import {z} from 'zod'

export type GetApiV4AdminLakeMaintenanceIntegrationIdScheduleArgs = {integration_id: string | string, kind?: ('full' | 'daily') | undefined};

export type GetApiV4AdminLakeMaintenanceIntegrationIdScheduleOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const duckLakeMaintenanceStepName = z.enum(["flush_inlined_data", "thin_snapshots", "expire_snapshots", "merge_adjacent_files", "rewrite_data_files", "cleanup_old_files", "delete_orphaned_files", "vacuum_catalog"]);

export const duckLakeMaintenanceRunThreshold = z.enum(["any", "warning", "critical"]);

export const duckLakeMaintenanceRequest = z.object({steps: z.array(duckLakeMaintenanceStepName).nullable().optional(), deleteThreshold: z.number().gte(0).lte(1).nullable().optional(), expireSnapshotsOlderThan: z.string().nullable().optional(), cleanupAll: z.boolean().optional(), cpu: z.string().optional(), memory: z.string().optional(), timeoutSeconds: z.number().int().gte(60).lte(604800).optional(), thinKeepLast: z.number().int().gte(1).lte(1000).optional(), thinKeepDailyForDays: z.number().int().gte(1).lte(365).optional(), vacuumFull: z.boolean().optional(), mergeConcurrency: z.number().int().gte(1).lte(32).optional(), runThreshold: duckLakeMaintenanceRunThreshold.optional()});

export const duckLakeMaintenanceScheduleResponse = z.object({jobId: z.union([z.string(), z.string()]), integrationId: z.union([z.string(), z.string()]), kind: z.enum(["full", "daily"]), cron: z.string(), enabled: z.boolean(), schedule: duckLakeMaintenanceRequest});

export const responseMeta = z.object({requestId: z.string().optional(), timestamp: z.string().optional(), durationMs: z.number().int().nullable().optional()});

export const successResponseDuckLakeMaintenanceScheduleResponse = z.object({success: z.literal(true), data: duckLakeMaintenanceScheduleResponse, meta: responseMeta.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
};

/**
 * Fetch the scheduled DuckLake maintenance for an integration
 * 
 * GET /v4/admin/lake/maintenance/{integration_id}/schedule
 */
export const getApiV4AdminLakeMaintenanceIntegrationIdSchedule = async (args: GetApiV4AdminLakeMaintenanceIntegrationIdScheduleArgs, options: GetApiV4AdminLakeMaintenanceIntegrationIdScheduleOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.kind != null) query.append("kind", String(args.kind))

const url = `${baseUrl.replace(/\/+$/, '')}/v4/admin/lake/maintenance/${encodeURIComponent(String(args.integration_id))}/schedule${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(successResponseDuckLakeMaintenanceScheduleResponse, await res.json())
};