# File Manifest - Document Signing System

Complete list of all files created for your document signing system.

---

## Core Configuration

**config.php** (Main Configuration)
- Database connection settings
- Security keys and encryption
- Email/SMTP configuration
- File paths and upload settings
- Helper functions for security (CSRF, hashing, logging, etc.)
- **ACTION REQUIRED:** Update with your database and email credentials

**database.sql** (Database Schema)
- Complete MySQL schema with 6 tables
- Users, Documents, Signatures, Templates, Email Log, Audit Log
- Indexes for performance optimization
- **ACTION REQUIRED:** Import into your MySQL database

---

## PHP Backend Classes

**Document.php** (Document Management)
- Create, retrieve, and manage documents
- Add signatures to documents
- Update document status
- Get document statistics
- Archive old documents
- Full database operations

**PDFGenerator.php** (PDF Creation)
- Generate professional PDFs from documents
- Add document headers with branding
- Embed signatures with images
- Create audit trail page
- Add legal disclaimers
- Requires: TCPDF library

**EmailHandler.php** (Email Management)
- Send signed documents to customers
- Notify admins of signatures
- Customizable email templates
- HTML email formatting with branding
- Email logging and audit trail
- Requires: PHPMailer library

---

## User-Facing Pages

**sign-document.php** (Main Document Signing Interface)
- Create new documents
- View document details
- Draw signatures on tablet/touch
- Preview documents before signing
- Track signature history
- Responsive design
- Includes: Signature Pad JavaScript library
- Status tabs: Preview, Sign, History

**admin-dashboard.php** (Admin Dashboard)
- Dashboard with statistics
- View recent documents
- Download signed PDFs
- Archive documents
- Quick action buttons
- Real-time document status
- Accessible only to logged-in users

**login.php** (User Login Page)
- Email/password authentication
- CSRF protection
- Session management
- Redirect on successful login
- Clean, responsive design

**register.php** (New User Registration)
- Create new garage admin account
- Username, email, password setup
- Garage name entry
- Input validation
- Prevents duplicate accounts
- Auto-login after registration

**logout.php** (Session Logout)
- Destroy user session
- Log logout action to audit trail
- Redirect to login page

---

## Documentation

**README.md** (Complete Documentation)
- System features overview
- Installation instructions
- Configuration guide
- Usage instructions
- API reference
- Database structure
- Troubleshooting guide
- Customization tips
- Security considerations
- GDPR compliance notes

**INSTALLATION_GUIDE.md** (Detailed Setup Guide)
- Step-by-step installation
- File structure overview
- Database setup with SQL commands
- Configuration walkthrough
- Email setup for different providers
- Testing procedures
- Comprehensive troubleshooting
- Security checklist

**QUICK_START.md** (5-Minute Quick Setup)
- Fast installation overview
- 5 essential setup steps
- Common issues and fixes
- Next steps after installation

**FILE_MANIFEST.md** (This File)
- Complete file listing
- Description of each file
- Setup requirements for each file

---

## Required External Libraries (Download Separately)

### TCPDF (PDF Generation Library)
- **What it does:** Generates professional PDF documents
- **Download:** https://tcpdf.org/
- **Extract to:** `/document-signing/TCPDF/`
- **Size:** ~5-10MB
- **Files needed:** Include folder, fonts folder

### PHPMailer (Email Library)
- **What it does:** Sends emails via SMTP
- **Download:** https://github.com/PHPMailer/PHPMailer
- **Extract to:** `/document-signing/PHPMailer/`
- **Size:** ~1MB
- **Files needed:** src folder, Exception.php

### Signature Pad (JavaScript Library)
- **What it does:** Captures tablet/touch signatures
- **Included:** CDN link in sign-document.php
- **Size:** ~50KB (loaded from CDN)
- **No download needed**

---

## Directory Structure to Create

You must create these directories on your server:

```
document-signing/
├── uploads/                    (create)
│   ├── pdfs/                  (create - stores generated PDFs)
│   ├── signatures/            (create - stores signature images)
│   └── templates/             (create - for future use)
```

**Permissions Required:**
```bash
chmod 755 uploads/
chmod 755 uploads/pdfs/
chmod 755 uploads/signatures/
chmod 755 uploads/templates/
```

---

## Setup Checklist

- [ ] **Upload core files:** config.php, sign-document.php, admin-dashboard.php, login.php, register.php, logout.php, Database.php, PDFGenerator.php, EmailHandler.php
- [ ] **Create directories:** uploads/, uploads/pdfs/, uploads/signatures/
- [ ] **Download libraries:** TCPDF and PHPMailer, extract to correct folders
- [ ] **Create database:** Import database.sql to MySQL
- [ ] **Configure:** Edit config.php with your database and email credentials
- [ ] **Test:** Access login page and verify connection
- [ ] **Register:** Create your first admin account
- [ ] **Test email:** Send test document to verify email setup
- [ ] **Remove test files:** Delete any test PHP files you created

---

## File Sizes

```
Core PHP Files:           ~120 KB total
- config.php:             8 KB
- sign-document.php:      25 KB
- admin-dashboard.php:    12 KB
- Document.php:           8 KB
- PDFGenerator.php:       14 KB
- EmailHandler.php:       18 KB
- login.php:              4 KB
- register.php:           5 KB
- logout.php:             1 KB

Documentation:            ~100 KB total
- README.md:              25 KB
- INSTALLATION_GUIDE.md:  60 KB
- QUICK_START.md:         8 KB

External Libraries:       ~15-20 MB (download separately)
- TCPDF:                  ~10 MB
- PHPMailer:              ~2 MB
```

---

## Database Tables Created

The database.sql file creates these 6 tables:

1. **users** - Admin/garage staff accounts
2. **documents** - Document records and metadata
3. **signatures** - Digital signatures with timestamps
4. **document_templates** - Reusable document templates
5. **email_log** - History of all sent emails
6. **audit_log** - Complete audit trail of all actions

---

## Security Features Included

- CSRF token protection on all forms
- Prepared SQL statements (SQL injection prevention)
- Password hashing with bcrypt
- Session timeout management
- IP address logging for audit trail
- Cryptographic hashing of document contents
- Signature verification and validation
- SSL/HTTPS support
- Secure file storage with permission checks

---

## Key Features Summary

✓ Create documents from templates
✓ Capture legally-binding digital signatures
✓ Support tablet/touch signature capture
✓ Generate professional PDFs with signatures
✓ Email signed documents to customers and admin
✓ Complete audit trail with timestamps
✓ IP address logging
✓ Admin dashboard with statistics
✓ Document archival system
✓ User authentication and role management
✓ Responsive design (works on desktop, tablet, mobile)
✓ Customizable branding per garage

---

## Next Steps After Installation

1. **Customize Branding**
   - Update garage name in user settings
   - Edit email templates in EmailHandler.php
   - Add garage logo

2. **Create Document Templates**
   - Standard warranty templates
   - Service agreement templates
   - Finance agreement templates
   - Custom contracts

3. **Train Staff**
   - Show how to create documents
   - Demo signature capture
   - Explain document workflow
   - Review email notifications

4. **Setup Backups**
   - Configure daily database backups
   - Backup uploads directory
   - Store backups securely

5. **Monitor Usage**
   - Review audit log regularly
   - Check email delivery
   - Monitor disk space
   - Track signed documents

---

## Support Resources

- **README.md** - General information and features
- **INSTALLATION_GUIDE.md** - Detailed setup and troubleshooting
- **QUICK_START.md** - Quick reference guide
- **code comments** - In-code documentation

---

**Version:** 1.0  
**Created:** 2026-05-28  
**Compatible with:** PHP 7.4+, MySQL 5.7+

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For assistance, refer to the comprehensive guides above or contact your hosting provider for server-level issues.
