name: Sync Upstream Release

on:
  schedule:
    - cron: "0 */6 * * *"
  workflow_dispatch:

permissions:
  contents: write

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Fetch upstream release metadata
        id: upstream
        run: |
          RELEASE=$(curl -sf https://api.github.com/repos/muxi1/switch-cheats-db/releases/latest)

          TAG=$(echo "$RELEASE" | jq -r '.tag_name')
          NAME=$(echo "$RELEASE" | jq -r '.name // empty')
          BODY=$(echo "$RELEASE" | jq -r '.body // empty')

          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

          # name defaults to tag when upstream leaves it empty
          if [ -z "$NAME" ]; then
            echo "name=$TAG" >> "$GITHUB_OUTPUT"
          else
            echo "name=$NAME" >> "$GITHUB_OUTPUT"
          fi

          # body via file to preserve newlines
          echo "$BODY" > /tmp/release_body.md

          # collect asset download URLs
          echo "$RELEASE" | jq -r '.assets[].browser_download_url' > /tmp/asset_urls.txt

      - name: Check if release already exists
        id: check
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG="${{ steps.upstream.outputs.tag }}"
          if gh release view "$TAG" >/dev/null 2>&1; then
            echo "exists=true" >> "$GITHUB_OUTPUT"
          else
            echo "exists=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Download assets
        if: steps.check.outputs.exists == 'false'
        run: |
          mkdir -p /tmp/assets
          while IFS= read -r url; do
            echo "Downloading $url"
            curl -fL -o "/tmp/assets/$(basename "$url")" "$url"
          done < /tmp/asset_urls.txt

      - name: Create release with assets
        if: steps.check.outputs.exists == 'false'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG="${{ steps.upstream.outputs.tag }}"
          NAME="${{ steps.upstream.outputs.name }}"

          ASSET_ARGS=""
          for f in /tmp/assets/*; do
            ASSET_ARGS="$ASSET_ARGS $f"
          done

          gh release create "$TAG" \
            --title "$NAME" \
            --notes-file /tmp/release_body.md \
            $ASSET_ARGS