import {z} from 'zod'

export type FxPairDto = {sourceCurrency: string, sourceNetwork?: string | undefined, sourceRail?: string | undefined, destinationCurrency: string, destinationNetwork?: string | undefined, destinationRail?: string | undefined};

export type FxAmountDto = {value: string, side: 'SOURCE' | 'DESTINATION'};

export type CreateFxQuoteDto = {onBehalfOf: string, pair: FxPairDto, amount: FxAmountDto, maxSlippageBps?: number | undefined};

export type CreateApiV1FxQuotesArgs = {'X-API-Key'?: string | undefined, 'Idempotency-Key'?: string | undefined, body: CreateFxQuoteDto};

export type CreateApiV1FxQuotesOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const fxPairDto = z.object({sourceCurrency: z.string(), sourceNetwork: z.string().optional(), sourceRail: z.string().optional(), destinationCurrency: z.string(), destinationNetwork: z.string().optional(), destinationRail: z.string().optional()});

export const fxAmountDto = z.object({value: z.string(), side: z.enum(["SOURCE", "DESTINATION"])});

export const fxQuoteExpectedDepositDetailsDto = z.object({kind: z.enum(["CRYPTO_ADDRESS", "FIAT_INSTRUCTIONS_ON_ACCEPT"]), address: z.string().optional(), network: z.string().optional(), note: z.string()});

export const fxQuoteResponseDto = z.object({id: z.string(), pair: fxPairDto, amount: fxAmountDto, grossSource: z.string(), displayedDestination: z.string(), rate: z.string(), referenceRate: z.string().optional(), referenceRateAsOf: z.string().optional(), referenceProvider: z.literal("XE").optional(), expiresAt: z.string(), indicativeRateExpiresAt: z.string().optional(), quoteBinding: z.enum(["PERSISTED", "AT_ACCEPT"]).optional(), expectedDepositDetails: fxQuoteExpectedDepositDetailsDto.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 a firm FX quote
 * 
 * POST /v1/fx/quotes
 * 
 * Also accepts auth: bearer
 */
export const createApiV1FxQuotes = async (args: CreateApiV1FxQuotesArgs, options?: CreateApiV1FxQuotesOptions) => {
const {baseUrl = "https://sandbox.api.infinite.dev", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args['X-API-Key'] != null) headers.set("X-API-Key", String(args['X-API-Key']))
if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/fx/quotes${query.size > 0 ? `?${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(fxQuoteResponseDto, await res.json())
};