import {z} from 'zod'

export type GetApiPortfolioArgs = {user: string, page?: number | undefined, page_size?: number | undefined, days_back?: number | undefined};

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

export const poolPortfolioItem = z.object({baseFee: z.string(), binStep: z.string(), collectFeeMode: z.number().int().gte(0), lastClosedAt: z.unknown(), pnlPctChange: z.string(), pnlSol: z.string(), pnlSolPctChange: z.string(), pnlUsd: z.string(), poolAddress: z.string(), tokenX: z.string(), tokenXIcon: z.string(), tokenXMint: z.string(), tokenY: z.string(), tokenYIcon: z.string(), tokenYMint: z.string(), totalDeposit: z.string(), totalDepositSol: z.string(), totalDepositTokenX: z.string(), totalDepositTokenXSol: z.string(), totalDepositTokenXUsd: z.string(), totalDepositTokenY: z.string(), totalDepositTokenYSol: z.string(), totalDepositTokenYUsd: z.string(), totalFee: z.string(), totalFeeSol: z.string(), totalFeeTokenX: z.string(), totalFeeTokenXSol: z.string(), totalFeeTokenXUsd: z.string(), totalFeeTokenY: z.string(), totalFeeTokenYSol: z.string(), totalFeeTokenYUsd: z.string(), totalWithdrawal: z.string(), totalWithdrawalSol: z.string(), totalWithdrawalTokenX: z.string(), totalWithdrawalTokenXSol: z.string(), totalWithdrawalTokenXUsd: z.string(), totalWithdrawalTokenY: z.string(), totalWithdrawalTokenYSol: z.string(), totalWithdrawalTokenYUsd: z.string()});

export const getPortfolioResponse = z.object({hasNext: z.boolean(), page: z.number().int().gte(0), pageSize: z.number().int().gte(0), pools: z.array(poolPortfolioItem), totalCount: z.number().int().gte(0), totalPositions: 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
};

/**
 * Get user portfolio with all pools containing closed positions
 * 
 * GET /portfolio
 */
export const getApiPortfolio = async (args: GetApiPortfolioArgs, options?: GetApiPortfolioOptions) => {
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.user != null) query.append("user", String(args.user))
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.days_back != null) query.append("days_back", String(args.days_back))

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