WFDASHDRIVER-APP/app/settings/page.tsx

'use client';

import { useState, useEffect } from 'react';
import { useRouter } from 'next/navigation';
import { useAuth } from '@/components/AuthProvider';
import BottomNav from '@/components/BottomNav';
import { getSettings, saveSettings, logout } from '@/lib/pocketbase';
import { AppSettings, DEFAULT_SETTINGS } from '@/lib/types';
import { cn } from '@/lib/utils';
import { setDarkMode, applyDarkMode } from '@/lib/theme';
import {
  Settings,
  Clock,
  Crosshair,
  LogOut,
  Save,
  RotateCcw,
  Info,
  ChevronRight,
  Signal,
  MapPin,
  Shield,
  Moon,
  Sun,
} from 'lucide-react';

const INTERVAL_OPTIONS = [
  { value: 30, label: '30s' },
  { value: 60, label: '1 min' },
  { value: 120, label: '2 min' },
  { value: 300, label: '5 min' },
  { value: 600, label: '10 min' },
];

const ACCURACY_OPTIONS = [
  { value: 10, label: '10m', desc: 'High precision' },
  { value: 50, label: '50m', desc: 'Balanced' },
  { value: 100, label: '100m', desc: 'Battery saver' },
  { value: 500, label: '500m', desc: 'Low power' },
];

export default function SettingsPage() {
  const router = useRouter();
  const { isLoggedIn, user, isLoading: authLoading } = useAuth();
  const [settings, setSettings] = useState<AppSettings>(DEFAULT_SETTINGS);
  const [saved, setSaved] = useState(false);

  useEffect(() => {
    if (!authLoading && !isLoggedIn) router.push('/login/');
  }, [isLoggedIn, authLoading, router]);

  useEffect(() => {
    setSettings(getSettings());
  }, []);

  const updateSetting = <K extends keyof AppSettings>(key: K, value: AppSettings[K]) => {
    const updated = { ...settings, [key]: value };
    setSettings(updated);
    saveSettings({ [key]: value });
    // Dark mode also needs to flip the <html> class — the rest of
    // AppSettings is purely persisted, but darkMode drives a class
    // Tailwind keys off of, so we apply it inline here.
    if (key === 'darkMode') setDarkMode(Boolean(value));
    setSaved(true);
    setTimeout(() => setSaved(false), 2000);
  };

  const resetSettings = () => {
    if (confirm('Reset all settings to defaults?')) {
      setSettings(DEFAULT_SETTINGS);
      saveSettings(DEFAULT_SETTINGS);
      setSaved(true);
      setTimeout(() => setSaved(false), 2000);
    }
  };

  if (authLoading) {
    return (
      <div className="min-h-screen flex items-center justify-center bg-[#f2f1ed]">
        <div className="flex flex-col items-center gap-3">
          <div className="w-10 h-10 border-[3px] border-[#f54e00] border-t-transparent rounded-full animate-spin" />
          <p className="text-sm text-[rgba(38,37,30,0.55)]">Loading...</p>
        </div>
      </div>
    );
  }

  if (!isLoggedIn) return null;

  return (
    <div className="min-h-screen bg-[#f2f1ed] pb-nav">
      {/* Header — Cursor cream surface, dark ink icon tile */}
      <header className="bg-[#e6e5e0] text-[#26251e] safe-top border-b border-[rgba(38,37,30,0.1)]">
        <div className="px-4 py-4">
          <div className="flex items-center gap-3">
            <div className="w-12 h-12 bg-[#26251e] rounded-2xl flex items-center justify-center" style={{ boxShadow: '0 4px 12px rgba(0,0,0,0.15)' }}>
              <Settings size={22} className="text-white" />
            </div>
            <div className="flex-1 min-w-0">
              <h1 className="text-lg font-bold text-[#26251e]">Settings</h1>
              <p className="text-xs text-[rgba(38,37,30,0.55)] truncate">{user?.name || user?.email}</p>
            </div>
          </div>
        </div>
      </header>

      <main className="p-4 space-y-6">
        {/* Location Settings */}
        <section>
          <div className="flex items-center gap-2 mb-3 px-1">
            <Signal size={14} className="text-[#f54e00]" />
            <h2 className="text-xs font-bold text-[rgba(38,37,30,0.55)] uppercase tracking-wider">
              Location Tracking
            </h2>
          </div>

          <div className="bg-[#e6e5e0] rounded-2xl overflow-hidden border border-[rgba(38,37,30,0.1)]">
            {/* Update Interval */}
            <div className="p-4 border-b border-[rgba(38,37,30,0.08)]">
              <div className="flex items-center justify-between mb-3">
                <div className="flex items-center gap-2">
                  <Clock size={16} className="text-[rgba(38,37,30,0.55)]" />
                  <span className="text-sm font-semibold text-[#26251e]">Ping Interval</span>
                </div>
                <span className="text-xs font-bold text-[#f54e00] bg-[#ebeae5] px-2.5 py-1 rounded-lg">
                  {settings.locationInterval >= 60 ? `${settings.locationInterval / 60} min` : `${settings.locationInterval}s`}
                </span>
              </div>
              <div className="grid grid-cols-5 gap-1.5">
                {INTERVAL_OPTIONS.map((option) => (
                  <button
                    key={option.value}
                    onClick={() => updateSetting('locationInterval', option.value)}
                    aria-pressed={settings.locationInterval === option.value}
                    className={cn(
                      'py-2.5 rounded-xl text-xs font-semibold transition-all',
                      'touch-manipulation press-feedback-sm',
                      settings.locationInterval === option.value
                        ? 'bg-[#26251e] text-white'
                        : 'bg-[#ebeae5] text-[rgba(38,37,30,0.7)] active:bg-[#e1e0db]'
                    )}
                  >
                    {option.label}
                  </button>
                ))}
              </div>
            </div>

            {/* Minimum Accuracy */}
            <div className="p-4 border-b border-[rgba(38,37,30,0.08)]">
              <div className="flex items-center justify-between mb-3">
                <div className="flex items-center gap-2">
                  <Crosshair size={16} className="text-[rgba(38,37,30,0.55)]" />
                  <span className="text-sm font-semibold text-[#26251e]">Accuracy Filter</span>
                </div>
                <span className="text-xs font-bold text-[#f54e00] bg-[#ebeae5] px-2.5 py-1 rounded-lg">
                  {settings.minimumAccuracy}m
                </span>
              </div>
              <div className="grid grid-cols-4 gap-1.5">
                {ACCURACY_OPTIONS.map((option) => (
                  <button
                    key={option.value}
                    onClick={() => updateSetting('minimumAccuracy', option.value)}
                    aria-pressed={settings.minimumAccuracy === option.value}
                    className={cn(
                      'py-2.5 rounded-xl text-xs font-semibold transition-all flex flex-col items-center',
                      'touch-manipulation press-feedback-sm',
                      settings.minimumAccuracy === option.value
                        ? 'bg-[#26251e] text-white'
                        : 'bg-[#ebeae5] text-[rgba(38,37,30,0.7)] active:bg-[#e1e0db]'
                    )}
                  >
                    <span>{option.label}</span>
                    <span className={cn(
                      'text-[9px] mt-0.5',
                      settings.minimumAccuracy === option.value ? 'text-[rgba(242,241,237,0.7)]' : 'text-[rgba(38,37,30,0.55)]'
                    )}>
                      {option.desc}
                    </span>
                  </button>
                ))}
              </div>
            </div>

            {/* High Accuracy Toggle */}
            <div className="p-4">
              <div className="flex items-center justify-between">
                <div className="flex items-center gap-3">
                  <div className="w-8 h-8 bg-[#ebeae5] rounded-xl flex items-center justify-center">
                    <MapPin size={16} className="text-[#26251e]" />
                  </div>
                  <div>
                    <span className="text-sm font-semibold text-[#26251e] block">High Accuracy GPS</span>
                    <span className="text-[11px] text-[rgba(38,37,30,0.55)]">Uses more battery for precision</span>
                  </div>
                </div>
                <button
                  onClick={() => updateSetting('enableHighAccuracy', !settings.enableHighAccuracy)}
                  role="switch"
                  aria-checked={settings.enableHighAccuracy}
                  aria-label="High Accuracy GPS"
                  className={cn(
                    'w-[52px] h-[30px] rounded-full transition-colors relative',
                    settings.enableHighAccuracy ? 'bg-[#f54e00]' : 'bg-[rgba(38,37,30,0.15)]'
                  )}
                >
                  <div className={cn(
                    'absolute top-[3px] w-6 h-6 bg-white rounded-full shadow-md transition-transform',
                    settings.enableHighAccuracy ? 'translate-x-[26px]' : 'translate-x-[3px]'
                  )} />
                </button>
              </div>
            </div>

            {/* Screen Wake Lock */}
            <div className="p-4 border-t border-[rgba(38,37,30,0.08)]">
              <div className="flex items-center justify-between">
                <div className="flex items-center gap-3">
                  <div className="w-8 h-8 bg-[#e6f1ec] rounded-xl flex items-center justify-center">
                    <Shield size={16} className="text-[#125a3e]" />
                  </div>
                  <div>
                    <span className="text-sm font-semibold text-[#26251e] block">Keep Screen On</span>
                    <span className="text-[11px] text-[rgba(38,37,30,0.55)]">Prevents phone from sleeping</span>
                  </div>
                </div>
                <button
                  onClick={() => updateSetting('offlineMode', !settings.offlineMode)}
                  role="switch"
                  aria-checked={settings.offlineMode}
                  aria-label="Keep screen on"
                  className={cn(
                    'w-[52px] h-[30px] rounded-full transition-colors relative',
                    settings.offlineMode ? 'bg-[#f54e00]' : 'bg-[rgba(38,37,30,0.15)]'
                  )}
                >
                  <div className={cn(
                    'absolute top-[3px] w-6 h-6 bg-white rounded-full shadow-md transition-transform',
                    settings.offlineMode ? 'translate-x-[26px]' : 'translate-x-[3px]'
                  )} />
                </button>
              </div>
            </div>
          </div>
        </section>

        {/* Appearance */}
        <section>
          <div className="flex items-center gap-2 mb-3 px-1">
            {settings.darkMode
              ? <Moon size={14} className="text-[#f54e00]" />
              : <Sun size={14} className="text-[#f54e00]" />}
            <h2 className="text-xs font-bold text-[rgba(38,37,30,0.55)] uppercase tracking-wider">
              Appearance
            </h2>
          </div>

          <div className="bg-[#e6e5e0] rounded-2xl overflow-hidden border border-[rgba(38,37,30,0.1)]">
            <div className="p-4">
              <div className="flex items-center justify-between">
                <div className="flex items-center gap-3">
                  <div className="w-8 h-8 bg-[#ebeae5] rounded-xl flex items-center justify-center">
                    {settings.darkMode
                      ? <Moon size={16} className="text-[#26251e]" />
                      : <Sun size={16} className="text-[#f54e00]" />}
                  </div>
                  <div>
                    <span className="text-sm font-semibold text-[#26251e] block">Dark Mode</span>
                    <span className="text-[11px] text-[rgba(38,37,30,0.55)]">Easier on the eyes at night</span>
                  </div>
                </div>
                <button
                  onClick={() => updateSetting('darkMode', !settings.darkMode)}
                  role="switch"
                  aria-checked={settings.darkMode}
                  aria-label="Dark mode"
                  className={cn(
                    'w-[52px] h-[30px] rounded-full transition-colors relative',
                    settings.darkMode ? 'bg-[#f54e00]' : 'bg-[rgba(38,37,30,0.15)]'
                  )}
                >
                  <div className={cn(
                    'absolute top-[3px] w-6 h-6 bg-white rounded-full shadow-md transition-transform',
                    settings.darkMode ? 'translate-x-[26px]' : 'translate-x-[3px]'
                  )} />
                </button>
              </div>
            </div>
          </div>
        </section>

        {/* About */}
        <section>
          <div className="flex items-center gap-2 mb-3 px-1">
            <Info size={14} className="text-[#f54e00]" />
            <h2 className="text-xs font-bold text-[rgba(38,37,30,0.55)] uppercase tracking-wider">About</h2>
          </div>

          <div className="bg-[#e6e5e0] rounded-2xl overflow-hidden border border-[rgba(38,37,30,0.1)]">
            <div className="p-5 text-center">
              <div className="w-14 h-14 bg-[#26251e] rounded-2xl mx-auto mb-3 flex items-center justify-center" style={{ boxShadow: '0 4px 12px rgba(0,0,0,0.15)' }}>
                <span className="text-white font-bold text-xl">1D</span>
              </div>
              <h3 className="text-lg font-bold text-[#26251e]">1Driver</h3>
              <p className="text-xs text-[rgba(38,37,30,0.55)] mt-1">Version 1.0.0</p>
              <p className="text-[11px] text-[rgba(38,37,30,0.4)] mt-0.5">Collection Management App</p>
            </div>
          </div>
        </section>

        {/* Actions */}
        <div className="space-y-2.5">
          <button
            onClick={resetSettings}
            className={cn(
              'w-full py-3.5 px-4 rounded-2xl text-sm font-semibold',
              'bg-[#e6e5e0] border border-[rgba(38,37,30,0.1)] text-[#26251e] active:bg-[#ebeae5]',
              'touch-manipulation press-feedback flex items-center justify-center gap-2'
            )}
          >
            <RotateCcw size={16} />
            Reset to Defaults
          </button>

          <button
            onClick={() => {
              if (confirm('Are you sure you want to sign out?')) {
                logout();
              }
            }}
            className={cn(
              'w-full py-3.5 px-4 rounded-2xl text-white font-semibold text-[15px]',
              'bg-[#cf2d56] active:bg-[#8a1b3a] transition-colors',
              'touch-manipulation press-feedback flex items-center justify-center gap-2'
            )}
            style={{ boxShadow: '0 4px 12px rgba(207,45,86,0.3)' }}
          >
            <LogOut size={18} />
            Sign Out
          </button>
        </div>
      </main>

      {/* Saved Toast */}
      {saved && (
        <div className="fixed top-4 left-4 right-4 z-[70] animate-slide-down safe-top">
          <div
            className="px-4 py-3 rounded-2xl text-sm font-medium text-white text-center bg-[#1f8a65] flex items-center justify-center gap-2"
            role="status"
            aria-live="polite"
            style={{ boxShadow: '0 14px 32px rgba(0,0,0,0.18)' }}
          >
            <Save size={16} />
            Settings saved
          </div>
        </div>
      )}

      <BottomNav />
    </div>
  );
}