import {z} from 'zod'

export type SfcApiUnixEpoch = number;

export type SfcApiOrderbookFillsCursor = string;

export type GetApiPreviewV2OrderbookFillsArgs = {requirements?: string | undefined, start_at: SfcApiUnixEpoch, end_at: SfcApiUnixEpoch, since_at?: SfcApiUnixEpoch | undefined, limit?: number | undefined, starting_after?: SfcApiOrderbookFillsCursor | undefined};

export type GetApiPreviewV2OrderbookFillsOptions = {baseUrl: string, sfcApiBearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const sfcApiInstanceTypeCategoryVariant = z.string();

export const sfcApiInstanceTypeCategoryRequirements = z.array(sfcApiInstanceTypeCategoryVariant);

export const sfcApiInstanceTypeRequirements = z.record(z.string(), sfcApiInstanceTypeCategoryRequirements);

export const sfcApiUnixEpoch = z.number().int();

export const sfcApiOrderbookFillsCursor = z.string();

export const sfcApiDollarsPerNodeHour = z.string();

export const sfcApiOrderbookFill = z.object({dollars_per_node_hour: sfcApiDollarsPerNodeHour, node_count: z.number().int(), filled_at: sfcApiUnixEpoch});

export const sfcApiListOrderbookFillsResponse = z.object({object: z.literal("list"), requirements: sfcApiInstanceTypeRequirements, start_at: sfcApiUnixEpoch, end_at: sfcApiUnixEpoch, requested_at: sfcApiUnixEpoch, cursor: sfcApiOrderbookFillsCursor.nullable().optional(), has_more: z.boolean(), data: z.array(sfcApiOrderbookFill)});

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
};

/**
 * List market fills
 * 
 * GET /preview/v2/orderbook/fills
 */
export const getApiPreviewV2OrderbookFills = async (args: GetApiPreviewV2OrderbookFillsArgs, options: GetApiPreviewV2OrderbookFillsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, sfcApiBearerAuth} = options ?? {}

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

if (args.requirements != null) query.append("requirements", String(args.requirements))
if (args.start_at != null) query.append("start_at", String(args.start_at))
if (args.end_at != null) query.append("end_at", String(args.end_at))
if (args.since_at != null) query.append("since_at", String(args.since_at))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.starting_after != null) query.append("starting_after", String(args.starting_after))
if (sfcApiBearerAuth !== undefined) headers.set('authorization', `Bearer ${sfcApiBearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/preview/v2/orderbook/fills${query.size > 0 ? `?${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(sfcApiListOrderbookFillsResponse, await res.json())
};