import {z} from 'zod'

export type GetApiV1StoragesArgs = {limit?: number | undefined, offset?: number | undefined, sort?: string | undefined, vendor?: string | undefined, model?: string | undefined, name?: string | undefined, serial_number?: string | undefined, status?: ('normal' | 'offline' | 'abnormal') | undefined};

export type GetApiV1StoragesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const storageBackendResponse = z.object({id: z.string().optional(), name: z.string().optional(), description: z.string().optional(), vendor: z.string().optional(), model: z.string().optional(), status: z.string().optional(), firmware: z.string().optional(), serial_number: z.string().optional(), location: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), sync_status: z.enum(["SYNCED", "SYNCING"]).optional(), total_capacity: z.number().int().optional(), used_capacity: z.number().int().optional(), free_capacity: z.number().int().optional()});

export const getApiV1StoragesResponse = z.object({storages: z.array(storageBackendResponse)}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * List all registered storage back ends
 * 
 * GET /v1/storages
 */
export const getApiV1Storages = async (args: GetApiV1StoragesArgs, options: GetApiV1StoragesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.vendor != null) query.append("vendor", String(args.vendor))
if (args.model != null) query.append("model", String(args.model))
if (args.name != null) query.append("name", String(args.name))
if (args.serial_number != null) query.append("serial_number", String(args.serial_number))
if (args.status != null) query.append("status", String(args.status))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/storages${query.size > 0 ? `?${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(getApiV1StoragesResponse, await res.json())
};