name: Build PR Artifacts

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

env:
  NODE_VERSION: "22.x"

jobs:
  check-permissions:
    if: github.event.pull_request.draft == false
    name: Check if user has write access
    runs-on: ubuntu-latest
    outputs:
      has-write-access: ${{ steps.check.outputs.require-result }}
    steps:
      - name: Check user permission
        id: check
        uses: actions-cool/check-user-permission@v2
        with:
          require: write
          username: ${{ github.event.pull_request.user.login }}

  build:
    name: Build ${{ matrix.os }}
    needs: check-permissions
    if: needs.check-permissions.outputs.has-write-access == 'true'
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [macos-latest, ubuntu-latest, windows-latest]

    steps:
      - uses: actions/checkout@v5

      - name: Install pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 10
          run_install: false

      - name: Setup NodeJS
        if: startsWith(matrix.os, 'macOS') != true
        uses: actions/setup-node@v5
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'pnpm'

      - name: Setup NodeJS for macOS
        if: startsWith(matrix.os, 'macOS')
        uses: actions/setup-node@v5
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build on macOS
        if: startsWith(matrix.os, 'macOS')
        run: |
          pnpm dist:mac
          pnpm dist:mac:arm64

      - name: Install Linux dependencies
        if: startsWith(matrix.os, 'ubuntu')
        run: |
          sudo snap install snapcraft --classic
          sudo apt update
          sudo apt install -y flatpak flatpak-builder
          sudo flatpak remote-add --if-not-exists --system flathub https://flathub.org/repo/flathub.flatpakrepo
          sudo flatpak install -y flathub org.freedesktop.Platform/x86_64/24.08
          sudo flatpak install -y flathub org.freedesktop.Sdk/x86_64/24.08
          sudo flatpak install -y flathub org.electronjs.Electron2.BaseApp/x86_64/24.08

      - name: Build on Linux
        if: startsWith(matrix.os, 'ubuntu')
        run: |
          pnpm dist:linux
          pnpm dist:linux:deb-arm64
          pnpm dist:linux:rpm-arm64

      - name: Build on Windows
        if: startsWith(matrix.os, 'windows')
        run: |
          pnpm dist:win

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: build-artifacts-${{ matrix.os }}
          path: pack/
          retention-days: 7
          if-no-files-found: error

  comment:
    name: Comment on PR
    needs: [check-permissions, build]
    if: always() && needs.check-permissions.outputs.has-write-access == 'true'
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - name: Create comment
        uses: actions/github-script@v7
        with:
          script: |
            const runId = context.runId;
            const runUrl = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${runId}`;

            const buildResult = '${{ needs.build.result }}';

            let comment;
            if (buildResult === 'success') {
              comment = `## 🚀 Build Artifacts Ready!

            The builds have completed successfully. You can download the artifacts from the workflow run:

            **[📦 Download Artifacts](${runUrl})**

            ### Available builds:
            - **Windows**: \`build-artifacts-windows-latest\`
            - **macOS**: \`build-artifacts-macos-latest\`
            - **Linux**: \`build-artifacts-ubuntu-latest\`

            *Note: Artifacts are available for 7 days.*`;
            } else if (buildResult === 'failure') {
              comment = `## ❌ Build Failed

            Unfortunately, one or more builds failed. Please check the workflow run for details:

            **[View Workflow Run](${runUrl})**`;
            } else {
              comment = `## ⚠️ Build Status: ${buildResult}

            The build process completed with status: **${buildResult}**

            **[View Workflow Run](${runUrl})**`;
            }

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });