import {z} from 'zod'

export type ULID = string;

export type CurrencyCode = string;

export type Numeric = string;

export type DateTime = string;

export type CreateCostBasisRequest = {fiat_code: CurrencyCode, rate: Numeric, effective_from?: DateTime | undefined, effective_to?: DateTime | undefined};

export type CreateApiOpenmeterCurrenciesCustomCurrencyIdCostBasesArgs = {currencyId: ULID, body: CreateCostBasisRequest};

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

export const uLID = z.string();

export const currencyCode = z.string().min(3).max(3);

export const numeric = z.string();

export const dateTime = z.string();

export const billingCostBasis = z.object({id: uLID, fiat_code: currencyCode, rate: numeric, effective_from: dateTime.optional(), effective_to: dateTime.optional(), created_at: dateTime});

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
};

/**
 * Create cost basis
 * 
 * POST /openmeter/currencies/custom/{currencyId}/cost-bases
 */
export const createApiOpenmeterCurrenciesCustomCurrencyIdCostBases = async (args: CreateApiOpenmeterCurrenciesCustomCurrencyIdCostBasesArgs, options?: CreateApiOpenmeterCurrenciesCustomCurrencyIdCostBasesOptions) => {
const {baseUrl = "http://localhost:8888/api/v3", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/openmeter/currencies/custom/${encodeURIComponent(String(args.currencyId))}/cost-bases${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(billingCostBasis, await res.json())
};