import {z} from 'zod'

export type Pair = {id?: string | undefined, baseTokenSymbol?: string | undefined, baseTokenAddress?: string | undefined, baseTokenDecimals?: number | undefined, quoteTokenSymbol?: string | undefined, quoteTokenAddress?: string | undefined, quoteTokenDecimals?: number | undefined, listed?: boolean | undefined, active?: boolean | undefined, rank?: number | undefined, makeFee?: string | undefined, takeFee?: string | undefined, createdAt?: string | undefined, updatedAt?: string | undefined};

export type CreateApiPairsArgs = {body: Pair};

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

export const pair = z.object({id: z.string().optional(), baseTokenSymbol: z.string().optional(), baseTokenAddress: z.string().optional(), baseTokenDecimals: z.number().int().optional(), quoteTokenSymbol: z.string().optional(), quoteTokenAddress: z.string().optional(), quoteTokenDecimals: z.number().int().optional(), listed: z.boolean().optional(), active: z.boolean().optional(), rank: z.number().int().optional(), makeFee: z.string().optional(), takeFee: z.string().optional(), createdAt: z.string().optional(), updatedAt: 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
};

/**
 * Create new pair
 * 
 * POST /pairs
 */
export const createApiPairs = async (args: CreateApiPairsArgs, options?: CreateApiPairsOptions) => {
const {baseUrl = "https://dex.tomochain.com/api", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/pairs${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(pair, await res.json())
};