import {z} from 'zod'

export type GetApiProvidersArgs = {capability?: string | undefined, dataset$filter?: string | undefined, fullAccountNumberFields?: string | undefined, institutionId?: number | undefined, name?: string | undefined, priority?: string | undefined, providerId?: string | undefined, skip?: number | undefined, top?: number | undefined};

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

export const capability = z.object({container: z.array(z.enum(["bank", "creditCard", "investment", "insurance", "loan", "reward", "realEstate", "otherAssets", "otherLiabilities"])).optional(), name: z.string().optional()});

export const transactionDays = z.object({fullAccountNumberFields: z.array(z.enum(["paymentAccountNumber", "unmaskedAccountNumber"])).optional(), numberOfTransactionDays: z.number().int().optional()});

export const containerAttributes = z.object({BANK: transactionDays.optional(), LOAN: transactionDays.optional(), CREDITCARD: transactionDays.optional(), INVESTMENT: transactionDays.optional(), INSURANCE: transactionDays.optional()});

export const attribute = z.object({container: z.array(z.enum(["bank", "creditCard", "investment", "insurance", "loan", "reward", "realEstate", "otherAssets", "otherLiabilities"])).optional(), fromDate: z.string().optional(), toFinYear: z.string().optional(), fromFinYear: z.string().optional(), containerAttributes: containerAttributes.optional(), toDate: z.string().optional(), name: z.enum(["BASIC_ACCOUNT_INFO", "TRANSACTIONS", "STATEMENTS", "HOLDINGS", "ACCOUNT_DETAILS", "TAX", "EBILLS", "FULL_ACCT_NUMBER", "BANK_TRANSFER_CODE", "HOLDER_NAME", "HOLDER_DETAILS", "PAYMENT_PROFILE", "PAYMENT_DETAILS", "INTEREST_DETAILS", "COVERAGE"]).optional()});

export const providersDataset = z.object({name: z.enum(["BASIC_AGG_DATA", "ADVANCE_AGG_DATA", "ACCT_PROFILE", "DOCUMENT"]).optional(), attribute: z.array(attribute).optional()});

export const providers = z.object({languageISOCode: z.string().optional(), forgetPasswordUrl: z.string().optional(), favicon: z.string().optional(), accountType: z.array(z.enum(["CURRENT", "BROKERAGE_CASH"])).optional(), countryISOCode: z.string().optional(), isAddedByUser: z.string().optional(), PRIORITY: z.enum(["POPULAR", "SUGGESTED", "COBRAND", "SEARCH", "ALL"]).optional(), associatedProviderIds: z.array(z.number().int()).optional(), loginHelp: z.string().optional(), primaryLanguageISOCode: z.string().optional(), help: z.string().optional(), baseUrl: z.string().optional(), capability: z.array(capability).optional(), isConsentRequired: z.boolean().optional(), loginUrl: z.string().optional(), isAutoRefreshEnabled: z.boolean().optional(), name: z.string().optional(), logo: z.string().optional(), id: z.number().int().optional(), lastModified: z.string().optional(), authParameter: z.array(z.enum(["authorizationCode", "idToken", "authResponse"])).optional(), authType: z.enum(["OAUTH", "CREDENTIALS", "MFA_CREDENTIALS"]).optional(), dataset: z.array(providersDataset).optional(), status: z.enum(["Supported", "Beta", "Unsupported"]).optional()});

export const providerResponse = z.object({provider: z.array(providers).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 Providers
 * 
 * GET /providers
 */
export const getApiProviders = async (args: GetApiProvidersArgs, options: GetApiProvidersOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json;charset=UTF-8")

if (args.capability != null) query.append("capability", String(args.capability))
if (args.dataset$filter != null) query.append("dataset$filter", String(args.dataset$filter))
if (args.fullAccountNumberFields != null) query.append("fullAccountNumberFields", String(args.fullAccountNumberFields))
if (args.institutionId != null) query.append("institutionId", String(args.institutionId))
if (args.name != null) query.append("name", String(args.name))
if (args.priority != null) query.append("priority", String(args.priority))
if (args.providerId != null) query.append("providerId", String(args.providerId))
if (args.skip != null) query.append("skip", String(args.skip))
if (args.top != null) query.append("top", String(args.top))

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