/**
 * Script de Consentimento de Cookies - Auto Estatísticas
 * Versão 1.0
 * Compatível com LGPD
 */

// Configurações do Cookie Consent
const cookieConfig = {
    cookieName: 'autoEstatisticasConsent',
    cookieExpiryDays: 365,
    necessaryCookies: ['session', 'security'],
    analyticsCookies: ['_ga', '_gid', '_gat'],
    marketingCookies: ['fbp', 'fr'],
    bannerPosition: 'bottom',
    colors: {
      bannerBackground: '#1a1a1a',
      bannerText: '#ffffff',
      buttonBackground: '#981e32',
      buttonText: '#ffffff',
      buttonHover: '#7a1728'
    },
    content: {
      title: 'Este site usa cookies',
      message: 'Nós utilizamos cookies para melhorar sua experiência no site. Ao continuar navegando, você concorda com nossa Política de Privacidade.',
      accept: 'Aceitar todos',
      settings: 'Configurar',
      reject: 'Rejeitar não essenciais',
      close: '✕',
      necessaryTitle: 'Cookies Necessários',
      necessaryDesc: 'Essenciais para o funcionamento do site',
      analyticsTitle: 'Cookies de Análise',
      analyticsDesc: 'Nos ajudam a entender como você usa o site',
      marketingTitle: 'Cookies de Marketing',
      marketingDesc: 'Usados para personalizar anúncios',
      save: 'Salvar preferências'
    }
  };
  
  // Verifica se o usuário já consentiu com os cookies
  function checkConsent() {
    const consent = getCookie(cookieConfig.cookieName);
    
    if (consent) {
      const consentData = JSON.parse(consent);
      loadCookies(consentData);
      return true;
    }
    
    return false;
  }
  
  // Mostra o banner de cookies se não houver consentimento
  function showCookieBanner() {
    if (checkConsent()) return;
    
    const banner = document.createElement('div');
    banner.id = 'cookie-consent-banner';
    banner.style.cssText = `
      position: fixed;
      ${cookieConfig.bannerPosition}: 0;
      left: 0;
      right: 0;
      background: ${cookieConfig.colors.bannerBackground};
      color: ${cookieConfig.colors.bannerText};
      padding: 20px;
      z-index: 9999;
      display: flex;
      flex-direction: column;
      gap: 15px;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
      font-family: 'Montserrat', 'Roboto', sans-serif;
    `;
    
    const textContainer = document.createElement('div');
    textContainer.style.cssText = 'max-width: 1200px; margin: 0 auto; width: 100%;';
    
    if (cookieConfig.content.title) {
      const title = document.createElement('h3');
      title.textContent = cookieConfig.content.title;
      title.style.cssText = 'margin: 0 0 10px 0; font-size: 1.2rem;';
      textContainer.appendChild(title);
    }
    
    const message = document.createElement('p');
    message.innerHTML = `${cookieConfig.content.message} <a href="/politica-de-privacidade.html" style="color: ${cookieConfig.colors.buttonBackground}; text-decoration: underline;">Política de Privacidade</a>`;
    message.style.cssText = 'margin: 0; font-size: 0.9rem; line-height: 1.5;';
    textContainer.appendChild(message);
    
    const buttonsContainer = document.createElement('div');
    buttonsContainer.style.cssText = 'display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px;';
    
    const acceptAllBtn = createButton(cookieConfig.content.accept, 'accept-all', true);
    acceptAllBtn.addEventListener('click', () => {
      setConsent(true, true, true);
      banner.remove();
    });
    buttonsContainer.appendChild(acceptAllBtn);
    
    const settingsBtn = createButton(cookieConfig.content.settings, 'settings', false);
    settingsBtn.addEventListener('click', () => showSettingsModal());
    buttonsContainer.appendChild(settingsBtn);
    
    const rejectBtn = createButton(cookieConfig.content.reject, 'reject', false);
    rejectBtn.addEventListener('click', () => {
      setConsent(true, false, false);
      banner.remove();
    });
    buttonsContainer.appendChild(rejectBtn);
    
    const closeBtn = document.createElement('button');
    closeBtn.textContent = cookieConfig.content.close;
    closeBtn.style.cssText = `
      position: absolute;
      top: 10px;
      right: 10px;
      background: none;
      border: none;
      color: ${cookieConfig.colors.bannerText};
      font-size: 1rem;
      cursor: pointer;
      padding: 5px;
    `;
    closeBtn.addEventListener('click', () => {
      banner.remove();
      // Define consentimento apenas para cookies necessários
      setConsent(true, false, false);
    });
    
    banner.appendChild(closeBtn);
    banner.appendChild(textContainer);
    banner.appendChild(buttonsContainer);
    document.body.appendChild(banner);
  }
  
  // Mostra o modal de configurações avançadas
  function showSettingsModal() {
    const modal = document.createElement('div');
    modal.id = 'cookie-settings-modal';
    modal.style.cssText = `
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      background: ${cookieConfig.colors.bannerBackground};
      color: ${cookieConfig.colors.bannerText};
      padding: 30px;
      z-index: 10000;
      max-width: 600px;
      width: 90%;
      border-radius: 8px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
      font-family: 'Montserrat', 'Roboto', sans-serif;
    `;
    
    const closeBtn = document.createElement('button');
    closeBtn.textContent = cookieConfig.content.close;
    closeBtn.style.cssText = `
      position: absolute;
      top: 10px;
      right: 10px;
      background: none;
      border: none;
      color: ${cookieConfig.colors.bannerText};
      font-size: 1rem;
      cursor: pointer;
      padding: 5px;
    `;
    closeBtn.addEventListener('click', () => modal.remove());
    
    const title = document.createElement('h3');
    title.textContent = 'Preferências de Cookies';
    title.style.cssText = 'margin: 0 0 20px 0; font-size: 1.3rem;';
    
    // Cookies Necessários (sempre ativos)
    const necessaryDiv = document.createElement('div');
    necessaryDiv.style.marginBottom = '20px';
    
    const necessaryTitle = document.createElement('h4');
    necessaryTitle.textContent = cookieConfig.content.necessaryTitle;
    necessaryTitle.style.cssText = 'margin: 0 0 10px 0; font-size: 1.1rem;';
    
    const necessaryDesc = document.createElement('p');
    necessaryDesc.textContent = cookieConfig.content.necessaryDesc;
    necessaryDesc.style.cssText = 'margin: 0 0 10px 0; font-size: 0.9rem; opacity: 0.8;';
    
    const necessaryCheckbox = document.createElement('input');
    necessaryCheckbox.type = 'checkbox';
    necessaryCheckbox.id = 'necessary-cookies';
    necessaryCheckbox.checked = true;
    necessaryCheckbox.disabled = true;
    necessaryCheckbox.style.marginRight = '10px';
    
    const necessaryLabel = document.createElement('label');
    necessaryLabel.htmlFor = 'necessary-cookies';
    necessaryLabel.textContent = 'Sempre ativos';
    necessaryLabel.style.cssText = 'font-size: 0.9rem; cursor: not-allowed;';
    
    necessaryDiv.appendChild(necessaryTitle);
    necessaryDiv.appendChild(necessaryDesc);
    necessaryDiv.appendChild(necessaryCheckbox);
    necessaryDiv.appendChild(necessaryLabel);
    
    // Cookies de Análise
    const analyticsDiv = document.createElement('div');
    analyticsDiv.style.marginBottom = '20px';
    
    const analyticsTitle = document.createElement('h4');
    analyticsTitle.textContent = cookieConfig.content.analyticsTitle;
    analyticsTitle.style.cssText = 'margin: 0 0 10px 0; font-size: 1.1rem;';
    
    const analyticsDesc = document.createElement('p');
    analyticsDesc.textContent = cookieConfig.content.analyticsDesc;
    analyticsDesc.style.cssText = 'margin: 0 0 10px 0; font-size: 0.9rem; opacity: 0.8;';
    
    const analyticsCheckbox = document.createElement('input');
    analyticsCheckbox.type = 'checkbox';
    analyticsCheckbox.id = 'analytics-cookies';
    analyticsCheckbox.style.marginRight = '10px';
    
    const analyticsLabel = document.createElement('label');
    analyticsLabel.htmlFor = 'analytics-cookies';
    analyticsLabel.textContent = 'Ativar cookies de análise';
    analyticsLabel.style.cssText = 'font-size: 0.9rem; cursor: pointer;';
    
    analyticsDiv.appendChild(analyticsTitle);
    analyticsDiv.appendChild(analyticsDesc);
    analyticsDiv.appendChild(analyticsCheckbox);
    analyticsDiv.appendChild(analyticsLabel);
    
    // Cookies de Marketing
    const marketingDiv = document.createElement('div');
    marketingDiv.style.marginBottom = '30px';
    
    const marketingTitle = document.createElement('h4');
    marketingTitle.textContent = cookieConfig.content.marketingTitle;
    marketingTitle.style.cssText = 'margin: 0 0 10px 0; font-size: 1.1rem;';
    
    const marketingDesc = document.createElement('p');
    marketingDesc.textContent = cookieConfig.content.marketingDesc;
    marketingDesc.style.cssText = 'margin: 0 0 10px 0; font-size: 0.9rem; opacity: 0.8;';
    
    const marketingCheckbox = document.createElement('input');
    marketingCheckbox.type = 'checkbox';
    marketingCheckbox.id = 'marketing-cookies';
    marketingCheckbox.style.marginRight = '10px';
    
    const marketingLabel = document.createElement('label');
    marketingLabel.htmlFor = 'marketing-cookies';
    marketingLabel.textContent = 'Ativar cookies de marketing';
    marketingLabel.style.cssText = 'font-size: 0.9rem; cursor: pointer;';
    
    marketingDiv.appendChild(marketingTitle);
    marketingDiv.appendChild(marketingDesc);
    marketingDiv.appendChild(marketingCheckbox);
    marketingDiv.appendChild(marketingLabel);
    
    // Botão Salvar
    const saveBtn = createButton(cookieConfig.content.save, 'save-settings', true);
    saveBtn.style.width = '100%';
    saveBtn.addEventListener('click', () => {
      const analyticsConsent = document.getElementById('analytics-cookies').checked;
      const marketingConsent = document.getElementById('marketing-cookies').checked;
      
      setConsent(true, analyticsConsent, marketingConsent);
      modal.remove();
      document.getElementById('cookie-consent-banner')?.remove();
    });
    
    modal.appendChild(closeBtn);
    modal.appendChild(title);
    modal.appendChild(necessaryDiv);
    modal.appendChild(analyticsDiv);
    modal.appendChild(marketingDiv);
    modal.appendChild(saveBtn);
    
    document.body.appendChild(modal);
    
    // Adiciona overlay
    const overlay = document.createElement('div');
    overlay.style.cssText = `
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.5);
      z-index: 9999;
    `;
    overlay.addEventListener('click', () => {
      modal.remove();
      overlay.remove();
    });
    
    document.body.appendChild(overlay);
  }
  
  // Cria um botão estilizado
  function createButton(text, className, isPrimary) {
    const btn = document.createElement('button');
    btn.textContent = text;
    btn.className = className;
    btn.style.cssText = `
      padding: 10px 15px;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-family: 'Montserrat', 'Roboto', sans-serif;
      font-size: 0.9rem;
      transition: all 0.3s ease;
      background: ${isPrimary ? cookieConfig.colors.buttonBackground : 'transparent'};
      color: ${isPrimary ? cookieConfig.colors.buttonText : cookieConfig.colors.bannerText};
      border: ${!isPrimary ? `1px solid ${cookieConfig.colors.bannerText}` : 'none'};
    `;
    
    btn.addEventListener('mouseover', () => {
      if (isPrimary) {
        btn.style.background = cookieConfig.colors.buttonHover;
      } else {
        btn.style.background = 'rgba(255, 255, 255, 0.1)';
      }
    });
    
    btn.addEventListener('mouseout', () => {
      if (isPrimary) {
        btn.style.background = cookieConfig.colors.buttonBackground;
      } else {
        btn.style.background = 'transparent';
      }
    });
    
    return btn;
  }
  
  // Define o consentimento do usuário
  function setConsent(necessary, analytics, marketing) {
    const consentData = {
      necessary,
      analytics,
      marketing,
      date: new Date().toISOString()
    };
    
    setCookie(cookieConfig.cookieName, JSON.stringify(consentData), cookieConfig.cookieExpiryDays);
    loadCookies(consentData);
  }
  
  // Carrega os cookies com base no consentimento
  function loadCookies(consent) {
    // Cookies necessários já estão sendo carregados
    
    // Carrega Google Analytics se consentido
    if (consent.analytics && !window.GA_INITIALIZED) {
      window.dataLayer = window.dataLayer || [];
      function gtag(){dataLayer.push(arguments);}
      gtag('js', new Date());
      gtag('config', 'UA-XXXXX-Y'); // Substitua pelo seu ID do Google Analytics
      window.GA_INITIALIZED = true;
    }
    
    // Carrega Facebook Pixel se consentido
    if (consent.marketing && !window.FB_INITIALIZED) {
      !function(f,b,e,v,n,t,s)
      {if(f.fbq)return;n=f.fbq=function(){n.callMethod?
      n.callMethod.apply(n,arguments):n.queue.push(arguments)};
      if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
      n.queue=[];t=b.createElement(e);t.async=!0;
      t.src=v;s=b.getElementsByTagName(e)[0];
      s.parentNode.insertBefore(t,s)}(window, document,'script',
      'https://connect.facebook.net/en_US/fbevents.js');
      fbq('init', 'XXXXXXXXXXXXXXX'); // Substitua pelo seu Pixel ID
      fbq('track', 'PageView');
      window.FB_INITIALIZED = true;
    }
  }
  
  // Funções auxiliares para manipulação de cookies
  function setCookie(name, value, days) {
    const date = new Date();
    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    const expires = "expires=" + date.toUTCString();
    document.cookie = name + "=" + value + ";" + expires + ";path=/;SameSite=Lax";
  }
  
  function getCookie(name) {
    const nameEQ = name + "=";
    const ca = document.cookie.split(';');
    for (let i = 0; i < ca.length; i++) {
      let c = ca[i];
      while (c.charAt(0) === ' ') c = c.substring(1, c.length);
      if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
  }
  
  // Inicializa o banner quando o DOM estiver pronto
  document.addEventListener('DOMContentLoaded', function() {
    if (!checkConsent()) {
      showCookieBanner();
    }
  });
  
  // Exporta funções para uso global (se necessário)
  window.cookieConsent = {
    showSettings: showSettingsModal,
    resetConsent: function() {
      document.cookie = `${cookieConfig.cookieName}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;`;
      showCookieBanner();
    }
  };