on:
  schedule:
    - cron: '0 0 * * *'
    
jobs:
  update-instances:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    - name: Install dependencies
      run: sudo apt-get install -y jq
    - name: Fetch instances
      run: |
        function apply_update() {
          mv services-tmp.json services.json
          rm -f *-tmp.json
        }
        
        # ==============================================================
        # Git config
        # ==============================================================
        git config --global user.name github-actions
        git config --global user.email 41898282+github-actions[bot]@users.noreply.github.com
        git remote set-url origin git@github.com:benbusby/farside.git
        git checkout main
        
        # ==============================================================
        # Searx update
        # ==============================================================
        curl -s https://searx.space/data/instances.json | \
          jq '[
            .instances |
            to_entries[] |
            select(.value.network_type == "normal") |
            select(.value.http.error == null) |
            select(.value.tls != null) |
            .key
          ] | sort' > searx-tmp.json

        jq --slurpfile searx searx-tmp.json \
          '( .[] | select(.type == "searx") )
          .instances |= $searx[0]' services.json > services-tmp.json

        apply_update
        
        # ==============================================================
        # TODO: Update instances for other services
        # ==============================================================
        
        # ==============================================================
        # Push changes
        # ==============================================================
        if [[ $(git diff-index --quiet HEAD) ]]; then
          echo "No updates"
        else
          git add services.json
          git commit -m '[CI] Auto update instances'
          git push
        fi