import "server-only"
import { request as graphqlRequest } from "graphql-request"
import { env } from "@/env/server.mjs"

import type { Data } from "@/types/request"
import type { DocumentNode } from "graphql"

export async function request<T>(query: string | DocumentNode, variables?: {}): Promise<Data<T>> {
  try {
    if (env.PRINT_QUERY) {
      const graphqlRawRequest = (await import("graphql-request")).rawRequest
      const print = (await import("graphql/language/printer")).print

      const rawResponse = await graphqlRawRequest<T>(
        env.CMS_URL,
        print(query as DocumentNode),
        variables,
        {
          access_token: env.CMS_ACCESS_TOKEN,
          "Content-Type": "application/json",
        }
      )

      /**
       * TODO: Send to Monitoring (Logging and Metrics)
       */
      console.log({
        complexityLimit: rawResponse.headers.get("x-query-complexity"),
      })
      console.log({
        referenceDepth: rawResponse.headers.get("x-reference-depth"),
      })
      console.log({ resolverCost: rawResponse.headers.get("x-resolver-cost") })

      return {
        data: rawResponse.data,
      }
    }

    const response = await graphqlRequest<T>({
      document: query,
      requestHeaders: {
        access_token: env.CMS_ACCESS_TOKEN,
        "Content-Type": "application/json",
      },
      url: env.CMS_URL,
      variables,
    })

    return { data: response }
  } catch (error) {
    console.error(error)
    throw new Error("Something went wrong")
  }
}