name: CI

on:
  push:
    branches:
      - main
      - master
      - develop
  pull_request:
  schedule:
    # Nightly build at 14:00 UTC, roughly midnight in Australia/Sydney.
    - cron: "0 14 * * *"
  workflow_dispatch:

jobs:
  native-windows:
    name: Native Windows Build And Tests
    runs-on: windows-2022

    steps:
      - name: Manual Checkout With LFS Submodules
        shell: powershell
        env:
          GITEA_PAT: ${{ secrets.TOKEN }}
        run: |
          function Invoke-Git {
            & git @args
            if ($LASTEXITCODE -ne 0) {
              exit $LASTEXITCODE
            }
          }

          function Add-GiteaTokenToUrl([string]$url) {
            if ([string]::IsNullOrWhiteSpace($env:GITEA_PAT)) {
              return $url
            }
            return $url -replace "^https://", "https://aiden:$($env:GITEA_PAT)@"
          }

          $serverUrl = "${{ gitea.server_url }}".TrimEnd("/")
          $repository = "${{ gitea.repository }}"
          if ([string]::IsNullOrWhiteSpace($serverUrl)) {
            $serverUrl = "https://git.f-40.com"
          }
          if ([string]::IsNullOrWhiteSpace($repository)) {
            $repository = "aiden/video-shader-toys"
          }
          $repoUrl = Add-GiteaTokenToUrl "$serverUrl/$repository.git"

          Invoke-Git init .
          Invoke-Git lfs install --local
          Invoke-Git remote add origin "$repoUrl"
          Invoke-Git fetch --depth=1 origin "${{ gitea.ref }}"
          Invoke-Git checkout FETCH_HEAD

          Invoke-Git lfs pull origin "${{ gitea.ref }}"
          Invoke-Git submodule sync --recursive
          $submoduleUrl = Invoke-Git config --file .gitmodules --get submodule.video-io-3rdParty.url
          $submoduleUrl = Add-GiteaTokenToUrl "$submoduleUrl"
          Invoke-Git config submodule.video-io-3rdParty.url "$submoduleUrl"
          Invoke-Git submodule update --init --recursive --depth=1
          Invoke-Git -C video-io-3rdParty lfs pull

          Write-Host "Parent LFS files:"
          Invoke-Git lfs ls-files
          Write-Host "Submodule LFS files:"
          Invoke-Git -C video-io-3rdParty lfs ls-files

      - name: Verify Visual Studio ATL
        shell: powershell
        run: |
          $atlHeaders = @(Get-ChildItem -Path "${env:ProgramFiles(x86)}\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC" -Filter atlbase.h -Recurse -ErrorAction SilentlyContinue)
          if ($atlHeaders.Count -eq 0) {
            Write-Error "Visual Studio Build Tools is missing ATL. Install the 'C++ ATL for latest v143 build tools (x86 & x64)' component, component ID Microsoft.VisualStudio.Component.VC.ATL, then restart the runner service."
            exit 1
          }
          Write-Host "Found ATL header: $($atlHeaders[0].FullName)"

      - name: Configure Debug
        shell: powershell
        run: |
          $thirdPartyRoot = "${{ vars.THIRD_PARTY_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($thirdPartyRoot)) {
            $thirdPartyRoot = $env:THIRD_PARTY_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($thirdPartyRoot)) {
            $thirdPartyRoot = Join-Path $PWD "video-io-3rdParty"
          }
          if (-not (Test-Path -LiteralPath $thirdPartyRoot)) {
            $thirdPartyRoot = Join-Path $PWD "3rdParty"
          }

          $slangRoot = "${{ vars.SLANG_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($slangRoot)) {
            $slangRoot = $env:SLANG_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($slangRoot)) {
            $slangRoot = Join-Path $thirdPartyRoot "slang-2026.8-windows-x86_64"
          }

          $msdfAtlasGenRoot = "${{ vars.MSDF_ATLAS_GEN_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($msdfAtlasGenRoot)) {
            $msdfAtlasGenRoot = $env:MSDF_ATLAS_GEN_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($msdfAtlasGenRoot)) {
            $msdfAtlasGenRoot = Join-Path $thirdPartyRoot "msdf-atlas-gen"
          }

          $ndiSdkRoot = "${{ vars.NDI_SDK_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($ndiSdkRoot)) {
            $ndiSdkRoot = $env:NDI_SDK_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($ndiSdkRoot)) {
            $ndiSdkRoot = Join-Path $thirdPartyRoot "NDI 6 SDK"
          }

          $deckLinkSdkRoot = "${{ vars.DECKLINK_SDK_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($deckLinkSdkRoot)) {
            $deckLinkSdkRoot = $env:DECKLINK_SDK_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($deckLinkSdkRoot)) {
            $deckLinkSdkRoot = Join-Path $thirdPartyRoot "Blackmagic DeckLink SDK 16.0"
          }

          $requiredFiles = @(
            (Join-Path $slangRoot "bin\slangc.exe"),
            (Join-Path $slangRoot "bin\slang-compiler.dll"),
            (Join-Path $slangRoot "bin\slang-glslang.dll"),
            (Join-Path $slangRoot "LICENSE"),
            (Join-Path $msdfAtlasGenRoot "msdf-atlas-gen.exe"),
            (Join-Path $ndiSdkRoot "Include\Processing.NDI.Lib.h"),
            (Join-Path $ndiSdkRoot "Lib\x64\Processing.NDI.Lib.x64.lib"),
            (Join-Path $ndiSdkRoot "Bin\x64\Processing.NDI.Lib.x64.dll"),
            (Join-Path $deckLinkSdkRoot "Win\include\DeckLinkAPI.idl")
          )

          $missingFiles = @($requiredFiles | Where-Object { -not (Test-Path -LiteralPath $_) })
          if ($missingFiles.Count -gt 0) {
            Write-Error "Missing native third-party dependencies. Initialize the private video-io-3rdParty submodule, set THIRD_PARTY_ROOT, or configure per-SDK repository variables. Missing: $($missingFiles -join ', ')"
            exit 1
          }

          Write-Host "Using THIRD_PARTY_ROOT=$thirdPartyRoot"
          Write-Host "Using SLANG_ROOT=$slangRoot"
          Write-Host "Using MSDF_ATLAS_GEN_ROOT=$msdfAtlasGenRoot"
          Write-Host "Using NDI_SDK_ROOT=$ndiSdkRoot"
          Write-Host "Using DECKLINK_SDK_ROOT=$deckLinkSdkRoot"
          cmake --preset vs2022-x64-debug -DTHIRD_PARTY_ROOT="$thirdPartyRoot" -DSLANG_ROOT="$slangRoot" -DMSDF_ATLAS_GEN_ROOT="$msdfAtlasGenRoot" -DNDI_SDK_ROOT="$ndiSdkRoot" -DDECKLINK_SDK_ROOT="$deckLinkSdkRoot"

      - name: Build Debug
        shell: powershell
        run: cmake --build --preset build-debug --parallel

      - name: Run Native Tests And Shader Validation
        shell: powershell
        run: cmake --build --preset build-debug --target RUN_TESTS --parallel

  ui-ubuntu:
    name: React UI Build
    runs-on: ubuntu-latest

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

      - name: Install UI Dependencies
        working-directory: ui
        run: npm ci --no-audit --no-fund

      - name: Build UI
        working-directory: ui
        run: npm run build

  package-windows:
    name: Windows Release Package
    runs-on: windows-2022
    if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
    needs:
      - native-windows
      - ui-ubuntu

    steps:
      - name: Manual Checkout With LFS Submodules
        shell: powershell
        env:
          GITEA_PAT: ${{ secrets.TOKEN }}
        run: |
          function Invoke-Git {
            & git @args
            if ($LASTEXITCODE -ne 0) {
              exit $LASTEXITCODE
            }
          }

          function Add-GiteaTokenToUrl([string]$url) {
            if ([string]::IsNullOrWhiteSpace($env:GITEA_PAT)) {
              return $url
            }
            return $url -replace "^https://", "https://aiden:$($env:GITEA_PAT)@"
          }

          $serverUrl = "${{ gitea.server_url }}".TrimEnd("/")
          $repository = "${{ gitea.repository }}"
          if ([string]::IsNullOrWhiteSpace($serverUrl)) {
            $serverUrl = "https://git.f-40.com"
          }
          if ([string]::IsNullOrWhiteSpace($repository)) {
            $repository = "aiden/video-shader-toys"
          }
          $repoUrl = Add-GiteaTokenToUrl "$serverUrl/$repository.git"

          Invoke-Git init .
          Invoke-Git lfs install --local
          Invoke-Git remote add origin "$repoUrl"
          Invoke-Git fetch --depth=1 origin "${{ gitea.ref }}"
          Invoke-Git checkout FETCH_HEAD

          Invoke-Git lfs pull origin "${{ gitea.ref }}"
          Invoke-Git submodule sync --recursive
          $submoduleUrl = Invoke-Git config --file .gitmodules --get submodule.video-io-3rdParty.url
          $submoduleUrl = Add-GiteaTokenToUrl "$submoduleUrl"
          Invoke-Git config submodule.video-io-3rdParty.url "$submoduleUrl"
          Invoke-Git submodule update --init --recursive --depth=1
          Invoke-Git -C video-io-3rdParty lfs pull

          Write-Host "Parent LFS files:"
          Invoke-Git lfs ls-files
          Write-Host "Submodule LFS files:"
          Invoke-Git -C video-io-3rdParty lfs ls-files

      - name: Verify Visual Studio ATL
        shell: powershell
        run: |
          $atlHeaders = @(Get-ChildItem -Path "${env:ProgramFiles(x86)}\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC" -Filter atlbase.h -Recurse -ErrorAction SilentlyContinue)
          if ($atlHeaders.Count -eq 0) {
            Write-Error "Visual Studio Build Tools is missing ATL. Install the 'C++ ATL for latest v143 build tools (x86 & x64)' component, component ID Microsoft.VisualStudio.Component.VC.ATL, then restart the runner service."
            exit 1
          }
          Write-Host "Found ATL header: $($atlHeaders[0].FullName)"

      - name: Build UI
        shell: powershell
        working-directory: ui
        run: |
          npm ci --no-audit --no-fund
          npm run build

      - name: Configure Release
        shell: powershell
        run: |
          $thirdPartyRoot = "${{ vars.THIRD_PARTY_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($thirdPartyRoot)) {
            $thirdPartyRoot = $env:THIRD_PARTY_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($thirdPartyRoot)) {
            $thirdPartyRoot = Join-Path $PWD "video-io-3rdParty"
          }
          if (-not (Test-Path -LiteralPath $thirdPartyRoot)) {
            $thirdPartyRoot = Join-Path $PWD "3rdParty"
          }

          $slangRoot = "${{ vars.SLANG_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($slangRoot)) {
            $slangRoot = $env:SLANG_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($slangRoot)) {
            $slangRoot = Join-Path $thirdPartyRoot "slang-2026.8-windows-x86_64"
          }

          $msdfAtlasGenRoot = "${{ vars.MSDF_ATLAS_GEN_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($msdfAtlasGenRoot)) {
            $msdfAtlasGenRoot = $env:MSDF_ATLAS_GEN_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($msdfAtlasGenRoot)) {
            $msdfAtlasGenRoot = Join-Path $thirdPartyRoot "msdf-atlas-gen"
          }

          $ndiSdkRoot = "${{ vars.NDI_SDK_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($ndiSdkRoot)) {
            $ndiSdkRoot = $env:NDI_SDK_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($ndiSdkRoot)) {
            $ndiSdkRoot = Join-Path $thirdPartyRoot "NDI 6 SDK"
          }

          $deckLinkSdkRoot = "${{ vars.DECKLINK_SDK_ROOT }}"
          if ([string]::IsNullOrWhiteSpace($deckLinkSdkRoot)) {
            $deckLinkSdkRoot = $env:DECKLINK_SDK_ROOT
          }
          if ([string]::IsNullOrWhiteSpace($deckLinkSdkRoot)) {
            $deckLinkSdkRoot = Join-Path $thirdPartyRoot "Blackmagic DeckLink SDK 16.0"
          }

          $requiredFiles = @(
            (Join-Path $slangRoot "bin\slangc.exe"),
            (Join-Path $slangRoot "bin\slang-compiler.dll"),
            (Join-Path $slangRoot "bin\slang-glslang.dll"),
            (Join-Path $slangRoot "LICENSE"),
            (Join-Path $msdfAtlasGenRoot "msdf-atlas-gen.exe"),
            (Join-Path $ndiSdkRoot "Include\Processing.NDI.Lib.h"),
            (Join-Path $ndiSdkRoot "Lib\x64\Processing.NDI.Lib.x64.lib"),
            (Join-Path $ndiSdkRoot "Bin\x64\Processing.NDI.Lib.x64.dll"),
            (Join-Path $deckLinkSdkRoot "Win\include\DeckLinkAPI.idl")
          )

          $missingFiles = @($requiredFiles | Where-Object { -not (Test-Path -LiteralPath $_) })
          if ($missingFiles.Count -gt 0) {
            Write-Error "Missing native third-party dependencies. Initialize the private video-io-3rdParty submodule, set THIRD_PARTY_ROOT, or configure per-SDK repository variables. Missing: $($missingFiles -join ', ')"
            exit 1
          }

          Write-Host "Using THIRD_PARTY_ROOT=$thirdPartyRoot"
          Write-Host "Using SLANG_ROOT=$slangRoot"
          Write-Host "Using MSDF_ATLAS_GEN_ROOT=$msdfAtlasGenRoot"
          Write-Host "Using NDI_SDK_ROOT=$ndiSdkRoot"
          Write-Host "Using DECKLINK_SDK_ROOT=$deckLinkSdkRoot"
          cmake --preset vs2022-x64-release -DTHIRD_PARTY_ROOT="$thirdPartyRoot" -DSLANG_ROOT="$slangRoot" -DMSDF_ATLAS_GEN_ROOT="$msdfAtlasGenRoot" -DNDI_SDK_ROOT="$ndiSdkRoot" -DDECKLINK_SDK_ROOT="$deckLinkSdkRoot"

      - name: Build Release
        shell: powershell
        run: cmake --build --preset build-release --parallel

      - name: Install Runtime Package
        shell: powershell
        run: cmake --install build/vs2022-x64-release --config Release --prefix dist/VideoShader

      - name: Zip Runtime Package
        shell: powershell
        run: Compress-Archive -Path dist/VideoShader/* -DestinationPath dist/VideoShader.zip -Force

      - name: Upload Runtime Package
        # Gitea/GHES-compatible runners do not support the v4 artifact backend yet.
        uses: actions/upload-artifact@v3
        with:
          name: VideoShader-windows-release
          path: dist/VideoShader.zip