Update index.js

index.js

@@ -1,114 +1,173 @@
-class PDFAnalyzer {
+class PDFComplianceAnalyzer {
     constructor() {
         this.fileInput = document.getElementById('file-upload');
-        this.loading = document.getElementById('loading');
+        this.loadingElement = document.getElementById('loading');
         this.resultsContainer = document.getElementById('analysis-results');
+        this.reportContainer = document.getElementById('compliance-report');
+        this.reportContent = document.querySelector('.report-content');
         
         this.initializeEventListeners();
     }
 
     initializeEventListeners() {
         this.fileInput.addEventListener('change', (e) => this.handleFileChange(e));
-        
-        // Drag and drop handlers
+        this.setupDragAndDrop();
+    }
+
+    setupDragAndDrop() {
         const uploadArea = document.querySelector('.upload-area');
-        uploadArea.addEventListener('dragover', (e) => {
-            e.preventDefault();
-            uploadArea.style.borderColor = 'var(--primary-color)';
-        });
         
-        uploadArea.addEventListener('dragleave', () => {
-            uploadArea.style.borderColor = '#d1d5db';
+        ['dragenter', 'dragover'].forEach(eventName => {
+            uploadArea.addEventListener(eventName, (e) => {
+                e.preventDefault();
+                uploadArea.classList.add('drag-over');
+            });
         });
-        
+
+        ['dragleave', 'drop'].forEach(eventName => {
+            uploadArea.addEventListener(eventName, (e) => {
+                e.preventDefault();
+                uploadArea.classList.remove('drag-over');
+            });
+        });
+
         uploadArea.addEventListener('drop', (e) => {
-            e.preventDefault();
-            uploadArea.style.borderColor = '#d1d5db';
             const files = Array.from(e.dataTransfer.files);
-            this.analyzeFiles(files);
+            if (files.length > 0 && files[0].type === 'application/pdf') {
+                this.analyzePDF(files[0]);
+            } else {
+                this.showError('Por favor, envie apenas arquivos PDF.');
+            }
         });
     }
 
-    async handleFileChange(e) {
-        const files = Array.from(e.target.files);
-        await this.analyzeFiles(files);
+    handleFileChange(e) {
+        const file = e.target.files[0];
+        if (file && file.type === 'application/pdf') {
+            this.analyzePDF(file);
+        } else {
+            this.showError('Por favor, selecione um arquivo PDF válido.');
+        }
     }
 
-    async analyzeFiles(files) {
-        this.loading.classList.remove('hidden');
-        
-        for (const file of files) {
-            try {
-                const analysis = await this.analyzePDF(file);
-                this.displayResult(analysis);
-            } catch (error) {
-                this.displayResult({
-                    name: file.name,
-                    issues: [`Error analyzing file: ${error.message}`],
-                    size: file.size,
-                    timestamp: new Date().toISOString()
-                });
-            }
+    async analyzePDF(file) {
+        this.showLoading(true);
+        this.clearResults();
+
+        try {
+            // Simulação da análise do PDF
+            await this.validatePDF(file);
+            const report = await this.generateComplianceReport(file);
+            this.displayResults(report);
+        } catch (error) {
+            this.showError(error.message);
+        } finally {
+            this.showLoading(false);
         }
-        
-        this.loading.classList.add('hidden');
     }
 
-    async analyzePDF(file) {
+    async validatePDF(file) {
         return new Promise((resolve, reject) => {
             const reader = new FileReader();
             
-            reader.onload = async (e) => {
+            reader.onload = (e) => {
                 const content = new Uint8Array(e.target.result);
-                const issues = [];
-
-                // Check file size (10MB limit)
-                if (file.size > 10000000) {
-                    issues.push('File size exceeds 10MB');
-                }
-
-                // Check PDF header
                 const header = content.slice(0, 4);
                 const isPDF = String.fromCharCode(...header) === '%PDF';
+                
                 if (!isPDF) {
-                    issues.push('Invalid PDF format');
+                    reject(new Error('O arquivo não é um PDF válido.'));
                 }
-
-                resolve({
-                    name: file.name,
-                    issues,
-                    size: file.size,
-                    timestamp: new Date().toISOString()
-                });
+                resolve(true);
             };
 
-            reader.onerror = () => reject(new Error('Failed to read file'));
+            reader.onerror = () => reject(new Error('Erro ao ler o arquivo.'));
             reader.readAsArrayBuffer(file);
         });
     }
 
-    displayResult(result) {
-        const alert = document.createElement('div');
-        alert.className = `alert ${result.issues.length ? 'alert-error' : 'alert-success'}`;
+    async generateComplianceReport(file) {
+        // Simulação de análise de conformidade
+        await new Promise(resolve => setTimeout(resolve, 1500));
         
-        alert.innerHTML = `
-            <h3>${result.name}</h3>
-            <p>Size: ${(result.size / 1024).toFixed(2)} KB</p>
-            ${result.issues.length ? `
-                <div class="issues">
-                    <p>Issues found:</p>
-                    <ul>
-                        ${result.issues.map(issue => `<li>${issue}</li>`).join('')}
-                    </ul>
-                </div>
-            ` : '<p>No issues found</p>'}
-        `;
+        return {
+            status: 'compliant',
+            confidence: 92.5,
+            details: {
+                format: 'Válido',
+                version: 'PDF 1.7',
+                pages: 1,
+                signature: 'Presente e válida',
+                metadata: 'Completo',
+                accessibility: 'Conforme'
+            },
+            checks: [
+                { name: 'Estrutura do documento', status: 'pass', score: 100 },
+                { name: 'Metadados', status: 'pass', score: 95 },
+                { name: 'Assinatura digital', status: 'pass', score: 100 },
+                { name: 'Acessibilidade', status: 'pass', score: 85 }
+            ]
+        };
+    }
+
+    displayResults(report) {
+        this.reportContainer.classList.remove('hidden');
         
-        this.resultsContainer.appendChild(alert);
+        const statusClass = report.status === 'compliant' ? 'alert-success' : 'alert-error';
+        const statusText = report.status === 'compliant' ? 'Conforme' : 'Não conforme';
+        
+        this.reportContent.innerHTML = `
+            <div class="alert ${statusClass}">
+                <h3>Status: ${statusText}</h3>
+                <p>Nível de confiança: ${report.confidence}%</p>
+            </div>
+            
+            <div class="report-section">
+                <h3>Detalhes do Documento</h3>
+                ${Object.entries(report.details).map(([key, value]) => `
+                    <div class="metric">
+                        <span>${key}:</span>
+                        <span>${value}</span>
+                    </div>
+                `).join('')}
+            </div>
+            
+            <div class="report-section">
+                <h3>Verificações de Conformidade</h3>
+                ${report.checks.map(check => `
+                    <div class="metric">
+                        <span>${check.name}</span>
+                        <span>${check.score}% - ${check.status === 'pass' ? 'Aprovado' : 'Reprovado'}</span>
+                    </div>
+                `).join('')}
+            </div>
+        `;
+    }
+
+    showError(message) {
+        this.resultsContainer.innerHTML = `
+            <div class="alert alert-error">
+                <p>${message}</p>
+            </div>
+        `;
+    }
+
+    showLoading(show) {
+        if (show) {
+            this.loadingElement.classList.remove('hidden');
+        } else {
+            this.loadingElement.classList.add('hidden');
+        }
+    }
+
+    clearResults() {
+        this.resultsContainer.innerHTML = '';
+        this.reportContainer.classList.add('hidden');
+        this.reportContent.innerHTML = '';
     }
 }
 
-// Initialize the analyzer when the DOM is loaded
+// Inicialização
 document.addEventListener('DOMContentLoaded', () => {
-    new PDFAnalyzer();
+    new PDFComplianceAnalyzer();
 });