import {z} from 'zod'

export type GetApiV2ForecastsDynamicRulesArgs = {externalUnitId: string, externalSectionId?: string | undefined};

export type GetApiV2ForecastsDynamicRulesOptions = {baseUrl?: string | undefined, OAuth2ClientCredentials?: string | undefined, fetch?: typeof fetch | undefined};

export const forecastDataIngestionExternalShiftType = z.object({externalShiftTypeId: z.string(), amount: z.number().int().lte(100000)});

export const forecastDataIngestionExternalDynamicRule = z.object({forecastExternalVariableId: z.string(), amount: z.number().int().lte(99999999999), weekdays: z.array(z.union([z.literal(0), z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5), z.literal(6)])), startTime: z.string(), endTime: z.string(), shiftTypes: z.array(forecastDataIngestionExternalShiftType)});

export const getApiV2ForecastsDynamicRulesResponse = z.array(forecastDataIngestionExternalDynamicRule);

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 dynamic rules
 * 
 * GET /v2/forecasts/dynamic-rules
 */
export const getApiV2ForecastsDynamicRules = async (args: GetApiV2ForecastsDynamicRulesArgs, options?: GetApiV2ForecastsDynamicRulesOptions) => {
const {baseUrl = "https://api.quinyx.com", fetch: fetchFn = fetch, OAuth2ClientCredentials} = options ?? {}

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

if (args.externalUnitId != null) query.append("externalUnitId", String(args.externalUnitId))
if (args.externalSectionId != null) query.append("externalSectionId", String(args.externalSectionId))
if (OAuth2ClientCredentials !== undefined) headers.set('authorization', `Bearer ${OAuth2ClientCredentials}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/forecasts/dynamic-rules${query.size > 0 ? `?${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(getApiV2ForecastsDynamicRulesResponse, await res.json())
};