import {z} from 'zod'

export type PriceOverride = {countryCode2?: string | undefined, playerIp?: string | undefined, price?: number | undefined};

export type CreateApiV1PricePointsArgs = {body: {priceInUsdCents?: number | undefined, priceOverrides?: Array<PriceOverride> | undefined}};

export type CreateApiV1PricePointsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const priceByCountry = z.object({price: z.number().optional(), currencyCode: z.string().optional(), isOverridden: z.boolean().optional(), taxModel: z.enum(["Included", "Excluded"]).optional(), taxRate: z.number().optional(), country: z.string().optional(), countryCode2: z.string().optional(), playerIp: z.string().optional(), usdExchangeRateOnCalc: z.number().optional(), exchangeRateDrift: z.string().optional()});

export const pricePoint = z.object({priceInUsdCents: z.number().optional(), lastUpdate: z.string().optional(), priceByCountry: z.array(priceByCountry).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
};

/**
 * Create a Price Point
 * 
 * POST /v1/price-points
 */
export const createApiV1PricePoints = async (args: CreateApiV1PricePointsArgs, options: CreateApiV1PricePointsOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/v1/price-points${query.size > 0 ? `?${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(pricePoint, await res.json())
};