preview.yml

name: Deploy Preview Modpack

permissions:
  contents: read
  deployments: write

on:
  workflow_dispatch:
    inputs:
      target_branch:
        description: "Target branch for the preview"
        type: string
        required: true
      version:
        description: "Modpack version"
        required: true
      preview_version:
        description: "Preview version"
        required: true

env:
  NAME: "GTExpert2"
  JAVA8_CF: "${{ github.event.inputs.version }}-Pre-${{ github.event.inputs.preview_version }}-CF_Java_8"
  JAVA8_MMC: "${{ github.event.inputs.version }}-Pre-${{ github.event.inputs.preview_version }}-MMC_Java_8"
  JAVA8_SERVER: "${{ github.event.inputs.version }}-Pre-${{ github.event.inputs.preview_version }}-Server_Java_8"
  JAVA_OPT: "${{ github.event.inputs.version }}-Pre-${{ github.event.inputs.preview_version }}-MMC_Java_25-26"

jobs:
  build:
    runs-on: ubuntu-slim
    strategy:
      matrix:
        buildType: [standard, lwjgl3]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.inputs.target_branch || github.ref }}
          fetch-depth: 0

      - name: Download Resource Packs zip
        run: |
          GITHUB_RELEASE=$(curl -s https://api.github.com/repos/GTModpackTeam/GTE2-Translations/releases)
          ASSET_URL=$(echo $GITHUB_RELEASE | jq -r '.[]."assets"[]."browser_download_url"' | grep "resourcepack" | head -1)
          ASSET_NAME=$(echo $ASSET_URL | awk -F'/' '{print $NF}')
          wget -O ./overrides/resourcepacks/$ASSET_NAME $ASSET_URL

      - name: Setup Build Environment
        uses: ./.github/actions/build_setup

      - name: Create artifacts directory
        run: mkdir -p artifacts

      - name: Set Modpack Version
        run: |
          if [[ "${{ matrix.buildType }}" == "lwjgl3" ]]; then
            VER="${{ env.JAVA_OPT }}"
            echo "[CleanroomMMC] GregTech Expert 2 $VER" > overrides/config/txloader/load/custommainmenu/version.txt
          else
            VER="${{ env.JAVA8_CF }}"
            echo "GregTech Expert 2 $VER" > overrides/config/txloader/load/custommainmenu/version.txt
          fi
          sed -i "s/MODPACKVERSION/$VER/g" manifest.json instance.cfg overrides/config/craftpresence.json
          BQVER=$(echo "${{ github.event.inputs.version }}" | tr -d '.')
          sed -i "s/BQVERSION/$BQVER/g" overrides/config/betterquesting/DefaultQuests/QuestSettings.json

      - name: Adjust for LWJGL3
        if: matrix.buildType == 'lwjgl3'
        run: |
          uv run --directory ./buildtools python ./gen-lwjgl3-manifest.py
          cp -vf cmmc/manifest.json manifest.json

      - name: Install Mods
        env:
          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
        run: uv run --directory ./buildtools python ./mod-install.py

      - name: Clean up placeholder files
        run: find . -name ".gitkeep" -delete

      - name: Package Artifacts
        run: |
          if [[ "${{ matrix.buildType }}" == "lwjgl3" ]]; then
            sed -i "s/B:EnableCustomGameTitle=false/B:EnableCustomGameTitle=true/" overrides/config/stellar_core.cfg
            mv -vf overrides/ .minecraft/
            cp -vf icon.png .minecraft/
            cp -rvf cmmc/* ./
            zip -r artifacts/${{ env.NAME }}-${{ env.JAVA_OPT }}.zip patches/ mmc-pack.json instance.cfg .minecraft/
          else
            zip -r artifacts/${{ env.NAME }}-${{ env.JAVA8_CF }}.zip manifest.json modlist.html overrides/config/ overrides/local/ overrides/resourcepacks/icons/ overrides/resourcepacks/GTExpert2-* overrides/scripts/
            mv overrides/ .minecraft/
            cp icon.png .minecraft/
            zip -r artifacts/${{ env.NAME }}-${{ env.JAVA8_MMC }}.zip mmc-pack.json instance.cfg .minecraft/
            mv serverfiles/* ./
            rm -vf .minecraft/mods/!Red-Core-*
            rm -vf .minecraft/mods/Alfheim-*
            rm -vf .minecraft/mods/CraftPresence-*
            rm -vf .minecraft/mods/Controlling-*
            rm -vf .minecraft/mods/UniLib-*
            rm -vf .minecraft/mods/CustomMainMenu-*
            rm -vf .minecraft/mods/Fixeroo-*
            rm -vf .minecraft/mods/FpsReducer-*
            rm -vf .minecraft/mods/modernsplash-*
            rm -vf .minecraft/mods/RenderLib-*
            rm -vf .minecraft/mods/particleculling-*
            rm -vf .minecraft/mods/EntityCulling-*
            rm -vf .minecraft/mods/SmoothFont-*
            rm -vf .minecraft/mods/InGameInfoXML-*
            rm -vf .minecraft/mods/oauth-*
            rm -vf .minecraft/mods/UntranslatedItems-*
            mv -vf .minecraft/* ./
            zip -r artifacts/${{ env.NAME }}-${{ env.JAVA8_SERVER }}.zip docker-compose.yml PleaseRead.txt log4j2_112-116.xml Install.* ServerStart.* settings.* TmuxServer.sh config/ local/ mods/ resources/ scripts/
          fi

      - name: Upload Artifacts
        uses: actions/upload-artifact@v7
        with:
          name: ${{ matrix.buildType }}-artifacts
          path: artifacts/
          retention-days: 1

  release:
    needs: build
    runs-on: ubuntu-slim
    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.inputs.target_branch || github.ref }}
          fetch-depth: 0

      - name: Download All Artifacts
        uses: actions/download-artifact@v8
        with:
          path: downloads

      - name: Aggregate Artifacts
        run: |
          mkdir -p artifacts
          for d in downloads/*; do
            if [ -d "$d" ]; then
              cp -r "$d"/* artifacts/ || true
            fi
          done

      - name: Ensure Tag Exists
        if: "!startsWith(github.ref, 'refs/tags/')"
        run: |
          git config --global user.name "github-actions"
          git config --global user.email "actions@github.com"
          git tag ${{ env.JAVA8_CF }}
          git push origin ${{ env.JAVA8_CF }}

      - name: Create or Update GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: "v${{ github.event.inputs.version }}-pr-${{ github.event.inputs.preview_version }}"
          name: "v${{ github.event.inputs.version }}-Pre-${{ github.event.inputs.preview_version }}"
          body: |
            ## GregTech Expert 2 Preview - ${{ github.event.inputs.version }}

            This preview includes:
            - **Java 8** (CurseForge / MultiMC / PrismLauncher / Server)
            - **Java 25-26** (MultiMC / PrismLauncher only)

            See installation guide for Java 25-26 [here](https://github.com/GTModpackTeam/GregTech-Expert-2/blob/main/cmmc/).
          prerelease: true
          generate_release_notes: true
          files: |
            artifacts/${{ env.NAME }}-${{ env.JAVA8_CF }}.zip
            artifacts/${{ env.NAME }}-${{ env.JAVA8_MMC }}.zip
            artifacts/${{ env.NAME }}-${{ env.JAVA8_SERVER }}.zip
            artifacts/${{ env.NAME }}-${{ env.JAVA_OPT }}.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}