{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/r/refs/heads/main/json-schema/r-download-stats-schema.json",
  "title": "CRAN Package Download Statistics",
  "description": "Schema for CRAN package download statistics from the METACRAN CranLogs API",
  "type": "object",
  "properties": {
    "package": {
      "type": "string",
      "description": "R package name",
      "example": "ggplot2"
    },
    "start": {
      "type": "string",
      "format": "date",
      "description": "Start date of the download period",
      "example": "2024-01-01"
    },
    "end": {
      "type": "string",
      "format": "date",
      "description": "End date of the download period",
      "example": "2024-01-07"
    },
    "downloads": {
      "oneOf": [
        {
          "type": "integer",
          "description": "Total download count for the period",
          "example": 142835
        },
        {
          "type": "array",
          "description": "Daily breakdown of download counts",
          "items": {
            "type": "object",
            "properties": {
              "day": {
                "type": "string",
                "format": "date",
                "description": "Date of the download count"
              },
              "downloads": {
                "type": "integer",
                "description": "Downloads on that day"
              }
            },
            "required": ["day", "downloads"]
          }
        }
      ]
    }
  },
  "required": ["package", "start", "end", "downloads"]
}