{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "schemaVersion": {
      "type": "number",
      "const": 1
    },
    "id": {
      "type": "string",
      "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
    },
    "title": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "language": {
      "type": "string",
      "pattern": "^[a-zA-Z]{2,3}(?:-[a-zA-Z0-9]{2,8})*$"
    },
    "tags": {
      "default": [],
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
      }
    },
    "author": {
      "type": "string"
    },
    "questions": {
      "minItems": 1,
      "type": "array",
      "items": {
        "oneOf": [
          {
            "type": "object",
            "properties": {
              "id": {
                "type": "string",
                "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
              },
              "title": {
                "type": "string"
              },
              "description": {
                "type": "string"
              },
              "explanation": {
                "type": "string"
              },
              "references": {
                "type": "string"
              },
              "type": {
                "type": "string",
                "const": "single-choice"
              },
              "options": {
                "minItems": 2,
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "text": {
                      "type": "string"
                    },
                    "isCorrect": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "text",
                    "isCorrect"
                  ],
                  "additionalProperties": false
                },
                "description": "Exactly one Option in this array must have `isCorrect: true`. JSON Schema cannot enforce this cross-field rule; the Zod validator and import page are the final authority."
              }
            },
            "required": [
              "id",
              "title",
              "explanation",
              "type",
              "options"
            ],
            "additionalProperties": false,
            "description": "A single-choice Question must have exactly one Option where `isCorrect` is true. JSON Schema cannot enforce this cross-field rule; the Zod validator and import page are the final authority."
          },
          {
            "type": "object",
            "properties": {
              "id": {
                "type": "string",
                "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
              },
              "title": {
                "type": "string"
              },
              "description": {
                "type": "string"
              },
              "explanation": {
                "type": "string"
              },
              "references": {
                "type": "string"
              },
              "type": {
                "type": "string",
                "const": "multiple-choice"
              },
              "options": {
                "minItems": 2,
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "text": {
                      "type": "string"
                    },
                    "isCorrect": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "text",
                    "isCorrect"
                  ],
                  "additionalProperties": false
                },
                "description": "At least one Option in this array must have `isCorrect: true`. All Options may be correct. JSON Schema cannot enforce this cross-field rule; the Zod validator and import page are the final authority."
              }
            },
            "required": [
              "id",
              "title",
              "explanation",
              "type",
              "options"
            ],
            "additionalProperties": false,
            "description": "A multiple-choice Question must have at least one Option where `isCorrect` is true. All Options may be correct. JSON Schema cannot enforce this cross-field rule; the Zod validator and import page are the final authority."
          },
          {
            "type": "object",
            "properties": {
              "id": {
                "type": "string",
                "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
              },
              "title": {
                "type": "string"
              },
              "description": {
                "type": "string"
              },
              "explanation": {
                "type": "string"
              },
              "references": {
                "type": "string"
              },
              "type": {
                "type": "string",
                "const": "input"
              },
              "validation": {
                "oneOf": [
                  {
                    "type": "object",
                    "properties": {
                      "mode": {
                        "type": "string",
                        "const": "text"
                      },
                      "acceptedAnswers": {
                        "minItems": 1,
                        "type": "array",
                        "items": {
                          "type": "string"
                        }
                      },
                      "caseSensitive": {
                        "type": "boolean"
                      }
                    },
                    "required": [
                      "mode",
                      "acceptedAnswers"
                    ],
                    "additionalProperties": false
                  },
                  {
                    "type": "object",
                    "properties": {
                      "mode": {
                        "type": "string",
                        "const": "numeric"
                      },
                      "acceptedAnswers": {
                        "minItems": 1,
                        "type": "array",
                        "items": {
                          "type": "number"
                        }
                      },
                      "tolerance": {
                        "type": "number",
                        "minimum": 0
                      }
                    },
                    "required": [
                      "mode",
                      "acceptedAnswers"
                    ],
                    "additionalProperties": false
                  }
                ]
              }
            },
            "required": [
              "id",
              "title",
              "explanation",
              "type",
              "validation"
            ],
            "additionalProperties": false
          }
        ]
      },
      "description": "Question ids must be unique within the Quiz. JSON Schema cannot enforce this cross-field rule; the Zod validator and import page are the final authority."
    }
  },
  "required": [
    "schemaVersion",
    "id",
    "title",
    "questions"
  ],
  "additionalProperties": false,
  "title": "Quiz Object Standard v1",
  "description": "The published JSON Schema artifact for Quizbun's Quiz Object Standard v1. This artifact is generated from the Zod schema; the Zod validator and import page are the final authority."
}