import {z} from 'zod'

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

export const tokenResponse = z.object({searchAliases: z.array(z.string()).optional(), isPlatformTradingToken: z.boolean().optional(), isPlatformToken: z.boolean().optional(), isV1Available: z.boolean().optional(), isChartDisabled: z.boolean().optional(), isTempHidden: z.boolean().optional(), isSynthetic: z.boolean().optional(), isStable: z.boolean().optional(), isShortable: z.boolean().optional(), isWrapped: z.boolean().optional(), isNative: z.boolean().optional(), isUsdg: z.boolean().optional(), contractVersion: z.string().optional(), isPermitDisabled: z.boolean().optional(), isPermitSupported: z.boolean().optional(), categories: z.array(z.string()).optional(), imageUrl: z.string().optional(), reservesUrl: z.string().optional(), explorerUrl: z.string().optional(), explorerSymbol: z.string().optional(), metamaskSymbol: z.string().optional(), wrappedAddress: z.string().optional(), visualPrefix: z.string().optional(), visualMultiplier: z.number().optional(), address: z.string(), decimals: z.number(), baseSymbol: z.string().optional(), assetSymbol: z.string().optional(), symbol: z.string(), name: z.string()});

export const getApiTokensResponse = z.array(tokenResponse);

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 /tokens
 */
export const getApiTokens = async (options?: GetApiTokensOptions) => {
const {baseUrl = "https://arbitrum.gmxapi.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

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