import {z} from 'zod'

export type GetApiApiV1UpgradeAutoUpgradeOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const timestamp = z.object({nanos: z.number().int(), seconds: z.number().int()});

export const upgradeTime = z.object({hours: z.number().int().gte(0), minutes: z.number().int().gte(0), seconds: z.number().int().gte(0).nullable().optional()});

export const dailySchedule = z.object({time: upgradeTime.nullable().optional()});

export const weeklySchedule = z.object({day_of_week: z.number().int().nullable().optional(), time: upgradeTime.nullable().optional()});

export const monthlySchedule = z.object({day_of_month: z.number().int().gte(0).nullable().optional(), time: upgradeTime.nullable().optional()});

export const scheduleType = z.union([z.object({daily: dailySchedule}), z.object({weekly: weeklySchedule}), z.object({monthly: monthlySchedule})]);

export const autoUpgradeSchedule = z.object({schedule_type: scheduleType.nullable().optional()});

export const getAutoUpgradeStatusResponse = z.object({enabled: z.boolean(), last_execution: timestamp.nullable().optional(), next_execution: timestamp.nullable().optional(), schedule: autoUpgradeSchedule.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 auto-upgrade settings
 * 
 * GET /api/v1/upgrade/auto-upgrade
 */
export const getApiApiV1UpgradeAutoUpgrade = async (options?: GetApiApiV1UpgradeAutoUpgradeOptions) => {
const {baseUrl = "http://miner", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/upgrade/auto-upgrade${query.size > 0 ? `?${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(getAutoUpgradeStatusResponse, await res.json())
};