import {z} from 'zod'

export type GetApiV1LogsSystemArgs = {count?: number | undefined, level?: ('debug' | 'info' | 'warn' | 'error' | 'fatal' | 'panic') | undefined};

export type GetApiV1LogsSystemOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const logEntry = z.object({timestamp: z.string().optional(), level: z.enum(["debug", "info", "warn", "error", "fatal", "panic"]).optional(), message: z.string().optional()});

export const errorInfo = z.object({code: z.string().optional(), message: z.string().optional()});

export const metaInfo = z.object({count: z.number().int().optional(), timestamp: z.string().optional()});

export const getApiV1LogsSystemResponse = z.object({success: z.boolean().optional(), data: z.object({logs: z.array(logEntry).optional(), totalCount: z.number().int().optional()}).optional(), error: errorInfo.optional(), meta: metaInfo.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 system logs
 * 
 * GET /v1/logs/system
 */
export const getApiV1LogsSystem = async (args: GetApiV1LogsSystemArgs, options?: GetApiV1LogsSystemOptions) => {
const {baseUrl = "http://kubefwd.internal/api", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/logs/system${query.size > 0 ? `?${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(getApiV1LogsSystemResponse, await res.json())
};