import {z} from 'zod'

export type GetApiEvmosEvmV1ParamsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const ethermintEvmV1ChainConfig = z.object({homesteadBlock: z.string().optional(), daoForkBlock: z.string().optional(), daoForkSupport: z.boolean().optional(), eip150Block: z.string().optional(), eip150Hash: z.string().optional(), eip155Block: z.string().optional(), eip158Block: z.string().optional(), byzantiumBlock: z.string().optional(), constantinopleBlock: z.string().optional(), petersburgBlock: z.string().optional(), istanbulBlock: z.string().optional(), muirGlacierBlock: z.string().optional(), berlinBlock: z.string().optional(), londonBlock: z.string().optional(), arrowGlacierBlock: z.string().optional(), grayGlacierBlock: z.string().optional(), mergeNetsplitBlock: z.string().optional(), shanghaiBlock: z.string().optional(), cancunBlock: z.string().optional()});

export const ethermintEvmV1AccessType = z.enum(["ACCESS_TYPE_PERMISSIONLESS", "ACCESS_TYPE_RESTRICTED", "ACCESS_TYPE_PERMISSIONED"]);

export const ethermintEvmV1AccessControlType = z.object({accessType: ethermintEvmV1AccessType.optional(), accessControlList: z.array(z.string()).optional()});

export const ethermintEvmV1AccessControl = z.object({create: ethermintEvmV1AccessControlType.optional(), call: ethermintEvmV1AccessControlType.optional()});

export const ethermintEvmV1Params = z.object({evmDenom: z.string().optional(), extraEips: z.array(z.string()).optional(), chainConfig: ethermintEvmV1ChainConfig.optional(), allowUnprotectedTxs: z.boolean().optional(), evmChannels: z.array(z.string()).optional(), accessControl: ethermintEvmV1AccessControl.optional(), activeStaticPrecompiles: z.array(z.string()).optional()});

export const ethermintEvmV1QueryParamsResponse = z.object({params: ethermintEvmV1Params.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
};

/**
 * Params queries the parameters of x/evm module.
 * 
 * GET /evmos/evm/v1/params
 */
export const getApiEvmosEvmV1Params = async (options: GetApiEvmosEvmV1ParamsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/evmos/evm/v1/params${query.size > 0 ? `?${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(ethermintEvmV1QueryParamsResponse, await res.json())
};