{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/nus/refs/heads/main/json-structure/nus-module-structure.json",
  "name": "NusModule",
  "description": "JSON Structure for a full NUS module record from the NUSMods API (/{acadYear}/modules/{moduleCode}.json).",
  "type": "object",
  "properties": {
    "acadYear": { "type": "string" },
    "moduleCode": { "type": "string" },
    "title": { "type": "string" },
    "description": { "type": "string" },
    "moduleCredit": { "type": "string" },
    "department": { "type": "string" },
    "faculty": { "type": "string" },
    "prerequisite": { "type": "string" },
    "preclusion": { "type": "string" },
    "corequisite": { "type": "string" },
    "workload": {
      "type": "array",
      "items": { "type": "number" }
    },
    "semesterData": {
      "type": "array",
      "items": { "type": { "$ref": "#/definitions/SemesterData" } }
    }
  },
  "required": [
    "acadYear",
    "moduleCode",
    "title",
    "description",
    "moduleCredit",
    "department",
    "faculty",
    "workload",
    "semesterData"
  ],
  "definitions": {
    "SemesterData": {
      "type": "object",
      "properties": {
        "semester": { "type": "int32" },
        "examDate": { "type": "string", "format": "date-time" },
        "examDuration": { "type": "int32" },
        "timetable": {
          "type": "array",
          "items": { "type": { "$ref": "#/definitions/Lesson" } }
        }
      },
      "required": ["semester"]
    },
    "Lesson": {
      "type": "object",
      "properties": {
        "classNo": { "type": "string" },
        "startTime": { "type": "string" },
        "endTime": { "type": "string" },
        "venue": { "type": "string" },
        "day": { "type": "string" },
        "lessonType": { "type": "string" },
        "size": { "type": "int32" },
        "weeks": {
          "type": "array",
          "items": { "type": "int32" }
        }
      },
      "required": ["classNo", "startTime", "endTime", "weeks", "venue", "lessonType"]
    }
  }
}