import {z} from 'zod'

export type CustomerBankStatementPresignedRequest = {document_type: 'bank_statements', additional_data_request_id?: string | undefined, filename: string, filetype: 'application/pdf'};

export type CustomerDocumentPresignedRequest = {document_type: 'credit_references' | 'financial_statements' | 'payment_history' | 'other', filename: string, filetype: 'application/pdf' | 'image/png' | 'image/jpeg' | 'image/jpg' | 'text/csv' | 'application/vnd.ms-excel' | 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'};

export type CustomerBankStatementRemoteRequest = {document_type: 'bank_statements', additional_data_request_id?: string | undefined, filename: string, filetype: 'application/pdf', download_url: string};

export type CustomerDocumentRemoteRequest = {document_type: 'credit_references' | 'financial_statements' | 'payment_history' | 'other', filename: string, filetype: 'application/pdf' | 'image/png' | 'image/jpeg' | 'image/jpg' | 'text/csv' | 'application/vnd.ms-excel' | 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', download_url: string};

export type CustomerDocumentUploadRequest = CustomerBankStatementPresignedRequest | CustomerDocumentPresignedRequest | CustomerBankStatementRemoteRequest | CustomerDocumentRemoteRequest;

export type CreateApiCustomersCustomerIdDocumentsArgs = {customer_id: string, body: CustomerDocumentUploadRequest};

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

export const customerDocumentPresignedResponse = z.object({id: z.string(), document_id: z.string(), document_type: z.enum(["bank_statements", "credit_references", "financial_statements", "payment_history", "other"]), upload_url: z.string(), upload_expires_at: z.string(), object_key: z.string(), transfer_method: z.literal("presigned_upload"), queue_dispatch_status: z.literal("null").nullable(), upload_headers: z.record(z.string(), z.string()), validation_profile: z.literal("merchant_underwriting_document_default")});

export const customerDocumentRemoteResponse = z.object({id: z.string(), document_id: z.string(), document_type: z.enum(["bank_statements", "credit_references", "financial_statements", "payment_history", "other"]), upload_url: z.string().nullable(), upload_expires_at: z.string().nullable(), object_key: z.string(), transfer_method: z.literal("download_url"), queue_dispatch_status: z.enum(["queued", "failed"]), upload_headers: z.record(z.string(), z.string()), validation_profile: z.literal("merchant_underwriting_document_default")});

export const createApiCustomersCustomerIdDocumentsResponse = z.union([customerDocumentPresignedResponse, customerDocumentRemoteResponse]);

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
};

/**
 * Upload a customer supporting document
 * 
 * POST /customers/{customer_id}/documents
 * 
 * Also accepts auth: basicAuth
 */
export const createApiCustomersCustomerIdDocuments = async (args: CreateApiCustomersCustomerIdDocumentsArgs, options?: CreateApiCustomersCustomerIdDocumentsOptions) => {
const {baseUrl = "https://app-sandbox.resolvepay.com/api", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/customers/${encodeURIComponent(String(args.customer_id))}/documents${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(createApiCustomersCustomerIdDocumentsResponse, await res.json())
};