import {z} from 'zod'

export type ShopGmvTimeseriesRequest = {start_date?: (string | null) | undefined, end_date?: (string | null) | undefined};

export type CreateApiShopGmvTimeseriesArgs = {body: ShopGmvTimeseriesRequest};

export type CreateApiShopGmvTimeseriesOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, ShopId?: string | undefined, fetch?: typeof fetch | undefined};

export const shopGmvVideoChannel = z.object({gmv: z.number().nullable().optional(), affiliate: z.number().nullable().optional(), seller: z.number().nullable().optional()});

export const shopGmvLiveChannel = z.object({gmv: z.number().nullable().optional(), affiliate: z.number().nullable().optional(), seller: z.number().nullable().optional()});

export const shopGmvProductCardChannel = z.object({gmv: z.number().nullable().optional(), shop_tab: z.number().nullable().optional(), search: z.number().nullable().optional()});

export const shopGmvChannels = z.object({video: shopGmvVideoChannel, live: shopGmvLiveChannel, product_card: shopGmvProductCardChannel});

export const shopGmvTraffic = z.object({product_impressions: z.number().int().nullable().optional(), product_clicks: z.number().int().nullable().optional()});

export const shopGmvSeriesPoint = z.object({date: z.string(), gmv: z.number().nullable().optional(), orders: z.number().int().nullable().optional(), items_sold: z.number().int().nullable().optional(), customers: z.number().int().nullable().optional(), aov: z.number().nullable().optional(), channels: shopGmvChannels, traffic: shopGmvTraffic});

export const shopGmvTimeseriesResponse = z.object({shop_id: z.number().int(), currency: z.string().nullable().optional(), currency_code: z.string().nullable().optional(), granularity: z.string().optional(), start_date: z.string(), end_date: z.string(), series: z.array(shopGmvSeriesPoint)});

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
};

/**
 * Daily shop GMV time series (Seller Center, full shop view)
 * 
 * POST /shop-gmv/timeseries
 */
export const createApiShopGmvTimeseries = async (args: CreateApiShopGmvTimeseriesArgs, options?: CreateApiShopGmvTimeseriesOptions) => {
const {baseUrl = "https://api.reacherapp.com/public/v1", fetch: fetchFn = fetch, ApiKeyAuth, ShopId} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)
if (ShopId !== undefined) headers.set("x-shop-id", ShopId)

const url = `${baseUrl.replace(/\/+$/, '')}/shop-gmv/timeseries${query.size > 0 ? `?${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(shopGmvTimeseriesResponse, await res.json())
};