import {z} from 'zod'

export type GetApiMenuLayoutStatsCompareArgs = {button_id?: (string | null) | undefined, current_days?: number | undefined, previous_days?: number | undefined};

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

export const appWebapiSchemasMenuLayoutPeriodComparisonResponse = z.object({current_period: z.record(z.string(), z.unknown()), previous_period: z.record(z.string(), z.unknown()), change: z.record(z.string(), z.unknown()), button_id: z.string().nullable().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
};

/**
 * Get Period Comparison
 * 
 * GET /menu-layout/stats/compare
 */
export const getApiMenuLayoutStatsCompare = async (args: GetApiMenuLayoutStatsCompareArgs, options: GetApiMenuLayoutStatsCompareOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.button_id != null) query.append("button_id", String(args.button_id))
if (args.current_days != null) query.append("current_days", String(args.current_days))
if (args.previous_days != null) query.append("previous_days", String(args.previous_days))
if (APIKeyHeader !== undefined) headers.set("X-API-Key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/menu-layout/stats/compare${query.size > 0 ? `?${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(appWebapiSchemasMenuLayoutPeriodComparisonResponse, await res.json())
};