name: Update EmulatorJS CDN
on:
  release:
    types: [published]
  workflow_dispatch:
permissions:
  contents: read
jobs:
  run:
    if: github.repository == 'EmulatorJS/EmulatorJS'
    runs-on: emulatorjs-server
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set Variables
        run: |
          cd /mnt/HDD/public/
          if [[ "${{ github.event.release.prerelease }}" == "true" ]]; then
              wget -q "https://api.github.com/repos/EmulatorJS/EmulatorJS/releases?per_page=1" -O .tmp.json
              # The releases endpoint returns an array, get the first item
              version=$(jq -r '.[0].tag_name' .tmp.json)
              download_url=$(jq -r '.[0].assets[0].browser_download_url' .tmp.json)
              name=$(jq -r '.[0].assets[0].name' .tmp.json)
              is_prerelease=true
          else
              wget -q "https://api.github.com/repos/EmulatorJS/EmulatorJS/releases/latest" -O .tmp.json
              version=$(jq -r '.tag_name' .tmp.json)
              download_url=$(jq -r '.assets[0].browser_download_url' .tmp.json)
              name=$(jq -r '.assets[0].name' .tmp.json)
              is_prerelease=false
          fi
          old_version=$(jq -r '.github' versions.json)
          v_version="$version"
          if [[ $version == v* ]]; then
              version="${version:1}"
          fi
          rm .tmp.json
          echo "VERSION=$version" >> $GITHUB_ENV
          echo "DOWNLOAD_URL=$download_url" >> $GITHUB_ENV
          echo "NAME=$name" >> $GITHUB_ENV
          echo "OLD_VERSION=$old_version" >> $GITHUB_ENV
          echo "V_VERSION=$v_version" >> $GITHUB_ENV
          echo "IS_PRERELEASE=$is_prerelease" >> $GITHUB_ENV

      - name: Download Release
        run: |
          cd /mnt/HDD/public/
          mkdir -p ".new"
          wget -q "$DOWNLOAD_URL" -O ".new/$NAME"

      - name: Extract Release
        run: |
          cd /mnt/HDD/public/.new/
          7z x "$NAME"

      - name: Archive Release Asset
        run: |
          cd /mnt/HDD/public/
          mv ".new/$NAME" releases/

      - name: Promote Stable (stable releases only)
        if: env.IS_PRERELEASE == 'false'
        run: |
          cd /mnt/HDD/public/
          mv "$OLD_VERSION" "$VERSION"
          mv stable "$OLD_VERSION"
          mv .new stable
          jq --arg version "$VERSION" '.github = $version' versions.json | sponge versions.json

      - name: Place Prerelease Folder (prereleases only)
        if: env.IS_PRERELEASE == 'true'
        run: |
          cd /mnt/HDD/public/
          mv .new "$VERSION"

      - name: Set Permissions
        run: |
          cd /mnt/HDD/public
          if [[ "$IS_PRERELEASE" == "true" ]]; then
              chmod -R 775 "$VERSION/"
          else
              chmod -R 775 stable/
          fi

      - name: Update Stable Cores
        if: env.IS_PRERELEASE == 'false'
        run: |
          rsync -a --delete /mnt/HDD/public/stable/data/cores/ /mnt/HDD/public/.EmulatorJS/data/cores/

      - name: Zip Stable
        if: env.IS_PRERELEASE == 'false'
        run: |
          cd /mnt/HDD/public/stable/data/
          rm -f emulator.min.zip
          zip emulator.min.zip *.min.*

      - name: Update Versions JSON
        run: |
          cd /mnt/HDD/public/
          if [[ "$IS_PRERELEASE" == "true" ]]; then
              jq --arg version "$VERSION" '.versions += {($version): ($version + "/")}' versions.json | sponge versions.json
          else
              jq --arg old_version "$OLD_VERSION" '.versions += {($old_version): ($old_version + "/")}' versions.json | sponge versions.json
          fi

      - name: Clean Up (stable releases only)
        if: env.IS_PRERELEASE == 'false'
        run: |
          cd /mnt/HDD/public/
          rm -f "$OLD_VERSION/data/emulator.min.zip"
          rm -rf "$OLD_VERSION/node_modules/"