import {z} from 'zod'

export type GetApiV2PnlLeaderboardKolsArgs = {sort?: ('total' | 'realized' | 'unrealized' | 'invested' | 'proceeds' | 'value' | 'trades' | 'tokens' | 'roi' | 'win_percentage' | 'last_trade') | undefined, direction?: ('asc' | 'desc') | undefined, limit?: number | undefined, cursor?: string | undefined};

export type GetApiV2PnlLeaderboardKolsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const pnlBlock = z.object({realized: z.number().nullable().optional(), realizedRaw: z.number().nullable().optional(), unrealized: z.number().nullable().optional(), total: z.number().nullable().optional()});

export const identity = z.object({name: z.string().nullable().optional(), twitter: z.string().nullable().optional(), avatar: z.string().nullable().optional(), type: z.string().nullable().optional(), tags: z.array(z.string()).optional(), platforms: z.array(z.string()).optional(), bot: z.object({name: z.string().nullable().optional(), avatar: z.string().nullable().optional()}).optional(), pool: z.object({program: z.string().nullable().optional(), poolAddress: z.string().nullable().optional()}).optional(), developer: z.object({token: z.string().nullable().optional(), via: z.array(z.string()).optional(), pools: z.array(z.string()).optional(), creationTx: z.string().nullable().optional(), createdAt: z.number().int().nullable().optional()}).optional(), hacker: z.object({label: z.string().nullable().optional()}).optional(), spamDusting: z.object({label: z.string().nullable().optional()}).optional(), exchange: z.object({name: z.string().nullable().optional()}).optional()});

export const pagination = z.object({hasMore: z.boolean(), nextCursor: z.string().nullable(), count: z.number().int(), total: z.number().int(), pnlMode: z.enum(["strict", "adjusted", "raw"]).optional(), enrich: z.array(z.string()).optional()});

export const getApiV2PnlLeaderboardKolsResponse = z.object({traders: z.array(z.object({wallet: z.string().optional(), pnl: pnlBlock.optional(), invested: z.number().nullable().optional(), proceeds: z.number().nullable().optional(), openPositions: z.object({cost: z.number().nullable().optional(), value: z.number().nullable().optional()}).optional(), counts: z.object({buys: z.number().int().optional(), sells: z.number().int().optional(), trades: z.number().int().optional(), tokensTraded: z.number().int().optional(), tokensHeldEver: z.number().int().optional()}).optional(), averages: z.object({buy: z.number().nullable().optional(), sell: z.number().nullable().optional()}).optional(), tokens: z.object({profitable: z.number().int().optional(), losing: z.number().int().optional(), closed: z.number().int().optional()}).optional(), winRate: z.number().nullable().optional(), roi: z.number().nullable().optional(), timing: z.object({firstTrade: z.number().int().nullable().optional(), lastTrade: z.number().int().nullable().optional()}).optional(), updatedAt: z.string().nullable().optional(), identity: identity.optional()})).optional(), pagination: pagination.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
};

/**
 * Get KOL Leaderboard
 * 
 * GET /v2/pnl/leaderboard/kols
 */
export const getApiV2PnlLeaderboardKols = async (args: GetApiV2PnlLeaderboardKolsArgs, options?: GetApiV2PnlLeaderboardKolsOptions) => {
const {baseUrl = "https://data.solanatracker.io", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.sort != null) query.append("sort", String(args.sort))
if (args.direction != null) query.append("direction", String(args.direction))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/pnl/leaderboard/kols${query.size > 0 ? `?${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(getApiV2PnlLeaderboardKolsResponse, await res.json())
};