import {z} from 'zod'

export type GetApiResellerChildrenArgs = {limit?: number | undefined, offset?: number | undefined};

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

export const getChildInfoCredits = z.object({emailCredits: z.number().int().optional(), smsCredits: z.number().int().optional()});

export const getChildInfoStatistics = z.object({previousMonthTotalSent: z.number().int().optional(), currentMonthTotalSent: z.number().int().optional(), totalSent: z.number().int().optional()});

export const getChildInfoApiKeysV2 = z.object({name: z.string(), key: z.string()});

export const getChildInfoApiKeysV3 = z.object({name: z.string(), key: z.string()});

export const getChildInfoApiKeys = z.object({v2: z.array(getChildInfoApiKeysV2), v3: z.array(getChildInfoApiKeysV3).optional()});

export const getChildrenList = z.object({children: z.array(z.object({email: z.string(), firstName: z.string(), lastName: z.string(), companyName: z.string(), credits: getChildInfoCredits.optional(), statistics: getChildInfoStatistics.optional(), password: z.string(), ips: z.array(z.string()).optional(), apiKeys: getChildInfoApiKeys.optional(), id: z.number().int().optional()})).optional(), count: 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 list of all children accounts
 * 
 * GET /reseller/children
 * 
 * Also accepts auth: partner-key
 */
export const getApiResellerChildren = async (args: GetApiResellerChildrenArgs, options?: GetApiResellerChildrenOptions) => {
const {baseUrl = "https://api.brevo.com/v3", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (apiKey !== undefined) headers.set("api-key", apiKey)

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