import {z} from 'zod'

export type GetApiApiInstitutionsArgs = {page_size?: number | undefined, page?: number | undefined, display_name?: string | undefined, country_code?: string | undefined, country_code__in?: Array<string> | undefined, resources__allin?: Array<string> | undefined, name?: string | undefined, name__in?: Array<string> | undefined, status?: string | undefined, status__in?: Array<string> | undefined, type?: ('bank' | 'fiscal' | 'employment') | undefined, type__in?: (Array<'bank' | 'fiscal' | 'employment'>) | undefined, website?: string | undefined};

export type GetApiApiInstitutionsOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const enumInstitutionType = z.enum(["bank", "fiscal", "employment"]);

export const institutionsFormFieldValues = z.object({code: z.string().optional(), label: z.string().optional(), validation: z.string().optional(), validation_message: z.string().optional(), placeholder: z.string().optional()});

export const institutionsFormField = z.object({name: z.string().optional(), type: z.string().optional(), label: z.string().optional(), validation: z.string().optional(), placeholder: z.string().optional(), validation_message: z.string().optional(), values: z.array(institutionsFormFieldValues).optional()});

export const institutionsFeature = z.object({name: z.string().optional(), description: z.string().optional()});

export const enumInstitutionIntegrationType = z.enum(["credentials", "openfinance"]);

export const enumInstitutionStatus = z.enum(["healthy", "down"]);

export const institutionOpenBankingInformation = z.object({description: z.string().nullable().optional(), participants: z.array(z.string()).nullable().optional(), authorization_server_id: z.string().nullable().optional()}).nullable();

export const institutionPublicApi = z.object({id: z.number().int().optional(), name: z.string().optional(), type: enumInstitutionType.optional(), website: z.string().nullable().optional(), display_name: z.string().optional(), country_codes: z.array(z.string()).optional(), primary_color: z.string().optional(), logo: z.string().nullable().optional(), icon_logo: z.string().nullable().optional(), text_logo: z.string().nullable().optional(), code: z.string().nullable().optional(), form_fields: z.array(institutionsFormField).optional(), features: z.array(institutionsFeature).optional(), resources: z.array(z.string()).optional(), integration_type: enumInstitutionIntegrationType.optional(), status: enumInstitutionStatus.optional(), openbanking_information: institutionOpenBankingInformation.optional()});

export const getApiApiInstitutionsResponse = z.object({count: z.number().int().optional(), next: z.string().nullable().optional(), previous: z.string().nullable().optional(), results: z.array(institutionPublicApi).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
};

/**
 * List institutions
 * 
 * GET /api/institutions/
 */
export const getApiApiInstitutions = async (args: GetApiApiInstitutionsArgs, options?: GetApiApiInstitutionsOptions) => {
const {baseUrl = "https://sandbox.belvo.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.page_size != null) query.append("page_size", String(args.page_size))
if (args.page != null) query.append("page", String(args.page))
if (args.display_name != null) query.append("display_name", String(args.display_name))
if (args.country_code != null) query.append("country_code", String(args.country_code))
if (args.country_code__in != null) query.append("country_code__in", args.country_code__in.join(','))
if (args.resources__allin != null) query.append("resources__allin", args.resources__allin.join(','))
if (args.name != null) query.append("name", String(args.name))
if (args.name__in != null) query.append("name__in", args.name__in.join(','))
if (args.status != null) query.append("status", String(args.status))
if (args.status__in != null) query.append("status__in", args.status__in.join(','))
if (args.type != null) query.append("type", String(args.type))
if (args.type__in != null) query.append("type__in", args.type__in.join(','))
if (args.website != null) query.append("website", String(args.website))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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