import { useMemo } from "react";
import { useAppStore, defaultBackgroundSettings } from "@/store/app-store";

interface UseBoardBackgroundProps {
  currentProject: { path: string; id: string } | null;
}

export function useBoardBackground({ currentProject }: UseBoardBackgroundProps) {
  const boardBackgroundByProject = useAppStore(
    (state) => state.boardBackgroundByProject
  );

  // Get background settings for current project
  const backgroundSettings = useMemo(() => {
    return (
      (currentProject && boardBackgroundByProject[currentProject.path]) ||
      defaultBackgroundSettings
    );
  }, [currentProject, boardBackgroundByProject]);

  // Build background image style if image exists
  const backgroundImageStyle = useMemo(() => {
    if (!backgroundSettings.imagePath || !currentProject) {
      return {};
    }

    return {
      backgroundImage: `url(${
        import.meta.env.VITE_SERVER_URL || "http://localhost:3008"
      }/api/fs/image?path=${encodeURIComponent(
        backgroundSettings.imagePath
      )}&projectPath=${encodeURIComponent(currentProject.path)}${
        backgroundSettings.imageVersion
          ? `&v=${backgroundSettings.imageVersion}`
          : ""
      })`,
      backgroundSize: "cover",
      backgroundPosition: "center",
      backgroundRepeat: "no-repeat",
    } as React.CSSProperties;
  }, [backgroundSettings, currentProject]);

  return {
    backgroundSettings,
    backgroundImageStyle,
  };
}