name: Build Windows Installer

on:
  workflow_dispatch:
  push:
    branches:
      - main
      - master
  pull_request:

jobs:
  build-windows:
    runs-on: windows-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Install Windows build tools
        shell: pwsh
        run: |
          choco install ffmpeg nsis -y --no-progress
          "C:\ProgramData\chocolatey\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
          "${env:ProgramFiles(x86)}\NSIS" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append

      - name: Verify bundled-tool prerequisites
        shell: pwsh
        run: |
          python --version
          rustc -Vv
          cargo -V
          Get-Command ffmpeg
          Get-Command ffprobe
          Get-Command makensis

      - name: Install Tauri CLI
        shell: pwsh
        run: cargo install tauri-cli --locked --version "^2"

      - name: Prepare bundled backend assets
        shell: pwsh
        run: python tools/prepare_bundle.py

      - name: Build Windows NSIS installer
        shell: pwsh
        run: cargo tauri build --bundles nsis

      - name: Upload installer artifacts
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: windows-installer
          if-no-files-found: warn
          path: |
            src-tauri/target/release/bundle/nsis/*