name: Preview Nightly

on:
  schedule:
    # GitHub Actions schedule uses UTC. 16:00 UTC = 北京时间次日 00:00
    - cron: "0 16 * * *"
  workflow_dispatch:

permissions:
  contents: write

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      should_build: ${{ steps.meta.outputs.should_build }}
      preview_version: ${{ steps.meta.outputs.preview_version }}
    steps:
      - name: Check out git repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Install Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: "npm"

      - name: Decide whether to build and generate preview version
        id: meta
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        shell: bash
        run: |
          set -euo pipefail

          git fetch origin main --depth=1
          COMMITS_24H="$(git rev-list --count --since='24 hours ago' origin/main)"

          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            SHOULD_BUILD=true
          elif [ "$COMMITS_24H" -gt 0 ]; then
            SHOULD_BUILD=true
          else
            SHOULD_BUILD=false
          fi

          BASE_VERSION="$(node -p "require('./package.json').version.split('-')[0]")"
          YEAR_2="$(TZ=Asia/Shanghai date +%y)"
          EXISTING_COUNT="$(gh api --paginate "repos/${GITHUB_REPOSITORY}/releases" --jq "[.[].tag_name | select(test(\"^v${BASE_VERSION}-preview[.]${YEAR_2}[.][0-9]+$\"))] | length")"
          NEXT_COUNT=$((EXISTING_COUNT + 1))
          PREVIEW_VERSION="${BASE_VERSION}-preview.${YEAR_2}.${NEXT_COUNT}"

          echo "should_build=$SHOULD_BUILD" >> "$GITHUB_OUTPUT"
          echo "preview_version=$PREVIEW_VERSION" >> "$GITHUB_OUTPUT"
          echo "Preview version: $PREVIEW_VERSION (commits in last 24h on main: $COMMITS_24H)"

  preview-mac-arm64:
    needs: prepare
    if: needs.prepare.outputs.should_build == 'true'
    runs-on: macos-14
    steps:
      - name: Check out git repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Install Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: "npm"

      - name: Install Dependencies
        run: npm install

      - name: Set preview version
        shell: bash
        run: npm version "${{ needs.prepare.outputs.preview_version }}" --no-git-tag-version --allow-same-version

      - name: Build Frontend & Type Check
        run: |
          npx tsc
          npx vite build

      - name: Package and Publish macOS arm64 preview
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CSC_IDENTITY_AUTO_DISCOVERY: "false"
        run: |
          npx electron-builder --mac dmg --arm64 --publish always '--config.publish.releaseType=prerelease' '--config.publish.channel=preview'

  preview-linux:
    needs: prepare
    if: needs.prepare.outputs.should_build == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Check out git repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Install Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: "npm"

      - name: Install Dependencies
        run: npm install

      - name: Set preview version
        shell: bash
        run: npm version "${{ needs.prepare.outputs.preview_version }}" --no-git-tag-version --allow-same-version

      - name: Build Frontend & Type Check
        run: |
          npx tsc
          npx vite build

      - name: Package and Publish Linux preview
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          npx electron-builder --linux --publish always '--config.publish.releaseType=prerelease' '--config.publish.channel=preview'

  preview-win-x64:
    needs: prepare
    if: needs.prepare.outputs.should_build == 'true'
    runs-on: windows-latest
    steps:
      - name: Check out git repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Install Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: "npm"

      - name: Install Dependencies
        run: npm install

      - name: Set preview version
        shell: bash
        run: npm version "${{ needs.prepare.outputs.preview_version }}" --no-git-tag-version --allow-same-version

      - name: Build Frontend & Type Check
        run: |
          npx tsc
          npx vite build

      - name: Package and Publish Windows x64 preview
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          npx electron-builder --win nsis --x64 --publish always '--config.publish.releaseType=prerelease' '--config.publish.channel=preview' '--config.artifactName=${productName}-${version}-x64-Setup.${ext}'

  preview-win-arm64:
    needs: prepare
    if: needs.prepare.outputs.should_build == 'true'
    runs-on: windows-latest
    steps:
      - name: Check out git repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Install Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: "npm"

      - name: Install Dependencies
        run: npm install

      - name: Set preview version
        shell: bash
        run: npm version "${{ needs.prepare.outputs.preview_version }}" --no-git-tag-version --allow-same-version

      - name: Build Frontend & Type Check
        run: |
          npx tsc
          npx vite build

      - name: Package and Publish Windows arm64 preview
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          npx electron-builder --win nsis --arm64 --publish always '--config.publish.releaseType=prerelease' '--config.publish.channel=preview-arm64' '--config.artifactName=${productName}-${version}-arm64-Setup.${ext}'