import {z} from 'zod'

export type GetApiApiV1QualificationStatusTestIdArgs = {test_id: string, authorization?: (string | null) | undefined};

export type GetApiApiV1QualificationStatusTestIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const testResult = z.object({passed: z.boolean(), overall_score: z.number(), dimensions: z.record(z.string(), z.number().int()), extracted_skills: z.array(z.string()), summary: z.string(), concerns: z.string().nullable().optional(), status: z.string().nullable().optional(), test_id: z.string().nullable().optional()});

export const testStatusResponse = z.object({test_id: z.string(), status: z.string(), questions_asked: z.number().int(), max_questions: z.number().int(), messages: z.array(z.record(z.string(), z.unknown())), result: testResult.nullable().optional()});

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 Test Status
 * 
 * GET /api/v1/qualification/status/{test_id}
 */
export const getApiApiV1QualificationStatusTestId = async (args: GetApiApiV1QualificationStatusTestIdArgs, options: GetApiApiV1QualificationStatusTestIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/qualification/status/${encodeURIComponent(String(args.test_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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