# Symlink Virtual Environment Fix

## Issue Description

The `autoblog` command was failing with the error:
```
❌ Virtual environment not found: /usr/local/bin/auto_blogger_venv_cd6c466a
💡 Please run the installer again or use: python3 fix_installation_issues.py
```

## Root Cause

The issue occurred because:

1. **Outdated System Symlink**: A system-wide symlink existed at `/usr/local/bin/autoblog` pointing to an old path `/Users/username/AUTO-blogger/autoblog` instead of the current path `/Users/username/Desktop/AUTO-blogger/autoblog`.

2. **Symlink Resolution Issue**: The original script used `${BASH_SOURCE[0]}` to determine the script directory, but when executed via symlink, this resolved to `/usr/local/bin/` instead of the actual script location.

## Solution Applied

### 1. Updated System Symlink
```bash
# Removed old symlink
sudo rm /usr/local/bin/autoblog

# Created new symlink pointing to correct location
sudo ln -s /Users/username/Desktop/AUTO-blogger/autoblog /usr/local/bin/autoblog
```

### 2. Enhanced Script Directory Resolution

Modified the `autoblog` script to properly handle symlinks:

```bash
# Before (problematic)
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# After (fixed)
# Resolve symlinks to get the actual script directory
if [ -L "${BASH_SOURCE[0]}" ]; then
    SCRIPT_DIR="$(cd "$(dirname "$(readlink "${BASH_SOURCE[0]}")")" && pwd)"
else
    SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
fi
```

## How the Fix Works

1. **Symlink Detection**: The script checks if `${BASH_SOURCE[0]}` is a symbolic link using `[ -L "${BASH_SOURCE[0]}" ]`
2. **Path Resolution**: If it's a symlink, it uses `readlink` to get the actual target path
3. **Directory Calculation**: It then calculates the directory of the actual script file, not the symlink
4. **Virtual Environment Discovery**: With the correct directory, it can find the virtual environment in the same location

## Verification

Both execution methods now work correctly:

### System-wide Command
```bash
$ autoblog
🔧 Using virtual environment: auto_blogger_venv_2344a2a5
🔍 Checking for updates...
✅ Application is up to date!
🚀 Launching AUTO-blogger...
```

### Local Script
```bash
$ ./autoblog
🔧 Using virtual environment: auto_blogger_venv_2344a2a5
🔍 Checking for updates...
✅ Application is up to date!
🚀 Launching AUTO-blogger...
```

## Prevention

To prevent this issue in the future:

1. **Always Update Symlinks**: When moving the project directory, update any system symlinks
2. **Use Absolute Paths**: The installer should create symlinks with absolute paths
3. **Test Both Methods**: Always test both `autoblog` and `./autoblog` after installation

## Technical Details

### Symlink Information
```bash
$ ls -la /usr/local/bin/autoblog
lrwxr-xr-x@ 1 root wheel 44 Jun 30 22:33 /usr/local/bin/autoblog -> /Users/username/Desktop/AUTO-blogger/autoblog
```

### Script Location Resolution
- **Symlink Path**: `/usr/local/bin/autoblog`
- **Target Path**: `/Users/username/Desktop/AUTO-blogger/autoblog`
- **Script Directory**: `/Users/username/Desktop/AUTO-blogger/`
- **Virtual Environment**: `/Users/username/Desktop/AUTO-blogger/auto_blogger_venv_2344a2a5/`

## Benefits of the Fix

1. **Robust Symlink Handling**: Works correctly whether executed directly or via symlink
2. **Backward Compatibility**: Still works when executed directly without symlinks
3. **Future-Proof**: Will handle any future directory moves or symlink updates
4. **Clear Error Messages**: Maintains helpful error messages if virtual environment is missing

The fix ensures that the `autoblog` command works reliably from anywhere in the system while correctly locating the virtual environment and project files.