import {z} from 'zod'

export type GetApiAdminCorrectionMonitoringArgs = {year?: number | undefined, month?: number | undefined, method?: (string | null) | undefined, teacher_email?: (string | null) | undefined, page?: number | undefined, limit?: number | undefined};

export type GetApiAdminCorrectionMonitoringOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const correctionModificationListItem = z.object({id: z.string(), teacher_id: z.string(), teacher_email: z.string(), teacher_exam_id: z.string().nullable().optional(), teacher_exercise_id: z.string().nullable().optional(), exam_title: z.string().nullable().optional(), exercise_title: z.string().nullable().optional(), exercise_id: z.number().int().nullable().optional(), modification_method: z.string(), has_previous: z.boolean(), has_new: z.boolean(), created_at: z.string()});

export const paginatedModificationList = z.object({items: z.array(correctionModificationListItem), total: z.number().int(), page: z.number().int(), limit: z.number().int(), has_more: z.boolean()});

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
};

/**
 * List Correction Modifications
 * 
 * GET /admin/correction-monitoring
 */
export const getApiAdminCorrectionMonitoring = async (args: GetApiAdminCorrectionMonitoringArgs, options: GetApiAdminCorrectionMonitoringOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

if (args.year != null) query.append("year", String(args.year))
if (args.month != null) query.append("month", String(args.month))
if (args.method != null) query.append("method", String(args.method))
if (args.teacher_email != null) query.append("teacher_email", String(args.teacher_email))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/admin/correction-monitoring${query.size > 0 ? `?${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(paginatedModificationList, await res.json())
};