name: Decompile upstream jar

on:
  workflow_dispatch:

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

      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '21'

      - name: Download upstream mod and CFR
        shell: bash
        run: |
          mkdir -p upstream tools build/decompiled
          curl --fail-with-body --location \
            --output upstream/Explosion-Overhaul-0.2.3.0-forge.jar \
            "https://cdn.modrinth.com/data/sOxnTLKl/versions/93XGK0uB/Explosion-Overhaul-0.2.3.0-forge-.jar"
          curl --fail-with-body --location \
            --output tools/cfr.jar \
            "https://www.benf.org/other/cfr/cfr-0.152.jar"

      - name: Decompile
        shell: bash
        run: |
          java -jar tools/cfr.jar upstream/Explosion-Overhaul-0.2.3.0-forge.jar \
            --outputdir build/decompiled \
            --silent false \
            --comments false \
            --caseinsensitivefs true

      - name: Copy metadata
        shell: bash
        run: |
          unzip -p upstream/Explosion-Overhaul-0.2.3.0-forge.jar META-INF/mods.toml > build/decompiled/mods.toml
          unzip -p upstream/Explosion-Overhaul-0.2.3.0-forge.jar explosionoverhaul.mixins.json > build/decompiled/explosionoverhaul.mixins.json
          find build/decompiled -maxdepth 3 -type f | sort > build/decompiled-file-list.txt

      - name: Upload decompiled sources
        uses: actions/upload-artifact@v3
        with:
          name: explosion-overhaul-decompiled-0.2.3.0-forge
          path: |
            build/decompiled/**
            build/decompiled-file-list.txt

      - name: Push decompiled branch
        shell: bash
        run: |
          worktree="$(mktemp -d)"
          cp -R build/decompiled/. "${worktree}/"
          cp build/decompiled-file-list.txt "${worktree}/decompiled-file-list.txt"

          git config user.name "Gitea Runner"
          git config user.email "runner@git.wilkensxl.de"
          git switch --orphan runner/decompiled-upstream
          git rm -rf . || true
          cp -R "${worktree}/." .
          git add .
          git commit -m "Decompile upstream Explosion Overhaul 0.2.3.0"
          git push --force origin HEAD:runner/decompiled-upstream