'use client';

import { motion, AnimatePresence } from "framer-motion";
import { Button } from "@/components/ui/button";
import { Heart, Menu, X, LogOut } from "lucide-react";
import { ThemeToggle } from "@/components/ThemeToggle";
import { useEffect, useState } from "react";
import { LoginDialog } from "@/components/LoginDialog";
import { SignupDialog } from "@/components/SignupDialog";
import { useRouter, usePathname } from "next/navigation";
import Link from "next/link";
import { useAppTheme } from "@/components/ThemeProvider";
import { useAuth } from "@/hooks/useAuth";
import { toast } from "sonner";

export function Navbar() {
  const { theme } = useAppTheme();
  const isDark = theme === "dark";
  const [loginDialogOpen, setLoginDialogOpen] = useState(false);
  const [signupDialogOpen, setSignupDialogOpen] = useState(false);
  const [prefillEmail, setPrefillEmail] = useState<string | undefined>(undefined);
  const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
  const router = useRouter();
  const pathname = usePathname();
  const isUserDashboard = pathname?.startsWith("/user/dashboard");
  const isUserSettings = pathname?.startsWith("/user/settings");
  const isUserRoute = pathname?.startsWith("/user/");
  const { isAuthenticated, logout, user, isAdmin } = useAuth();

  const scrollToSection = (id: string) => {
    const element = document.getElementById(id);
    if (element) {
      element.scrollIntoView({ behavior: "smooth" });
      setMobileMenuOpen(false); // Close mobile menu after navigation
    }
  };

  const handleLoginSuccess = () => {
    // Check if user is admin/staff/superuser and redirect accordingly
    // Note: user might not be immediately available, so we check isAdmin from hook
    // which is computed from the user data
    const redirectPath = isAdmin ? "/admin/dashboard" : "/user/dashboard";
    router.push(redirectPath);
    setMobileMenuOpen(false);
  };

  const handleLogout = () => {
    logout();
    toast.success("Logged out successfully");
    setMobileMenuOpen(false);
    router.push("/");
  };

  // Close mobile menu when clicking outside
  useEffect(() => {
    if (mobileMenuOpen) {
      document.body.style.overflow = 'hidden';
    } else {
      document.body.style.overflow = 'unset';
    }
    return () => {
      document.body.style.overflow = 'unset';
    };
  }, [mobileMenuOpen]);

  return (
    <motion.nav
      initial={{ y: -100 }}
      animate={{ y: 0 }}
      transition={{ duration: 0.5 }}
      className="fixed top-0 left-0 right-0 z-50 border-b border-border/50"
      style={{
        backgroundColor: isDark ? '#1a1e26' : '#ffffff'
      }}
    >
      <div className="container mx-auto px-3 sm:px-4">
        <div className="flex items-center justify-between h-14 sm:h-16">
          <motion.div
            className="flex items-center gap-1.5 sm:gap-2"
            whileHover={{ scale: 1.05 }}
            whileTap={{ scale: 0.95 }}
          >
            <Link 
              href={isAuthenticated && !isAdmin ? "/user/dashboard" : "/"} 
              className="flex items-center gap-1.5 sm:gap-2"
            >
              <div className="bg-gradient-to-r from-rose-500 to-pink-600 p-1.5 sm:p-2 rounded-lg sm:rounded-xl">
                <Heart className="h-4 w-4 sm:h-5 sm:w-5 text-white fill-white" />
              </div>
              <span className="font-bold text-sm sm:text-base md:text-lg bg-gradient-to-r from-rose-600 via-pink-600 to-orange-600 bg-clip-text text-transparent">
                Attune Heart Therapy
              </span>
            </Link>
          </motion.div>

          {/* Desktop Navigation */}
          {!isUserRoute && (
            <div className="hidden lg:flex items-center gap-4 xl:gap-6">
              <button
                onClick={() => scrollToSection("about")}
                className={`text-sm font-medium transition-colors cursor-pointer px-3 py-2 rounded-lg ${isDark ? 'text-gray-300 hover:text-white hover:bg-gray-800' : 'text-gray-700 hover:text-primary hover:bg-gray-100'}`}
              >
                About
              </button>
              <button
                onClick={() => scrollToSection("services")}
                className={`text-sm font-medium transition-colors cursor-pointer px-3 py-2 rounded-lg ${isDark ? 'text-gray-300 hover:text-white hover:bg-gray-800' : 'text-gray-700 hover:text-primary hover:bg-gray-100'}`}
              >
                Services
              </button>
              <button
                onClick={() => scrollToSection("contact")}
                className={`text-sm font-medium transition-colors cursor-pointer px-3 py-2 rounded-lg ${isDark ? 'text-gray-300 hover:text-white hover:bg-gray-800' : 'text-gray-700 hover:text-primary hover:bg-gray-100'}`}
              >
                Contact
              </button>
            </div>
          )}

          {/* Desktop Actions */}
          <div className="hidden lg:flex items-center gap-2">
            {!isAuthenticated && !isUserDashboard && (
              <Button 
                size="sm" 
                variant="outline" 
                className={`hover:opacity-90 hover:scale-105 transition-all text-xs sm:text-sm ${isDark ? 'border-gray-700 text-gray-300 hover:bg-gray-800' : ''}`}
                onClick={() => setLoginDialogOpen(true)}
              >
                Sign In
              </Button>
            )}
            <ThemeToggle />
            {!isAdmin && (
              <Link 
                href="/book-now"
                className={`text-sm font-medium transition-colors cursor-pointer px-3 py-2 rounded-lg hover:opacity-90 ${isDark ? 'text-gray-300 hover:text-white' : 'text-gray-700 hover:text-rose-600'}`}
              >
                Book-Now
              </Link>
            )}
            {isAuthenticated && (
              <Button 
                size="sm" 
                variant="outline" 
                className="bg-red-600 hover:bg-red-700 text-white border-red-600 hover:border-red-700 hover:opacity-90 hover:scale-105 transition-all text-xs sm:text-sm"
                onClick={handleLogout}
              >
                <LogOut className="w-4 h-4 mr-2" />
                Logout
              </Button>
            )}
          </div>

          {/* Mobile Actions */}
          <div className="flex lg:hidden items-center gap-1.5 sm:gap-2">
            <ThemeToggle />
            <Button
              variant="ghost"
              size="icon"
              onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
              className="hover:bg-gray-100 dark:hover:bg-gray-800 h-9 w-9 sm:h-10 sm:w-10"
              aria-label="Toggle menu"
            >
              {mobileMenuOpen ? (
                <X className="h-5 w-5 sm:h-6 sm:w-6" />
              ) : (
                <Menu className="h-5 w-5 sm:h-6 sm:w-6" />
              )}
            </Button>
          </div>
        </div>
      </div>

      {/* Mobile Menu */}
      <AnimatePresence>
        {mobileMenuOpen && (
          <>
            {/* Backdrop */}
            <motion.div
              initial={{ opacity: 0 }}
              animate={{ opacity: 1 }}
              exit={{ opacity: 0 }}
              transition={{ duration: 0.2 }}
              className="fixed inset-0 bg-black/50 z-40 lg:hidden"
              onClick={() => setMobileMenuOpen(false)}
            />
            
            {/* Mobile Menu Panel */}
            <motion.div
              initial={{ x: '100%' }}
              animate={{ x: 0 }}
              exit={{ x: '100%' }}
              transition={{ type: 'spring', damping: 25, stiffness: 200 }}
              className="fixed top-14 sm:top-16 right-0 bottom-0 w-[280px] sm:w-80 max-w-[85vw] z-50 lg:hidden overflow-y-auto"
              style={{
                backgroundColor: isDark ? '#1a1e26' : '#ffffff'
              }}
            >
              <div className="flex flex-col p-4 sm:p-6 space-y-3 sm:space-y-4">
                {/* Mobile Navigation Links */}
                {!isUserRoute && (
                  <>
                    <button
                      onClick={() => scrollToSection("about")}
                      className={`text-left text-sm sm:text-base font-medium py-2.5 sm:py-3 px-3 sm:px-4 rounded-lg transition-colors ${isDark ? 'text-gray-300 hover:bg-gray-800' : 'text-gray-700 hover:bg-gray-100'}`}
                    >
                      About
                    </button>
                    <button
                      onClick={() => scrollToSection("services")}
                      className={`text-left text-sm sm:text-base font-medium py-2.5 sm:py-3 px-3 sm:px-4 rounded-lg transition-colors ${isDark ? 'text-gray-300 hover:bg-gray-800' : 'text-gray-700 hover:bg-gray-100'}`}
                    >
                      Services
                    </button>
                    <button
                      onClick={() => scrollToSection("contact")}
                      className={`text-left text-sm sm:text-base font-medium py-2.5 sm:py-3 px-3 sm:px-4 rounded-lg transition-colors ${isDark ? 'text-gray-300 hover:bg-gray-800' : 'text-gray-700 hover:bg-gray-100'}`}
                    >
                      Contact
                    </button>
                  </>
                )}

                <div className={`border-t pt-3 sm:pt-4 mt-3 sm:mt-4 space-y-2 sm:space-y-3 ${isDark ? 'border-gray-700' : 'border-gray-200'}`}>
                  {!isAuthenticated && !isUserDashboard && (
                    <Button
                      variant="outline"
                      className={`w-full justify-start text-sm sm:text-base ${isDark ? 'border-gray-700 text-gray-300 hover:bg-gray-800' : ''}`}
                      onClick={() => {
                        setLoginDialogOpen(true);
                        setMobileMenuOpen(false);
                      }}
                    >
                      Sign In
                    </Button>
                  )}
                  {!isAdmin && (
                    <Link
                      href="/book-now"
                      onClick={() => setMobileMenuOpen(false)}
                      className={`text-left text-sm sm:text-base font-medium py-2.5 sm:py-3 px-3 sm:px-4 rounded-lg transition-colors ${isDark ? 'text-gray-300 hover:bg-gray-800' : 'text-gray-700 hover:bg-gray-100'}`}
                    >
                      Book-Now
                    </Link>
                  )}
                  {isAuthenticated && (
                    <Button
                      variant="outline"
                      className="w-full justify-start text-sm sm:text-base bg-red-600 hover:bg-red-700 text-white border-red-600 hover:border-red-700"
                      onClick={() => {
                        handleLogout();
                      }}
                    >
                      <LogOut className="w-4 h-4 mr-2" />
                      Logout
                    </Button>
                  )}
                </div>
              </div>
            </motion.div>
          </>
        )}
      </AnimatePresence>
      
      {/* Login Dialog */}
      <LoginDialog 
        open={loginDialogOpen} 
        onOpenChange={setLoginDialogOpen}
        onLoginSuccess={handleLoginSuccess}
        prefillEmail={prefillEmail}
        onSwitchToSignup={() => {
          setLoginDialogOpen(false);
          // Small delay to ensure dialog closes before opening signup
          setTimeout(() => {
            setSignupDialogOpen(true);
          }, 100);
        }}
      />
      
      {/* Signup Dialog */}
      <SignupDialog
        open={signupDialogOpen}
        onOpenChange={setSignupDialogOpen}
        onSwitchToLogin={(email?: string) => {
          setSignupDialogOpen(false);
          setPrefillEmail(email);
          // Small delay to ensure dialog closes before opening login
          setTimeout(() => {
            setLoginDialogOpen(true);
          }, 100);
        }}
      />
    </motion.nav>
  );
}