import {z} from 'zod'

export type GetApiApiV1PublicCountriesConfigOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const countryConfigListResponse = z.object({success: z.boolean(), data: z.array(z.object({name: z.string(), iso2: z.string().min(2).max(2), short: z.string().optional(), grouping: z.string().optional(), config: z.object({phone_data: z.object({countryCode: z.string(), phoneFormat: z.string().optional(), hasTrunkPrefix: z.number().optional(), patterns: z.object({}).optional()}), postal_code: z.object({label: z.string().optional(), min: z.number().optional(), max: z.number().optional(), pattern: z.string().optional(), placeholder: z.string().optional(), format: z.string().optional(), required: z.boolean().optional()}).optional(), company_number: z.object({label: z.string().optional(), min: z.number().optional(), max: z.number().optional(), pattern: z.string().optional(), placeholder: z.string().optional(), format: z.string().optional(), required: z.boolean().optional()}).optional(), vat: z.object({label: z.string().optional(), min: z.number().optional(), max: z.number().optional(), pattern: z.string().optional(), placeholder: z.string().optional(), format: z.string().optional(), required: z.boolean().optional()}).optional(), tax_id: z.object({label: z.string().optional(), min: z.number().optional(), max: z.number().optional(), pattern: z.string().optional(), placeholder: z.string().optional(), format: z.string().optional(), required: z.boolean().optional()}).optional(), entity_structure: z.array(z.object({label: z.string(), value: z.union([z.literal("limited_liability_company"), z.literal("private_limited_company"), z.literal("public_limited_company"), z.literal("general_partnership"), z.literal("limited_liability_partnership"), z.literal("limited_partnership"), z.literal("limited_liability_entrep_company"), z.literal("joint_stock_company"), z.literal("single_member_llc"), z.literal("multi_member_llc"), z.literal("private_partnership"), z.literal("private_corporation"), z.literal("public_company")]), fields: z.array(z.object({type: z.string(), required: z.boolean()})).optional()})).optional(), required_address_lines: z.array(z.string()).optional(), state_province: z.array(z.object({label: z.string(), reviewLabel: z.string(), value: z.string()})).optional()}), payment_schemes: z.array(z.object({type: z.union([z.literal("SEPA_CREDIT_TRANSFER"), z.literal("MULTIBANCO"), z.literal("DANISH_DOMESTIC_CREDIT_TRANSFER"), z.literal("FASTER_PAYMENTS"), z.literal("BACS"), z.literal("ACH"), z.literal("BECS")]), name: z.string(), fields: z.array(z.object({label: z.string(), min: z.number(), max: z.number(), pattern: z.string(), placeholder: z.string(), required: z.boolean(), type: z.string()}))}))}))});

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 a list of all available CountryConfig records (public, no auth required)
 * 
 * GET /api/v1/public/countries/config
 */
export const getApiApiV1PublicCountriesConfig = async (options?: GetApiApiV1PublicCountriesConfigOptions) => {
const {baseUrl = "https://core.quidkey.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/public/countries/config${query.size > 0 ? `?${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(countryConfigListResponse, await res.json())
};