import {z} from 'zod'

export type GetApiApiPublicV1LiveLiquidationHeatmapCoinArgs = {coin: string, buckets?: number | undefined, range?: number | undefined};

export type GetApiApiPublicV1LiveLiquidationHeatmapCoinOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const heatmapBucket = z.object({cumulativeLongNotional: z.number(), cumulativeShortNotional: z.number(), longNotionalAtRisk: z.number(), longPositions: z.number().int(), priceHigh: z.number(), priceLow: z.number(), shortNotionalAtRisk: z.number(), shortPositions: z.number().int(), totalNotionalAtRisk: z.number()});

export const liquidationHeatmapBody = z.object({$schema: z.string().optional(), buckets: z.array(heatmapBucket).nullable(), coin: z.string(), currentPrice: z.number(), timestamp: z.number().int(), totalLongAtRisk: z.number(), totalShortAtRisk: z.number()});

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
};

/**
 * Inspect potential liquidation exposure by price
 * 
 * GET /api/public/v1/live/liquidation-heatmap/{coin}
 */
export const getApiApiPublicV1LiveLiquidationHeatmapCoin = async (args: GetApiApiPublicV1LiveLiquidationHeatmapCoinArgs, options?: GetApiApiPublicV1LiveLiquidationHeatmapCoinOptions) => {
const {baseUrl = "https://api.coinversa.ai", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.buckets != null) query.append("buckets", String(args.buckets))
if (args.range != null) query.append("range", String(args.range))
if (apiKey !== undefined) headers.set("X-API-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/api/public/v1/live/liquidation-heatmap/${encodeURIComponent(String(args.coin))}${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(liquidationHeatmapBody, await res.json())
};