import {z} from 'zod'

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

export const apiKeyType = z.enum(["entity", "user"]);

export const apiKeyScope = z.enum(["accounts:read", "accounts:write", "accounts:payment-networks", "accounts:transactions", "accounts:balances", "accounts:statements", "accounts:tax-documents", "entity:create", "transfers:crypto:write", "transfers:usdc:write", "transfers:ach:write", "transfers:wire:write", "transfers:book:write", "transfers:international:write", "contacts:read", "contacts:write", "billing:products:read", "billing:products:write", "billing:customers:read", "billing:customers:write", "billing:invoices:read", "billing:invoices:write", "billing:accounts:read", "billpay:read", "billpay:write", "onboarding:read", "onboarding:write", "cards:read", "cards:write", "reimbursements:read", "users:read", "users:write", "webhooks:read", "webhooks:write", "partner:onboarding:read", "partner:onboarding:write", "partner:webhooks:read", "partner:webhooks:write", "simulations:write", "banking:limits:read", "banking:limits:write", "feature-access:read", "feature-access:write"]);

export const apiKeyEntityInfo = z.object({entity_id: z.string(), entity_name: z.string()});

export const bankingPlatform = z.enum(["treasury_prime", "crb", "bridge", "stripe", "atomic"]);

export const bankingAccountReference = z.object({platform: bankingPlatform, id: z.string()});

export const currentApiKeyResponse = z.object({id: z.string(), key_type: apiKeyType, scopes: z.array(apiKeyScope), owner_entity: apiKeyEntityInfo.nullable().optional(), owner_email: z.string().nullable().optional(), restricted_banking_account: bankingAccountReference.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
};

/**
 * Get Current API Key
 * 
 * GET /api-keys/current
 */
export const getApiApiKeysCurrent = async (options?: GetApiApiKeysCurrentOptions) => {
const {baseUrl = "https://api.meow.com/v1", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (apiKeyAuth !== undefined) headers.set("x-api-key", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api-keys/current${query.size > 0 ? `?${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(currentApiKeyResponse, await res.json())
};