import {z} from 'zod'

export type GetApiV2AlertsAlertIdArgs = {alert_id: string};

export type GetApiV2AlertsAlertIdOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const monitorFilter = z.object({field: z.string(), op: z.enum(["eq", "neq", "in", "not_in", "gt", "gte", "lt", "lte", "between", "contains", "exists", "not_exists"]), values: z.array(z.string())});

export const alertTelemetrySource = z.enum(["ALERT_TELEMETRY_SOURCE_TRACES", "ALERT_TELEMETRY_SOURCE_METRICS"]);

export const alertQuery = z.object({metric: z.string(), filters: z.array(monitorFilter).optional(), source: alertTelemetrySource.optional(), operation: z.string().optional()});

export const alertCondition = z.object({comparator: z.enum(["gt", "gte", "lt", "lte", "eq"]), threshold: z.number(), degraded_threshold: z.number().optional(), resolve_threshold: z.number().optional(), window: z.enum(["5m", "15m", "30m", "1h", "4h", "1d"]), interval: z.enum(["5m", "15m", "1h", "1d"]), delay: z.enum(["30s", "60s", "120s", "300s", "600s"]).optional()});

export const alertRun = z.object({at: z.string(), value: z.number(), breached: z.boolean(), has_data: z.boolean(), severity: z.enum(["critical", "degraded"]).optional()});

export const alertDisplay = z.object({visualization: z.enum(["lines", "bars"]).optional(), preview_range: z.enum(["1h", "4h", "1d", "7d"]).optional()});

export const alertScope = z.enum(["ALERT_SCOPE_PROJECT", "ALERT_SCOPE_WORKSPACE"]);

export const alert = z.object({alert_id: z.string(), display_name: z.string(), description: z.string(), project_id: z.string(), signal: z.enum(["cost", "latency", "errors", "evals", "custom"]), query: alertQuery, condition: alertCondition, notifier_ids: z.array(z.string()), enabled: z.boolean(), status: z.enum(["ok", "degraded", "triggered"]), last_triggered_at: z.string().nullable().optional(), recent_runs: z.array(alertRun).optional(), created_at: z.string(), updated_at: z.string(), created_by_id: z.string(), updated_by_id: z.string(), display: alertDisplay.nullable().optional(), scope: alertScope});

export const getAlertResponse = z.object({alert: alert});

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
};

/**
 * Retrieve an alert
 * 
 * GET /v2/alerts/{alert_id}
 */
export const getApiV2AlertsAlertId = async (args: GetApiV2AlertsAlertIdArgs, options?: GetApiV2AlertsAlertIdOptions) => {
const {baseUrl = "https://my.orq.ai", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/alerts/${encodeURIComponent(String(args.alert_id))}${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(getAlertResponse, await res.json())
};