import {z} from 'zod'

export type GetApiPoolsGroupsArgs = {page: unknown, page_size: unknown, query: unknown, sort_by: unknown, filter_by: unknown, volume_tw?: string | undefined, fee_tvl_ratio_tw?: string | undefined};

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

export const paginationResponseGroupResponse = z.object({current_page: z.number().int().gte(0), data: z.array(z.object({group_name: z.string(), has_farm: z.boolean(), lexical_order_mints: z.string(), max_fee_tvl_ratio: z.number(), pool_count: z.number().int().gte(0), token_x: z.string(), token_y: z.string(), total_tvl: z.number(), total_volume: z.number()})), page_size: z.number().int().gte(0), pages: z.number().int().gte(0), total: z.number().int().gte(0)});

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
};

/**
 * Groups
 * 
 * GET /pools/groups
 */
export const getApiPoolsGroups = async (args: GetApiPoolsGroupsArgs, options?: GetApiPoolsGroupsOptions) => {
const {baseUrl = "https://damm-api.meteora.ag", fetch: fetchFn = fetch} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.page_size != null) query.append("page_size", String(args.page_size))
if (args.query != null) query.append("query", String(args.query))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.filter_by != null) query.append("filter_by", String(args.filter_by))
if (args.volume_tw != null) query.append("volume_tw", String(args.volume_tw))
if (args.fee_tvl_ratio_tw != null) query.append("fee_tvl_ratio_tw", String(args.fee_tvl_ratio_tw))

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