import {z} from 'zod'

export type ZonedDateTime = string;

export type GetApiV2RewardsStateSummaryArgs = {period?: ('DAY' | 'MONTH' | 'WEEK') | undefined, period_count?: string | undefined, end_date?: ZonedDateTime | undefined, success_only?: boolean | undefined, reward_supplier_id?: string | undefined, reward_type?: string | undefined};

export type GetApiV2RewardsStateSummaryOptions = {baseUrl?: string | undefined, HEADER?: string | undefined, fetch?: typeof fetch | undefined};

export const zonedDateTime = z.string();

export const rewardStateSummaryResponse = z.object({canceled: z.number().int(), date_from: zonedDateTime, date_to: zonedDateTime, earned: z.number().int(), failed: z.number().int(), fulfilled: z.number().int(), redeemed: z.number().int(), revoked: z.number().int(), sent: z.number().int()});

export const getApiV2RewardsStateSummaryResponse = z.array(rewardStateSummaryResponse);

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 reward state summary
 * 
 * GET /v2/rewards/state_summary
 * 
 * Also accepts auth: QUERY, COOKIE
 */
export const getApiV2RewardsStateSummary = async (args: GetApiV2RewardsStateSummaryArgs, options?: GetApiV2RewardsStateSummaryOptions) => {
const {baseUrl = "https://api.extole.io", fetch: fetchFn = fetch, HEADER} = options ?? {}

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

if (args.period != null) query.append("period", String(args.period))
if (args.period_count != null) query.append("period_count", String(args.period_count))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.success_only != null) query.append("success_only", String(args.success_only))
if (args.reward_supplier_id != null) query.append("reward_supplier_id", String(args.reward_supplier_id))
if (args.reward_type != null) query.append("reward_type", String(args.reward_type))
if (HEADER !== undefined) headers.set("Authorization", HEADER)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/rewards/state_summary${query.size > 0 ? `?${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(getApiV2RewardsStateSummaryResponse, await res.json())
};