{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/nus/refs/heads/main/json-schema/nus-venueinformation-schema.json",
  "title": "NUS VenueInformation",
  "description": "Per-venue availability and scheduled classes as returned by the NUSMods API endpoint /{acadYear}/semesters/{semester}/venueInformation.json. Derived from the NUSMods OpenAPI 3.0.1 VenueInformation schema.",
  "type": "object",
  "properties": {
    "day": {
      "type": "string",
      "enum": ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
    },
    "classes": {
      "type": "array",
      "items": { "$ref": "#/$defs/VenueLesson" }
    },
    "availability": {
      "type": "object",
      "description": "Map of half-hourly time slot to occupancy status.",
      "additionalProperties": { "type": "string", "enum": ["occupied"] },
      "examples": [{ "0900": "occupied", "0930": "occupied", "1000": "occupied" }]
    }
  },
  "$defs": {
    "VenueLesson": {
      "type": "object",
      "required": ["classNo", "startTime", "endTime", "weeks", "venue", "lessonType", "moduleCode"],
      "properties": {
        "moduleCode": { "type": "string", "examples": ["CS1010S"] },
        "classNo": { "type": "string" },
        "startTime": { "type": "string" },
        "endTime": { "type": "string" },
        "weeks": {
          "oneOf": [
            { "type": "object" },
            { "type": "array", "items": { "type": "number" } }
          ]
        },
        "venue": { "type": "string" },
        "day": { "type": "string" },
        "lessonType": { "type": "string" },
        "size": { "type": "number" }
      }
    }
  }
}