{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://liftradar.eu/schema/history.schema.json",
  "$defs": {
    "HistoryRuns": {
      "additionalProperties": false,
      "description": "One list per value with an entry per run, oldest first; null where that run's report had no value.",
      "properties": {
        "time": {
          "items": {
            "format": "date-time",
            "type": "string"
          },
          "title": "Time",
          "type": "array"
        },
        "status": {
          "items": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Status",
          "type": "array"
        },
        "lifts_open": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Lifts Open",
          "type": "array"
        },
        "lifts_total": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Lifts Total",
          "type": "array"
        },
        "slopes_open": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Slopes Open",
          "type": "array"
        },
        "slopes_total": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Slopes Total",
          "type": "array"
        },
        "slopes_open_km": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "number"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Slopes Open Km",
          "type": "array"
        },
        "mountain_cm": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Mountain Cm",
          "type": "array"
        },
        "valley_cm": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Valley Cm",
          "type": "array"
        },
        "fresh_cm": {
          "items": {
            "anyOf": [
              {
                "minimum": 0,
                "type": "integer"
              },
              {
                "type": "null"
              }
            ]
          },
          "title": "Fresh Cm",
          "type": "array"
        }
      },
      "required": [
        "time",
        "status",
        "lifts_open",
        "lifts_total",
        "slopes_open",
        "slopes_total",
        "slopes_open_km",
        "mountain_cm",
        "valley_cm",
        "fresh_cm"
      ],
      "title": "HistoryRuns",
      "type": "object"
    }
  },
  "additionalProperties": false,
  "description": "Key numbers of one resort's runs over the last year, for graphs; built from the archive.",
  "properties": {
    "$schema": {
      "const": "https://liftradar.eu/schema/history.schema.json",
      "default": "https://liftradar.eu/schema/history.schema.json",
      "title": "$Schema",
      "type": "string"
    },
    "id": {
      "pattern": "^[a-z0-9-]+$",
      "title": "Id",
      "type": "string"
    },
    "country": {
      "pattern": "^[a-z]{2}$",
      "title": "Country",
      "type": "string"
    },
    "name": {
      "minLength": 1,
      "title": "Name",
      "type": "string"
    },
    "runs": {
      "$ref": "#/$defs/HistoryRuns"
    }
  },
  "required": [
    "$schema",
    "id",
    "country",
    "name",
    "runs"
  ],
  "title": "Past runs of one resort, for graphs",
  "type": "object"
}