import {z} from 'zod'

export type CreateApiPublicGetAllQuizSubmissionsArgs = {body: {data: Array<{data: {courseIdentifier: {type: 'course-id', digitalProductCourseId: string} | {type: 'course-slug', courseSlug: string}}}>}};

export type CreateApiPublicGetAllQuizSubmissionsOptions = {baseUrl?: string | undefined, FERMIONAPIKEY?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiPublicGetAllQuizSubmissionsResponse = z.array(z.object({output: z.union([z.object({status: z.literal("ok"), data: z.object({productId: z.string(), productTitle: z.string(), quizzes: z.array(z.object({quizId: z.string(), quizTitle: z.string(), totalQuestions: z.number(), submissions: z.array(z.object({fermionUserId: z.string(), userEmail: z.union([z.string(), z.unknown(), z.unknown()]), userName: z.string(), submittedAtIso: z.union([z.string(), z.unknown(), z.unknown()]), totalScore: z.number(), maxScore: z.number(), questionBreakdown: z.array(z.object({questionId: z.string(), questionText: z.string(), selectedAnswer: z.array(z.string()), correctAnswer: z.array(z.string()), isCorrect: z.boolean(), pointsForQuestion: z.number(), pointsEarned: z.number()}))}))}))})}), z.object({status: z.literal("error"), errorMessage: z.string()})])}));

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get course quiz submissions 
 * 
 * POST /public/get-all-quiz-submissions
 */
export const createApiPublicGetAllQuizSubmissions = async (args: CreateApiPublicGetAllQuizSubmissionsArgs, options?: CreateApiPublicGetAllQuizSubmissionsOptions) => {
const {baseUrl = "https://backend.codedamn.com/api", fetch: fetchFn = fetch, FERMIONAPIKEY} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (FERMIONAPIKEY !== undefined) headers.set("FERMION-API-KEY", FERMIONAPIKEY)

const url = `${baseUrl.replace(/\/+$/, '')}/public/get-all-quiz-submissions${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiPublicGetAllQuizSubmissionsResponse, await res.json())
};