{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://example.invalid/mosaic/chat-01c/draft-1",
  "title": "CHAT-01C private request and safe projection drafts",
  "oneOf": [
    {
      "$ref": "#/$defs/privateClientRequest"
    },
    {
      "$ref": "#/$defs/privateStatePage"
    },
    {
      "$ref": "#/$defs/uploadRange"
    },
    {
      "$ref": "#/$defs/privateRecovery"
    },
    {
      "$ref": "#/$defs/privateRefusal"
    },
    {
      "$ref": "#/$defs/privateTextPreview"
    }
  ],
  "$defs": {
    "id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$"
    },
    "revision": {
      "type": "integer",
      "minimum": 1,
      "maximum": 9007199254740991
    },
    "digest": {
      "type": "string",
      "pattern": "^[a-f0-9]{64}$"
    },
    "target": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "conversation": {
          "$ref": "#/$defs/id"
        },
        "branch": {
          "$ref": "#/$defs/id"
        },
        "execution": {
          "$ref": "#/$defs/id"
        },
        "controllerGeneration": {
          "$ref": "#/$defs/revision"
        }
      },
      "required": [
        "conversation",
        "branch",
        "execution",
        "controllerGeneration"
      ]
    },
    "privateClientRequest": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "version",
        "kind",
        "id",
        "connection",
        "conversation",
        "command"
      ],
      "properties": {
        "version": {
          "const": 1
        },
        "kind": {
          "const": "privateClientRequest"
        },
        "id": {
          "$ref": "#/$defs/id"
        },
        "connection": {
          "$ref": "#/$defs/id"
        },
        "conversation": {
          "$ref": "#/$defs/id"
        },
        "command": {
          "oneOf": [
            {
              "type": "object",
              "additionalProperties": false,
              "required": [
                "operation",
                "cursor",
                "limit"
              ],
              "properties": {
                "operation": {
                  "const": "read-private-state"
                },
                "cursor": {
                  "anyOf": [
                    {
                      "$ref": "#/$defs/id"
                    },
                    {
                      "type": "null"
                    }
                  ]
                },
                "limit": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 100
                }
              }
            },
            {
              "type": "object",
              "additionalProperties": false,
              "required": [
                "operation",
                "upload",
                "revision",
                "offset",
                "length"
              ],
              "properties": {
                "operation": {
                  "const": "read-upload-range"
                },
                "upload": {
                  "$ref": "#/$defs/id"
                },
                "revision": {
                  "$ref": "#/$defs/revision"
                },
                "offset": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 20971520
                },
                "length": {
                  "type": "integer",
                  "minimum": 1,
                  "maximum": 262144
                }
              }
            },
            {
              "type": "object",
              "additionalProperties": false,
              "required": [
                "operation",
                "item",
                "revision",
                "payloadDigest"
              ],
              "properties": {
                "operation": {
                  "const": "recover-refused-draft"
                },
                "item": {
                  "$ref": "#/$defs/id"
                },
                "revision": {
                  "$ref": "#/$defs/revision"
                },
                "payloadDigest": {
                  "type": "string",
                  "pattern": "^[a-f0-9]{64}$"
                }
              }
            },
            {
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "operation": {
                  "const": "preview-upload-text"
                },
                "upload": {
                  "$ref": "#/$defs/id"
                },
                "revision": {
                  "$ref": "#/$defs/revision"
                }
              },
              "required": [
                "operation",
                "upload",
                "revision"
              ]
            }
          ]
        }
      }
    },
    "draftView": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "draft"
        },
        "id": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "text": {
          "type": "string",
          "maxLength": 262144
        },
        "state": {
          "enum": [
            "unsent",
            "submitted",
            "discarded"
          ]
        },
        "attachments": {
          "type": "array",
          "maxItems": 10,
          "uniqueItems": true,
          "items": {
            "$ref": "#/$defs/id"
          }
        },
        "recoveredFrom": {
          "anyOf": [
            {
              "$ref": "#/$defs/id"
            },
            {
              "type": "null"
            }
          ]
        },
        "branch": {
          "$ref": "#/$defs/id"
        }
      },
      "required": [
        "kind",
        "id",
        "revision",
        "text",
        "state",
        "attachments",
        "recoveredFrom",
        "branch"
      ]
    },
    "uploadView": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "upload"
        },
        "id": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "filename": {
          "type": "string",
          "maxLength": 255
        },
        "mediaType": {
          "type": "string",
          "maxLength": 127
        },
        "size": {
          "type": "integer",
          "minimum": 1,
          "maximum": 20971520
        },
        "digest": {
          "$ref": "#/$defs/digest"
        },
        "state": {
          "enum": [
            "receiving",
            "staged",
            "transferring",
            "delivered",
            "sent",
            "rejected",
            "discarded"
          ]
        },
        "receivedBytes": {
          "type": "integer",
          "minimum": 0,
          "maximum": 20971520
        }
      },
      "required": [
        "kind",
        "id",
        "revision",
        "filename",
        "mediaType",
        "size",
        "digest",
        "state",
        "receivedBytes"
      ]
    },
    "queueView": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "queue"
        },
        "id": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "state": {
          "enum": [
            "admitted",
            "queued",
            "dispatched",
            "acknowledged",
            "working",
            "finished",
            "failed",
            "delivery-unknown",
            "recovered-as-draft",
            "recovery-failed",
            "dispatch-refused",
            "rejected"
          ]
        },
        "payloadDigest": {
          "$ref": "#/$defs/digest"
        },
        "reason": {
          "anyOf": [
            {
              "$ref": "#/$defs/id"
            },
            {
              "type": "null"
            }
          ]
        },
        "request": {
          "$ref": "#/$defs/id"
        },
        "draft": {
          "$ref": "#/$defs/id"
        },
        "target": {
          "$ref": "#/$defs/target"
        },
        "frozenInputState": {
          "enum": [
            "available",
            "integrity-unavailable"
          ]
        },
        "frozenInput": {
          "anyOf": [
            {
              "$ref": "#/$defs/frozenInputView"
            },
            {
              "type": "null"
            }
          ]
        }
      },
      "required": [
        "kind",
        "id",
        "revision",
        "state",
        "payloadDigest",
        "reason",
        "request",
        "draft",
        "target",
        "frozenInputState",
        "frozenInput"
      ],
      "allOf": [
        {
          "if": {
            "properties": {
              "frozenInputState": {
                "const": "available"
              }
            }
          },
          "then": {
            "properties": {
              "frozenInput": {
                "$ref": "#/$defs/frozenInputView"
              }
            }
          },
          "else": {
            "properties": {
              "frozenInput": {
                "type": "null"
              }
            }
          }
        }
      ]
    },
    "receiptView": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "receipt"
        },
        "id": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "request": {
          "$ref": "#/$defs/id"
        },
        "state": {
          "enum": [
            "admitted",
            "queued",
            "dispatched",
            "acknowledged",
            "working",
            "finished",
            "failed",
            "delivery-unknown",
            "recovered-as-draft",
            "recovery-failed",
            "dispatch-refused",
            "rejected"
          ]
        },
        "reason": {
          "anyOf": [
            {
              "$ref": "#/$defs/id"
            },
            {
              "type": "null"
            }
          ]
        }
      },
      "required": [
        "kind",
        "id",
        "revision",
        "request",
        "state",
        "reason"
      ]
    },
    "confirmationView": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "kind": {
          "const": "confirmation"
        },
        "id": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "operation": {
          "enum": [
            "force-stop",
            "recover",
            "acquire-recovery-control"
          ]
        },
        "target": {
          "$ref": "#/$defs/target"
        },
        "state": {
          "enum": [
            "pending",
            "confirmed",
            "consumed",
            "expired",
            "cancelled",
            "reconfirm-required"
          ]
        },
        "expiresAt": {
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991
        },
        "stop": {
          "anyOf": [
            {
              "$ref": "#/$defs/id"
            },
            {
              "type": "null"
            }
          ]
        }
      },
      "required": [
        "kind",
        "id",
        "revision",
        "operation",
        "target",
        "state",
        "expiresAt",
        "stop"
      ]
    },
    "privateStatePage": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "version": {
          "const": 1
        },
        "kind": {
          "const": "privateStatePage"
        },
        "actor": {
          "$ref": "#/$defs/id"
        },
        "conversation": {
          "$ref": "#/$defs/id"
        },
        "snapshot": {
          "$ref": "#/$defs/id"
        },
        "sourceRevision": {
          "$ref": "#/$defs/revision"
        },
        "items": {
          "type": "array",
          "maxItems": 100,
          "items": {
            "oneOf": [
              {
                "$ref": "#/$defs/draftView"
              },
              {
                "$ref": "#/$defs/uploadView"
              },
              {
                "$ref": "#/$defs/queueView"
              },
              {
                "$ref": "#/$defs/receiptView"
              },
              {
                "$ref": "#/$defs/confirmationView"
              }
            ]
          }
        },
        "nextCursor": {
          "anyOf": [
            {
              "$ref": "#/$defs/id"
            },
            {
              "type": "null"
            }
          ]
        }
      },
      "required": [
        "version",
        "kind",
        "actor",
        "conversation",
        "snapshot",
        "sourceRevision",
        "items",
        "nextCursor"
      ]
    },
    "uploadRange": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "version": {
          "const": 1
        },
        "kind": {
          "const": "uploadRange"
        },
        "upload": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "offset": {
          "type": "integer",
          "minimum": 0,
          "maximum": 20971520
        },
        "length": {
          "type": "integer",
          "minimum": 1,
          "maximum": 262144
        },
        "total": {
          "type": "integer",
          "minimum": 1,
          "maximum": 20971520
        },
        "digest": {
          "$ref": "#/$defs/digest"
        },
        "rangeDigest": {
          "$ref": "#/$defs/digest"
        },
        "dataBase64": {
          "type": "string",
          "maxLength": 349528,
          "pattern": "^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$"
        },
        "disposition": {
          "const": "attachment"
        },
        "mediaType": {
          "const": "application/octet-stream"
        }
      },
      "required": [
        "version",
        "kind",
        "upload",
        "revision",
        "offset",
        "length",
        "total",
        "digest",
        "rangeDigest",
        "dataBase64",
        "disposition",
        "mediaType"
      ]
    },
    "privateRecovery": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "version": {
          "const": 1
        },
        "kind": {
          "const": "privateRecovery"
        },
        "item": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "draft": {
          "$ref": "#/$defs/id"
        },
        "state": {
          "const": "recovered-as-draft"
        }
      },
      "required": [
        "version",
        "kind",
        "item",
        "revision",
        "draft",
        "state"
      ]
    },
    "privateRefusal": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "version": {
          "const": 1
        },
        "kind": {
          "const": "privateRefusal"
        },
        "request": {
          "$ref": "#/$defs/id"
        },
        "reason": {
          "enum": [
            "request",
            "operation",
            "channel",
            "grant",
            "scope",
            "cursor",
            "projection-size",
            "upload",
            "integrity",
            "range",
            "item",
            "conflicting-request",
            "state",
            "preview"
          ]
        }
      },
      "required": [
        "version",
        "kind",
        "request",
        "reason"
      ]
    },
    "privateTextPreview": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "version": {
          "const": 1
        },
        "kind": {
          "const": "privateTextPreview"
        },
        "upload": {
          "$ref": "#/$defs/id"
        },
        "revision": {
          "$ref": "#/$defs/revision"
        },
        "digest": {
          "$ref": "#/$defs/digest"
        },
        "text": {
          "type": "string",
          "maxLength": 1572864
        },
        "renderMode": {
          "const": "textContent-only"
        }
      },
      "required": [
        "version",
        "kind",
        "upload",
        "revision",
        "digest",
        "text",
        "renderMode"
      ]
    },
    "frozenInputView": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "branch": {
          "$ref": "#/$defs/id"
        },
        "draftRevision": {
          "$ref": "#/$defs/revision"
        },
        "text": {
          "type": "string",
          "maxLength": 262144
        },
        "uploads": {
          "type": "array",
          "maxItems": 10,
          "items": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "id": {
                "$ref": "#/$defs/id"
              },
              "revision": {
                "$ref": "#/$defs/revision"
              },
              "filename": {
                "type": "string",
                "maxLength": 255
              },
              "size": {
                "type": "integer",
                "minimum": 1,
                "maximum": 20971520
              },
              "digest": {
                "$ref": "#/$defs/digest"
              }
            },
            "required": [
              "id",
              "revision",
              "filename",
              "size",
              "digest"
            ]
          }
        }
      },
      "required": [
        "branch",
        "draftRevision",
        "text",
        "uploads"
      ]
    }
  }
}