import {z} from 'zod'

export type GetApiMonitorsIdArgs = {id: string, exclude?: 'labels' | undefined};

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

export const labelID = z.string();

export const labelColor = z.object({name: z.enum(["red", "coral", "orange", "amber", "yellow", "lime", "green", "teal", "blue", "iris", "purple", "pink"]), type: z.literal("palette")});

export const label = z.object({color: labelColor, description: z.string().nullable().optional(), id: labelID, name: z.string()});

export const monitorWithId = z.object({alertOnNoData: z.boolean().optional(), aplQuery: z.string().optional(), columnName: z.string().optional(), compareDays: z.number().lte(7).optional(), description: z.string().optional(), disabled: z.boolean().optional(), disabledUntil: z.string().nullable().optional(), includeChart: z.boolean().optional(), intervalMinutes: z.number().int().gte(1).optional(), mplQuery: z.string().optional(), name: z.string(), notifierIds: z.array(z.string()).optional(), notifyByGroup: z.boolean().optional(), notifyEveryRun: z.boolean().optional(), operator: z.enum(["Below", "BelowOrEqual", "Above", "AboveOrEqual", "AboveOrBelow"]).optional(), rangeMinutes: z.number().int().gte(1).optional(), resolvable: z.boolean().optional(), secondDelay: z.number().lte(86400).optional(), skipResolved: z.boolean().optional(), threshold: z.number().optional(), tolerance: z.number().lte(100).optional(), triggerAfterNPositiveResults: z.number().optional(), triggerFromNRuns: z.number().optional(), type: z.enum(["Threshold", "MatchEvent", "AnomalyDetection"]), createdAt: z.string().optional(), createdBy: z.string().optional(), createdByAgent: z.boolean().optional(), datasets: z.array(z.string()).optional(), id: z.string(), labelIds: z.array(labelID), labelNames: z.array(z.string()), labels: z.array(label).optional(), lastError: z.string().optional(), updatedAt: z.string().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
};

/**
 * Retrieves a monitor by ID. Returns `404` if the monitor doesn't exist or the caller can't query its datasets. Labels are resolved unless `exclude=labels`.
 * 
 * GET /monitors/{id}
 */
export const getApiMonitorsId = async (args: GetApiMonitorsIdArgs, options?: GetApiMonitorsIdOptions) => {
const {baseUrl = "https://api.axiom.co/v2", fetch: fetchFn = fetch, Auth} = options ?? {}

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

if (args.exclude != null) query.append("exclude", String(args.exclude))
if (Auth !== undefined) headers.set('authorization', `Bearer ${Auth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/monitors/${encodeURIComponent(String(args.id))}${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(monitorWithId, await res.json())
};