import {z} from 'zod'

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

export const nodeStatus = z.object({uuid: z.string(), name: z.string(), address: z.string(), is_connected: z.boolean(), is_disabled: z.boolean(), users_online: z.number().int(), traffic_used_bytes: z.number().int().nullable().optional(), uptime: z.string().nullable().optional(), xray_version: z.string().nullable().optional(), node_version: z.string().nullable().optional(), last_status_message: z.string().nullable().optional(), xray_uptime: z.string().nullable().optional(), is_xray_running: z.boolean().nullable().optional(), cpu_count: z.number().int().nullable().optional(), cpu_model: z.string().nullable().optional(), total_ram: z.string().nullable().optional(), country_code: z.string().nullable().optional()});

export const appCabinetRoutesAdminStatsNodesOverview = z.object({total: z.number().int(), online: z.number().int(), offline: z.number().int(), disabled: z.number().int(), total_users_online: z.number().int(), nodes: z.array(nodeStatus)});

export const subscriptionStats = z.object({total: z.number().int(), active: z.number().int(), trial: z.number().int(), paid: z.number().int(), expired: z.number().int(), purchased_today: z.number().int(), purchased_week: z.number().int(), purchased_month: z.number().int(), trial_to_paid_conversion: z.number()});

export const financialStats = z.object({income_today_kopeks: z.number().int(), income_today_rubles: z.number(), income_month_kopeks: z.number().int(), income_month_rubles: z.number(), income_total_kopeks: z.number().int(), income_total_rubles: z.number(), subscription_income_kopeks: z.number().int(), subscription_income_rubles: z.number()});

export const serverStats = z.object({total_servers: z.number().int(), available_servers: z.number().int(), servers_with_connections: z.number().int(), total_revenue_kopeks: z.number().int(), total_revenue_rubles: z.number()});

export const revenueData = z.object({date: z.string(), amount_kopeks: z.number().int(), amount_rubles: z.number()});

export const tariffStatItem = z.object({tariff_id: z.number().int(), tariff_name: z.string(), active_subscriptions: z.number().int(), trial_subscriptions: z.number().int(), purchased_today: z.number().int(), purchased_week: z.number().int(), purchased_month: z.number().int()});

export const tariffStats = z.object({tariffs: z.array(tariffStatItem), total_tariff_subscriptions: z.number().int()});

export const dashboardStats = z.object({nodes: appCabinetRoutesAdminStatsNodesOverview, subscriptions: subscriptionStats, financial: financialStats, servers: serverStats, revenue_chart: z.array(revenueData), tariff_stats: tariffStats.nullable().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 Dashboard Stats
 * 
 * GET /cabinet/admin/stats/dashboard
 */
export const getApiCabinetAdminStatsDashboard = async (options: GetApiCabinetAdminStatsDashboardOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/cabinet/admin/stats/dashboard${query.size > 0 ? `?${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(dashboardStats, await res.json())
};