name: Build Windows

on:
  push:
    branches: [main]
    tags: ["v*"]
  pull_request:
    branches: [main]

env:
  PYTHON_VERSION: "3.11"
  NODE_VERSION: "20"
  TARGET: x86_64-pc-windows-msvc

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

      # ── Python sidecar ──
      - name: Install uv
        shell: powershell
        run: |
          if (Get-Command uv -ErrorAction SilentlyContinue) {
            Write-Host "uv already installed: $(uv --version)"
          } else {
            irm https://astral.sh/uv/install.ps1 | iex
            echo "$env:USERPROFILE\.local\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
          }

      - name: Install ffmpeg
        shell: powershell
        run: choco install ffmpeg -y

      - name: Set up Python
        shell: powershell
        run: uv python install ${{ env.PYTHON_VERSION }}

      - name: Build sidecar
        shell: powershell
        working-directory: python
        run: uv run --python ${{ env.PYTHON_VERSION }} python build_sidecar.py --cpu-only

      - name: Package sidecar for Tauri
        shell: powershell
        run: |
          Compress-Archive -Path python\dist\voice-to-notes-sidecar\* -DestinationPath src-tauri\sidecar.zip

      # ── Tauri app ──
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Install Rust stable
        shell: powershell
        run: |
          if (Get-Command rustup -ErrorAction SilentlyContinue) {
            rustup default stable
          } else {
            Invoke-WebRequest -Uri https://win.rustup.rs/x86_64 -OutFile rustup-init.exe
            .\rustup-init.exe -y --default-toolchain stable
            echo "$env:USERPROFILE\.cargo\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
          }

      - name: Install npm dependencies
        shell: powershell
        run: npm ci

      - name: Build Tauri app
        shell: powershell
        run: npm run tauri build

      # ── Release ──
      - name: Upload to release
        if: github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v')
        shell: powershell
        env:
          BUILD_TOKEN: ${{ secrets.BUILD_TOKEN }}
        run: |
          $REPO_API = "${{ github.server_url }}/api/v1/repos/${{ github.repository }}"
          $Headers = @{ "Authorization" = "token $env:BUILD_TOKEN" }

          # Use version tag for tag pushes, "latest" for main
          $REF = "${{ github.ref }}"
          if ($REF.StartsWith("refs/tags/")) {
            $TAG = $REF.Replace("refs/tags/", "")
            $RELEASE_NAME = "Voice to Notes ${TAG}"
            $PRERELEASE = $false
          } else {
            $TAG = "latest"
            $RELEASE_NAME = "Voice to Notes (Latest Build)"
            $PRERELEASE = $true
          }

          Write-Host "Release tag: ${TAG}"

          try {
            $release = Invoke-RestMethod -Uri "${REPO_API}/releases/tags/${TAG}" -Headers $Headers -ErrorAction Stop
            $RELEASE_ID = $release.id
          } catch {
            $body = @{
              tag_name = $TAG
              name = $RELEASE_NAME
              body = "Automated build."
              draft = $false
              prerelease = $PRERELEASE
            } | ConvertTo-Json
            $release = Invoke-RestMethod -Uri "${REPO_API}/releases" -Method Post -Headers $Headers -ContentType "application/json" -Body $body
            $RELEASE_ID = $release.id
          }

          Write-Host "Release ID: ${RELEASE_ID}"

          Get-ChildItem -Path src-tauri\target\release\bundle -Recurse -Include *.msi,*-setup.exe | ForEach-Object {
            $filename = $_.Name
            $encodedName = [System.Uri]::EscapeDataString($filename)
            $size = [math]::Round($_.Length / 1MB, 1)
            Write-Host "Uploading ${filename} (${size} MB)..."

            try {
              $assets = Invoke-RestMethod -Uri "${REPO_API}/releases/${RELEASE_ID}/assets" -Headers $Headers
              $existing = $assets | Where-Object { $_.name -eq $filename }
              if ($existing) {
                Invoke-RestMethod -Uri "${REPO_API}/releases/${RELEASE_ID}/assets/$($existing.id)" -Method Delete -Headers $Headers
              }
            } catch {}

            # Use curl for streaming upload (Invoke-RestMethod fails on large files)
            $uploadUrl = "${REPO_API}/releases/${RELEASE_ID}/assets?name=${encodedName}"
            $result = curl.exe --fail --silent --show-error `
              -X POST `
              -H "Authorization: token $env:BUILD_TOKEN" `
              -H "Content-Type: application/octet-stream" `
              --data-binary "@$($_.FullName)" `
              "$uploadUrl" 2>&1
            if ($LASTEXITCODE -eq 0) {
              Write-Host "Upload successful: ${filename}"
            } else {
              Write-Host "WARNING: Upload failed for ${filename}: ${result}"
            }
          }