zhiyin/backend/src/modules/interview-review/interview-review.schema.ts

import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose'
import { Document, Types } from 'mongoose'

export type InterviewReviewDocument = InterviewReview & Document

@Schema({ timestamps: true })
export class InterviewReview {
  @Prop({ type: Types.ObjectId, ref: 'User', required: true })
  userId: Types.ObjectId

  @Prop({ required: true })
  position: string

  @Prop({ default: '' })
  company: string

  @Prop({ default: 'processing' })
  status: 'processing' | 'completed' | 'failed'

  @Prop({ type: Object, default: null })
  audioFile?: {
    hash: string
    filePath: string
    duration: number
    size: number
    mimeType: string
  }

  @Prop({ type: Object, default: null })
  transcript?: {
    fullText: string
    segments: {
      startTime: number
      endTime: number
      speaker: 'interviewer' | 'candidate'
      text: string
    }[]
  }

  @Prop({ type: Object, default: null })
  analysis?: {
    overallScore: number
    dimensions: {
      logic: number
      expression: number
      professionalism: number
      stability: number
    }
    strengths: string[]
    weaknesses: string[]
    suggestions: string[]
    questionBreakdown: {
      question: string
      answer: string
      score: number
      comment: string
      suggestedAnswer: string
    }[]
  }

  @Prop({ type: Object, default: null })
  speechAnalysis?: {
    fillerWords: { word: string; count: number }[]
    fillerScore: number
    fillerDensity: number
    pace: string
    totalDuration: number
    totalChars: number
  }

  @Prop({ default: 0 })
  retryCount: number

  readonly createdAt?: Date
  readonly updatedAt?: Date
}

export const InterviewReviewSchema = SchemaFactory.createForClass(InterviewReview)
InterviewReviewSchema.index({ userId: 1, createdAt: -1 })