# Refactoring Progress Tracking Table

**Project:** install_hooks.py Complexity Reduction
**Start Date:** 2026-01-10
**Baseline Analysis Date:** 2026-01-10

---

## Progress Overview

| Phase | Function | Status | Started | Completed | Duration |
|-------|----------|--------|---------|-----------|----------|
| **Phase 1** | `_parse_mcp_get_output` | ⏸️ Not Started | - | - | - |
| **Phase 2** | `validate_mcp_prerequisites` | ⏸️ Not Started | - | - | - |
| **Phase 3** | `detect_claude_mcp_configuration` | ⏸️ Not Started | - | - | - |

---

## Detailed Metrics Tracking

### Phase 1: _parse_mcp_get_output() (Lines 238-268)

**Priority:** P0 (CRITICAL) - 9 Nesting Levels

| Metric | Baseline | Current | Target | Status | % Change |
|--------|----------|---------|--------|--------|----------|
| **Cyclomatic Complexity** | C (12) | - | A (≤6) | ⏸️ | - |
| **Nesting Depth** | 9 levels | - | ≤3 levels | ⏸️ | - |
| **Total Lines** | 31 | - | <25 | ⏸️ | - |
| **Statements** | 24 | - | <20 | ⏸️ | - |
| **If Statements** | 7 | - | ≤4 | ⏸️ | - |
| **Boolean Operators** | 5 | - | <5 | ⏸️ | - |

**Estimated Effort:** 2-3 hours
**Actual Effort:** -

---

### Phase 2: validate_mcp_prerequisites() (Lines 351-385)

**Priority:** P1 (HIGH) - 12 Boolean Operators

| Metric | Baseline | Current | Target | Status | % Change |
|--------|----------|---------|--------|--------|----------|
| **Cyclomatic Complexity** | C (12) | - | A (≤5) | ⏸️ | - |
| **Nesting Depth** | 4 levels | - | ≤3 levels | ⏸️ | - |
| **Total Lines** | 35 | - | <30 | ⏸️ | - |
| **Statements** | 23 | - | <20 | ⏸️ | - |
| **If Statements** | 8 | - | ≤5 | ⏸️ | - |
| **Boolean Operators** | 12 | - | <5 | ⏸️ | - |

**Estimated Effort:** 2-3 hours
**Actual Effort:** -

---

### Phase 3: detect_claude_mcp_configuration() (Lines 198-236)

**Priority:** P2 (MEDIUM) - 4 Try/Except Blocks

| Metric | Baseline | Current | Target | Status | % Change |
|--------|----------|---------|--------|--------|----------|
| **Cyclomatic Complexity** | B (9) | - | A (≤6) | ⏸️ | - |
| **Nesting Depth** | 5 levels | - | ≤3 levels | ⏸️ | - |
| **Total Lines** | 39 | - | <30 | ⏸️ | - |
| **Statements** | 23 | - | <20 | ⏸️ | - |
| **If Statements** | 3 | - | ≤3 | ⏸️ | - |
| **Try/Except Blocks** | 4 | - | ≤2 | ⏸️ | - |
| **Boolean Operators** | 4 | - | <5 | ⏸️ | - |

**Estimated Effort:** 1-2 hours
**Actual Effort:** -

---

## File-Level Metrics

| Metric | Baseline | Current | Target | Status | % Change |
|--------|----------|---------|--------|--------|----------|
| **Maintainability Index** | C (2.38) | - | B (≥5.0) | ⏸️ | - |
| **Average Complexity** | B (7.7) | - | A (≤5.0) | ⏸️ | - |
| **Total LOC** | 1,454 | - | ~1,400 | ⏸️ | - |

---

## Security Issues

| Issue | Location | Severity | Baseline Status | Current Status | Resolution |
|-------|----------|----------|----------------|----------------|------------|
| Subprocess with partial path | Line 207 | LOW | ⚠️ Present | - | - |
| Subprocess untrusted input | Line 207 | LOW | ⚠️ Present | - | - |
| Subprocess with partial path | Line 220 | LOW | ⚠️ Present | - | - |
| Subprocess untrusted input | Line 220 | LOW | ⚠️ Present | - | - |

---

## Test Coverage

| Test Suite | Baseline | Current | Target | Status |
|------------|----------|---------|--------|--------|
| **Unit Tests** | - | - | 100% | ⏸️ |
| **Integration Tests** | - | - | 100% | ⏸️ |
| **Overall Coverage** | - | - | ≥80% | ⏸️ |

---

## Measurement Commands

```bash
# Activate analysis environment
source .venv-analysis/bin/activate

# Update metrics (run after each phase)
radon cc claude-hooks/install_hooks.py -s -a > .metrics/after_cc_install_hooks.txt
radon mi claude-hooks/install_hooks.py -s > .metrics/after_mi_install_hooks.txt
python3 /tmp/analyze_functions.py > .metrics/after_nesting_install_hooks.txt

# Compare with baseline
diff .metrics/baseline_cc_install_hooks.txt .metrics/after_cc_install_hooks.txt
diff .metrics/baseline_mi_install_hooks.txt .metrics/after_mi_install_hooks.txt
diff .metrics/baseline_nesting_install_hooks.txt .metrics/after_nesting_install_hooks.txt

# Security scan
bandit -r claude-hooks/install_hooks.py -f json > .metrics/after_security.json
```

---

## Success Criteria Checklist

### Function-Level
- [ ] `_parse_mcp_get_output`: Complexity ≤6 (A grade)
- [ ] `_parse_mcp_get_output`: Nesting ≤3 levels
- [ ] `validate_mcp_prerequisites`: Complexity ≤5 (A grade)
- [ ] `validate_mcp_prerequisites`: Boolean Operators <5
- [ ] `detect_claude_mcp_configuration`: Complexity ≤6 (A grade)
- [ ] `detect_claude_mcp_configuration`: Nesting ≤3 levels

### File-Level
- [ ] Maintainability Index ≥5.0 (B grade or better)
- [ ] Average Complexity ≤5.0 (A grade)

### Quality
- [ ] No new security issues introduced
- [ ] All existing tests pass
- [ ] Test coverage maintained or increased
- [ ] No regressions in functionality

### Documentation
- [ ] Updated function docstrings
- [ ] Added inline comments for complex logic
- [ ] Updated CHANGELOG.md with refactoring notes

---

## Notes & Observations

### Phase 1 Notes
*To be filled during Phase 1 refactoring*

### Phase 2 Notes
*To be filled during Phase 2 refactoring*

### Phase 3 Notes
*To be filled during Phase 3 refactoring*

---

## Timeline

- **Baseline Analysis:** 2026-01-10
- **Phase 1 Start:** TBD
- **Phase 1 End:** TBD
- **Phase 2 Start:** TBD
- **Phase 2 End:** TBD
- **Phase 3 Start:** TBD
- **Phase 3 End:** TBD
- **Final Validation:** TBD
- **Project Complete:** TBD

---

**Legend:**
- ✅ Complete
- 🔄 In Progress
- ⏸️ Not Started
- ⚠️ Issue/Blocked
- ❌ Failed

**Status Icons:**
- 🔴🔴 Critical (P0)
- 🔴 High (P1)
- 🟡 Medium (P2)
- ✅ Good
