import {z} from 'zod'

export type SortOrderV1 = 'asc' | 'desc';

export type LogLevelV1 = 'DEBUG' | 'INFO' | 'WARNING' | 'ERROR';

export type GetApiV1ModelsModelIdDeploymentsDeploymentIdLogsArgs = {start_epoch_millis?: (number | null) | undefined, end_epoch_millis?: (number | null) | undefined, direction?: (SortOrderV1 | null) | undefined, limit?: (number | null) | undefined, min_level?: (LogLevelV1 | null) | undefined, replica?: (string | null) | undefined, request_id?: (string | null) | undefined, component?: (string | null) | undefined, search_pattern?: (string | null) | undefined, includes?: Array<string> | undefined, excludes?: Array<string> | undefined};

export type GetApiV1ModelsModelIdDeploymentsDeploymentIdLogsOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const logLevelV1 = z.enum(["DEBUG", "INFO", "WARNING", "ERROR"]);

export const logV1 = z.object({timestamp: z.string(), message: z.string(), replica: z.string().nullable(), request_id: z.string().nullable().optional(), level: logLevelV1.nullable().optional()});

export const getLogsResponseV1 = z.object({logs: z.array(logV1)});

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
};

/**
 * Gets the logs for a model deployment
 * 
 * GET /v1/models/{model_id}/deployments/{deployment_id}/logs
 */
export const getApiV1ModelsModelIdDeploymentsDeploymentIdLogs = async (args: GetApiV1ModelsModelIdDeploymentsDeploymentIdLogsArgs, options: GetApiV1ModelsModelIdDeploymentsDeploymentIdLogsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.start_epoch_millis != null) query.append("start_epoch_millis", String(args.start_epoch_millis))
if (args.end_epoch_millis != null) query.append("end_epoch_millis", String(args.end_epoch_millis))
if (args.direction != null) query.append("direction", String(args.direction))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.min_level != null) query.append("min_level", String(args.min_level))
if (args.replica != null) query.append("replica", String(args.replica))
if (args.request_id != null) query.append("request_id", String(args.request_id))
if (args.component != null) query.append("component", String(args.component))
if (args.search_pattern != null) query.append("search_pattern", String(args.search_pattern))
for (const item of args.includes ?? []) query.append("includes", String(item))
for (const item of args.excludes ?? []) query.append("excludes", String(item))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/models/${encodeURIComponent(String(args.model_id))}/deployments/${encodeURIComponent(String(args.deployment_id))}/logs${query.size > 0 ? `?${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(getLogsResponseV1, await res.json())
};