import {z} from 'zod'

export type GetApiV1BalancesWalletAddressArgs = {walletAddress: string, tokens?: string | undefined};

export type GetApiV1BalancesWalletAddressOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, OriginHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const domain = z.object({name: z.string(), version: z.string(), chainId: z.number().int(), verifyingContract: z.string()});

export const typeDetail = z.object({name: z.string(), type: z.string()});

export const types = z.object({Withdrawal: z.array(typeDetail)});

export const value = z.object({token: z.string(), poolContract: z.string(), amount: z.string().nullable().optional(), deadline: z.string().nullable().optional()});

export const withdrawalRequestData = z.object({domain: domain, types: types, value: value});

export const poolBalance = z.object({poolAddress: z.string(), poolName: z.string(), balanceRaw: z.string(), balanceFormatted: z.string(), apy: z.string(), chain: z.string(), chainId: z.number().int(), withdrawRequest: withdrawalRequestData});

export const protocolBalance = z.object({protocolName: z.string(), protocolIconUrl: z.string(), totalBalanceRaw: z.string(), totalBalanceFormatted: z.string(), perPool: z.array(poolBalance)});

export const chainBalance = z.object({chain: z.string(), chainId: z.number().int(), totalBalanceRaw: z.string(), totalBalanceFormatted: z.string(), perProtocol: z.array(protocolBalance)});

export const spendingInfo = z.object({lineaUsdcBalanceRaw: z.string(), lineaUsdcBalanceFormatted: z.string(), lineaAaveUsdcBalanceRaw: z.string(), lineaAaveUsdcBalanceFormatted: z.string(), lineaAaveApy: z.string()});

export const token = z.object({symbol: z.enum(["USDC", "MUSD", "USDT", "RLUSD", "USDG", "USDE", "PYUSD"]), name: z.string(), address: z.string(), decimals: z.number().int(), version: z.string().nullable().optional()});

export const poolApyInfo = z.object({native: z.string(), rewards: z.record(z.string(), z.string()), total: z.string(), totalNet: z.string(), performanceFee: z.string()});

export const poolSignData = z.object({protocolId: z.number().int(), poolAddress: z.string(), domainId: z.number().int()});

export const pool = z.object({protocolName: z.string(), protocolVersion: z.string(), protocolDescription: z.string(), protocolUrl: z.string(), poolAddress: z.string(), poolName: z.string(), chain: z.string(), chainId: z.number().int(), underlyingToken: token, poolTvl: z.string(), poolLiquidity: z.string(), collateralExposure: z.record(z.string(), z.string()).nullable().optional(), poolApy: poolApyInfo, signData: poolSignData, blacklisted: z.boolean()});

export const bridgeBalance = z.object({sourcePool: pool.optional(), destinationPool: pool, balanceRaw: z.string(), balanceFormatted: z.string(), estimatedCompletion: z.string(), estimatedCompletionTimestamp: z.number().int(), isForSpending: z.boolean()});

export const tokenBalance = z.object({token: z.string(), totalBalanceRaw: z.string(), totalBalanceFormatted: z.string(), netEarning: z.string(), aggregateApy: z.string(), perChain: z.array(chainBalance), spendingInfo: spendingInfo.optional(), bridgeBalances: z.array(bridgeBalance).nullable().optional()});

export const summary = z.object({totalBalanceFormatted: z.string(), totalNetEarnings: z.string(), queriedTokens: z.array(z.string()), queriedChains: z.array(z.string())});

export const getBalancesResponse = z.object({walletAddress: z.string(), rebalancerAddress: z.string(), perToken: z.array(tokenBalance), summary: summary});

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 rebalancer balances
 * 
 * GET /v1/balances/{walletAddress}
 */
export const getApiV1BalancesWalletAddress = async (args: GetApiV1BalancesWalletAddressArgs, options?: GetApiV1BalancesWalletAddressOptions) => {
const {baseUrl = "https://api.metalend.tech", fetch: fetchFn = fetch, ApiKeyAuth, OriginHeader} = options ?? {}

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

if (args.tokens != null) query.append("tokens", String(args.tokens))
if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)
if (OriginHeader !== undefined) headers.set("Origin", OriginHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/balances/${encodeURIComponent(String(args.walletAddress))}${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(getBalancesResponse, await res.json())
};