qa_test_app/frontend/src/api/attempts.ts

import client from './client'

export interface AnswerForTest {
  id: number
  text: string
}

export interface QuestionForTest {
  id: number
  text: string
  is_multiple: boolean   // true → показываем чекбоксы, false → радио-кнопки
  answers: AnswerForTest[]
}

export interface AttemptStarted {
  id: number
  test_id: number
  test_title: string
  test_description: string | null
  started_at: string
  time_limit: number | null   // минуты
  allow_navigation_back: boolean
  questions: QuestionForTest[]
}

export interface QuestionAnswer {
  question_id: number
  answer_ids: number[]
}

export interface AnswerResult {
  id: number
  text: string
  is_correct: boolean
  is_selected: boolean
}

export interface QuestionResult {
  id: number
  text: string
  is_answered_correctly: boolean
  answers: AnswerResult[]
}

export interface AttemptResult {
  id: number
  test_id: number
  test_title: string
  started_at: string
  finished_at: string
  score: number
  passed: boolean
  passing_score: number
  correct_count: number
  total_count: number
  questions: QuestionResult[]
}

export interface AttemptListItem {
  id: number
  test_id: number
  test_title: string
  test_version: number
  user_id: number
  user_name: string
  started_at: string
  finished_at: string | null
  score: number | null
  correct_count: number | null
  total_count: number | null
  passed: boolean | null
}

export interface AttemptListResponse {
  items: AttemptListItem[]
  total: number
  page: number
  page_size: number
}

export interface AttemptListParams {
  test_id?: number
  date_from?: string
  date_to?: string
  page?: number
  page_size?: number
}

export const attemptsApi = {
  start: (test_id: number) =>
    client.post<AttemptStarted>('/attempts', { test_id }),

  submit: (attempt_id: number, answers: QuestionAnswer[]) =>
    client.post<AttemptResult>(`/attempts/${attempt_id}/submit`, { answers }),

  getResult: (attempt_id: number) =>
    client.get<AttemptResult>(`/attempts/${attempt_id}/result`),

  list: (params: AttemptListParams = {}) =>
    client.get<AttemptListResponse>('/attempts', { params }),
}