id: yarn-cache
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-${{ env.NODE_VERSION }}-yarn-${{ hashFiles('frontend/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-${{ env.NODE_VERSION }}

      - name: Set up NodeJS
        if: needs.changes.outputs.changed == 'true'
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache-dependency-path: frontend/yarn.lock
          cache: 'yarn'

      - name: Patch intro.md to include netlify banner.
        if: needs.changes.outputs.changed == 'true'
        run: cp netlify/intro.md public/public/intro.md

      - name: Patch motd.md to include privacy policy.
        if: needs.changes.outputs.changed == 'true'
        run: cp netlify/motd.md public/public/motd.md

      - name: Patch version.json to include git hash
        if: needs.changes.outputs.changed == 'true'
        run: jq ".version = \"0.0.0+${GITHUB_SHA:0:8}\"" src/version.json > src/_version.json && mv src/_version.json src/version.json

      - name: Patch base URL
        if: needs.changes.outputs.changed == 'true'
        run: echo "HD_EDITOR_BASE_URL=\"${{ env.DEPLOY_URL }}\"" >> .env.production

      - name: Install dependencies
        if: needs.changes.outputs.changed == 'true'
        run: yarn install --immutable

      - name: Build app
        if: needs.changes.outputs.changed == 'true'
        run: yarn build:mock

      - name: Remove Next.js cache to avoid it being deployed
        if: needs.changes.outputs.changed == 'true'
        run: rm -r .next/cache

      - name: Mark GitHub deployment as started
        if: needs.changes.outputs.changed == 'true'
        uses: bobheadxi/deployments@v1.3.0
        id: github-deployment
        with:
          step: start
          token: ${{ secrets.GITHUB_TOKEN }}
          env: "PR #${{ github.event.number }}"
          override: true
          ref: ${{ github.head_ref }}

      - name: Install netlify CLI
        if: needs.changes.outputs.changed == 'true'
        run: "npm install -g netlify-cli@${{ env.NETLIFY_VERSION }}"

      - name: Run netlify CLI
        if: needs.changes.outputs.changed == 'true'
        env:
          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
        run: "netlify deploy --build --context deploy-preview --alias \"${{ github.event.number }}\" --json --message \"PR #${{ github.event.number }}\""

      - name: Mark GitHub deployment as finished
        if: needs.changes.outputs.changed == 'true'
        uses: bobheadxi/deployments@v1.3.0
        with:
          step: finish
          token: ${{ secrets.GITHUB_TOKEN }}
          env_url: ${{ env.DEPLOY_URL }}
          env: ${{ steps.github-deployment.outputs.env }}
          status: ${{ job.status }}
          deployment_id: ${{ steps.github-deployment.outputs.deployment_id }}
          override: true