import {z} from 'zod'

export type GetApiCabinetAdminReferralNetworkSearchArgs = {q: string};

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

export const networkUserNode = z.object({id: z.number().int(), tg_id: z.number().int().nullable(), username: z.string().nullable(), email: z.string().nullable(), display_name: z.string(), is_partner: z.boolean(), referrer_id: z.number().int().nullable(), campaign_id: z.number().int().nullable(), direct_referrals: z.number().int(), total_branch_users: z.number().int(), branch_revenue_kopeks: z.number().int(), personal_revenue_kopeks: z.number().int(), personal_spent_kopeks: z.number().int(), subscription_name: z.string().nullable(), subscription_end: z.string().nullable(), registered_at: z.string().nullable()});

export const topReferrer = z.object({user_id: z.number().int(), username: z.string().nullable(), referral_count: z.number().int()});

export const networkCampaignNode = z.object({id: z.number().int(), name: z.string(), start_parameter: z.string(), is_active: z.boolean(), direct_users: z.number().int(), total_network_users: z.number().int(), total_revenue_kopeks: z.number().int(), conversion_rate: z.number(), avg_check_kopeks: z.number().int(), top_referrers: z.array(topReferrer)});

export const networkSearchResult = z.object({users: z.array(networkUserNode), campaigns: z.array(networkCampaignNode)});

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
};

/**
 * Search Referral Network
 * 
 * GET /cabinet/admin/referral-network/search
 */
export const getApiCabinetAdminReferralNetworkSearch = async (args: GetApiCabinetAdminReferralNetworkSearchArgs, options: GetApiCabinetAdminReferralNetworkSearchOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/cabinet/admin/referral-network/search${query.size > 0 ? `?${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(networkSearchResult, await res.json())
};