{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://tltv.tv/schemas/v1/channel-metadata.json",
  "title": "TLTV Channel Metadata",
  "description": "Signed channel metadata document (PROTOCOL.md section 5).",
  "type": "object",
  "required": ["v", "seq", "id", "name", "stream", "updated", "signature"],
  "properties": {
    "v": {
      "type": "integer",
      "const": 1,
      "description": "Metadata format version. MUST be 1."
    },
    "seq": {
      "type": "integer",
      "minimum": 0,
      "description": "Unix epoch timestamp in seconds. Monotonically increasing."
    },
    "id": {
      "$ref": "defs.json#/$defs/channelId"
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64,
      "description": "Human-readable channel name. 1-64 Unicode code points."
    },
    "description": {
      "type": "string",
      "maxLength": 256,
      "description": "Channel description. Max 256 Unicode code points."
    },
    "icon": {
      "type": "string",
      "pattern": "^/",
      "description": "Absolute path to channel icon/logo image."
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 1,
        "maxLength": 32
      },
      "maxItems": 5,
      "description": "Channel categories/tags for discovery. Max 5, each 1-32 code points."
    },
    "language": {
      "type": "string",
      "pattern": "^[a-z]{2}$",
      "description": "ISO 639-1 language code."
    },
    "timezone": {
      "$ref": "defs.json#/$defs/ianaTimezone",
      "description": "Channel's preferred timezone for display. IANA timezone name."
    },
    "stream": {
      "type": "string",
      "pattern": "^/",
      "description": "Absolute path to HLS manifest."
    },
    "guide": {
      "type": "string",
      "pattern": "^/",
      "description": "Absolute path to JSON guide endpoint."
    },
    "access": {
      "type": "string",
      "enum": ["public", "token"],
      "default": "public",
      "description": "Access mode. 'public' (default) or 'token'."
    },
    "on_demand": {
      "type": "boolean",
      "description": "If true, stream starts on first viewer request."
    },
    "status": {
      "type": "string",
      "enum": ["active", "retired"],
      "default": "active",
      "description": "Channel lifecycle status. 'active' (default) or 'retired'."
    },
    "origins": {
      "type": "array",
      "items": {
        "$ref": "defs.json#/$defs/hostPort"
      },
      "description": "Origin node host:port addresses."
    },
    "updated": {
      "$ref": "defs.json#/$defs/timestampUTC"
    },
    "signature": {
      "$ref": "defs.json#/$defs/base58Signature"
    }
  },
  "additionalProperties": true
}