{
  "description": "URI parsing and formatting (PROTOCOL.md section 3)",
  "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
  "cases": [
    {
      "name": "bare channel ID",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": [],
        "token": null
      }
    },
    {
      "name": "@ hint with host and port",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3@node.example.com:8443",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": ["node.example.com:8443"],
        "token": null
      }
    },
    {
      "name": "@ hint with IP address",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3@192.168.1.100:8000",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": ["192.168.1.100:8000"],
        "token": null
      }
    },
    {
      "name": "single via hint",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3?via=relay.example.com:8443",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": ["relay.example.com:8443"],
        "token": null
      }
    },
    {
      "name": "multiple via hints (comma-separated)",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3?via=relay1.example.com:8000,relay2.example.com:8443",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": ["relay1.example.com:8000", "relay2.example.com:8443"],
        "token": null
      }
    },
    {
      "name": "token only (private channel)",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3?token=secret_abc123",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": [],
        "token": "secret_abc123"
      }
    },
    {
      "name": "token and via hint",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3?token=secret_abc123&via=relay.example.com:443",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": ["relay.example.com:443"],
        "token": "secret_abc123"
      }
    },
    {
      "name": "@ hint combined with via hint",
      "uri": "tltv://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3@origin.example.com:443?via=relay.example.com:8000",
      "expected": {
        "channel_id": "TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
        "hints": ["origin.example.com:443", "relay.example.com:8000"],
        "token": null
      }
    }
  ],
  "invalid_cases": [
    {
      "name": "wrong scheme",
      "uri": "https://example.com",
      "error": "Expected tltv:// scheme"
    },
    {
      "name": "empty channel ID",
      "uri": "tltv://",
      "error": "Missing channel ID"
    },
    {
      "name": "http scheme",
      "uri": "http://TVMkVHiXF9W1NgM9KLgs7tcBMvC1YtF4Daj4yfTrJercs3",
      "error": "Expected tltv:// scheme"
    }
  ]
}