import {z} from 'zod'

export type CustomerId = string;

export type GetApiApiV1CustomersCustomerIdArgs = {customerId: CustomerId};

export type GetApiApiV1CustomersCustomerIdOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const customerId = z.string();

export const metadata = z.record(z.string(), z.string());

export const verificationLevelResponse = z.object({level: z.enum(["kyc_level_0", "kyc_level_1", "kyc_level_2", "base_business", "individual_base", "business_base", "individual_enhanced"]), status: z.enum(["in_progress", "approved", "rejected", "requires_action"]), sub_status: z.array(z.enum(["BAD_PROOF_OF_IDENTITY", "BAD_PROOF_OF_ADDRESS", "DOCUMENT_PAGE_MISSING", "OTHER", "FILE_CORRUPTED", "FILE_EMPTY", "FILE_TOO_LARGE", "FILE_UNSUPPORTED_TYPE", "FAILED_TO_SUBMIT", "FAILED_TO_SUBMIT_BENEFICIARY"])).optional()});

export const getCustomerResponse = z.object({customer_id: customerId, external_customer_id: z.string().nullable(), customer_type: z.enum(["individual", "business"]), email: z.string(), phone: z.string().optional(), entitlements: z.array(z.object({name: z.string(), status: z.enum(["submitted", "in_progress", "approved", "rejected"])})).optional(), first_name: z.string().optional(), last_name: z.string().optional(), company_name: z.string().optional(), created_at: z.string(), updated_at: z.string(), metadata: metadata.optional(), verification_levels: z.array(verificationLevelResponse), status: z.string().optional(), compliance_lock: z.object({locked_at: z.string(), locked_by_user_id: z.string(), locked_by_user_name: z.string().nullable().optional(), locked_by_user_email: z.string().nullable().optional(), lock_reason: z.string()}).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 by ID including KYC status
 * 
 * GET /api/v1/customers/{customerId}
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiApiV1CustomersCustomerId = async (args: GetApiApiV1CustomersCustomerIdArgs, options?: GetApiApiV1CustomersCustomerIdOptions) => {
const {baseUrl = "https://api.stables.money", 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 = `${baseUrl.replace(/\/+$/, '')}/api/v1/customers/${encodeURIComponent(String(args.customerId))}${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(getCustomerResponse, await res.json())
};