# Draft Patch — OpenAPI Interaktif Extension (Tidak Langsung Mengubah File Utama)
# Tujuan: Menyediakan perubahan skema untuk ditinjau dan kemudian di-merge ke `openapi.yaml`.
# Status: x-draft: true

openapi: 3.0.3
info:
  title: LMS-BGN Interactive Extension (Draft)
  version: 0.0.1
x-draft: true

components:
  schemas:
    ExamSessionCreateRequest:
      type: object
      properties:
        examId: { type: string }
        userId: { type: string }
        isInteractive: { type: boolean, description: "Optional, overrides exam metadata" }
        idempotencyKey: { type: string }
        clientContext:
          type: object
          properties:
            device: { type: string }
            appVersion: { type: string }
            locale: { type: string }

    # Union item untuk answers[]
    EnhancedMcqAnswer:
      type: object
      required: [questionId, type, choiceIndex]
      properties:
        questionId: { type: string }
        type: { type: string, enum: [enhanced_mcq] }
        choiceIndex: { type: integer }
        confidence: { type: integer, minimum: 0, maximum: 5 }

    VideoScenarioAnswer:
      type: object
      required: [questionId, type, scenarioAnswers]
      properties:
        questionId: { type: string }
        type: { type: string, enum: [video_scenario] }
        scenarioAnswers:
          type: array
          items:
            type: object
            required: [stepId, selectedOptionId]
            properties:
              stepId: { type: string }
              selectedOptionId: { type: string }

    ImageHotspotAnswer:
      type: object
      required: [questionId, type, selectedHotspots]
      properties:
        questionId: { type: string }
        type: { type: string, enum: [image_hotspot] }
        selectedHotspots:
          type: array
          items: { type: string }

    MediaGalleryAnswer:
      type: object
      required: [questionId, type, viewedItems]
      properties:
        questionId: { type: string }
        type: { type: string, enum: [media_gallery] }
        viewedItems:
          type: array
          items: { type: string }

    PuzzleAnswer:
      type: object
      required: [questionId, type, matches]
      properties:
        questionId: { type: string }
        type: { type: string, enum: [puzzle] }
        matches:
          type: array
          items:
            type: object
            required: [pieceId, targetId]
            properties:
              pieceId: { type: string }
              targetId: { type: string }

    ScenarioAnswer:
      type: object
      required: [questionId, type, selectedOptionId]
      properties:
        questionId: { type: string }
        type: { type: string, enum: [scenario] }
        selectedOptionId: { type: string }

    ExamScoreRequest:
      type: object
      properties:
        mode: { type: string, enum: [batch, stream] }
        idempotencyKey: { type: string }
        answers:
          type: array
          items:
            oneOf:
              - $ref: '#/components/schemas/EnhancedMcqAnswer'
              - $ref: '#/components/schemas/VideoScenarioAnswer'
              - $ref: '#/components/schemas/ImageHotspotAnswer'
              - $ref: '#/components/schemas/MediaGalleryAnswer'
              - $ref: '#/components/schemas/PuzzleAnswer'
              - $ref: '#/components/schemas/ScenarioAnswer'

    # Detail union untuk Summary
    EnhancedMcqDetails:
      type: object
      properties:
        choiceIndex: { type: integer }
        confidence: { type: integer, minimum: 0, maximum: 5 }

    VideoScenarioDetails:
      type: object
      properties:
        steps:
          type: array
          items:
            type: object
            properties:
              stepId: { type: string }
              selectedOptionId: { type: string }
              isCorrect: { type: boolean }
              earnedPoints: { type: number }

    ImageHotspotDetails:
      type: object
      properties:
        selectedHotspots:
          type: array
          items: { type: string }
        correctHotspots:
          type: array
          items: { type: string }

    MediaGalleryDetails:
      type: object
      properties:
        viewedItems:
          type: array
          items: { type: string }
        requiredItems:
          type: array
          items: { type: string }
        completionRate: { type: number }

    PuzzleDetails:
      type: object
      properties:
        matches:
          type: array
          items:
            type: object
            properties:
              pieceId: { type: string }
              targetId: { type: string }
        correctPairs: { type: integer }
        earnedPoints: { type: number }

    ScenarioDetails:
      type: object
      properties:
        selectedOptionId: { type: string }
        isCorrect: { type: boolean }

    ExamSummaryResponseAnswer:
      type: object
      properties:
        questionId: { type: string }
        question: { type: string }
        userAnswer: { type: string }
        correctAnswer: { type: string }
        isCorrect: { type: boolean }
        type: { type: string, enum: [enhanced_mcq, video_scenario, image_hotspot, media_gallery, puzzle, scenario] }
        details:
          oneOf:
            - $ref: '#/components/schemas/EnhancedMcqDetails'
            - $ref: '#/components/schemas/VideoScenarioDetails'
            - $ref: '#/components/schemas/ImageHotspotDetails'
            - $ref: '#/components/schemas/MediaGalleryDetails'
            - $ref: '#/components/schemas/PuzzleDetails'
            - $ref: '#/components/schemas/ScenarioDetails'