{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Open Prep Case-Practice Question Pack v3",
  "description": "Schema version 3 adds deterministic questioning prompts and five-stage full cases.",
  "type": "object",
  "additionalProperties": false,
  "required": ["format", "schemaVersion", "kind", "id", "packVersion", "title"],
  "properties": {
    "$schema": { "type": "string", "minLength": 1, "maxLength": 500 },
    "format": { "const": "math-drill-question-pack" },
    "schemaVersion": { "const": 3 },
    "kind": { "const": "case_practice" },
    "id": { "$ref": "./question-pack-v2.schema.json#/$defs/id" },
    "packVersion": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
    "title": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
    "description": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank500" },
    "publisher": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
    "license": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
    "structuringPrompts": { "$ref": "./question-pack-v2.schema.json#/$defs/caseStructuringPromptArray" },
    "brainstormingPrompts": { "$ref": "./question-pack-v2.schema.json#/$defs/brainstormingPromptArray" },
    "synthesisPrompts": { "$ref": "./question-pack-v2.schema.json#/$defs/synthesisPromptArray" },
    "lessons": { "$ref": "./question-pack-v2.schema.json#/$defs/conceptLessonArray" },
    "fitPrompts": { "$ref": "./question-pack-v2.schema.json#/$defs/fitPracticePromptArray" },
    "questioningPrompts": { "$ref": "#/$defs/questioningPromptArray" },
    "fullCases": { "$ref": "#/$defs/fullCaseSimulationArray" }
  },
  "anyOf": [
    { "required": ["structuringPrompts"] },
    { "required": ["brainstormingPrompts"] },
    { "required": ["synthesisPrompts"] },
    { "required": ["lessons"] },
    { "required": ["fitPrompts"] },
    { "required": ["questioningPrompts"] },
    { "required": ["fullCases"] }
  ],
  "$defs": {
    "questioningConcept": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "label", "aliases"],
      "properties": {
        "id": { "$ref": "./question-pack-v2.schema.json#/$defs/id" },
        "label": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank200" },
        "aliases": {
          "type": "array",
          "minItems": 1,
          "maxItems": 20,
          "items": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" }
        }
      }
    },
    "conceptIdGroup": {
      "type": "array",
      "minItems": 1,
      "maxItems": 10,
      "uniqueItems": true,
      "items": { "$ref": "./question-pack-v2.schema.json#/$defs/id" }
    },
    "questioningIntent": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "label", "feedback", "priority", "weight", "requiredConceptGroups", "referenceQuestions"],
      "properties": {
        "id": { "$ref": "./question-pack-v2.schema.json#/$defs/id" },
        "label": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank200" },
        "feedback": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank1000" },
        "priority": { "type": "boolean" },
        "weight": { "type": "number", "exclusiveMinimum": 0 },
        "requiredConceptGroups": {
          "type": "array",
          "minItems": 1,
          "maxItems": 10,
          "items": { "$ref": "#/$defs/conceptIdGroup" }
        },
        "supportingConceptIds": {
          "type": "array",
          "minItems": 1,
          "maxItems": 20,
          "uniqueItems": true,
          "items": { "$ref": "./question-pack-v2.schema.json#/$defs/id" }
        },
        "referenceQuestions": {
          "type": "array",
          "minItems": 1,
          "maxItems": 10,
          "items": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank1000" }
        }
      }
    },
    "questioningPrompt": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "title", "industry", "situation", "objective", "language", "mode", "minimumQuestions", "maximumQuestions", "concepts", "intents"],
      "properties": {
        "id": { "$ref": "./question-pack-v2.schema.json#/$defs/id" },
        "title": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
        "industry": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
        "situation": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank2000" },
        "objective": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank1000" },
        "language": { "type": "string", "minLength": 1, "maxLength": 35 },
        "mode": { "enum": ["clarifying", "diagnostic"] },
        "minimumQuestions": { "type": "integer", "minimum": 1, "maximum": 12 },
        "maximumQuestions": { "type": "integer", "minimum": 1, "maximum": 12 },
        "concepts": {
          "type": "array",
          "minItems": 1,
          "maxItems": 50,
          "items": { "$ref": "#/$defs/questioningConcept" }
        },
        "intents": {
          "type": "array",
          "minItems": 1,
          "maxItems": 20,
          "items": { "$ref": "#/$defs/questioningIntent" }
        }
      }
    },
    "questioningPromptArray": {
      "type": "array",
      "minItems": 1,
      "maxItems": 100,
      "items": { "$ref": "#/$defs/questioningPrompt" }
    },
    "fullCaseSimulation": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "client", "title", "situation", "calculationQuestionId", "questioning", "structure", "exhibit", "brainstorming", "synthesis"],
      "properties": {
        "id": { "$ref": "./question-pack-v2.schema.json#/$defs/id" },
        "client": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
        "title": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank100" },
        "situation": { "$ref": "./question-pack-v2.schema.json#/$defs/nonBlank2000" },
        "calculationQuestionId": { "$ref": "./question-pack-v2.schema.json#/$defs/id" },
        "questioning": { "$ref": "#/$defs/questioningPrompt" },
        "structure": { "$ref": "./question-pack-v2.schema.json#/$defs/caseStructuringPrompt" },
        "exhibit": { "$ref": "./question-pack-v2.schema.json#/$defs/exhibitDataset" },
        "brainstorming": { "$ref": "./question-pack-v2.schema.json#/$defs/brainstormingPrompt" },
        "synthesis": { "$ref": "./question-pack-v2.schema.json#/$defs/synthesisPrompt" }
      }
    },
    "fullCaseSimulationArray": {
      "type": "array",
      "minItems": 1,
      "maxItems": 25,
      "items": { "$ref": "#/$defs/fullCaseSimulation" }
    }
  }
}