import { useCallback, useEffect, useState } from "react";
import { useSearchParams } from "react-router-dom";
import type { ApiSettings } from "../../../types";
import {
  getCampaignWorkspace
} from "../../../api/campaigns";
import type { CampaignWorkspaceData } from "../utils/campaignView";

const initialData: CampaignWorkspaceData = {
  campaign: null,
  versions: [],
  currentVersion: null,
  summary: null
};

type UseCampaignWorkspaceDataOptions = {
  includeCurrentVersion?: boolean;
  includeSummary?: boolean;
  includeVersions?: boolean;
};

export function useCampaignWorkspaceData(
  settings: ApiSettings,
  campaignId: string,
  options: UseCampaignWorkspaceDataOptions = {}
) {
  const {
    includeCurrentVersion = true,
    includeSummary = false,
    includeVersions = false
  } = options;
  const [searchParams] = useSearchParams();
  const selectedVersionId = searchParams.get("version");
  const [data, setData] = useState<CampaignWorkspaceData>(initialData);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState("");

  const reload = useCallback(async () => {
    if (!campaignId) return;
    setLoading(true);
    setError("");
    try {
      const shouldLoadVersions = includeCurrentVersion || includeVersions;
      const response = await getCampaignWorkspace(settings, campaignId, {
        versionId: selectedVersionId,
        includeCurrentVersion,
        includeSummary,
        includeVersions: shouldLoadVersions,
      });

      setData({
        campaign: response.campaign,
        versions: response.versions,
        currentVersion: response.current_version,
        summary: response.summary
      });
    } catch (err) {
      setData(initialData);
      setError(err instanceof Error ? err.message : String(err));
    } finally {
      setLoading(false);
    }
  }, [settings, campaignId, includeCurrentVersion, includeSummary, includeVersions, selectedVersionId]);

  useEffect(() => {
    reload();
  }, [reload]);

  return { data, loading, error, reload, setError };
}