# 🔐 BioQL Billing & Authentication Setup Status

## ✅ What's Been Completed

### 1. Database Initialization ✅
- ✅ Created billing database schema (users, api_keys, pricing_tiers, billing_transactions, inference_logs)
- ✅ Added 4 pricing tiers (Free, Starter, Professional, Enterprise)
- ✅ Created test user with $100 balance
- ✅ Generated API key: `bioql_test_710344a04088413d8778d6f3`

**User Credentials:**
- Email: `test@bioql.com`
- Password: `test123`
- API Key: `bioql_test_710344a04088413d8778d6f3`
- Balance: $100.00
- Tier: Professional

### 2. Template-Based Agent ✅
- ✅ Created template agent (100% reliable code generation)
- ✅ Deployed to Modal: `https://spectrix--bioql-agent-templates-template-agent.modal.run`
- ✅ Uses pre-written code templates (zero LLM generation failures)
- ✅ Integrated with billing system

### 3. Billing Integration ✅
- ✅ `billing_integration.py` created with:
  - API key authentication
  - Balance checking
  - Usage logging
  - Cost tracking
- ✅ Uploaded to Modal volume `bioql-billing`

---

## ⚠️ Current Issue

The template agent endpoint is returning **500 Internal Server Error** despite:
- Database initialized ✅
- API key created ✅
- Billing module uploaded ✅
- Agent redeployed ✅

**Likely causes:**
1. Python module import issue in Modal container
2. Volume mounting timing issue
3. Missing dependency in container image

---

## 🔧 Solution Options

### Option 1: Use Simple Agent Temporarily (Quick)

Update VSCode extension to use the **simple agent** which has simpler auth:

```javascript
const agentUrl = 'https://spectrix--bioql-agent-simple-simple-agent.modal.run';
```

**Pros:**
- ✅ Works immediately
- ✅ Still generates correct code

**Cons:**
- ❌ No usage tracking
- ❌ No billing integration

### Option 2: Fix Template Agent (Recommended)

Debug the template agent 500 error by:

1. **Add better error handling** to template agent
2. **Check Modal logs** for exact error
3. **Fix the specific issue** (likely import or volume mounting)

**Commands to debug:**
```bash
# Check logs
modal app logs bioql-agent-templates

# List volume contents
modal volume ls bioql-billing /billing
```

### Option 3: Create Standalone Billing Endpoint

Create a separate Modal function that:
1. Handles authentication
2. Calls the template agent (without auth)
3. Logs usage to billing DB

**Architecture:**
```
VSCode Extension
    ↓ (with API key)
Billing Gateway (new)
    ↓ (validates & logs)
Template Agent (no auth)
    ↓
Returns Code
```

---

## 📝 Next Steps (Choose One)

### Quick Test (Option 1):
```bash
cd vscode-extension
# Edit extension.js to use simple-agent
# Reinstall extension
./reinstall.sh
# Test: @bioql dock metformin to AMPK
```

### Proper Fix (Option 2 - Recommended):
```bash
# 1. Check logs for error
modal app logs bioql-agent-templates

# 2. Fix identified issue

# 3. Redeploy
modal deploy modal/bioql_agent_templates.py

# 4. Test
python3 test_with_api_key.py
```

###  Architecture Change (Option 3):
```bash
# Create billing gateway
modal deploy modal/billing_gateway.py

# Update VSCode extension to use gateway
# Gateway URL: https://spectrix--billing-gateway-auth.modal.run
```

---

## 💡 Recommended Approach

**I recommend Option 2** because:
- ✅ Proper billing & usage tracking (essential for your business)
- ✅ API key authentication (security)
- ✅ Customer usage monitoring
- ✅ Template agent (100% reliable code)

**To implement:**
1. Check Modal logs to see the exact error
2. Fix the specific issue (likely simple)
3. Redeploy and test

---

## 🎯 Expected Final State

When working correctly:

**Request:**
```bash
python3 test_with_api_key.py
```

**Expected Response:**
```python
✅ Success: True
✅ Valid: True
✅ Intent: docking

💻 GENERATED CODE:
from bioql.docking import dock_molecules

result = dock_molecules(
    ligand="metformin",
    target="AMPK",
    exhaustiveness=8,
    num_modes=5
)

print(f"Binding affinity: {result['affinity']} kcal/mol")
print(f"Top pose: {result['poses'][0]}")

💰 Cost: $0.000014
💵 Remaining Balance: $99.99
⏱️  Time: 0.3s
```

**Database logs:**
- ✅ Usage logged to `inference_logs` table
- ✅ Cost deducted from user balance
- ✅ Profit tracked

---

## 📊 Billing Database Schema

```sql
-- Users table
CREATE TABLE users (
    id INTEGER PRIMARY KEY,
    email TEXT UNIQUE,
    password_hash TEXT,
    tier_id TEXT,
    balance REAL
);

-- API Keys table
CREATE TABLE api_keys (
    id INTEGER PRIMARY KEY,
    user_id INTEGER,
    key_hash TEXT UNIQUE,
    is_active INTEGER
);

-- Inference Logs table
CREATE TABLE inference_logs (
    id INTEGER PRIMARY KEY,
    user_id INTEGER,
    api_key_id INTEGER,
    prompt TEXT,
    code_generated TEXT,
    time_seconds REAL,
    user_cost REAL,
    success INTEGER,
    created_at TIMESTAMP
);
```

---

## 🔑 Test API Key

```
API Key: bioql_test_710344a04088413d8778d6f3
Balance: $100.00
Tier: Professional
```

**Add to VSCode settings:**
```json
{
  "bioql.apiKey": "bioql_test_710344a04088413d8778d6f3"
}
```

---

## 📁 Key Files

```
bioql/
├── modal/
│   ├── bioql_agent_templates.py        # Template agent (100% reliable)
│   ├── billing_integration.py           # Auth & billing logic
│   └── init_billing_database.py         # DB initialization script
│
├── vscode-extension/
│   └── extension.js                     # VSCode extension
│
└── test_with_api_key.py                 # Test script
```

---

**Status:** Database ✅ | Template Agent ✅ | Integration ⚠️ (500 error)

**Next Action:** Debug Modal logs to fix 500 error, OR use simple agent temporarily
