name: Build VS Mod

on:
  push:
    branches: [master]
    tags: ['v*']

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Build and package mod
        run: |
          VERSION=$(grep -oPm1 '"version":\s*"\K[^"]+' resources/modinfo.json)
          MODID="welcomescreen"
          OUTPUT="${MODID}_${VERSION}.zip"

          # Build inside .NET SDK container using docker cp (DinD — bind mounts don't work)
          docker volume create mod-build
          docker pull alpine:3 >/dev/null 2>&1
          HELPER=$(docker create -v mod-build:/src alpine:3 true)
          docker cp . $HELPER:/src/
          docker rm $HELPER >/dev/null

          docker run --rm -v mod-build:/src -w /src mcr.microsoft.com/dotnet/sdk:8.0 \
            dotnet build -c Release

          # Extract artifacts from volume
          HELPER=$(docker create -v mod-build:/src alpine:3 true)
          docker cp $HELPER:/src/bin/Release/WelcomeScreen.dll ./WelcomeScreen.dll
          docker rm $HELPER >/dev/null
          docker volume rm mod-build >/dev/null

          # Package ZIP
          mkdir -p dist
          cp WelcomeScreen.dll dist/
          cp resources/modinfo.json dist/
          cd dist && zip -j "../${OUTPUT}" WelcomeScreen.dll modinfo.json
          cd ..

          echo "MOD_ZIP=${OUTPUT}" >> $GITHUB_ENV
          echo "MOD_VERSION=${VERSION}" >> $GITHUB_ENV
          echo "Built ${OUTPUT}"

      - name: Create release
        if: startsWith(github.ref, 'refs/tags/v')
        run: |
          TAG="${GITHUB_REF#refs/tags/}"
          # Generate a temporary token for the API call
          TOKEN=$(docker exec gitea gitea admin user generate-access-token \
            --user git --username calic --scopes write 2>&1 | grep -oPm1 '(?<=: ).*')

          # Create release with artifact
          RELEASE_ID=$(curl -sf \
            -H "Authorization: token ${TOKEN}" \
            -H "Content-Type: application/json" \
            -d "{\"tag_name\":\"${TAG}\",\"name\":\"Welcome Screen ${MOD_VERSION}\",\"body\":\"Release ${MOD_VERSION}\"}" \
            "http://gitea:3000/api/v1/repos/calic/vs-welcome-screen/releases" | grep -oPm1 '"id":\K[0-9]+')

          # Upload artifact
          curl -sf \
            -H "Authorization: token ${TOKEN}" \
            -F "attachment=@${MOD_ZIP}" \
            "http://gitea:3000/api/v1/repos/calic/vs-welcome-screen/releases/${RELEASE_ID}/assets"

          # Clean up token
          TOKEN_ID=$(curl -sf \
            -H "Authorization: token ${TOKEN}" \
            "http://gitea:3000/api/v1/users/calic/tokens" | grep -oPm1 '"id":\K[0-9]+')
          curl -sf -X DELETE \
            -H "Authorization: token ${TOKEN}" \
            "http://gitea:3000/api/v1/users/calic/tokens/${TOKEN_ID}"

          echo "Release ${TAG} created with artifact ${MOD_ZIP}"