import {z} from 'zod'

export type DashboardAggregateGranularity = 'thirty_minutes' | 'hour' | 'day' | 'week' | 'month';

export type DashboardWidgetQueryRequest = {startTime?: string | undefined, endTime?: string | undefined, granularity?: DashboardAggregateGranularity | undefined};

export type CreateApiV1DashboardsDashboardIdWidgetsWidgetIdQueryArgs = {dashboardId: string, widgetId: string, body: DashboardWidgetQueryRequest};

export type CreateApiV1DashboardsDashboardIdWidgetsWidgetIdQueryOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const dashboardWidgetType = z.enum(["LINE", "AREA", "BAR", "STACKED_BAR", "TABLE", "BIG_NUMBER"]);

export const dashboardWidgetMode = z.enum(["TIME_SERIES", "DIMENSION_SERIES"]);

export const dashboardWidgetUnit = z.enum(["COUNT", "PERCENT", "SCORE", "SECONDS", "USD", "MILLISECONDS"]);

export const dashboardSeriesPoint = z.object({x: z.string(), y: z.number().nullable()});

export const dashboardSeries = z.object({key: z.string(), name: z.string(), color: z.string(), lineId: z.string().optional(), points: z.array(dashboardSeriesPoint)});

export const dashboardScalarValue = z.object({key: z.string(), name: z.string(), color: z.string(), lineId: z.string().optional(), value: z.number().nullable()});

export const dashboardWidgetData = z.object({widgetId: z.string(), type: dashboardWidgetType.optional(), mode: dashboardWidgetMode.optional(), kind: z.enum(["TIME_SERIES", "DIMENSION", "BIG_NUMBER", "TABLE"]), unit: dashboardWidgetUnit.optional(), xAxis: z.object({type: z.enum(["time", "category"])}).optional(), series: z.array(dashboardSeries).optional(), values: z.array(dashboardScalarValue).optional(), columns: z.array(z.object({key: z.string(), label: z.string()})).optional(), rows: z.array(z.record(z.string(), z.unknown())).optional()});

export const dashboardWidgetQueryResponse = z.object({success: z.boolean(), data: dashboardWidgetData, deprecated: z.boolean()});

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
};

/**
 * Query Widget Data
 * 
 * POST /v1/dashboards/{dashboardId}/widgets/{widgetId}/query
 */
export const createApiV1DashboardsDashboardIdWidgetsWidgetIdQuery = async (args: CreateApiV1DashboardsDashboardIdWidgetsWidgetIdQueryArgs, options?: CreateApiV1DashboardsDashboardIdWidgetsWidgetIdQueryOptions) => {
const {baseUrl = "https://api.confident-ai.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/dashboards/${encodeURIComponent(String(args.dashboardId))}/widgets/${encodeURIComponent(String(args.widgetId))}/query${query.size > 0 ? `?${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(dashboardWidgetQueryResponse, await res.json())
};