import {z} from 'zod'

export type TimeWindow = '1d' | '7d' | '30d' | 'all_time';

export type LeaderboardSortBy = 'realized_pnl' | 'total_pnl' | 'volume' | 'roi' | 'profit_factor' | 'win_rate' | 'trades';

export type OrderDirection = 'asc' | 'desc';

export type GetApiV2PolymarketLeaderboardMarketConditionIdArgs = {condition_id: string, window?: TimeWindow | undefined, sort_by?: LeaderboardSortBy | undefined, order?: OrderDirection | undefined, min_total_pnl?: (number | null) | undefined, max_total_pnl?: (number | null) | undefined, min_trades?: (number | null) | undefined, max_trades?: (number | null) | undefined, min_volume?: (number | null) | undefined, max_volume?: (number | null) | undefined, min_avg_buy_price?: (number | null) | undefined, max_avg_buy_price?: (number | null) | undefined, min_avg_sell_price?: (number | null) | undefined, max_avg_sell_price?: (number | null) | undefined, min_entry_edge?: (number | null) | undefined, max_entry_edge?: (number | null) | undefined, limit?: number | undefined, pagination_key?: (string | null) | undefined};

export type GetApiV2PolymarketLeaderboardMarketConditionIdOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const timeWindow = z.enum(["1d", "7d", "30d", "all_time"]);

export const leaderboardSortBy = z.enum(["realized_pnl", "total_pnl", "volume", "roi", "profit_factor", "win_rate", "trades"]);

export const windowMetrics = z.object({realized_pnl: z.number(), total_pnl: z.number().nullable().optional(), volume: z.number(), roi: z.number(), trades: z.number().int(), wins: z.number().int(), losses: z.number().int(), win_rate: z.number(), profit_factor: z.number(), positions_closed: z.number().int(), avg_buy_price: z.number().nullable().optional(), avg_sell_price: z.number().nullable().optional(), fees_paid: z.number().optional(), fees_refunded: z.number().optional()});

export const tradingStyleFlags = z.object({is_whale: z.boolean(), is_market_maker: z.boolean(), is_active_trader: z.boolean(), is_buy_and_hold: z.boolean(), is_degen: z.boolean(), is_high_conviction: z.boolean(), is_contrarian: z.boolean(), is_value_hunter: z.boolean(), primary_style: z.string()});

export const leaderboardEntry = z.object({rank: z.number().int(), user: z.string(), metrics: windowMetrics, trading_styles: tradingStyleFlags, entry_edge: z.number().nullable().optional(), first_trade_at: z.number().int().nullable().optional()});

export const cursorPagination = z.object({limit: z.number().int(), count: z.number().int(), pagination_key: z.string().nullable().optional(), has_more: z.boolean()});

export const marketLeaderboardResponse = z.object({condition_id: z.string(), window: timeWindow, sort_by: leaderboardSortBy, entries: z.array(leaderboardEntry), pagination: cursorPagination});

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 Market Leaderboard
 * 
 * GET /v2/polymarket/leaderboard/market/{condition_id}
 */
export const getApiV2PolymarketLeaderboardMarketConditionId = async (args: GetApiV2PolymarketLeaderboardMarketConditionIdArgs, options?: GetApiV2PolymarketLeaderboardMarketConditionIdOptions) => {
const {baseUrl = "https://api.predexon.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.window != null) query.append("window", String(args.window))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.order != null) query.append("order", String(args.order))
if (args.min_total_pnl != null) query.append("min_total_pnl", String(args.min_total_pnl))
if (args.max_total_pnl != null) query.append("max_total_pnl", String(args.max_total_pnl))
if (args.min_trades != null) query.append("min_trades", String(args.min_trades))
if (args.max_trades != null) query.append("max_trades", String(args.max_trades))
if (args.min_volume != null) query.append("min_volume", String(args.min_volume))
if (args.max_volume != null) query.append("max_volume", String(args.max_volume))
if (args.min_avg_buy_price != null) query.append("min_avg_buy_price", String(args.min_avg_buy_price))
if (args.max_avg_buy_price != null) query.append("max_avg_buy_price", String(args.max_avg_buy_price))
if (args.min_avg_sell_price != null) query.append("min_avg_sell_price", String(args.min_avg_sell_price))
if (args.max_avg_sell_price != null) query.append("max_avg_sell_price", String(args.max_avg_sell_price))
if (args.min_entry_edge != null) query.append("min_entry_edge", String(args.min_entry_edge))
if (args.max_entry_edge != null) query.append("max_entry_edge", String(args.max_entry_edge))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.pagination_key != null) query.append("pagination_key", String(args.pagination_key))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/polymarket/leaderboard/market/${encodeURIComponent(String(args.condition_id))}${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(marketLeaderboardResponse, await res.json())
};