import {z} from 'zod'

export type GetApiV1YmmArgs = {year: string, make: string, model: string, trim?: string | undefined, allTrimOptions?: '1' | undefined};

export type GetApiV1YmmOptions = {baseUrl?: string | undefined, ApiKeyQuery?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1YmmResponse = z.object({success: z.boolean().optional(), bestMatch: z.record(z.string(), z.unknown()).optional(), trimOptions: z.array(z.record(z.string(), z.unknown())).optional(), input: z.record(z.string(), z.unknown()).optional(), timestamp: z.string().optional()}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * Year Make Model
 * 
 * GET /v1/ymm
 * 
 * Also accepts auth: X402Payment
 */
export const getApiV1Ymm = async (args: GetApiV1YmmArgs, options?: GetApiV1YmmOptions) => {
const {baseUrl = "https://api.carsxe.com", fetch: fetchFn = fetch, ApiKeyQuery} = options ?? {}

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

if (args.year != null) query.append("year", String(args.year))
if (args.make != null) query.append("make", String(args.make))
if (args.model != null) query.append("model", String(args.model))
if (args.trim != null) query.append("trim", String(args.trim))
if (args.allTrimOptions != null) query.append("allTrimOptions", String(args.allTrimOptions))
if (ApiKeyQuery !== undefined) query.set("key", ApiKeyQuery)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/ymm${query.size > 0 ? `?${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(getApiV1YmmResponse, await res.json())
};