# MiracleBoot GUI Fix Report
**Date**: January 8, 2026  
**Issue**: GUI not launching - immediately jumping to MS-DOS mode  
**Status**: ✅ FIXED

---

## Problem Summary

The MiracleBoot application was immediately skipping the GUI interface and falling through to MS-DOS (TUI) mode, even on FullOS systems with WPF available. Users couldn't see the graphical interface at all.

### Root Causes Identified

1. **WinRepairGUI.ps1 Was Empty/Incomplete**
   - File only contained XAML skeleton with no actual PowerShell code
   - `Start-GUI` function was not defined
   - When main script tried to call `Start-GUI`, it failed silently and fell back to TUI

2. **Insufficient Logging**
   - No detailed logging of why GUI was being skipped
   - Impossible to trace the fallback decision chain
   - Users couldn't diagnose the issue themselves

3. **Missing Prerequisites Validation**
   - No upfront check for WPF availability before attempting to load GUI
   - No validation of environment type before GUI launch attempt
   - No detailed error messages explaining skip reasons

---

## Solution Implemented

### 1. ✅ Rebuilt WinRepairGUI.ps1 Completely

**Created a fully functional GUI module with:**

#### GUI Logging Functions
- `Log-GUIEvent()` - Logs GUI-specific events
- `Log-GUISkip()` - Logs reasons for GUI skipping with fallback information

#### GUI Validation
- `Test-GUIPrerequisites()` - Comprehensive prerequisite validation including:
  - Administrator privileges check
  - FullOS environment verification
  - WPF assembly availability
  - WinForms assembly availability
  - Detailed logging of each check

#### Main GUI Window (Start-GUI Function)
- Complete XAML-based user interface with tabs:
  - **Quick Actions**: Repair Windows, Run SFC, Check Disk, Repair-Install Check
  - **Advanced Tools**: List Volumes, Scan Drivers, View BCD, Inject Drivers
  - **Information**: System info display, diagnostic log viewer
- Professional UI with proper colors and styling
- Status bar with real-time feedback
- Integrated logging of all user actions
- Error handling with detailed logging

#### Event Handlers
- Exit button with logging
- Switch to TUI mode with logging (allows fallback)
- Log file viewer integration
- Repair action buttons with operation logging

---

### 2. ✅ Enhanced MiracleBoot.ps1 Main Script

**Improvements to GUI startup flow:**

```powershell
# BEFORE (Failed silently):
if (Get-Command Start-GUI -ErrorAction SilentlyContinue) {
    Start-GUI
    exit 0
}

# AFTER (Detailed logging and validation):
if (-not (Test-Path -LiteralPath $guiModule)) {
    throw "WinRepairGUI.ps1 not found at $guiModule"
}

Write-ToLog "GUI module file exists and is readable" "DEBUG"
. $guiModule

if (-not (Get-Command Start-GUI -ErrorAction SilentlyContinue)) {
    throw "Start-GUI function not found in WinRepairGUI.ps1"
}

# Initialize fallback flag
$global:GUIFallbackToTUI = $false

# Launch GUI with proper error handling
Start-GUI

# Check if user switched to TUI
if ($global:GUIFallbackToTUI) {
    Write-ToLog "User initiated fallback from GUI to TUI mode" "INFO"
    # Continue to TUI...
}
```

**Key additions:**
- Explicit file existence checks with detailed error messages
- Function existence validation before calling
- GUI fallback flag to track user-initiated switches
- Comprehensive logging at each step

---

### 3. ✅ Added Comprehensive Logging to WinRepairTUI.ps1

**TUI Mode now logs:**
- When TUI mode starts (environment type logged)
- Each menu selection (DEBUG level)
- When user quits the application
- Session end markers

**Example log entries:**
```
[14:23:45] [INFO] ═════════════════════════════════════════════════════════════
[14:23:45] [INFO] TUI Mode Starting - User Interface: MS-DOS STYLE
[14:23:45] [INFO] ═════════════════════════════════════════════════════════════
[14:23:45] [INFO] Environment: FullOS
[14:23:47] [DEBUG] TUI Menu selection: [1]
[14:28:12] [INFO] TUI Mode: User pressed Q to quit
[14:28:12] [INFO] ═════════════════════════════════════════════════════════════
```

---

## GUI Flow After Fix

```
┌─ MiracleBoot.ps1 ──────────────────────┐
│                                         │
│ [STARTUP]                              │
│ • Initialize logging system             │
│ • Detect environment                    │
│ • Verify admin privileges               │
│ • Run preflight checks                  │
│                                         │
│ [INTERFACE SELECTION]                  │
│ If FullOS:                              │
│   ├─ Load WinRepairGUI.ps1              │
│   ├─ Validate prerequisites             │  ← NEW: Detailed validation
│   ├─ Create and show GUI window         │
│   │                                     │
│   ├─ [IF GUI SUCCESS]                  │
│   │  └─ User interacts with GUI        │
│   │     • User clicks Exit              │
│   │     • OR User switches to TUI       │
│   │        └─ Set fallback flag         │  ← NEW: Proper fallback
│   │                                     │
│   ├─ [IF GUI ERROR]                    │
│   │  └─ Log error with details          │  ← NEW: Detailed logging
│   │  └─ Set fallback flag               │
│   │  └─ Continue to TUI                 │
│   │                                     │
│   └─ Fallback to TUI                   │
│                                         │
│ If WinPE/WinRE:                         │
│   └─ Skip GUI, go straight to TUI       │  ← NEW: Logged
│                                         │
│ [TUI MODE]                              │
│ • Log TUI startup with environment      │  ← NEW: Logged
│ • Show MS-DOS style menu                │
│ • Log each menu selection               │  ← NEW: Logged
│ • Log user quit action                  │  ← NEW: Logged
│                                         │
│ [EXIT]                                  │
│ • Log exit with summary                 │
│ • Close log file                        │
│                                         │
└─────────────────────────────────────────┘
```

---

## Logging Improvements

### Log File Location
- **Path**: `LOGS_MIRACLEBOOT/MiracleBoot_YYYYMMDD_HHMMSS.log`
- **Fallback**: `%TEMP%/LOGS_MIRACLEBOOT/` if script directory not writable

### Log Levels with Colors
| Level | Color | Use Case |
|-------|-------|----------|
| INFO | White | General information, flow events |
| SUCCESS | Green | Operations completed successfully |
| WARNING | Yellow | Warnings, fallbacks, non-critical issues |
| ERROR | Red | Errors that don't stop execution |
| DEBUG | Gray | Detailed diagnostic information |

### Log Entry Format
```
[HH:MM:SS] [LEVEL] Message
[14:23:45] [INFO] MiracleBoot v7.2.0 - Session Started
[14:23:45] [DEBUG] PowerShell: 5.1.19041.1645
[14:23:45] [SUCCESS] Logging system initialized successfully
[14:23:46] [WARNING] WPF unavailable, using TUI mode
[14:23:46] [ERROR] GUI launch failed, falling back to TUI
```

---

## What Gets Logged Now

### GUI Skip Reasons (NEW)
When GUI doesn't launch, logs show exactly why:
- ✓ Missing admin privileges
- ✓ Wrong environment (WinPE/WinRE instead of FullOS)
- ✓ WPF assembly not available
- ✓ WinForms assembly not available
- ✓ Missing or unreadable GUI module file
- ✓ Missing Start-GUI function

### GUI Operation Logging (NEW)
- ✓ GUI prerequisites validation results
- ✓ XAML window creation
- ✓ Event handler attachment
- ✓ User actions (buttons clicked, menu selections)
- ✓ Diagnostic operations performed
- ✓ Error details with context

### TUI Operation Logging (ENHANCED)
- ✓ TUI startup with environment type
- ✓ Menu selections with option number
- ✓ Operation results and errors
- ✓ User exit/quit action
- ✓ Session end marker

### All Errors and Warnings (COMPREHENSIVE)
- ✓ File not found errors with full paths
- ✓ Assembly loading failures with details
- ✓ Exception types and messages
- ✓ Fallback decisions with reasons
- ✓ Environment mismatches

---

## Testing the Fix

### Test Case 1: GUI Should Launch on FullOS
```powershell
# Run MiracleBoot in Full OS with GUI available
PS> .\MiracleBoot.ps1

# Expected: GUI window appears
# Check log: [SUCCESS] All GUI prerequisites met - ready to launch
```

### Test Case 2: TUI Fallback (Manual Switch)
```
# In GUI window, click "Switch to Text Mode (MS-DOS)"

# Expected: GUI closes, MS-DOS mode menu appears
# Check log: [INFO] User initiated fallback from GUI to TUI mode
```

### Test Case 3: TUI Fallback (WPF Unavailable)
```powershell
# Remove WPF or run on system without WPF

# Expected: Skips GUI, goes straight to TUI
# Check log: [WARNING] GUI SKIP: WPF... and fallback to TUI
```

### Test Case 4: Environment Detection
```
# Run from WinPE/WinRE (X: drive)

# Expected: Skips GUI, uses TUI
# Check log: [WARNING] Non-FullOS environment ($envType), skipping GUI
```

---

## Log File Analysis

### How to Check Logs
```powershell
# Find latest log file
$logFile = Get-ChildItem C:\Users\$env:USERNAME\Downloads\MiracleBoot_*\LOGS_MIRACLEBOOT -Filter "*.log" | 
           Sort-Object LastWriteTime -Descending | 
           Select-Object -First 1

# View in Notepad
notepad $logFile.FullName

# Or search for specific events
Select-String "GUI|skip|error|warning" $logFile.FullName
```

### Interpreting Log Entries

**Success Flow:**
```
[14:23:45] [SUCCESS] Logging system initialized successfully
[14:23:46] [INFO] FullOS detected - attempting GUI mode...
[14:23:46] [SUCCESS] ✓ All GUI prerequisites met - ready to launch
[14:23:46] [INFO] ✓ Launching GUI...
[14:23:47] [INFO] GUI window closed normally
```

**Failure → Fallback Flow:**
```
[14:23:46] [WARNING] GUI SKIP: WPF assemblies not available
[14:23:46] [WARNING] Reason Detail: Assembly not found
[14:23:46] [WARNING] Fallback: Switching to TUI mode
[14:23:46] [INFO] Loading TUI module...
[14:23:47] [INFO] ✓ Launching TUI...
```

**Error Diagnosis:**
```
[14:23:46] [ERROR] GUI launch failed, falling back to TUI mode
[14:23:46] [ERROR]   Exception: Start-GUI function not found
[14:23:46] [ERROR]   Category: ParentContainsErrorRecordException
[14:23:46] [ERROR] GUI fallback reason: ...details...
```

---

## Summary of Changes

| Component | Change | Impact |
|-----------|--------|--------|
| WinRepairGUI.ps1 | Rebuilt from scratch | GUI now fully functional and available |
| MiracleBoot.ps1 | Enhanced GUI startup logic | Better error handling and logging |
| WinRepairTUI.ps1 | Added session logging | TUI operations traceable |
| Overall | Comprehensive logging | Root causes now visible in logs |

---

## Files Modified

1. **WinRepairGUI.ps1** - Complete rewrite
   - Added: 400+ lines of new GUI code
   - Added: Logging integration throughout
   - Added: Prerequisites validation
   - Added: Full XAML UI definition

2. **MiracleBoot.ps1** - Enhanced GUI launch section
   - Added: Explicit file validation
   - Added: Function existence check
   - Added: GUI fallback flag
   - Added: Detailed error logging

3. **WinRepairTUI.ps1** - Added logging
   - Added: TUI startup logging
   - Added: Menu selection logging
   - Added: User action logging
   - Added: Session end logging

---

## Expected Behavior After Fix

✅ **On FullOS with GUI available:**
- GUI window opens automatically
- Shows professional interface with tabs and buttons
- All operations logged
- User can interact with recovery tools through GUI
- User can manually fall back to TUI if needed

✅ **On FullOS without GUI frameworks:**
- Detailed warning logged explaining why
- Automatically falls back to TUI
- User informed of fallback reason

✅ **On WinPE/WinRE:**
- Environment detected correctly
- Skips GUI automatically (not available in PE)
- Goes directly to TUI with logged reason
- User never confused about what's happening

✅ **Log File:**
- Complete session history available
- All GUI skips explained
- All errors documented with context
- Can trace exact point of failure if issues occur

---

## Troubleshooting Guide

### "GUI doesn't launch"
1. Check log file: `$global:LogPath` from MiracleBoot session
2. Look for "GUI SKIP" entries
3. Check listed reason (admin, environment, WPF, etc.)
4. If WPF issue: verify Windows version supports it
5. If environment issue: verify running on FullOS

### "TUI appears instead of GUI"
1. This is normal fallback behavior
2. Check log for "GUI SKIP" or "GUI launch failed"
3. Look for specific reason in WARNING entries
4. Compare against checklist above

### "Log file location?"
1. Check banner when script starts - shows log path
2. Usually in: `LOGS_MIRACLEBOOT/MiracleBoot_YYYYMMDD_HHMMSS.log`
3. Or check `$global:LogPath` variable in script

### "Need to force GUI testing?"
1. Set breakpoint before GUI launch
2. Manually call `Start-GUI` from PowerShell prompt
3. Check logs for detailed error messages
4. Validate prerequisites with `Test-GUIPrerequisites`

---

## Version Information

- **MiracleBoot Version**: 7.2.0 (Hardened)
- **GUI Module Version**: New (Fix Date: January 8, 2026)
- **Logging System**: Enhanced
- **Target Environment**: Windows 10/11 FullOS, WinPE, WinRE
- **PowerShell Minimum**: 2.0+ (compatible with WinPE)

---

**Status**: ✅ COMPLETE - GUI is now fully functional with comprehensive logging
