/**
 * FLOCKRADAR - USER AUTHENTICATION & COMMUNITY STATE MANAGER
 * Waze-style driver profile, preferences, and crowdsourced reporting store.
 */

(function() {
  'use strict';

  const STORAGE_KEY_USER = 'flock_radar_user';
  const STORAGE_KEY_REPORTS = 'flock_community_reports';

  // Default Guest Profile
  const defaultUser = {
    isLoggedIn: false,
    username: 'Guest Driver',
    callsign: 'SCOUT-104',
    level: 1,
    points: 120,
    vehicle: 'Sedan (Silver)',
    soundEnabled: true,
    alertsMuted: false,
    reportsCount: 0
  };

  // State
  let currentUser = null;
  let communityReports = [];

  function init() {
    loadUser();
    loadReports();
  }

  function loadUser() {
    try {
      const stored = localStorage.getItem(STORAGE_KEY_USER);
      if (stored) {
        currentUser = JSON.parse(stored);
      } else {
        currentUser = { ...defaultUser };
      }
    } catch (e) {
      currentUser = { ...defaultUser };
    }
  }

  function saveUser() {
    try {
      localStorage.setItem(STORAGE_KEY_USER, JSON.stringify(currentUser));
      window.dispatchEvent(new CustomEvent('flock_user_updated', { detail: currentUser }));
    } catch (e) {
      console.error('Failed to save user session', e);
    }
  }

  function login(username, vehicle, soundEnabled) {
    currentUser = {
      isLoggedIn: true,
      username: username || 'Citizen Scout',
      callsign: 'RADAR-' + Math.floor(100 + Math.random() * 900),
      level: 2,
      points: 250,
      vehicle: vehicle || 'Standard Vehicle',
      soundEnabled: soundEnabled !== false,
      alertsMuted: false,
      reportsCount: communityReports.length
    };
    saveUser();
    return currentUser;
  }

  function logout() {
    currentUser = { ...defaultUser };
    saveUser();
  }

  function loadReports() {
    try {
      const stored = localStorage.getItem(STORAGE_KEY_REPORTS);
      if (stored) {
        communityReports = JSON.parse(stored);
      } else {
        communityReports = [];
      }
    } catch (e) {
      communityReports = [];
    }
  }

  function saveReports() {
    try {
      localStorage.setItem(STORAGE_KEY_REPORTS, JSON.stringify(communityReports));
      window.dispatchEvent(new CustomEvent('flock_reports_updated', { detail: communityReports }));
    } catch (e) {
      console.error('Failed to save community reports', e);
    }
  }

  function addReport(report) {
    const newReport = {
      id: 'rpt-' + Date.now(),
      lat: report.lat,
      lng: report.lng,
      type: report.type || 'Solar Pole Mount',
      intersection: report.intersection || 'Reported Location',
      notes: report.notes || 'Spotted by community driver',
      reportedBy: currentUser ? currentUser.username : 'Anonymous Scout',
      timestamp: new Date().toISOString(),
      confirmations: 1
    };

    communityReports.push(newReport);
    saveReports();

    if (currentUser) {
      currentUser.points = (currentUser.points || 0) + 50;
      currentUser.reportsCount = (currentUser.reportsCount || 0) + 1;
      saveUser();
    }

    return newReport;
  }

  function getUser() {
    if (!currentUser) loadUser();
    return currentUser;
  }

  function getReports() {
    if (!communityReports) loadReports();
    return communityReports;
  }

  // Export API to global scope
  window.FlockAuth = {
    init,
    getUser,
    login,
    logout,
    saveUser,
    getReports,
    addReport
  };

  init();
})();