import {z} from 'zod'

export type GetApiDefiV3OhlcvPairArgs = {'x-chain'?: ('solana' | 'bsc' | 'base' | 'ethereum' | 'monad' | 'aptos' | 'fogo' | 'mantle' | 'hyperevm' | 'megaeth' | 'robinhood') | undefined, address: string, type: '1s' | '15s' | '30s' | '1m' | '3m' | '5m' | '15m' | '30m' | '1H' | '2H' | '4H' | '6H' | '8H' | '12H' | '1D' | '3D' | '1W' | '1M', time_from: number, time_to: number, mode?: ('range' | 'count') | undefined, count_limit?: number | undefined, padding?: boolean | undefined, outlier?: boolean | undefined, inversion?: boolean | undefined};

export type GetApiDefiV3OhlcvPairOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const defiOhlcvPairV3Response = z.object({success: z.boolean(), data: z.object({items: z.array(z.object({o: z.number(), h: z.number(), l: z.number(), c: z.number(), v: z.number(), v_usd: z.number(), address: z.string(), type: z.string(), unix_time: z.number().int(), currency: 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
};

/**
 * OHLCV V3 - Pair
 * 
 * GET /defi/v3/ohlcv/pair
 */
export const getApiDefiV3OhlcvPair = async (args: GetApiDefiV3OhlcvPairArgs, options?: GetApiDefiV3OhlcvPairOptions) => {
const {baseUrl = "https://public-api.birdeye.so", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (args['x-chain'] != null) headers.set("x-chain", String(args['x-chain']))
if (args.address != null) query.append("address", String(args.address))
if (args.type != null) query.append("type", String(args.type))
if (args.time_from != null) query.append("time_from", String(args.time_from))
if (args.time_to != null) query.append("time_to", String(args.time_to))
if (args.mode != null) query.append("mode", String(args.mode))
if (args.count_limit != null) query.append("count_limit", String(args.count_limit))
if (args.padding != null) query.append("padding", String(args.padding))
if (args.outlier != null) query.append("outlier", String(args.outlier))
if (args.inversion != null) query.append("inversion", String(args.inversion))
if (apiKeyAuth !== undefined) headers.set("X-API-KEY", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/defi/v3/ohlcv/pair${query.size > 0 ? `?${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(defiOhlcvPairV3Response, await res.json())
};