import { useState } from "react";
import { useNavigate } from "react-router-dom";
import { useTheme } from "@context/ThemeContext";
import { useAuth } from "@context/AuthContext";
import { Sun, Moon, Palette, Bell, Lock, Database, ChevronRight, LogOut, User } from "lucide-react";
import toast from "react-hot-toast";

export default function SettingsPage() {
  const { theme, toggleTheme, isDark, accentColor, setAccentColor } = useTheme();
  const { user, logout } = useAuth();
  const navigate = useNavigate();
  const [notifications, setNotifications] = useState(true);

  const handleLogout = async () => {
    try {
      await logout();
      toast.success("Logged out successfully");
      navigate("/login");
    } catch (error) {
      toast.error("Logout failed");
    }
  };

  const accentColors = [
    { name: 'violet', color: 'bg-violet-500', value: 'violet' },
    { name: 'blue', color: 'bg-blue-500', value: 'blue' },
    { name: 'cyan', color: 'bg-cyan-500', value: 'cyan' },
    { name: 'emerald', color: 'bg-emerald-500', value: 'emerald' },
    { name: 'amber', color: 'bg-amber-500', value: 'amber' },
    { name: 'rose', color: 'bg-rose-500', value: 'rose' },
  ];

  const cardClasses = `rounded-2xl p-6 border backdrop-blur-lg transition-colors ${
    isDark 
      ? 'bg-white/10 border-white/20' 
      : 'bg-white border-gray-200 shadow-sm'
  }`;

  const labelClasses = `font-medium ${isDark ? 'text-white' : 'text-gray-900'}`;
  const subLabelClasses = `text-sm ${isDark ? 'text-white/60' : 'text-gray-500'}`;

  return (
    <div className="max-w-2xl mx-auto space-y-6 pb-10">
      <div>
        <h1 className={`text-3xl font-bold ${isDark ? 'text-white' : 'text-gray-900'}`}>
          Settings
        </h1>
        <p className={subLabelClasses}>Customize your experience</p>
      </div>

      {/* Appearance */}
      <div className={cardClasses}>
        <h2 className={`text-xl font-semibold mb-5 flex items-center gap-2 ${isDark ? 'text-white' : 'text-gray-900'}`}>
          <Palette size={22} className="text-violet-500" />
          Appearance
        </h2>
        
        {/* Theme Toggle */}
        <div className="flex items-center justify-between py-4 border-b border-white/10">
          <div>
            <p className={labelClasses}>Theme</p>
            <p className={subLabelClasses}>Toggle between light and dark mode</p>
          </div>
          <button
            onClick={toggleTheme}
            className={`flex items-center gap-3 px-5 py-2.5 rounded-xl font-medium transition-all ${
              isDark 
                ? 'bg-amber-500/20 text-amber-300 hover:bg-amber-500/30' 
                : 'bg-slate-800 text-slate-100 hover:bg-slate-700'
            }`}
          >
            {isDark ? (
              <>
                <Sun size={18} />
                Light Mode
              </>
            ) : (
              <>
                <Moon size={18} />
                Dark Mode
              </>
            )}
          </button>
        </div>

        {/* Accent Color */}
        <div className="py-4">
          <div className="mb-3">
            <p className={labelClasses}>Accent Color</p>
            <p className={subLabelClasses}>Choose your preferred accent color</p>
          </div>
          <div className="flex flex-wrap gap-3">
            {accentColors.map(({ name, color, value }) => (
              <button
                key={value}
                onClick={() => setAccentColor(value)}
                className={`w-10 h-10 rounded-xl ${color} transition-transform hover:scale-110 
                  ${accentColor === value ? 'ring-2 ring-offset-2 ring-offset-slate-900 ring-white' : ''}`}
                title={name}
              />
            ))}
          </div>
        </div>
      </div>

      {/* Notifications */}
      <div className={cardClasses}>
        <h2 className={`text-xl font-semibold mb-5 flex items-center gap-2 ${isDark ? 'text-white' : 'text-gray-900'}`}>
          <Bell size={22} className="text-cyan-500" />
          Notifications
        </h2>
        <div className="flex items-center justify-between">
          <div>
            <p className={labelClasses}>Push Notifications</p>
            <p className={subLabelClasses}>Get notified about worship list updates</p>
          </div>
          <button
            onClick={() => setNotifications(!notifications)}
            className={`relative w-14 h-8 rounded-full transition-colors ${
              notifications ? 'bg-emerald-500' : 'bg-white/20'
            }`}
          >
            <div
              className={`absolute top-1 w-6 h-6 bg-white rounded-full shadow-md transition-transform ${
                notifications ? 'left-7' : 'left-1'
              }`}
            />
          </button>
        </div>
      </div>

      {/* Security */}
      <div className={cardClasses}>
        <h2 className={`text-xl font-semibold mb-5 flex items-center gap-2 ${isDark ? 'text-white' : 'text-gray-900'}`}>
          <Lock size={22} className="text-rose-500" />
          Security
        </h2>
        <div className="space-y-3">
          <button className={`w-full flex items-center justify-between p-4 rounded-xl transition-colors ${
            isDark ? 'hover:bg-white/5' : 'hover:bg-gray-50'
          }`}>
            <div className="text-left">
              <p className={labelClasses}>Change Password</p>
              <p className={subLabelClasses}>Update your account password</p>
            </div>
            <ChevronRight size={20} className={isDark ? 'text-white/40' : 'text-gray-400'} />
          </button>
          <button className={`w-full flex items-center justify-between p-4 rounded-xl transition-colors ${
            isDark ? 'hover:bg-white/5' : 'hover:bg-gray-50'
          }`}>
            <div className="text-left">
              <p className={labelClasses}>Biometric Login</p>
              <p className={subLabelClasses}>Use Face ID or fingerprint</p>
            </div>
            <ChevronRight size={20} className={isDark ? 'text-white/40' : 'text-gray-400'} />
          </button>
        </div>
      </div>

      {/* Data */}
      <div className={cardClasses}>
        <h2 className={`text-xl font-semibold mb-5 flex items-center gap-2 ${isDark ? 'text-white' : 'text-gray-900'}`}>
          <Database size={22} className="text-amber-500" />
          Data
        </h2>
        <div className="space-y-3">
          <button className={`w-full flex items-center justify-between p-4 rounded-xl transition-colors ${
            isDark ? 'hover:bg-white/5' : 'hover:bg-gray-50'
          }`}>
            <div className="text-left">
              <p className={labelClasses}>Export Songs</p>
              <p className={subLabelClasses}>Download all songs as JSON</p>
            </div>
            <ChevronRight size={20} className={isDark ? 'text-white/40' : 'text-gray-400'} />
          </button>
          <button className={`w-full flex items-center justify-between p-4 rounded-xl transition-colors ${
            isDark ? 'hover:bg-white/5' : 'hover:bg-gray-50'
          }`}>
            <div className="text-left">
              <p className={labelClasses}>Clear Cache</p>
              <p className={subLabelClasses}>Free up storage space</p>
            </div>
            <ChevronRight size={20} className={isDark ? 'text-white/40' : 'text-gray-400'} />
          </button>
        </div>
      </div>

      {/* About */}
      <div className={cardClasses}>
        <h2 className={`text-xl font-semibold mb-4 ${isDark ? 'text-white' : 'text-gray-900'}`}>
          About
        </h2>
        <div className={`space-y-2 ${isDark ? 'text-white/70' : 'text-gray-600'}`}>
          <p className="font-semibold">HOP Worship Platform</p>
          <p>Version 2.0.0</p>
          <p>House of Praise Music Ministry</p>
          <p className="text-sm mt-4 opacity-70">
            © 2026 House of Praise. All rights reserved.
          </p>
        </div>
      </div>

      {/* Account Section */}
      <div className={cardClasses}>
        <h2 className={`text-xl font-semibold mb-5 flex items-center gap-2 ${isDark ? 'text-white' : 'text-gray-900'}`}>
          <User size={22} className="text-blue-500" />
          Account
        </h2>
        
        {/* User Info */}
        <div className={`p-4 rounded-xl mb-4 ${isDark ? 'bg-white/5' : 'bg-gray-50'}`}>
          <p className={`text-sm ${subLabelClasses}`}>Logged in as</p>
          <p className={`font-semibold ${labelClasses}`}>
            {user?.name || user?.username || 'User'}
          </p>
          <p className={`text-xs ${subLabelClasses}`}>
            {user?.role === 'admin' ? 'Administrator' : 'User'}
          </p>
        </div>

        {/* Logout Button */}
        <button
          onClick={handleLogout}
          className={`w-full flex items-center justify-center gap-3 p-4 rounded-xl font-medium transition-all transform active:scale-[0.98] ${
            isDark 
              ? 'bg-red-500/20 hover:bg-red-500/30 text-red-400 border border-red-500/30' 
              : 'bg-red-50 hover:bg-red-100 text-red-600 border border-red-200'
          }`}
        >
          <LogOut size={20} />
          <span>Sign Out</span>
        </button>
      </div>
    </div>
  );
}