import {z} from 'zod'

export type GetApiV2CustomersCustomerIdArgs = {customer_id: string};

export type GetApiV2CustomersCustomerIdOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const individualCustomerDetailV2 = z.object({customer_id: z.string().optional(), type: z.literal("INDIVIDUAL").optional(), first_name: z.string().optional(), last_name: z.string().optional(), email: z.string().optional(), phone: z.string().optional(), country_of_residence: z.string().optional(), verification_type: z.string().optional(), customer_status: z.string().optional(), tos_policies_url: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), last_status_updated_at: z.string().optional(), rejection_reason: z.object({applicant: z.object({moderation_comment: z.string().optional(), reject_labels: z.array(z.string()).optional()}).nullable().optional(), documents: z.array(z.object({uri: z.string().optional(), category: z.string().optional(), moderation_comment: z.string().optional(), reject_labels: z.array(z.string()).optional()})).optional()}).nullable().optional(), request_for_information: z.array(z.object({scope: z.enum(["CUSTOMER", "ASSOCIATED_PARTY"]).optional(), section: z.string().optional(), categories: z.array(z.object({document_type: z.string().optional(), fields: z.array(z.object({field_name: z.string().optional(), data_type: z.enum(["URI", "DATE", "TEXT", "ENUM"]).optional(), status: z.enum(["MISSING", "EXPIRED", "INVALID"]).optional(), reason: z.string().nullable().optional(), options: z.array(z.string()).optional()})).optional()})).optional()})).optional()});

export const businessCustomerDetailV2 = z.object({customer_id: z.string().optional(), type: z.literal("BUSINESS").optional(), business_name: z.string().optional(), email: z.string().optional(), phone: z.string().optional(), country_of_incorporation: z.string().optional(), verification_type: z.string().optional(), customer_status: z.enum(["INCOMPLETE", "PROCESSING", "REVIEWING", "APPROVED", "ASSOCIATED_PARTIES_REMAINING", "IN_COMPLIANCE", "ACTION_REQUIRED", "REJECTED"]).optional(), tos_policies_url: z.string().optional(), associated_parties: z.array(z.object({id: z.string().optional(), type: z.string().optional(), ownership_percent: z.number().optional(), email: z.string().optional(), verification: z.object({status: z.enum(["INITIATED", "REVIEWING", "APPROVED", "REJECTED"]).optional(), reason: z.object({for_customer: z.string().nullable().optional(), for_developer: z.string().nullable().optional()}).optional(), updated_at: z.string().optional()}).optional()})).optional(), created_at: z.string().optional(), updated_at: z.string().optional(), rejection_reason: z.object({applicant: z.object({moderation_comment: z.string().optional(), reject_labels: z.array(z.string()).optional()}).nullable().optional(), documents: z.array(z.object({uri: z.string().optional(), category: z.string().optional(), moderation_comment: z.string().optional(), reject_labels: z.array(z.string()).optional()})).optional(), associated_parties: z.array(z.object({})).optional()}).nullable().optional(), request_for_information: z.array(z.object({section: z.string().optional(), categories: z.array(z.object({document_type: z.string().optional(), fields: z.array(z.object({field_name: z.string().optional(), data_type: z.enum(["URI", "DATE", "TEXT", "ENUM"]).optional(), status: z.enum(["MISSING", "EXPIRED", "INVALID"]).optional(), reason: z.string().nullable().optional()})).optional()})).optional()})).optional()});

export const getApiV2CustomersCustomerIdResponse = z.object({data: z.union([individualCustomerDetailV2, businessCustomerDetailV2]).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
};

/**
 * Get Customer Details V2
 * 
 * GET /v2/customers/{customer_id}
 */
export const getApiV2CustomersCustomerId = async (args: GetApiV2CustomersCustomerIdArgs, options?: GetApiV2CustomersCustomerIdOptions) => {
const {baseUrl = "https://sandbox.api.fin.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2/customers/${encodeURIComponent(String(args.customer_id))}${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(getApiV2CustomersCustomerIdResponse, await res.json())
};