import {z} from 'zod'

export type AlertMeasurementCreateSchema = {projectId?: string | undefined, name: string, key?: string | undefined, description?: string | undefined, startAnchorType: 'Impact Started At' | 'Created At' | 'Timeline Start' | 'State Entered' | 'State Role Entered' | 'First Paged At', endAnchorType: 'Impact Started At' | 'Created At' | 'Timeline Start' | 'State Entered' | 'State Role Entered' | 'First Paged At', startAlertStateId?: string | undefined, endAlertStateId?: string | undefined, startAlertStateRole?: ('Created' | 'Acknowledged' | 'Resolved') | undefined, endAlertStateRole?: ('Created' | 'Acknowledged' | 'Resolved') | undefined, startStateOccurrence?: ('First' | 'Last') | undefined, endStateOccurrence?: ('First' | 'Last') | undefined, unit?: string | undefined, aggregationType?: ('Avg' | 'Max' | 'Min' | 'P50' | 'P90' | 'P95' | 'P99') | undefined, isEnabled?: boolean | undefined, showOnAlertView?: boolean | undefined, order?: number | undefined};

export type CreateApiAlertMeasurementArgs = {body: {data: AlertMeasurementCreateSchema}};

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

export const alertMeasurementReadSchema = z.object({_id: z.string().optional(), createdAt: z.object({}).optional(), updatedAt: z.object({}).optional(), deletedAt: z.object({}).optional(), projectId: z.string().optional(), name: z.string(), key: z.string().optional(), description: z.string().optional(), metricName: z.string(), startAnchorType: z.enum(["Impact Started At", "Created At", "Timeline Start", "State Entered", "State Role Entered", "First Paged At"]), endAnchorType: z.enum(["Impact Started At", "Created At", "Timeline Start", "State Entered", "State Role Entered", "First Paged At"]), startAlertStateId: z.string().optional(), endAlertStateId: z.string().optional(), startAlertStateRole: z.enum(["Created", "Acknowledged", "Resolved"]).optional(), endAlertStateRole: z.enum(["Created", "Acknowledged", "Resolved"]).optional(), startStateOccurrence: z.enum(["First", "Last"]).optional(), endStateOccurrence: z.enum(["First", "Last"]).optional(), unit: z.string().optional(), aggregationType: z.enum(["Avg", "Max", "Min", "P50", "P90", "P95", "P99"]).optional(), isEnabled: z.boolean().optional(), showOnAlertView: z.boolean().optional(), order: z.number().optional(), isSystemDefined: z.boolean().optional(), backfillRequestedAt: z.object({}).optional(), backfillCursorCreatedAt: z.object({}).optional(), backfillCompletedAt: z.object({}).optional(), createdByUserId: z.string().optional()});

export const createApiAlertMeasurementResponse = z.object({data: alertMeasurementReadSchema.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
};

/**
 * Create Alert Measurement
 * 
 * POST /alert-measurement
 */
export const createApiAlertMeasurement = async (args: CreateApiAlertMeasurementArgs, options?: CreateApiAlertMeasurementOptions) => {
const {baseUrl = "https://oneuptime.com/api", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (ApiKey !== undefined) headers.set("APIKey", ApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/alert-measurement${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiAlertMeasurementResponse, await res.json())
};