{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "schema for Sync pings, documentation avaliable in toolkit/components/telemetry/docs/sync-ping.rst",
  "type": "object",
  "additionalProperties": false,
  "required": ["version", "syncs", "why", "uid"],
  "properties": {
    "version": { "type": "integer", "minimum": 0 },
    "os": { "type": "object" },
    "discarded": { "type": "integer", "minimum": 1 },
    "why": { "enum": ["shutdown", "schedule", "idchange"] },
    "uid": {
      "type": "string",
      "pattern": "^[0-9a-f]{32}$"
    },
    "deviceID": {
      "type": "string",
      "pattern": "^[0-9a-f]{64}$"
    },
    "devices": {
      "type": "array",
      "items": { "$ref": "#/definitions/device" }
    },
    "sessionStartDate": { "type": "string" },
    "syncs": {
      "type": "array",
      "minItems": 0,
      "items": { "$ref": "#/definitions/payload" }
    },
    "syncNodeType": {
      "type": "string"
    },
    "events": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/definitions/event" }
    },
    "migrations": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/definitions/migration" }
    },
    "histograms": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "min": { "type": "integer" },
          "max": { "type": "integer" },
          "histogram_type": { "type": "integer" },
          "sum": { "type": "integer" },
          "ranges": { "type": "array" },
          "counts": { "type": "array" }
        }
      }
    }
  },
  "definitions": {
    "payload": {
      "type": "object",
      "additionalProperties": false,
      "required": ["when", "took"],
      "properties": {
        "didLogin": { "type": "boolean" },
        "when": { "type": "integer" },
        "status": {
          "type": "object",
          "anyOf": [{ "required": ["sync"] }, { "required": ["service"] }],
          "additionalProperties": false,
          "properties": {
            "sync": { "type": "string" },
            "service": { "type": "string" }
          }
        },
        "why": { "type": "string" },
        "took": { "type": "integer", "minimum": -1 },
        "failureReason": { "$ref": "#/definitions/error" },
        "engines": {
          "type": "array",
          "minItems": 1,
          "items": { "$ref": "#/definitions/engine" }
        }
      }
    },
    "device": {
      "required": ["id"],
      "additionalProperties": false,
      "type": "object",
      "properties": {
        "id": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
        "os": { "type": "string" },
        "version": { "type": "string" },
        "type": { "type": "string" },
        "syncID": { "type": "string", "pattern": "^[0-9a-f]{64}$" }
      }
    },
    "engine": {
      "required": ["name"],
      "additionalProperties": false,
      "properties": {
        "failureReason": { "$ref": "#/definitions/error" },
        "name": { "type": "string" },
        "took": { "type": "integer", "minimum": 1 },
        "status": { "type": "string" },
        "incoming": {
          "type": "object",
          "additionalProperties": false,
          "anyOf": [{ "required": ["applied"] }, { "required": ["failed"] }],
          "properties": {
            "applied": { "type": "integer", "minimum": 1 },
            "failed": { "type": "integer", "minimum": 1 },
            "failedReasons": {
              "type": "array",
              "minItems": 1,
              "$ref": "#/definitions/namedCount"
            }
          }
        },
        "outgoing": {
          "type": "array",
          "minItems": 1,
          "items": { "$ref": "#/definitions/outgoingBatch" }
        },
        "steps": {
          "type": "array",
          "minItems": 1,
          "$ref": "#/definitions/step"
        },
        "validation": {
          "type": "object",
          "additionalProperties": false,
          "anyOf": [
            { "required": ["checked"] },
            { "required": ["failureReason"] }
          ],
          "properties": {
            "checked": { "type": "integer", "minimum": 0 },
            "failureReason": { "$ref": "#/definitions/error" },
            "took": { "type": "integer" },
            "version": { "type": "integer" },
            "problems": {
              "type": "array",
              "minItems": 1,
              "$ref": "#/definitions/namedCount"
            }
          }
        }
      }
    },
    "outgoingBatch": {
      "type": "object",
      "additionalProperties": false,
      "anyOf": [{ "required": ["sent"] }, { "required": ["failed"] }],
      "properties": {
        "sent": { "type": "integer", "minimum": 1 },
        "failed": { "type": "integer", "minimum": 1 },
        "failedReasons": {
          "type": "array",
          "minItems": 1,
          "$ref": "#/definitions/namedCount"
        }
      }
    },
    "event": {
      "type": "array",
      "minItems": 4,
      "maxItems": 6
    },
    "migration": {
      "oneOf": [{ "$ref": "#/definitions/webextMigration" }]
    },
    "webextMigration": {
      "required": ["type"],
      "properties": {
        "type": { "enum": ["webext-storage"] },
        "entries": { "type": "integer" },
        "entriesSuccessful": { "type": "integer" },
        "extensions": { "type": "integer" },
        "extensionsSuccessful": { "type": "integer" },
        "openFailure": { "type": "boolean" }
      }
    },
    "error": {
      "oneOf": [
        { "$ref": "#/definitions/httpError" },
        { "$ref": "#/definitions/nsError" },
        { "$ref": "#/definitions/shutdownError" },
        { "$ref": "#/definitions/authError" },
        { "$ref": "#/definitions/otherError" },
        { "$ref": "#/definitions/unexpectedError" },
        { "$ref": "#/definitions/sqlError" }
      ]
    },
    "httpError": {
      "required": ["name", "code"],
      "properties": {
        "name": { "enum": ["httperror"] },
        "code": { "type": "integer" }
      }
    },
    "nsError": {
      "required": ["name", "code"],
      "properties": {
        "name": { "enum": ["nserror"] },
        "code": { "type": "integer" }
      }
    },
    "shutdownError": {
      "required": ["name"],
      "properties": {
        "name": { "enum": ["shutdownerror"] }
      }
    },
    "authError": {
      "required": ["name"],
      "properties": {
        "name": { "enum": ["autherror"] },
        "from": { "enum": ["tokenserver", "fxaccounts", "hawkclient"] }
      }
    },
    "otherError": {
      "required": ["name"],
      "properties": {
        "name": { "enum": ["othererror"] },
        "error": { "type": "string" }
      }
    },
    "unexpectedError": {
      "required": ["name"],
      "properties": {
        "name": { "enum": ["unexpectederror"] },
        "error": { "type": "string" }
      }
    },
    "sqlError": {
      "required": ["name"],
      "properties": {
        "name": { "enum": ["sqlerror"] },
        "code": { "type": "integer" }
      }
    },
    "step": {
      "required": ["name"],
      "properties": {
        "name": { "type": "string" },
        "took": { "type": "integer", "minimum": 1 },
        "counts": {
          "type": "array",
          "minItems": 1,
          "$ref": "#/definitions/namedCount"
        }
      }
    },
    "namedCount": {
      "required": ["name", "count"],
      "properties": {
        "name": { "type": "string" },
        "count": { "type": "integer" }
      }
    }
  }
}