import {z} from 'zod'

export type ChainDescriptor = 'ATOM_COS' | 'AXL' | 'AXL_TEST' | 'CELESTIA' | 'DYDX_DYDX' | 'ETH' | 'ETH_TEST6' | 'ETH_TEST_HOODI' | 'INJ_INJ' | 'MANTRA' | 'MATIC' | 'OSMO' | 'POL' | 'POL_TEST' | 'SOL' | 'SOL_TEST' | 'STETH_ETH' | 'STETH_ETH_TEST6_DZFA' | 'STETH_ETH_TEST_HOODI';

export type GetApiStakingPositionsPaginatedArgs = {chainDescriptor?: ChainDescriptor | undefined, vaultAccountId?: unknown | undefined, pageSize: number, pageCursor?: string | undefined, order?: ('ASC' | 'DESC') | undefined};

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

export const stakingProvider = z.enum(["kiln", "figment", "lido", "p2p", "blockdaemon", "galaxy", "pierTwo", "kraken"]);

export const solanaRewardsBreakdown = z.object({inflation: z.string(), mev: z.string(), lastRewardSyncedAt: z.string()});

export const solanaBlockchainData = z.object({stakeAccountAddress: z.string(), stakeAccountDerivationChangeValue: z.number(), rewardsBreakdown: solanaRewardsBreakdown.optional()});

export const ethereumBlockchainData = z.object({isCompoundingValidator: z.boolean(), estimatedActivationTime: z.string().optional(), estimatedSourceExitTime: z.string().optional(), estimatedConsolidationTime: z.string().optional(), estimatedWithdrawalTime: z.string().optional()});

export const stEthBlockchainData = z.object({totalWithdrawableAmount: z.string(), totalInactiveAmount: z.string()});

export const position = z.object({id: z.string(), vaultAccountId: z.string(), validatorName: z.string(), providerName: z.string(), chainDescriptor: z.string(), amount: z.string(), rewardsAmount: z.string().nullable(), dateCreated: z.string(), dateUpdated: z.string(), status: z.enum(["CREATING", "PENDING", "ACTIVATING", "ACTIVE", "DEACTIVATING", "DEACTIVATED", "WITHDRAWING", "WITHDRAWN", "MERGED", "CONSOLIDATED", "CANCELED", "FAILED"]), validatorAddress: z.string(), providerId: stakingProvider, availableActions: z.array(z.enum(["UNSTAKE", "WITHDRAW", "ADD_TO_STAKE", "SPLIT", "MERGE", "CLAIM_REWARDS", "CONSOLIDATE"])), inProgress: z.boolean(), inProgressTxId: z.string().optional(), blockchainPositionInfo: z.discriminatedUnion("chainDescriptor", [solanaBlockchainData, ethereumBlockchainData, stEthBlockchainData])});

export const stakingPositionsPaginatedResponse = z.object({data: z.array(position), next: z.string().nullable().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
};

/**
 * List staking positions (Paginated)
 * 
 * GET /staking/positions_paginated
 */
export const getApiStakingPositionsPaginated = async (args: GetApiStakingPositionsPaginatedArgs, options?: GetApiStakingPositionsPaginatedOptions) => {
const {baseUrl = "https://api.fireblocks.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.chainDescriptor != null) query.append("chainDescriptor", String(args.chainDescriptor))
if (args.vaultAccountId != null) query.append("vaultAccountId", String(args.vaultAccountId))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageCursor != null) query.append("pageCursor", String(args.pageCursor))
if (args.order != null) query.append("order", String(args.order))

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