import {z} from 'zod'

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

export const email = z.string();

export const presenter = z.object({email: email});

export const company = z.object({company_name: z.string(), company_number: z.string()});

export const paymentProvisionalStatus = z.enum(["Paid", "Pending", "Failed"]);

export const paymentSession = z.object({session_id: z.string().min(15).max(15), session_state: z.string().min(64).max(64), session_status: paymentProvisionalStatus});

export const paymentSessions = z.array(paymentSession);

export const convertedFileId = z.string();

export const fileConversionStatus = z.enum(["WAITING", "CLEAN_AV", "FAILED_AV", "QUEUED", "CONVERTED", "FAILED"]);

export const numberOfPages = z.number();

export const submission = z.object({id: z.string(), confirmation_reference: z.string(), created_at: z.string(), submitted_at: z.string().optional(), last_modified_at: z.string(), presenter: presenter, company: company, payment_sessions: paymentSessions.optional(), fee_on_submission: z.string().optional(), status: z.enum(["OPEN", "SUBMITTED", "REJECTED_BY_VIRUS_SCAN", "PROCESSED_BY_EMAIL", "PROCESSING", "REJECTED_BY_DOCUMENT_CONVERTER", "READY_TO_SUBMIT", "SENT_TO_FES", "ACCEPTED", "REJECTED"]), form: z.object({barcode: z.string().optional(), form_type: z.string().optional(), file_details: z.array(z.object({file_id: z.string().optional(), file_name: z.string().optional(), file_size: z.number().optional(), converted_file_id: convertedFileId.optional(), conversion_status: fileConversionStatus.optional(), number_of_pages: numberOfPages.optional(), last_modified_at: z.string().optional()})).optional()}), reject_reasons: z.array(z.object({reason: z.string().optional()})).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
};

/**
 * Fetch details of a submission
 * 
 * GET /submission/{submission-id}
 */
export const getApiSubmissionSubmissionId = async (options: GetApiSubmissionSubmissionIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/submission/${encodeURIComponent(String(args['submission-id']))}${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(submission, await res.json())
};