import {z} from 'zod'

export type DocumentType = 'mx_rfc' | 'mx_curp' | 'passport';

export type CustomerCreate = {name: string, document_type: DocumentType, document_number: string, email?: (string | null) | undefined, phone_number?: (string | null) | undefined};

export type CreateApiCustomersArgs = {'X-API-Key'?: (string | null) | undefined, body: CustomerCreate};

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

export const documentType = z.enum(["mx_rfc", "mx_curp", "passport"]);

export const customerResponse = z.object({name: z.string().min(1).max(255), org_id: z.string(), document_type: documentType, document_number: z.string().min(1).max(255), email: z.string().nullable().optional(), phone_number: z.string().max(20).nullable().optional(), customer_metadata: z.object({}).nullable().optional(), id: z.string(), created_at: z.string(), updated_at: z.string().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
};

/**
 * Create Customer
 * 
 * POST /customers
 */
export const createApiCustomers = async (args: CreateApiCustomersArgs, options: CreateApiCustomersOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-API-Key'] != null) headers.set("X-API-Key", String(args['X-API-Key']))

const url = `${baseUrl.replace(/\/+$/, '')}/customers${query.size > 0 ? `?${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(customerResponse, await res.json())
};