import {z} from 'zod'

export type GetApiBackupAndDrSnapshotsArgs = {page?: number | undefined, page_size?: number | undefined, policy_id?: Array<string> | undefined, status?: (Array<'Pending' | 'In Progress' | 'Success' | 'Failed'>) | undefined, integration_id?: Array<string> | undefined, region?: Array<string> | undefined, from_date?: string | undefined, to_date?: string | undefined, sort_by?: ('status' | 'snapshot_time' | 'created_at') | undefined, sort_order?: ('asc' | 'desc') | undefined};

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

export const scopeConfig = z.object({type: z.enum(["tags", "resource_group", "asset_types", "exclude_asset_types", "selected_resources"]), value: z.array(z.string())});

export const applicationScope = z.array(scopeConfig);

export const snapshotStatus = z.enum(["Pending", "In Progress", "Success", "Failed"]);

export const changedATR = z.object({integration_id: z.string(), asset_type: z.string(), regions: z.array(z.string())});

export const snapshot = z.object({account_id: z.string(), snapshot_id: z.string(), snapshot_time: z.string().optional(), policy_id: z.string(), provider_type: z.string().max(50).optional(), integration_id: z.string().optional(), region: z.string().optional(), trigger: z.object({type: z.enum(["scheduled", "on-demand"]).optional(), initiated_by: z.string().optional()}).optional(), scope: applicationScope.optional(), status: snapshotStatus.optional(), is_latest: z.boolean().optional(), created_at: z.string().optional(), asset_types: z.array(z.string()).optional(), changed_atrs: z.array(changedATR).optional(), error_code: z.enum(["SCOPE_EMPTY", "INTERNAL_ERROR"]).nullable().optional()});

export const pagination = z.object({page: z.number().int(), page_size: z.number().int(), total: z.number().int(), has_next: z.boolean(), has_prev: z.boolean()});

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

export const facet = z.object({field: z.string(), size: z.number().int(), pagination: pagination, values: z.array(facetValue)});

export const snapshotListResponse = z.object({data: z.array(snapshot).optional(), pagination: pagination.optional(), summary: z.object({total_snapshots: z.number().int().optional(), successful_snapshots: z.number().int().optional(), failed_snapshots: z.number().int().optional(), in_progress_snapshots: z.number().int().optional()}).optional(), facets: z.array(facet).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
};

/**
 * List snapshots
 * 
 * GET /backup-and-dr/snapshots
 */
export const getApiBackupAndDrSnapshots = async (args: GetApiBackupAndDrSnapshotsArgs, options?: GetApiBackupAndDrSnapshotsOptions) => {
const {baseUrl = "https://api.firefly.ai/v2", fetch: fetchFn = fetch} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.page_size != null) query.append("page_size", String(args.page_size))
for (const item of args.policy_id ?? []) query.append("policy_id", String(item))
for (const item of args.status ?? []) query.append("status", String(item))
for (const item of args.integration_id ?? []) query.append("integration_id", String(item))
for (const item of args.region ?? []) query.append("region", String(item))
if (args.from_date != null) query.append("from_date", String(args.from_date))
if (args.to_date != null) query.append("to_date", String(args.to_date))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))

const url = `${baseUrl.replace(/\/+$/, '')}/backup-and-dr/snapshots${query.size > 0 ? `?${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(snapshotListResponse, await res.json())
};