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"
  VERSION_NORMAL: "v${{ github.event.inputs.version }}-pr-${{ github.event.inputs.preview_version }}"
  VERSION_LWJGL3: "v${{ github.event.inputs.version }}-lwjgl3-${{ github.event.inputs.preview_version }}"

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

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.target_branch || github.ref }}
          fetch-depth: 0

      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.m2/repository
            ~/.cache/pip
          key: ${{ runner.os }}-deps-${{ matrix.buildType }}-${{ hashFiles('**/pom.xml') }}

      - name: Download Resource Pack
        uses: actions/download-release@v2
        with:
          repository: GTModpackTeam/GTE2-Translations
          tag: latest
          asset: 'resourcepack*.zip'
          token: ${{ github.token }}
          path: overrides/resourcepacks

      - 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.VERSION_LWJGL3 }}"
          else
            VER="${{ env.VERSION_NORMAL }}"
          fi
          echo "[CleanroomMMC] GregTech Expert 2 $VER" > overrides/config/txloader/load/custommainmenu/version.txt
          sed -i "s/MODPACKVERSION/$VER/g" manifest.json instance.cfg overrides/config/craftpresence.json

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

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

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

      - name: Package Artifacts
        run: |
          if [[ "${{ matrix.buildType }}" == "lwjgl3" ]]; then
            sed -i "s/B:EnableCustomGameTitle=false/B:EnableCustomGameTitle=true/" overrides/config/stellar_core.cfg
            cp -rvf cmmc/bansoukou/ overrides/
            mv overrides .minecraft
            cp icon.png .minecraft/
            cp -rvf cmmc/* ./
            zip -r artifacts/${{ env.NAME }}-${{ env.VERSION_LWJGL3 }}-cmmc.zip libraries/ patches/ mmc-pack.json instance.cfg .minecraft/
          else
            zip -r artifacts/${{ env.NAME }}-${{ env.VERSION_NORMAL }}-cf.zip manifest.json modlist.html overrides/
            mv overrides .minecraft
            cp icon.png .minecraft/
            zip -r artifacts/${{ env.NAME }}-${{ env.VERSION_NORMAL }}-mmc.zip mmc-pack.json instance.cfg .minecraft/
            mv serverfiles/* ./
            zip -r artifacts/${{ env.NAME }}-${{ env.VERSION_NORMAL }}-server.zip docker-compose.yml PleaseRead.txt log4j2_112-116.xml Install.* ServerStart.* settings.* TmuxServer.sh bansoukou/ config/ local/ mods/ resources/ scripts/
          fi

      - name: Upload Artifacts
        uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.buildType }}-artifacts
          path: artifacts/
          retention-days: 1

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

    steps:
      - name: Download All Artifacts
        uses: actions/download-artifact@v3
        with:
          path: downloads

      - name: Aggregate Artifacts
        run: |
          mkdir -p artifacts
          cp -r downloads/*/artifacts/* artifacts/

      - 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.VERSION_NORMAL }}
          git push origin ${{ env.VERSION_NORMAL }}

      - name: Create or Update GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ env.VERSION_NORMAL }}
          name: "Preview ${{ env.VERSION_NORMAL }}"
          body: |
            ## GregTech Expert 2 - Preview Release

            This preview includes:
            - **Standard** (CurseForge / MultiMC / PrismLauncher / Server)
            - **LWJGL3** (MultiMC / PrismLauncher only)

            See installation guide for LWJGL3 [here](https://github.com/GTModpackTeam/GregTech-Expert-2/blob/main/cmmc/README.md).
          prerelease: true
          files: |
            artifacts/${{ env.NAME }}-${{ env.VERSION_NORMAL }}-cf.zip
            artifacts/${{ env.NAME }}-${{ env.VERSION_NORMAL }}-mmc.zip
            artifacts/${{ env.NAME }}-${{ env.VERSION_NORMAL }}-server.zip
            artifacts/${{ env.NAME }}-${{ env.VERSION_LWJGL3 }}-cmmc.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}