import axios from 'axios';
import { useRouter } from 'next/router';
import { useCallback, useEffect, useMemo, useState } from 'react';
import { logger } from '../../lib/logger';

export type Project = {
  id: string;
  name: string;
};

interface UseProjectSelectorOptions {
  currentUser: unknown;
}

interface UseProjectSelectorReturn {
  projects: Project[];
  selectedProjectId: string;
  isLoadingProjects: boolean;
  selectedProjectName: string;
}

export function useProjectSelector({
  currentUser,
}: UseProjectSelectorOptions): UseProjectSelectorReturn {
  const router = useRouter();

  const routeProjectId = useMemo(() => {
    const value = router.query.projectId;
    if (Array.isArray(value)) return value[0] || '';
    return String(value || '');
  }, [router.query.projectId]);

  const [projects, setProjects] = useState<Project[]>([]);
  const [isLoadingProjects, setIsLoadingProjects] = useState(false);

  // Redirect if no projectId in URL
  useEffect(() => {
    if (!router.isReady) return;
    if (!routeProjectId) {
      router.replace('/projects/projects-list');
    }
  }, [router.isReady, routeProjectId, router]);

  const loadProjects = useCallback(async () => {
    setIsLoadingProjects(true);

    try {
      const response = await axios.get(
        '/projects?limit=100&page=0&sort=desc&field=updatedAt',
      );
      const rows = Array.isArray(response?.data?.rows)
        ? response.data.rows
        : [];
      setProjects(rows);
    } catch (error: unknown) {
      const errorMessage =
        error instanceof Error ? error.message : String(error);
      logger.error('Failed to load projects:', { error: errorMessage });
      setProjects([]);
    } finally {
      setIsLoadingProjects(false);
    }
  }, []);

  useEffect(() => {
    if (!currentUser) return;
    loadProjects();
  }, [currentUser, loadProjects]);

  const selectedProjectName = useMemo(() => {
    return projects.find((p) => p.id === routeProjectId)?.name || '';
  }, [projects, routeProjectId]);

  return {
    projects,
    selectedProjectId: routeProjectId, // Direct from URL - no fallback
    isLoadingProjects,
    selectedProjectName,
  };
}

export default useProjectSelector;