name: Build Windows Installer

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Installer version to write into the Tauri bundle"
        required: true
        default: "0.1.5"
      artifact_name:
        description: "Uploaded artifact name"
        required: true
        default: "HoloLake-Era-Windows-x64"

env:
  NODE_OPTIONS: --max-old-space-size=4096
  RUST_TARGET_CACHE_VERSION: v2026-04-14-hololake-era-windows-manual

jobs:
  build-windows:
    name: Build Windows x64 installer
    runs-on: windows-latest

    steps:
      - uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
        with:
          version: 10

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "22"
          cache: "pnpm"

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8
        with:
          targets: x86_64-pc-windows-msvc

      - name: Cache Rust dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~\.cargo\registry
            ~\.cargo\git
            src-tauri\target
          key: ${{ runner.os }}-manual-windows-cargo-x86_64-pc-windows-msvc-${{ env.RUST_TARGET_CACHE_VERSION }}-${{ hashFiles('src-tauri/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-manual-windows-cargo-x86_64-pc-windows-msvc-${{ env.RUST_TARGET_CACHE_VERSION }}-

      - name: Cache Tauri Windows tools
        uses: actions/cache@v4
        with:
          path: ~\AppData\Local\tauri
          key: ${{ runner.os }}-tauri-tools-nsis-3.11-nsis-tauri-utils-0.5.3

      - name: Prefetch Tauri NSIS toolchain
        shell: pwsh
        run: ./.github/scripts/prefetch-tauri-nsis.ps1

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

      - name: Set app version
        shell: pwsh
        run: |
          $version = "${{ inputs.version }}"
          $tauri = Get-Content "src-tauri/tauri.conf.json" | ConvertFrom-Json
          $tauri.version = $version
          $tauri | ConvertTo-Json -Depth 100 | Set-Content "src-tauri/tauri.conf.json"
          (Get-Content "src-tauri/Cargo.toml") -replace '^version = ".*"$', "version = `"$version`"" | Set-Content "src-tauri/Cargo.toml"

      - name: Build NSIS installer
        shell: pwsh
        env:
          VITE_SENTRY_DSN: ""
          SENTRY_DSN: ""
          VITE_POSTHOG_KEY: ""
          VITE_POSTHOG_HOST: ""
        run: pnpm tauri build --target x86_64-pc-windows-msvc --bundles nsis

      - name: Validate installer
        shell: pwsh
        run: |
          $installers = @(Get-ChildItem -Path "src-tauri/target/x86_64-pc-windows-msvc/release/bundle/nsis" -Filter "*-setup.exe" -File -ErrorAction SilentlyContinue)
          if ($installers.Count -eq 0) {
            throw "Windows build produced no NSIS setup executable."
          }
          foreach ($installer in $installers) {
            if ($installer.Name -notlike "*${{ inputs.version }}*") {
              throw "Windows installer has unexpected version in filename: $($installer.Name)"
            }
            Write-Host "Built Windows installer: $($installer.FullName)"
          }

      - name: Upload Windows installer
        uses: actions/upload-artifact@v4
        with:
          name: ${{ inputs.artifact_name }}
          path: |
            src-tauri/target/x86_64-pc-windows-msvc/release/bundle/nsis/*-setup.exe
          if-no-files-found: error
          retention-days: 7