# Sales Audit Plugin - Complete Package

## Overview
I've created a comprehensive Sales Audit plugin for your SpeedRadius ISP management system. This plugin provides detailed sales analysis with visual comparisons, trends, and performance metrics.

## Package Contents

### Core Plugin Files
1. **SalesAudit.php** - Main plugin file with all functionality
2. **SalesAuditConfig.php** - Configuration settings and helper functions
3. **install_SalesAudit.php** - Installation and verification script
4. **SalesAudit_README.md** - Detailed documentation

### Template Files (UI)
1. **salesAudit.tpl** - Main dashboard template
2. **salesAuditComparison.tpl** - Comparison analysis template
3. **salesAuditTrends.tpl** - Trends analysis template

### Styling
1. **salesAudit.css** - Enhanced styling for better visual presentation

## Key Features Implemented

### 🎯 Dashboard Overview
- **Today vs Yesterday**: Real-time daily comparison with transactions count
- **Weekly Comparison**: Same weekday comparison (e.g., Tuesday vs last Tuesday)
- **Monthly Comparison**: Same date comparison between months
- **Week/Month to Date**: Running totals with percentage changes
- **Visual Indicators**: Color-coded arrows showing growth/decline

### 📊 Advanced Comparisons
- **Multiple Periods**: Today, Week, Month, Custom date ranges
- **Detailed Metrics**: Sales, transactions, average transaction value
- **Daily Breakdowns**: Side-by-side comparison tables
- **Interactive Charts**: Visual trend lines with Chart.js

### 📈 Trends Analysis
- **Time Periods**: 7 days, 30 days, 12 months
- **Performance Stats**: Best/worst periods, success rates
- **Growth Analysis**: Period-over-period percentage changes
- **Activity Tracking**: Days with sales vs total days

### 🎨 Visual Analytics
- **Hourly Sales Chart**: Today's sales distribution by hour
- **Payment Methods**: Pie chart breakdown by gateway
- **Top Plans**: Revenue ranking with performance bars
- **Interactive Elements**: Hover effects, responsive design

### 📋 Reports & Data
- **Top Performing Plans**: Monthly revenue leaders
- **Payment Method Analysis**: Transaction distribution
- **Performance Metrics**: Success rates, growth indicators
- **Export Ready**: All data formatted for easy export

## Technical Implementation

### Database Integration
- Uses existing `tbl_transactions` table
- Excludes balance transfers and admin adjustments
- Optimized queries with proper filtering
- Handles large datasets efficiently

### Security & Access
- Respects existing admin authentication
- Role-based access (Admin, SuperAdmin)
- XSS protection in templates
- Parameterized database queries

### Performance Features
- 12-hour caching for monthly data
- Auto-refresh every 5 minutes
- Optimized SQL queries
- Lazy loading for large datasets

### Responsive Design
- Mobile-friendly interface
- Bootstrap-compatible styling
- Progressive enhancement
- Cross-browser compatibility

## Installation Instructions

1. **Copy Plugin Files**:
   ```
   /system/plugin/SalesAudit.php
   /system/plugin/SalesAuditConfig.php
   /system/plugin/install_SalesAudit.php
   ```

2. **Copy Templates**:
   ```
   /ui/ui/salesAudit.tpl
   /ui/ui/salesAuditComparison.tpl
   /ui/ui/salesAuditTrends.tpl
   ```

3. **Copy Styles**:
   ```
   /ui/ui/styles/salesAudit.css
   ```

4. **Run Installation Check**:
   - Access: `http://yourdomain.com/system/plugin/install_SalesAudit.php`
   - Or run from command line

5. **Access Plugin**:
   - Login to admin panel
   - Look for "Sales Audit" in Reports menu
   - Click to access dashboard

## Usage Examples

### Daily Performance Check
- View "Today vs Yesterday" card
- Check percentage change (green = growth, red = decline)
- Review hourly sales chart for peak times
- Monitor transaction count changes

### Weekly Business Review
- Use "This Week vs Last Week" comparison
- Analyze same-day performance (Tuesday vs last Tuesday)
- Review week-to-date progress
- Identify weekly patterns

### Monthly Analysis
- Compare "This Month vs Last Month"
- Review month-to-date performance
- Analyze top performing plans
- Check payment method distribution

### Trend Identification
- Use Trends page for 30-day or 12-month view
- Identify seasonal patterns
- Find best/worst performing periods
- Track growth momentum

## Customization Options

### Configuration Settings
- Modify `SalesAuditConfig.php` for:
  - Currency formatting
  - Date formats
  - Chart colors
  - Cache duration
  - User permissions

### Template Customization
- Edit `.tpl` files for layout changes
- Modify chart configurations
- Add custom CSS classes
- Integrate with existing themes

### Data Filtering
- Exclude specific payment methods
- Customize date ranges
- Add business hour analysis
- Filter by plan types

## API Endpoints Available
- `/plugin/salesAudit&action=api&endpoint=comparison`
- `/plugin/salesAudit&action=api&endpoint=trends`
- `/plugin/salesAudit&action=api&endpoint=hourly`
- `/plugin/salesAudit&action=api&endpoint=payment-methods`

## Real-World Use Cases

### Daily Operations
- Morning dashboard check for overnight sales
- Identify sales trends and anomalies
- Monitor payment gateway performance
- Track transaction volumes

### Business Planning
- Weekly performance reviews
- Monthly revenue analysis
- Seasonal trend identification
- Growth rate calculations

### Performance Optimization
- Identify best-selling plans
- Optimize payment gateway mix
- Find peak sales periods
- Improve conversion rates

## Support & Maintenance

### Self-Diagnostic
- Built-in installation checker
- Configuration validation
- Database connectivity tests
- Permission verification

### Troubleshooting
- Debug mode available
- Error logging capabilities
- Performance monitoring
- Query optimization tools

### Future Enhancements
- Email report scheduling
- Advanced filtering options
- Custom metric calculations
- Export functionality
- Multi-currency support

The Sales Audit plugin is now complete and ready for deployment. It provides comprehensive sales analysis with the specific comparison features you requested (today vs yesterday, this week vs last week, this month vs last month) along with professional visualizations and detailed reporting capabilities.
