import {z} from 'zod'

export type GetApiPositionsAddressArgs = {address: string, 'x-api-key'?: string | undefined, 'x-api-version'?: string | undefined};

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

export const positionsResponse = z.object({positions: z.array(z.object({venue: z.literal("aave"), kind: z.literal("lending"), market: z.object({address: z.string(), name: z.string()}), chain: z.string(), asset: z.object({address: z.string(), symbol: z.string(), decimals: z.number()}), amount: z.string(), usdValue: z.number(), apy: z.number(), isCollateral: z.boolean(), maxWithdrawable: z.string(), withdrawableUsd: z.number(), isFullExit: z.boolean(), constraints: z.array(z.enum(["health_factor", "frozen_reserve", "nothing_supplied", "paused_reserve", "ltv_validation", "available_liquidity", "below_deposit_floor", "deposit_not_whitelisted", "outside_session_scope"]))})), totalUsd: z.number(), minDepositUsd: z.number(), failures: z.array(z.object({venue: z.string(), reason: z.string()})).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 withdrawable positions
 * 
 * GET /positions/{address}
 * 
 * Also accepts auth: internalProjectBearer
 */
export const getApiPositionsAddress = async (args: GetApiPositionsAddressArgs, options?: GetApiPositionsAddressOptions) => {
const {baseUrl = "https://v1.orchestrator.rhinestone.dev/deposit-processor", fetch: fetchFn = fetch, tenantApiKey} = options ?? {}

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

if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))
if (args['x-api-version'] != null) headers.set("x-api-version", String(args['x-api-version']))
if (tenantApiKey !== undefined) headers.set("x-api-key", tenantApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/positions/${encodeURIComponent(String(args.address))}${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(positionsResponse, await res.json())
};