import {z} from 'zod'

export type DuplicateAssignmentsBatchRequest = {folder_ids?: Array<string> | undefined, school_year: string, dry_run?: boolean | undefined, include_already_duplicated?: boolean | undefined, assignment_ids?: Array<string> | undefined};

export type CreateApiTeacherAssignmentsDuplicateBatchArgs = {body: DuplicateAssignmentsBatchRequest};

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

export const duplicationItemResponse = z.object({id: z.string(), title: z.string(), folder_id: z.string().nullable().optional()});

export const duplicationCreatedResponse = z.object({source_id: z.string(), id: z.string()});

export const duplicationFailureResponse = z.object({id: z.string(), title: z.string(), error: z.string()});

export const bulkDuplicationResponse = z.object({target_school_year: z.string(), to_copy: z.array(duplicationItemResponse), already_duplicated: z.array(duplicationItemResponse), created: z.array(duplicationCreatedResponse).optional(), failures: z.array(duplicationFailureResponse).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
};

/**
 * Duplicate Teacher Assignments Batch
 * 
 * POST /teacher/assignments/duplicate-batch
 */
export const createApiTeacherAssignmentsDuplicateBatch = async (args: CreateApiTeacherAssignmentsDuplicateBatchArgs, options: CreateApiTeacherAssignmentsDuplicateBatchOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/teacher/assignments/duplicate-batch${query.size > 0 ? `?${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(bulkDuplicationResponse, await res.json())
};