name: Docker Nightly Dedicated Server

on:
  workflow_dispatch:
  push:
    branches:
    - "main"
    - 'feature/dedicated-server'
    paths-ignore:
      - ".gitignore"
      - "*.md"
      - ".github/*.md"

permissions:
  contents: read
  packages: write

concurrency:
  group: docker-nightly-dedicated-server
  cancel-in-progress: true

jobs:
  build-runtime:
    name: Build Dedicated Server Runtime
    runs-on: windows-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v6

    - name: Setup msbuild
      uses: microsoft/setup-msbuild@v2

    - name: Build Dedicated Server Runtime Only
      shell: pwsh
      run: |
        MSBuild.exe Minecraft.World\Minecraft.World.vcxproj /p:Configuration=Release /p:Platform=x64 /m
        MSBuild.exe Minecraft.Server\Minecraft.Server.vcxproj /p:Configuration=Release /p:Platform=x64 /m

    - name: Stage dedicated server runtime
      shell: pwsh
      run: |
        $serverOut = "Minecraft.Server/x64/Minecraft.Server/Release"
        $stage = ".artifacts/dedicated-server-runtime"

        if (Test-Path $stage) {
          Remove-Item -Path $stage -Recurse -Force
        }

        New-Item -ItemType Directory -Path (Join-Path $stage "Windows64") -Force | Out-Null

        # Minimum required runtime files
        $required = @(
          "Minecraft.Server.exe",
          "iggy_w64.dll",
          "Common"
        )

        foreach ($entry in $required) {
          $src = Join-Path $serverOut $entry
          if (-not (Test-Path $src)) {
            throw "Missing required runtime path: $src"
          }
        }

        # Copy required files
        Copy-Item -Path (Join-Path $serverOut "Minecraft.Server.exe") -Destination (Join-Path $stage "Minecraft.Server.exe") -Force
        Copy-Item -Path (Join-Path $serverOut "iggy_w64.dll") -Destination (Join-Path $stage "iggy_w64.dll") -Force
        Copy-Item -Path (Join-Path $serverOut "Common") -Destination (Join-Path $stage "Common") -Recurse -Force
        if (Test-Path (Join-Path $serverOut "Windows64")) {
          Copy-Item -Path (Join-Path $serverOut "Windows64/*") -Destination (Join-Path $stage "Windows64") -Recurse -Force
        } else {
          Write-Host "Windows64 directory is not present in build output; staging without it."
        }

        Get-ChildItem -Path $stage -Recurse -File | Select-Object -First 20 | ForEach-Object {
          Write-Host "Staged: $($_.FullName)"
        }

    - name: Upload dedicated server runtime to artifacts
      uses: actions/upload-artifact@v4
      with:
        name: dedicated-server-runtime
        if-no-files-found: error
        path: |
          .artifacts/dedicated-server-runtime/**

  docker-publish:
    name: Build and Push Docker Image
    runs-on: ubuntu-latest
    needs: build-runtime

    steps:
    - name: Checkout
      uses: actions/checkout@v6

    - name: Download dedicated server runtime from artifacts
      uses: actions/download-artifact@v4
      with:
        name: dedicated-server-runtime
        path: .artifacts/runtime

    - name: Prepare Docker runtime directory
      shell: bash
      run: |
        set -euo pipefail

        rm -rf runtime
        mkdir -p runtime
        cp .artifacts/runtime/Minecraft.Server.exe runtime/Minecraft.Server.exe
        cp .artifacts/runtime/iggy_w64.dll runtime/iggy_w64.dll
        cp -R .artifacts/runtime/Common runtime/Common
        mkdir -p runtime/Windows64
        if [[ -d ".artifacts/runtime/Windows64" ]]; then
          cp -R .artifacts/runtime/Windows64/. runtime/Windows64/
        fi

        test -f runtime/Minecraft.Server.exe
        test -f runtime/iggy_w64.dll
        test -d runtime/Common
        test -d runtime/Windows64

    - name: Compute image name
      id: image
      shell: bash
      run: |
        owner="$(echo "${{ vars.CONTAINER_REGISTRY_OWNER || github.repository_owner }}" | tr '[:upper:]' '[:lower:]')"
        image_tag="nightly"
        # if [[ "${{ github.ref }}" != "refs/heads/main" ]]; then
        #   image_tag="nightly-test"
        # fi
        echo "owner=$owner" >> "$GITHUB_OUTPUT"
        echo "image=ghcr.io/$owner/minecraft-lce-dedicated-server" >> "$GITHUB_OUTPUT"
        echo "image_tag=$image_tag" >> "$GITHUB_OUTPUT"

    - name: Extract Docker metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ steps.image.outputs.image }}
        tags: |
          type=raw,value=${{ steps.image.outputs.image_tag }}

    - name: Login to GHCR
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ secrets.GHCR_USERNAME || github.actor }}
        password: ${{ secrets.GHCR_TOKEN || secrets.GITHUB_TOKEN }}

    - name: Build and push image
      uses: docker/build-push-action@v6
      with:
        context: .
        file: docker/dedicated-server/Dockerfile
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        build-args: |
          MC_RUNTIME_DIR=runtime