name: Docker Nightly Dedicated Server

on:
  workflow_dispatch:
  push:
    branches:
    - "main"
    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
      run: MSBuild.exe MinecraftConsoles.sln /p:Configuration=Release /p:Platform="Windows64" /t:"Minecraft.World;Minecraft.Server" /m

    - name: Upload dedicated server runtime to artifacts
      uses: actions/upload-artifact@v4
      with:
        name: dedicated-server-runtime
        if-no-files-found: error
        path: |
          x64/Minecraft.Server/Release/Minecraft.Server.exe
          x64/Minecraft.Server/Release/iggy_w64.dll
          x64/Minecraft.Server/Release/Common/**
          x64/Minecraft.Server/Release/Windows64/**

  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

        root=".artifacts/runtime"
        src=""

        if [[ -f "$root/Minecraft.Server.exe" ]]; then
          src="$root"
        elif [[ -f "$root/x64/Minecraft.Server/Release/Minecraft.Server.exe" ]]; then
          src="$root/x64/Minecraft.Server/Release"
        else
          echo "Could not find Minecraft.Server.exe in downloaded artifact"
          find "$root" -maxdepth 6 -type f || true
          exit 1
        fi

        rm -rf runtime
        mkdir -p runtime
        cp "$src/Minecraft.Server.exe" runtime/Minecraft.Server.exe
        cp "$src/iggy_w64.dll" runtime/iggy_w64.dll
        cp -R "$src/Common" runtime/Common
        cp -R "$src/Windows64" runtime/Windows64

        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:]')"
        echo "owner=$owner" >> "$GITHUB_OUTPUT"
        echo "image=ghcr.io/$owner/minecraft-lce-dedicated-server" >> "$GITHUB_OUTPUT"

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

    - 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