name: Build GUI Clients

on:
  workflow_dispatch:
  push:
    branches: [ "main" ]
    paths:
      - "ostp-gui/**"
      - "ostp-flutter/**"

permissions:
  contents: write

jobs:
  build-windows-gui:
    name: Build Windows Client (Tauri)
    runs-on: windows-latest
    steps:
      - uses: actions/checkout@v4

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

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-pc-windows-msvc

      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: cargo-windows-gui-${{ hashFiles('**/Cargo.lock') }}

      - name: Download wintun and tun2socks
        shell: pwsh
        run: |
          $ProgressPreference = 'SilentlyContinue'
          
          # Download tun2socks
          New-Item -ItemType Directory -Force -Path "t2s_tmp"
          Invoke-WebRequest -Uri "https://github.com/xjasonlyu/tun2socks/releases/download/v2.6.0/tun2socks-windows-amd64.zip" -OutFile "t2s_tmp/t2s.zip"
          Expand-Archive "t2s_tmp/t2s.zip" -DestinationPath "t2s_tmp/ext" -Force
          Get-ChildItem "t2s_tmp/ext" -Filter "*.exe" -Recurse | Select-Object -First 1 | Copy-Item -Destination "t2s_tmp/tun2socks-windows-amd64.exe" -Force
          
          # Download wintun
          New-Item -ItemType Directory -Force -Path "target/release"
          Invoke-WebRequest -Uri "https://www.wintun.net/builds/wintun-0.14.1.zip" -OutFile "target/release/wt.zip"
          Expand-Archive "target/release/wt.zip" -DestinationPath "target/release/wt_tmp" -Force
          Get-ChildItem "target/release/wt_tmp" -Filter "wintun.dll" -Recurse | Where-Object { $_.FullName -match 'bin[\\/]amd64[\\/]' } | Copy-Item -Destination "target/release/wintun.dll" -Force

      - name: Build Tauri App
        working-directory: ostp-gui
        run: |
          npm install
          npm run build:installer

      - name: Upload Windows Installer
        uses: actions/upload-artifact@v4
        with:
          name: ostp-windows-installer
          path: ostp-gui/src-tauri/target/release/bundle/nsis/*.exe

  build-android:
    name: Build Android Client (Flutter)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Setup Java
        uses: actions/setup-java@v3
        with:
          distribution: 'zulu'
          java-version: '17'

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: '3.19.0'
          channel: 'stable'

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: aarch64-linux-android

      - name: Setup Android NDK
        uses: nttld/setup-ndk@v1
        with:
          ndk-version: r26b

      - name: Install cargo-ndk
        run: cargo install cargo-ndk

      - name: Build Android APK
        shell: pwsh
        working-directory: ostp-flutter
        run: ./build.ps1

      - name: Upload Android APK
        uses: actions/upload-artifact@v4
        with:
          name: ostp-android-apk
          path: ostp-flutter/ostp-client-release.apk