import {z} from 'zod'

export type GetApiReviewsCountArgs = {Authorization: string, channels?: Array<string> | undefined, submittedAfter?: string | undefined, submittedBefore?: string | undefined, rating?: (Array<1 | 2 | 3 | 4 | 5>) | undefined, status?: Array<string> | undefined, type?: Array<string> | undefined, hasReply?: boolean | undefined, ignoreStatements?: boolean | undefined, query?: string | undefined, sku?: Array<string> | undefined};

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

export const channelReviewCountResponseDto = z.object({accountId: z.string().optional(), channelList: z.array(z.string()).optional(), totalElements: z.number().int().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 the total number of reviews based on a filter.
 * 
 * GET /reviews/count
 */
export const getApiReviewsCount = async (args: GetApiReviewsCountArgs, options: GetApiReviewsCountOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
for (const item of args.channels ?? []) query.append("channels", String(item))
if (args.submittedAfter != null) query.append("submittedAfter", String(args.submittedAfter))
if (args.submittedBefore != null) query.append("submittedBefore", String(args.submittedBefore))
for (const item of args.rating ?? []) query.append("rating", String(item))
for (const item of args.status ?? []) query.append("status", String(item))
for (const item of args.type ?? []) query.append("type", String(item))
if (args.hasReply != null) query.append("hasReply", String(args.hasReply))
if (args.ignoreStatements != null) query.append("ignoreStatements", String(args.ignoreStatements))
if (args.query != null) query.append("query", String(args.query))
for (const item of args.sku ?? []) query.append("sku", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/reviews/count${query.size > 0 ? `?${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(channelReviewCountResponseDto, await res.json())
};