import {z} from 'zod'

export type GetApiQuicksilverMintV1beta1ParamsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const getApiQuicksilverMintV1beta1ParamsResponse = z.object({params: z.object({mint_denom: z.string().optional(), genesis_epoch_provisions: z.string().optional(), epoch_identifier: z.string().optional(), reduction_period_in_epochs: z.string().optional(), reduction_factor: z.string().optional(), distribution_proportions: z.object({staking: z.string().optional(), pool_incentives: z.string().optional(), participation_rewards: z.string().optional(), community_pool: z.string().optional()}).optional(), minting_rewards_distribution_start_epoch: z.string().optional()}).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 returns the total set of minting parameters.
 * 
 * GET /quicksilver/mint/v1beta1/params
 */
export const getApiQuicksilverMintV1beta1Params = async (options: GetApiQuicksilverMintV1beta1ParamsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/quicksilver/mint/v1beta1/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(getApiQuicksilverMintV1beta1ParamsResponse, await res.json())
};