import {z} from 'zod'

export type GetApiSwapV7ChainIdArgs = {chainId: number, referrer?: string | undefined, tokenIn: string, tokenOut: string, sender: string, recipient?: string | undefined, amount: number, fee?: number | undefined, feeReceiver?: string | undefined, feeBy?: ('input' | 'output') | undefined, maxPriceImpact?: number | undefined, maxSlippage?: number | undefined, source?: ('sender' | 'self') | undefined, onlyDEX?: string | undefined, onlyPools?: string | undefined, excludeDEX?: string | undefined, excludePools?: string | undefined, excludeTokens?: string | undefined, visualize?: boolean | undefined, simulate?: boolean | undefined, override?: boolean | undefined, validate?: boolean | undefined};

export type GetApiSwapV7ChainIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiSwapV7ChainIdResponse = z.object({});

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
};

/**
 * generates a swap
 * 
 * GET /swap/v7/{chainId}
 */
export const getApiSwapV7ChainId = async (args: GetApiSwapV7ChainIdArgs, options?: GetApiSwapV7ChainIdOptions) => {
const {baseUrl = "https://api.sushi.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.referrer != null) query.append("referrer", String(args.referrer))
if (args.tokenIn != null) query.append("tokenIn", String(args.tokenIn))
if (args.tokenOut != null) query.append("tokenOut", String(args.tokenOut))
if (args.sender != null) query.append("sender", String(args.sender))
if (args.recipient != null) query.append("recipient", String(args.recipient))
if (args.amount != null) query.append("amount", String(args.amount))
if (args.fee != null) query.append("fee", String(args.fee))
if (args.feeReceiver != null) query.append("feeReceiver", String(args.feeReceiver))
if (args.feeBy != null) query.append("feeBy", String(args.feeBy))
if (args.maxPriceImpact != null) query.append("maxPriceImpact", String(args.maxPriceImpact))
if (args.maxSlippage != null) query.append("maxSlippage", String(args.maxSlippage))
if (args.source != null) query.append("source", String(args.source))
if (args.onlyDEX != null) query.append("onlyDEX", String(args.onlyDEX))
if (args.onlyPools != null) query.append("onlyPools", String(args.onlyPools))
if (args.excludeDEX != null) query.append("excludeDEX", String(args.excludeDEX))
if (args.excludePools != null) query.append("excludePools", String(args.excludePools))
if (args.excludeTokens != null) query.append("excludeTokens", String(args.excludeTokens))
if (args.visualize != null) query.append("visualize", String(args.visualize))
if (args.simulate != null) query.append("simulate", String(args.simulate))
if (args.override != null) query.append("override", String(args.override))
if (args.validate != null) query.append("validate", String(args.validate))

const url = `${baseUrl.replace(/\/+$/, '')}/swap/v7/${encodeURIComponent(String(args.chainId))}${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(getApiSwapV7ChainIdResponse, await res.json())
};