geutebruck/geutebruck-api/IMPLEMENTATION_PROGRESS.md

# Implementation Progress Summary

## ✅ Completed

### 1. Research & Discovery
- ✅ Extracted 2403 HTML files from SDK CHM documentation
- ✅ Analyzed SDK architecture and identified correct approach
- ✅ Found that action mappings are stored as Alarms with associated Actions
- ✅ Identified database query functions: `GeViDBQ_CreateActionQuery`, `GeViDBQ_GetFirst`, `GeViDBQ_GetNext`
- ✅ Identified answer types: `GeViDBA_ActionEntry` with `GeViActionData._ActionData`

### 2. Code Implementation
- ✅ Created `AlarmQueryService.cs` - Service for querying alarms and actions via SDK
- ✅ Updated `ActionMappingHandler.cs` - Modified to use AlarmQueryService instead of in-memory storage
- ✅ Documented complete solution approach in `FINAL_SOLUTION.md`

### 3. Key Findings
**Action Mapping Structure**:
- Alarms = Containers for action mappings
- Actions = Stored separately, linked to alarms via `AlarmReference`
- `AlarmRelation`:
  - `1` = Start/Input action (trigger)
  - `2` = Follow/Output action (response)
- `ActionData._ActionData` = Actual command string (e.g., "VMD_Start(101038)")

## ⏸️ Current Blocker

### Callback Registration Issue
The SDK callback mechanism works differently than initially expected:

**Errors encountered**:
1. `GeViDatabase` doesn't have `OnNewGeViSA_FirstAlarm` event
2. `GeViSQ_GetNextAlarm` requires parameters (not found in docs)
3. `GeViDBQ_GetNext/GetFirst` require handle parameters
4. `OnNewGeViDBA_ActionEntry` event doesn't exist

**Root cause**: Need to understand the actual SDK callback/dispatcher system.

### Files with compilation errors:
- `SDK/AlarmQueryService.cs` - Lines 103-104, 124-125, 250, 273 (event registration)
- Lines 151, 188 (GeViSQ_GetNextAlarm parameters)
- Lines 234, 259 (GeViDBQ query handles)

## 🔄 Next Steps

### 1. Fix Callback Registration
Need to investigate:
- Check `C:\GEVISOFT\Examples\` for callback registration examples
- Examine `GeViDatabase.RegisterCallback()` implementation
- Look for event dispatcher or message handler pattern
- Possible that answers come through a different mechanism (e.g., message queue)

### 2. Alternative Approach: Action Dispatcher
The SDK may use an Action Dispatcher pattern instead of direct events:
```csharp
// Possible approach:
var dispatcher = new GeViActionDispatcher();
dispatcher.RegisterHandler<GeViDBA_ActionEntry>(HandleActionEntry);
_database.SetDispatcher(dispatcher);
```

### 3. Fix Query Handle Management
Database queries likely return handles that must be tracked:
```csharp
// Create query and get handle
var query = new GeViDBQ_CreateActionQuery(alarmPK);
long queryHandle = await _database.SendQueryAsync(query);

// Use handle to navigate results
var getFirst = new GeViDBQ_GetFirst(queryHandle);
await _database.SendMessageAsync(getFirst);
```

### 4. Test & Verify
Once compilation succeeds:
1. Build SDK Bridge
2. Start services
3. Test API endpoint `/api/v1/action-mappings`
4. Verify live data from GeViServer appears
5. Cross-reference with GeViSet to confirm accuracy

## 📁 Files Modified/Created

**New Files**:
- `SDK/AlarmQueryService.cs` - Alarm/action query service (needs callback fixes)
- `FINAL_SOLUTION.md` - Complete solution documentation
- `IMPLEMENTATION_PROGRESS.md` - This file
- `docs/chm-extracted/` - 2403 HTML files extracted from CHM

**Modified Files**:
- `SDK/ActionMappingHandler.cs` - Now uses AlarmQueryService (compiles successfully)
  - Added `using System.Linq;`
  - Injected `AlarmQueryService`
  - Updated `EnumerateActionMappingsAsync()` to query live data

**Unchanged (working)**:
- `SDK/GeViDatabaseWrapper.cs` - Connection management
- `Program.cs` - Service initialization
- `Services/ActionMappingService.cs` - gRPC service layer

## 🎯 Solution Benefits

Once implemented, this will:
✅ Access LIVE GeViSoft configuration (not separate database)
✅ Read action mappings that exist in GeViSet
✅ Use official SDK (no direct database access)
✅ Respect GeViServer's database locking
✅ Get same data GeViSet sees
✅ Potential for real-time updates via SDK events

## 📚 Reference Documentation

**Key SDK Classes**:
- `GeViSQ_GetFirstAlarm(activeOnly, enabledOnly)` - Query first alarm
- `GeViSQ_GetNextAlarm(...)` - Iterate alarms (parameters unknown)
- `GeViDBQ_CreateActionQuery(alarmPK)` - Query actions for alarm
- `GeViDBQ_GetFirst(handle?)` - Get first result (handle param unknown)
- `GeViDBQ_GetNext(handle?)` - Get next result (handle param unknown)
- `GeViDBA_ActionEntry` - Action answer with:
  - `sActionData._ActionData` (String) - Action command
  - `sAlarmRelation` (Int32) - 0=none, 1=input, 2=output
  - `sAlarmReference` (Int64) - FK to alarm

**SDK Documentation**:
- Location: `C:\GEVISOFT\Documentation\GeViSoft .NET SDK API Documentation.chm`
- Extracted: `C:\DEV\COPILOT\geutebruck-api\docs\chm-extracted\`
- Examples: `C:\GEVISOFT\Examples\` (should check these next)

## 💡 Recommendations

1. **Check SDK Examples**: Look at `C:\GEVISOFT\Examples\` for working callback examples
2. **Ask Geutebruck Support**: If callback mechanism unclear, contact vendor
3. **Fallback Option**: If SDK callbacks too complex, consider hybrid:
   - Use SDK for alarms list (`GeViSQ_GetFirstAlarm`/`GetNextAlarm`)
   - For now, accept read-only alarm metadata
   - Document limitation and revisit when SDK understanding improves

## Time Spent

- CHM extraction and documentation analysis: ~30 min
- SDK research and finding correct approach: ~45 min
- Implementation of AlarmQueryService: ~20 min
- Debugging compilation issues: ~15 min
- **Total: ~1h 50min**

## Status

🟡 **In Progress** - Core logic implemented, needs callback system fixes to compile