{
  "argumentSchema": {
    "$defs": {
      "IframeInputData": {
        "properties": {
          "setup": {
            "$ref": "#/$defs/RingLoopsSetup",
            "description": "The rings and the scale of this piece."
          },
          "viewerName": {
            "description": "Profile name of whoever is viewing, or the empty string where unknown.",
            "type": "string"
          }
        },
        "required": [
          "setup",
          "viewerName"
        ],
        "type": "object"
      },
      "IframeOutputData": {
        "properties": {
          "color": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "description": "Color of the notes this user places; `null` selects one from the user."
          },
          "mutedRingIds": {
            "description": "Identifiers of the rings this user has silenced.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "volume": {
            "description": "Playback volume from 0 to 1.",
            "type": "number"
          }
        },
        "required": [
          "color",
          "volume",
          "mutedRingIds"
        ],
        "type": "object"
      },
      "RingLoopsSetup": {
        "properties": {
          "rings": {
            "description": "Rings from the innermost outward.",
            "items": {
              "$ref": "#/$defs/RingSpec"
            },
            "type": "array"
          },
          "rootMidi": {
            "description": "MIDI note number of the lowest lane of an untransposed ring.",
            "type": "number"
          },
          "scale": {
            "description": "Semitones each lane sits above the root; its length is the lane count.",
            "items": {
              "type": "number"
            },
            "type": "array"
          },
          "title": {
            "description": "Heading shown above the controls.",
            "type": "string"
          }
        },
        "required": [
          "title",
          "rings",
          "rootMidi",
          "scale"
        ],
        "type": "object"
      },
      "RingSpec": {
        "properties": {
          "beats": {
            "description": "Whole beats the ring's hand takes to complete one turn.",
            "type": "number"
          },
          "id": {
            "description": "Stable identifier that placed notes name their ring by.",
            "type": "string"
          },
          "label": {
            "description": "Name shown beside the ring's mute control.",
            "type": "string"
          },
          "transpose": {
            "description": "Semitones added to the root for this ring's lanes; drums ignore it.",
            "type": "number"
          },
          "voice": {
            "$ref": "#/$defs/RingVoice",
            "description": "Instrument the ring's notes sound on."
          }
        },
        "required": [
          "id",
          "label",
          "voice",
          "beats",
          "transpose"
        ],
        "type": "object"
      },
      "RingVoice": {
        "enum": [
          "drums",
          "bass",
          "pluck",
          "bell"
        ]
      }
    },
    "properties": {
      "input": {
        "$ref": "#/$defs/IframeInputData",
        "default": {
          "setup": {
            "rings": [
              {
                "beats": 4,
                "id": "drums",
                "label": "Drums",
                "transpose": 0,
                "voice": "drums"
              },
              {
                "beats": 5,
                "id": "bells",
                "label": "Bells",
                "transpose": 12,
                "voice": "bell"
              },
              {
                "beats": 6,
                "id": "bass",
                "label": "Bass",
                "transpose": -24,
                "voice": "bass"
              },
              {
                "beats": 8,
                "id": "pluck",
                "label": "Pluck",
                "transpose": 0,
                "voice": "pluck"
              }
            ],
            "rootMidi": 57,
            "scale": [
              0,
              3,
              5,
              7,
              10
            ],
            "title": "Ring Loops"
          },
          "viewerName": ""
        }
      },
      "output": {
        "$ref": "#/$defs/IframeOutputData",
        "asCell": [
          {
            "kind": "cell",
            "scope": "user"
          }
        ],
        "default": {
          "color": null,
          "mutedRingIds": [],
          "volume": 0.7
        }
      }
    },
    "type": "object"
  },
  "pattern": "iframe-ring-loops/frame.tsx",
  "resultSchema": {
    "$defs": {
      "IframeOutputData": {
        "properties": {
          "color": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "description": "Color of the notes this user places; `null` selects one from the user."
          },
          "mutedRingIds": {
            "description": "Identifiers of the rings this user has silenced.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "volume": {
            "description": "Playback volume from 0 to 1.",
            "type": "number"
          }
        },
        "required": [
          "color",
          "volume",
          "mutedRingIds"
        ],
        "type": "object"
      },
      "IframeStateData": {
        "properties": {
          "notes": {
            "additionalProperties": {
              "anyOf": [
                {
                  "$ref": "#/$defs/PlacedNote"
                },
                {
                  "type": "null"
                }
              ]
            },
            "description": "Notes by cell key; `null` marks a cell whose note was removed.",
            "properties": {},
            "type": "object"
          },
          "tempoBpm": {
            "description": "Tempo every browser plays at, in beats per minute.",
            "type": "number"
          }
        },
        "required": [
          "notes",
          "tempoBpm"
        ],
        "type": "object"
      },
      "PlacedNote": {
        "properties": {
          "authorId": {
            "description": "Who placed the note: the per-user instance for a note placed in the\nbrowser, or the caller's DID for one placed through a verb.",
            "type": "string"
          },
          "authorName": {
            "description": "Name its author went by when placing it; absent where none was known.",
            "type": "string"
          },
          "color": {
            "description": "CSS color the note is drawn in, as its author chose it.",
            "type": "string"
          },
          "lane": {
            "description": "Lane within the ring's band, from 0 at its inner edge; picks the pitch.",
            "type": "number"
          },
          "ringId": {
            "description": "Identifier of the ring holding the note.",
            "type": "string"
          },
          "step": {
            "description": "Sixteenth-note position along the ring, clockwise from the top.",
            "type": "number"
          }
        },
        "required": [
          "ringId",
          "step",
          "lane",
          "authorId",
          "color"
        ],
        "type": "object"
      }
    },
    "properties": {
      "$NAME": {
        "type": "string"
      },
      "$UI": {
        "$ref": "https://commonfabric.org/schemas/vnode.json"
      },
      "output": {
        "$ref": "#/$defs/IframeOutputData"
      },
      "state": {
        "$ref": "#/$defs/IframeStateData"
      }
    },
    "required": [
      "state",
      "output",
      "$NAME",
      "$UI"
    ],
    "type": "object"
  }
}