import {z} from 'zod'

export type ReportScheduleResourceType = 'dashboard' | 'integration_dashboard';

export type ReportScheduleTemplateVariable = {name: string, values: Array<string>};

export type PrintReportRequestAttributes = {from_ts?: number | undefined, resource_id: string, resource_type: ReportScheduleResourceType, template_variables: Array<ReportScheduleTemplateVariable>, timeframe?: string | undefined, timezone: string, to_ts?: number | undefined};

export type PrintReportType = 'report';

export type PrintReportRequestData = {attributes: PrintReportRequestAttributes, type: PrintReportType};

export type PrintReportRequest = {data: PrintReportRequestData};

export type CreateApiApiV2ReportingPrintArgs = {body: PrintReportRequest};

export type CreateApiApiV2ReportingPrintOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const reportScheduleResourceType = z.enum(["dashboard", "integration_dashboard"]);

export const reportScheduleTemplateVariable = z.object({name: z.string(), values: z.array(z.string())});

export const printReportResponseAttributes = z.object({download_url: z.string(), from_ts: z.number().int(), resource_id: z.string(), resource_type: reportScheduleResourceType, template_variables: z.array(reportScheduleTemplateVariable), timeframe: z.string().optional(), timezone: z.string(), to_ts: z.number().int()});

export const printReportType = z.literal("report");

export const printReportResponseData = z.object({attributes: printReportResponseAttributes, id: z.string(), type: printReportType});

export const printReportResponse = z.object({data: printReportResponseData});

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
};

/**
 * Print a report
 * 
 * POST /api/v2/reporting/print
 * 
 * Also accepts auth: AuthZ
 */
export const createApiApiV2ReportingPrint = async (args: CreateApiApiV2ReportingPrintArgs, options?: CreateApiApiV2ReportingPrintOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

if (apiKeyAuth !== undefined) headers.set("DD-API-KEY", apiKeyAuth)
if (appKeyAuth !== undefined) headers.set("DD-APPLICATION-KEY", appKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/reporting/print${query.size > 0 ? `?${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(printReportResponse, await res.json())
};