import type { Metadata, Viewport } from "next";
import "leaflet/dist/leaflet.css";
import "./globals.css";
import { AuthProvider } from "@/components/AuthProvider";
import OfflineIndicator from "@/components/OfflineIndicator";
import InstallPrompt from "@/components/InstallPrompt";
import { PWABridge } from "@/components/PWABridge";
import UpdateWatcher from "@/components/UpdateWatcher";
import LocationTracker from "@/components/LocationTracker";
import { applyDarkMode } from "@/lib/theme";

// Apply dark mode BEFORE React hydrates so we don't get a flash
// of light theme on first paint. Reads the same `1driver_settings`
// key the settings page writes to.
applyDarkMode();

export const metadata: Metadata = {
  title: "1Driver - Collections",
  description: "Mobile driver collection management app",
  manifest: "/manifest.json",
  appleWebApp: {
    capable: true,
    statusBarStyle: "black-translucent",
    title: "1Driver",
  },
  formatDetection: {
    telephone: false,
  },
};

export const viewport: Viewport = {
  width: "device-width",
  initialScale: 1,
  maximumScale: 1,
  userScalable: false,
  viewportFit: "cover",
  themeColor: "#26251e",
};

export default function RootLayout({
  children,
}: {
  children: React.ReactNode;
}) {
  return (
    <html lang="en">
      <body className="antialiased bg-[#f2f1ed] text-[#26251e] safe-top safe-bottom overscroll-none">
        <a
          href="#main-content"
          className="sr-only focus:not-sr-only focus:fixed focus:top-2 focus:left-2 focus:z-[100] focus:px-3 focus:py-2 focus:bg-white focus:text-[#26251e] focus:rounded-lg focus:shadow-lg focus:font-semibold focus:text-sm"
        >
          Skip to main content
        </a>
        <AuthProvider>
          <PWABridge />
          <UpdateWatcher />
          <OfflineIndicator />
          <InstallPrompt />
          {/*
            LocationTracker hoisted to the layout so the GPS watch
            survives bottom-nav tab switches. Previously this lived
            on every page, which meant every tab switch tore down
            watchPosition + the wake lock + the interval and then
            re-acquired them. Now it lives once, gates on auth, and
            persists across navigation.
          */}
          <LocationTracker />
          {children}
        </AuthProvider>
      </body>
    </html>
  );
}