export interface Question {
  id: string
  part: number
  text: string
  options: string[]
  correctAnswer: number // 0-3
  explanation: string
}

export interface VocabWord {
  id: string
  word: string
  phonetic: string
  meaningVi: string
  topic: VocabTopic
  example: string
}

export type VocabTopic =
  | 'Tất cả'
  | 'Business'
  | 'Office'
  | 'Travel'
  | 'Finance'
  | 'HR'
  | 'Marketing'

export const VOCAB_TOPICS: VocabTopic[] = [
  'Tất cả',
  'Business',
  'Office',
  'Travel',
  'Finance',
  'HR',
  'Marketing',
]

export interface WritingFeedback {
  score: string
  grammar: string[]
  vocabulary: string[]
  structure: string
  improvedVersion: string
  summary: string
}

export interface ToeicPart {
  id: number
  name: string
  nameVi: string
  questionCount: number
  icon: string
  progressPercent: number
}

export interface User {
  id: string
  email: string
  name: string
}