import {z} from 'zod'

export type GetApiApiV1MarketInstrumentsInfoOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const slippageTolerance = z.union([z.object({tick_size: z.number().int().gte(0)}), z.object({percent: z.number()})]);

export const leverageFilter = z.object({leverage_step: z.string(), max_leverage: z.string(), min_leverage: z.string()});

export const lotSizeFilter = z.object({max_mkt_order_qty: z.string(), max_order_qty: z.string(), min_notional_value: z.string(), min_order_qty: z.string(), post_only_max_order_qty: z.string(), qty_step: z.string()});

export const priceFilter = z.object({max_price: z.string(), min_price: z.string(), tick_size: z.string()});

export const instrumentInfo = z.object({addr: z.string(), base_coin: z.string(), base_scale: z.number().int().gte(0), default_slippage_tolerance: slippageTolerance, delivery_fee_rate: z.string(), delivery_time: z.string(), funding_interval: z.number().int().gte(0), launch_time: z.string(), leverage_filter: leverageFilter, lot_size_filter: lotSizeFilter, maker_base_fee: z.string(), maker_fee_rate: z.string(), price_filter: priceFilter, price_scale: z.number().int().gte(0), quote_addr: z.string(), quote_coin: z.string(), quote_scale: z.number().int().gte(0), settle_coin: z.string(), status: z.string(), symbol: z.string(), taker_base_fee: z.string(), taker_fee_rate: z.string(), unified_margin_trade: z.boolean()});

export const getInstrumentsInfoResponse = z.object({aptos_network: z.string(), build_id: z.string(), package_id: z.string().nullable().optional(), perpetual_addr: z.string().optional(), quote_asset_metadata: z.string(), runtime_manifest_generation: z.number().int().gte(0), runtime_manifest_phase: z.string(), category: z.string(), list: z.array(instrumentInfo)});

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 /api/v1/market/instruments-info
 */
export const getApiApiV1MarketInstrumentsInfo = async (options?: GetApiApiV1MarketInstrumentsInfoOptions) => {
const {baseUrl = "https://api.ekiden.fi", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/market/instruments-info${query.size > 0 ? `?${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(getInstrumentsInfoResponse, await res.json())
};