import {z} from 'zod'

export type DateRange = {from?: string | undefined, to?: string | undefined};

export type PaginationRequest = {page?: number | undefined, per_page?: number | undefined};

export type PerpTraderType = 'all' | 'sm' | 'whale' | 'public_figure' | 'high_winrate_hl_perps_trader';

export type NumericRangeFilter = {min?: number | undefined, max?: number | undefined};

export type IntegerRangeFilter = {min?: number | undefined, max?: number | undefined};

export type PerpScreenerFilters = {trader_type?: PerpTraderType | undefined, only_smart_money?: boolean | undefined, sectors_filter?: Array<string> | undefined, sm_label_filter?: Array<string> | undefined, trader_label_filter?: Array<string> | undefined, token_symbol?: string | undefined, volume?: NumericRangeFilter | undefined, buy_volume?: NumericRangeFilter | undefined, sell_volume?: NumericRangeFilter | undefined, buy_sell_pressure?: NumericRangeFilter | undefined, trader_count?: IntegerRangeFilter | undefined, mark_price?: NumericRangeFilter | undefined, funding?: NumericRangeFilter | undefined, previous_price_usd?: NumericRangeFilter | undefined, open_interest?: NumericRangeFilter | undefined, smart_money_volume?: NumericRangeFilter | undefined, smart_money_buy_volume?: NumericRangeFilter | undefined, smart_money_sell_volume?: NumericRangeFilter | undefined, net_position_change?: NumericRangeFilter | undefined, current_smart_money_position_longs_usd?: NumericRangeFilter | undefined, current_smart_money_position_shorts_usd?: NumericRangeFilter | undefined, smart_money_longs_count?: IntegerRangeFilter | undefined, smart_money_shorts_count?: IntegerRangeFilter | undefined};

export type PerpScreenerSortFieldDefault = 'token_symbol' | 'volume' | 'buy_volume' | 'sell_volume' | 'buy_sell_pressure' | 'trader_count' | 'mark_price' | 'funding' | 'previous_price_usd' | 'open_interest';

export type PerpScreenerSortFieldSmartMoney = 'token_symbol' | 'smart_money_volume' | 'smart_money_buy_volume' | 'smart_money_sell_volume' | 'net_position_change' | 'trader_count' | 'mark_price' | 'funding' | 'previous_price_usd' | 'open_interest' | 'current_smart_money_position_longs_usd' | 'current_smart_money_position_shorts_usd' | 'smart_money_longs_count' | 'smart_money_shorts_count';

export type PerpScreenerSortFieldNotableLabel = 'token_symbol' | 'volume' | 'buy_volume' | 'sell_volume' | 'net_position_change' | 'trader_count' | 'mark_price' | 'funding' | 'open_interest' | 'current_position_longs_usd' | 'current_position_shorts_usd' | 'longs_count' | 'shorts_count';

export type SortDirection = 'ASC' | 'DESC';

export type SortOrderUnionPerpScreenerSortFieldDefaultPerpScreenerSortFieldSmartMoneyPerpScreenerSortFieldNotableLabel = {field: PerpScreenerSortFieldDefault | PerpScreenerSortFieldSmartMoney | PerpScreenerSortFieldNotableLabel, direction: SortDirection};

export type PerpScreenerRequest = {date: DateRange, pagination?: PaginationRequest | undefined, filters?: PerpScreenerFilters | undefined, order_by?: Array<SortOrderUnionPerpScreenerSortFieldDefaultPerpScreenerSortFieldSmartMoneyPerpScreenerSortFieldNotableLabel> | undefined};

export type CreateApiApiV1PerpScreenerArgs = {body: PerpScreenerRequest};

export type CreateApiApiV1PerpScreenerOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const perpScreenerDataDefault = z.object({volume: z.number().optional(), buy_volume: z.number().optional(), sell_volume: z.number().optional(), buy_sell_pressure: z.number().optional(), trader_count: z.number().int().optional(), token_symbol: z.string(), mark_price: z.number().optional(), funding: z.number().optional(), open_interest: z.number().optional(), previous_price_usd: z.number().optional()});

export const perpScreenerDataSmartMoney = z.object({smart_money_volume: z.number().optional(), smart_money_buy_volume: z.number().optional(), smart_money_sell_volume: z.number().optional(), net_position_change: z.number().optional(), trader_count: z.number().int().optional(), token_symbol: z.string(), mark_price: z.number().optional(), funding: z.number().optional(), previous_price_usd: z.number().optional(), open_interest: z.number().optional(), current_smart_money_position_longs_usd: z.number().optional(), current_smart_money_position_shorts_usd: z.number().optional(), smart_money_longs_count: z.number().int().optional(), smart_money_shorts_count: z.number().int().optional()});

export const perpScreenerDataNotableLabel = z.object({volume: z.number().optional(), buy_volume: z.number().optional(), sell_volume: z.number().optional(), net_position_change: z.number().optional(), trader_count: z.number().int().optional(), token_symbol: z.string(), mark_price: z.number().optional(), funding: z.number().optional(), open_interest: z.number().optional(), current_position_longs_usd: z.number().optional(), current_position_shorts_usd: z.number().optional(), longs_count: z.number().int().optional(), shorts_count: z.number().int().optional()});

export const paginationInfo = z.object({page: z.number().int().gte(1).optional(), per_page: z.number().int().gte(1).lte(1000).optional(), is_last_page: z.boolean().optional()});

export const perpScreenerResponse = z.object({data: z.array(z.union([perpScreenerDataDefault, perpScreenerDataSmartMoney, perpScreenerDataNotableLabel])), pagination: paginationInfo});

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 Perpetual Contract Screening Data
 * 
 * POST /api/v1/perp-screener
 */
export const createApiApiV1PerpScreener = async (args: CreateApiApiV1PerpScreenerArgs, options?: CreateApiApiV1PerpScreenerOptions) => {
const {baseUrl = "https://api.nansen.ai", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("apiKey", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/perp-screener${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(perpScreenerResponse, await res.json())
};