# 📊 Reports & Analytics - Feature Documentation

## Overview
A comprehensive reporting and analytics system for the RESQ-link Pre-Hospital Care System with interactive charts, detailed statistics, and export capabilities.

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## 🎯 Key Features

### 1. **Advanced Filtering System**
- **Date Range Selection**: Filter reports by custom date ranges (From/To dates)
- **Status Filter**: View all forms or filter by Completed, Draft, or Pending
- **User Filter** (Admin Only): View reports for specific users or all users
- **Real-time Updates**: Filters apply immediately to all charts and statistics

### 2. **Summary Statistics Dashboard**
Six key performance indicators displayed as interactive cards:

1. **Total Forms** - Overall count of all forms in the selected period
2. **Completed Forms** - Forms with completed status + completion rate progress bar
3. **Today's Forms** - Forms created today
4. **This Week** - Forms created in the current week
5. **Pending Forms** - Forms awaiting completion
6. **Draft Forms** - Forms saved as drafts

Each card features:
- Gradient icon backgrounds
- Hover animations
- Color-coded indicators
- Left border accent colors

### 3. **Interactive Charts & Visualizations**

#### **Line Chart - Forms Trend Over Time**
- Shows daily form creation trends
- Smooth curved line with fill
- Interactive tooltips showing exact counts
- Responsive to date range filters
- Perfect for identifying patterns and peak periods

#### **Doughnut Chart - Forms by Status**
- Visual breakdown of form statuses
- Percentage calculations in tooltips
- Color-coded segments (Green: Completed, Red: Draft, Yellow: Pending)
- Shows completion rates at a glance

#### **Bar Chart - Emergency Types**
- Distribution across 4 emergency categories:
  - Medical (Blue)
  - Trauma (Red)
  - Obstetric (Purple)
  - General (Green)
- Horizontal bars for easy comparison
- Shows which emergency types are most common

#### **Pie Chart - Vehicle Usage**
- Breakdown of ambulance, fire truck, and other vehicle usage
- Multi-colored segments
- Helps track fleet utilization

#### **Doughnut Chart - Patient Gender Distribution**
- Male vs Female vs Other patient breakdown
- Color-coded (Blue: Male, Pink: Female, Gray: Other)
- Demographic insights

#### **Bar Chart - Patient Age Distribution**
- Age groups: 0-17, 18-30, 31-50, 51-70, 71+
- Identifies primary patient demographics
- Useful for resource planning

#### **Horizontal Bar Chart - Injury Types**
- Top injury types ranked by frequency:
  - Laceration
  - Fracture
  - Burn
  - Contusion
  - Abrasion
  - Other
- Color-coded for each injury type
- Shows most common injuries encountered

### 4. **Data Tables**

#### **Top 10 Receiving Hospitals**
- Ranked list of hospitals by form count
- Columns:
  - Rank (with trophy icons for top 3)
  - Hospital Name
  - Total Forms
  - Percentage of total
  - Visual progress bar
- Identifies primary referral patterns

#### **User Performance Table** (Admin Only)
- Ranked list of all users
- Metrics:
  - Total forms created
  - Completed forms
  - Completion rate percentage
  - Performance bar
- Trophy badges for top 3 performers
- Color-coded completion rates:
  - Green: ≥80%
  - Yellow: 50-79%
  - Red: <50%
- Useful for team management and performance reviews

### 5. **Export Capabilities**

#### **Print Report**
- Optimized print layout
- Filters hidden in print view
- Charts and tables preserved
- Professional formatting

#### **Export to CSV**
- Downloads comprehensive data file
- Includes all filtered records with:
  - Form details
  - Patient information
  - Vital signs
  - Hospital information
  - Emergency type
  - Creator details
  - Injury counts
- Summary statistics appended at bottom
- UTF-8 encoded for international character support
- Excel-compatible format
- Filename includes timestamp

#### **Export to PDF** (Coming Soon)
- Placeholder for future PDF export functionality

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## 🎨 Design Features

### **Consistent with Existing Pages**
- Matches dashboard.php and records.php design patterns
- Uses same color scheme:
  - Primary Blue: `#0d6efd`
  - Success Green: `#198754`
  - Warning Yellow: `#ffc107`
  - Danger Red: `#dc3545`
  - Info Cyan: `#0dcaf0`
  - Purple: `#6f42c1`
  - Orange: `#fd7e14`

### **Responsive Design**
- Desktop: Full layout with all charts visible
- Tablet: Adjusted grid layouts
- Mobile: Stacked layout with optimized chart heights
- All charts use responsive sizing

### **Modern UI Elements**
- Gradient backgrounds for headers
- Card-based layout with soft shadows
- Smooth hover transitions
- Professional typography (Segoe UI font family)
- Material Icons integration

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## 📱 Responsive Breakpoints

| Screen Size | Layout Changes |
|-------------|----------------|
| Desktop (>768px) | Full 2-3 column grid layout |
| Tablet (768px) | 1-2 column layout |
| Mobile (<768px) | Single column stacked layout |

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## 🔒 Security Features

1. **Authentication Required**: All users must be logged in
2. **Role-Based Access**:
   - Regular users: See only their own data
   - Admin users: See all data with user filter option
3. **Input Sanitization**: All filter inputs are sanitized
4. **Prepared Statements**: SQL injection prevention
5. **Activity Logging**: All report exports are logged

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## 📊 Chart Library

**Chart.js v4.4.0**
- Modern, responsive chart library
- Smooth animations
- Interactive tooltips
- Mobile-friendly
- Professional appearance

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## 🚀 Usage Instructions

### **For Regular Users:**
1. Navigate to **Reports** in the sidebar
2. Select date range and status filter
3. Click "Apply Filters"
4. View charts and statistics
5. Export data as needed

### **For Administrators:**
1. Access Reports with full data visibility
2. Use User filter to view individual or team performance
3. Review User Performance table for team insights
4. Export comprehensive reports
5. Use data for decision-making and planning

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## 📈 Analytics Provided

### **Operational Metrics**
- Form completion rates
- Daily/weekly trends
- Status distribution
- Vehicle utilization

### **Patient Demographics**
- Age distribution
- Gender breakdown
- Injury type analysis

### **Quality Indicators**
- Emergency type distribution
- Hospital referral patterns
- Staff performance metrics
- Data completeness

### **Resource Planning**
- Peak incident times
- Vehicle usage patterns
- Hospital capacity utilization
- Staff workload distribution

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## 🔄 Real-Time Features

- Filters update all charts simultaneously
- Data refreshes on filter application
- No page reload required for filter changes
- Instant visual feedback

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## 📋 Future Enhancements (Recommended)

1. **PDF Export** - Professional PDF reports with charts
2. **Email Reports** - Scheduled email delivery
3. **Advanced Filters**:
   - Filter by emergency type
   - Filter by vehicle type
   - Filter by hospital
   - Filter by age group
4. **Time Comparison** - Compare periods (e.g., this month vs last month)
5. **Custom Dashboard** - User-configurable widgets
6. **Real-time Updates** - Auto-refresh with new data
7. **Drill-Down** - Click charts to see detailed records
8. **Benchmarking** - Compare against historical averages
9. **Predictive Analytics** - Forecast future trends
10. **Geographic Maps** - Incident location heat maps

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## 🎯 Business Value

### **Decision Making**
- Data-driven insights for management
- Identify trends and patterns
- Resource allocation optimization

### **Performance Monitoring**
- Track individual and team performance
- Identify training needs
- Recognize top performers

### **Quality Improvement**
- Monitor service quality metrics
- Identify areas for improvement
- Track progress over time

### **Compliance & Reporting**
- Generate reports for regulatory bodies
- Maintain audit trails
- Document performance metrics

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## 📍 Navigation

The Reports page is accessible from the sidebar:
- **Location**: After "All Records"
- **Icon**: Assessment/Bar Chart icon
- **Visibility**: All authenticated users
- **URL**: `/public/reports.php`

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## 💡 Tips for Best Use

1. **Regular Review**: Check reports weekly to spot trends early
2. **Compare Periods**: Use different date ranges to compare performance
3. **Export Data**: Download CSV for deeper analysis in Excel
4. **Print Reports**: Use print function for meetings and presentations
5. **Team Reviews**: Use User Performance table for team meetings (Admin)
6. **Filter Strategically**: Narrow down data to specific areas of interest

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## 🛠️ Technical Details

### **Files Created**
1. `/public/reports.php` - Main reports page (1,185 lines)
2. `/api/export_reports.php` - CSV export endpoint
3. `/includes/sidebar.php` - Updated with Reports link

### **Database Tables Used**
- `prehospital_forms` - Main form data
- `injuries` - Injury tracking
- `users` - User information
- `activity_logs` - Audit trail (for export logging)

### **External Libraries**
- Chart.js 4.4.0 (CDN)
- Bootstrap 5.3.0 (already in use)
- Bootstrap Icons (already in use)
- Font Awesome 6.4.0 (already in use)

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## ✅ Testing Checklist

- [ ] Test all filters independently
- [ ] Test combined filters
- [ ] Verify charts render correctly
- [ ] Test CSV export with different filters
- [ ] Test print functionality
- [ ] Verify admin-only features hidden for regular users
- [ ] Test on mobile devices
- [ ] Verify responsive layout
- [ ] Check data accuracy in charts
- [ ] Test with empty data sets

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## 📞 Support

For questions or issues:
1. Check that you're logged in
2. Verify your user role permissions
3. Ensure data exists in your date range
4. Clear browser cache if charts don't load
5. Check browser console for JavaScript errors

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**Version**: 1.0
**Created**: 2026-01-08
**Status**: Production Ready
**Compatibility**: All modern browsers (Chrome, Firefox, Safari, Edge)
