import {z} from 'zod'

export type GetApiApiV1PerformanceModeOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const frequency = z.object({hertz: z.number()});

export const voltage = z.object({volt: z.number()});

export const hashboardPerformanceSettings = z.object({frequency: frequency.nullable().optional(), id: z.string(), voltage: voltage.nullable().optional()});

export const manualPerformanceMode = z.object({global_frequency: frequency.nullable().optional(), global_voltage: voltage.nullable().optional(), hashboards: z.array(hashboardPerformanceSettings)});

export const power = z.object({watt: z.number().int().gte(0)});

export const powerTargetMode = z.object({power_target: power.nullable().optional()});

export const teraHashrate = z.object({terahash_per_second: z.number()});

export const hashrateTargetMode = z.object({hashrate_target: teraHashrate.nullable().optional()});

export const tunerPerformanceModeTarget = z.union([z.object({powertarget: powerTargetMode}), z.object({hashratetarget: hashrateTargetMode})]);

export const tunerPerformanceMode = z.object({target: tunerPerformanceModeTarget.nullable().optional()});

export const performanceModeMode = z.union([z.object({manualmode: manualPerformanceMode}), z.object({tunermode: tunerPerformanceMode})]);

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 performance mode
 * 
 * GET /api/v1/performance/mode
 */
export const getApiApiV1PerformanceMode = async (options?: GetApiApiV1PerformanceModeOptions) => {
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/performance/mode${query.size > 0 ? `?${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(performanceModeMode, await res.json())
};