"use client";

import Link from "next/link";
import { usePathname, useRouter } from "next/navigation";
import { cn } from "@/lib/utils";
import {
  LayoutGrid,
  Cable,
  Key,
  Users,
  Settings,
  DollarSign,
  LogOut,
} from "lucide-react";
import { Separator } from "@/components/ui/separator";
import { signOut } from "@/lib/firebase/auth";
import { toast } from "sonner";

interface WorkspaceLeftRailProps {
  activeSection?: string;
  onSectionChange: (section: string) => void;
}

const navItems = [
  {
    id: 'projects',
    label: 'Projects',
    icon: LayoutGrid,
    href: '/projects',
  },
  {
    id: 'connections',
    label: 'Connect',
    icon: Cable,
    href: '/connections',
  },
  {
    id: 'keys',
    label: 'Keys',
    icon: Key,
    href: '/keys',
  },
  {
    id: 'costs',
    label: 'Costs',
    icon: DollarSign,
    href: '/costs',
  },
  {
    id: 'users',
    label: 'Users',
    icon: Users,
    href: '/users',
  },
];

export function WorkspaceLeftRail({ activeSection = 'projects', onSectionChange }: WorkspaceLeftRailProps) {
  const pathname = usePathname();
  const router = useRouter();

  // Extract workspace from pathname (e.g., /marks-account/projects -> marks-account)
  const workspace = pathname?.split('/')[1] || 'marks-account';

  const handleSignOut = async () => {
    try {
      await signOut();
      toast.success("Signed out successfully");
      router.push("/auth");
    } catch (error: any) {
      toast.error(error.message);
    }
  };

  return (
    <div className="flex w-16 flex-col items-center border-r bg-card">
      {/* Vib'n Logo */}
      <Link 
        href={`/${workspace}/projects`}
        onClick={() => onSectionChange('projects')}
        className="flex h-14 w-16 items-center justify-center border-b"
      >
        <img 
          src="/vibn-black-circle-logo.png" 
          alt="Vib'n" 
          className="h-10 w-10 cursor-pointer hover:opacity-80 transition-opacity"
        />
      </Link>

      <div className="pt-4 w-full flex flex-col items-center gap-2">
      {/* Navigation Items */}
      <div className="flex flex-col gap-3 w-full items-center">
        {navItems.map((item) => {
          const Icon = item.icon;
          const fullHref = `/${workspace}${item.href}`;
          const isActive = activeSection === item.id || pathname?.includes(item.href);
          
          return (
            <Link
              key={item.id}
              href={fullHref}
              onClick={() => onSectionChange(item.id)}
              className={cn(
                "flex flex-col items-center gap-1 w-full py-2 px-2 transition-all relative",
                isActive
                  ? "text-primary bg-primary/5"
                  : "text-muted-foreground hover:text-foreground hover:bg-accent"
              )}
            >
              <Icon className="h-5 w-5" />
              <span className="text-[10px] font-medium">{item.label}</span>
              {isActive && (
                <div className="absolute left-0 top-1/2 -translate-y-1/2 h-10 w-1 bg-primary" />
              )}
            </Link>
          );
        })}
      </div>

      </div>

      {/* Bottom Items */}
      <div className="mt-auto flex flex-col gap-1 w-full items-center pb-4">
        <Separator className="w-8 mb-1" />
        
        <Link
          href={`/${workspace}/settings`}
          className={cn(
            "flex flex-col items-center gap-1 w-full py-2 px-2 transition-all",
            "text-muted-foreground hover:text-foreground hover:bg-accent"
          )}
        >
          <Settings className="h-5 w-5" />
          <span className="text-[10px] font-medium">Settings</span>
        </Link>
        
        <button
          onClick={handleSignOut}
          className={cn(
            "flex flex-col items-center gap-1 w-full py-2 px-2 transition-all",
            "text-muted-foreground hover:text-foreground hover:bg-accent"
          )}
        >
          <LogOut className="h-5 w-5" />
          <span className="text-[10px] font-medium">Sign Out</span>
        </button>
      </div>
    </div>
  );
}