import {z} from 'zod'

export type GetApiV2AssetsBatchGetArgs = {names: Array<string>};

export type GetApiV2AssetsBatchGetOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const v2AssetTypeEnum = z.enum(["NATIVE_CURRENCY", "TOKEN"]);

export const v2ConvertedValue = z.object({amount: z.string().optional(), currencyCode: z.string().optional()});

export const assetTokenInfoStandardEnum = z.enum(["ERC20", "ERC721", "ERC1155", "TRC20", "SPL_TOKEN", "SPL_TOKEN_2022", "ICS20", "JETTON", "TIP20", "ERC7984"]);

export const v2CantonTokenDetails = z.object({instrumentId: z.string().optional(), instrumentAdmin: z.string().optional(), supportsTransferPreapproval: z.boolean().optional()});

export const v2SuiTokenDetails = z.object({gasless: z.boolean().optional()});

export const v2EVMTokenDetails = z.object({zamaConfidentialTokenPair: z.string().optional()});

export const v2AssetTokenInfo = z.object({contractAddress: z.string().optional(), standard: assetTokenInfoStandardEnum.optional(), denom: z.string().optional(), cantonTokenDetails: v2CantonTokenDetails.optional(), tip20Currency: z.string().optional(), suiTokenDetails: v2SuiTokenDetails.optional(), evmTokenDetails: v2EVMTokenDetails.optional()});

export const v2Asset = z.object({name: z.string().optional(), displayName: z.string().optional(), network: z.string().optional(), type: v2AssetTypeEnum.optional(), symbol: z.string().optional(), decimals: z.number().int().optional(), convertedValue: v2ConvertedValue.optional(), tokenInfo: v2AssetTokenInfo.optional()});

export const v2BatchGetAssetsResponse = z.object({assets: z.array(v2Asset).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
};

/**
 * BatchGetAssets
 * 
 * GET /v2/assets:batchGet
 */
export const getApiV2AssetsBatchGet = async (args: GetApiV2AssetsBatchGetArgs, options?: GetApiV2AssetsBatchGetOptions) => {
const {baseUrl = "https://api.utila.io", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

for (const item of args.names ?? []) query.append("names", String(item))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/assets:batchGet${query.size > 0 ? `?${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(v2BatchGetAssetsResponse, await res.json())
};