import {z} from 'zod'

export type GetApiV1AdminDashboardSummaryArgs = {from?: string | undefined, to?: string | undefined};

export type GetApiV1AdminDashboardSummaryOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const dashboardV1SummaryItem = z.object({bucketAt: z.string().optional(), channel: z.string().optional(), errorCount: z.string().optional(), inputTokens: z.string().optional(), model: z.string().optional(), outputTokens: z.string().optional(), requestCount: z.string().optional(), totalMicros: z.string().optional(), userId: z.string().optional()});

export const dashboardV1DashboardStats = z.object({avgLatencyMs: z.number().int().optional(), totalCostMicros: z.string().optional(), totalRequests: z.string().optional(), totalTokens: z.string().optional()});

export const dashboardV1TimelinePoint = z.object({costMicros: z.string().optional(), requests: z.string().optional(), timestamp: z.string().optional(), tokens: z.string().optional()});

export const dashboardV1TopModel = z.object({model: z.string().optional(), percentage: z.number().optional(), requests: z.string().optional()});

export const dashboardV1GetAdminSummaryReply = z.object({items: z.array(dashboardV1SummaryItem).optional(), rangeHours: z.number().int().optional(), stats: dashboardV1DashboardStats.optional(), timeline: z.array(dashboardV1TimelinePoint).optional(), topModels: z.array(dashboardV1TopModel).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
};

/**
 * 后台汇总看板
 * 
 * GET /v1/admin/dashboard/summary
 */
export const getApiV1AdminDashboardSummary = async (args: GetApiV1AdminDashboardSummaryArgs, options: GetApiV1AdminDashboardSummaryOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/admin/dashboard/summary${query.size > 0 ? `?${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(dashboardV1GetAdminSummaryReply, await res.json())
};