"use client";

import { Moon, Sun } from "lucide-react";
import { Button } from "@/components/ui/button";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { useAppTheme } from "@/providers/theme-provider";

/**
 * Theme Toggle Button
 * Allows users to switch between the light and dark themes. There is no
 * "system" entry — the app never follows the OS preference.
 */
export function ThemeToggle() {
  const { setTheme, theme } = useAppTheme();

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button variant="ghost" size="icon">
          <Sun className="h-5 w-5 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
          <Moon className="absolute h-5 w-5 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
          <span className="sr-only">Toggle theme</span>
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuContent align="end">
        <DropdownMenuItem onClick={() => setTheme("light")}>
          <Sun className="mr-2 h-4 w-4" />
          Light
          {theme === "light" && <span className="ml-auto">✓</span>}
        </DropdownMenuItem>
        <DropdownMenuItem onClick={() => setTheme("dark")}>
          <Moon className="mr-2 h-4 w-4" />
          Dark
          {theme === "dark" && <span className="ml-auto">✓</span>}
        </DropdownMenuItem>
      </DropdownMenuContent>
    </DropdownMenu>
  );
}

/**
 * Simple Theme Toggle (just icon, toggles between light/dark)
 */
export function ThemeToggleSimple() {
  const { toggleTheme, isDark } = useAppTheme();

  return (
    <Button variant="ghost" size="icon" onClick={toggleTheme}>
      {isDark ? <Sun className="h-5 w-5" /> : <Moon className="h-5 w-5" />}
      <span className="sr-only">Toggle theme</span>
    </Button>
  );
}