{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/us-army-corps-of-engineers/refs/heads/main/json-schema/usace-timeseries-schema.json",
  "title": "USACE CWMS Timeseries",
  "description": "Schema for a CWMS timeseries response containing water management data values",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Timeseries identifier in CWMS format: location.parameter.type.interval.duration.version",
      "example": "TULA.Flow.Inst.1Hour.0.CBT-RAW"
    },
    "office-id": {
      "type": "string",
      "description": "USACE district office identifier (e.g., SWT, LRN, MVP)",
      "example": "SWT"
    },
    "units": {
      "type": "string",
      "description": "Unit of measure for the timeseries values",
      "example": "cfs"
    },
    "begin": {
      "type": "string",
      "description": "Start time of the returned data (ISO 8601)",
      "format": "date-time"
    },
    "end": {
      "type": "string",
      "description": "End time of the returned data (ISO 8601)",
      "format": "date-time"
    },
    "values": {
      "type": "array",
      "description": "Array of [timestamp-ms, value, quality-code] tuples",
      "items": {
        "type": "array",
        "minItems": 3,
        "maxItems": 3,
        "items": [
          {
            "type": "number",
            "description": "Unix timestamp in milliseconds"
          },
          {
            "type": ["number", "null"],
            "description": "Data value (null if missing or flagged)"
          },
          {
            "type": "integer",
            "description": "CWMS quality code (0=unscreened, 1=okay, 2=missing, 3=questionable, 4=rejected)"
          }
        ]
      }
    },
    "page": {
      "type": ["string", "null"],
      "description": "Current page cursor for pagination"
    },
    "next-page": {
      "type": ["string", "null"],
      "description": "Next page cursor for fetching additional data"
    }
  },
  "required": ["name", "office-id", "units", "values"]
}