#!/bin/bash
# update_migration_status.sh - Automatische Migration Status Updates
# Wird alle 4 Stunden oder bei Meilensteinen ausgeführt

set -e

WORKSPACE_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
MIGRATION_REPO="$WORKSPACE_ROOT/qt-migration-legatus"
STATUS_FILE="$WORKSPACE_ROOT/MIGRATION_STATUS.md"

echo "🔄 Migration Status Update - $(date -Iseconds)"

# Check if we're in a git repo
if ! git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
    echo "❌ Not in a git repository"
    exit 1
fi

# Generate migration status
echo "📊 Generiere Migrationsstatus..."

# Count migrated files
MIGRATED_FILES=$(find "$MIGRATION_REPO/qt6-after/qt6-migrated-legatus" -name "*.cpp" -o -name "*.h" 2>/dev/null | wc -l)
LEGACY_FILES=$(find "$MIGRATION_REPO/qt5-before/qt5-legatus-legacy" -name "*.cpp" -o -name "*.h" 2>/dev/null | wc -l)

# Get current branch and commit
cd "$MIGRATION_REPO"
CURRENT_BRANCH=$(git branch --show-current 2>/dev/null || echo "unknown")
CURRENT_COMMIT=$(git rev-parse --short HEAD 2>/dev/null || echo "unknown")
LAST_COMMIT_DATE=$(git log -1 --format=%ci 2>/dev/null || echo "unknown")

# Count test files
TEST_FILES=$(find "$MIGRATION_REPO/qt6-after/qt6-migrated-legatus" -name "*[Tt]est*.cpp" 2>/dev/null | wc -l)

# Build info
BUILD_STATUS="Unknown"
if [ -d "$WORKSPACE_ROOT/build-qt6-migration" ]; then
    if [ -f "$WORKSPACE_ROOT/build-qt6-migration/CMakeCache.txt" ]; then
        BUILD_STATUS="✅ Configure erfolgreich"
    fi
fi

# Generate status report
cat > "$STATUS_FILE" << EOF
# 🚀 Qt5/C++11 → Qt6/C++23 Migration Status

**Letztes Update**: $(date -Iseconds)  
**Branch**: \`$CURRENT_BRANCH\`  
**Commit**: \`$CURRENT_COMMIT\`  
**Letzter Commit**: $LAST_COMMIT_DATE

---

## 📊 Fortschritt

| Metrik | Wert |
|--------|------|
| Migrierte Dateien | $MIGRATED_FILES |
| Legacy Dateien (Referenz) | $LEGACY_FILES |
| Test-Dateien | $TEST_FILES |
| Build-Status | $BUILD_STATUS |

---

## ✅ Abgeschlossene Meilensteine

$(if [ -f "$MIGRATION_REPO/qt6-after/qt6-migrated-legatus/Lts/Common/CMakeLists.txt" ]; then echo "- ✅ Lts/Common - Vollständig migriert"; fi)
$(if [ -f "$MIGRATION_REPO/qt6-after/qt6-migrated-legatus/Lts/DDS/CMakeLists.txt" ]; then echo "- 🟡 Lts/DDS - In Arbeit"; fi)
$(if [ -f "$MIGRATION_REPO/qt6-after/qt6-migrated-legatus/Lts/Plugins/CMakeLists.txt" ]; then echo "- 🟡 Lts/Plugins - In Arbeit"; fi)
$(if [ -f "$MIGRATION_REPO/qt6-after/qt6-migrated-legatus/Lts/Proxies/CMakeLists.txt" ]; then echo "- 🟡 Lts/Proxies - In Arbeit"; fi)
$(if [ -f "$MIGRATION_REPO/qt6-after/qt6-migrated-legatus/Lts/Services/CMakeLists.txt" ]; then echo "- 🟡 Lts/Services - In Arbeit"; fi)

---

## 🔧 Technische Details

### BUILD_RTI Configuration
- Conditional Compilation: ✅ Implementiert
- BUILD_RTI=OFF Build: ✅ Validiert

### Qt Version
- Ziel: Qt 6.10.2
- Docker Image: migration-pipeline:ubuntu26.04

### Submodule Status
\`\`\`
$(cd "$WORKSPACE_ROOT" && git submodule status 2>/dev/null || echo "N/A")
\`\`\`

---

## 📝 Letzte Änderungen

\`\`\`
$(cd "$MIGRATION_REPO" && git log -5 --oneline 2>/dev/null || echo "N/A")
\`\`\`

---

## ⏭️ Nächste Schritte

1. Lts/DDS Module vollständig migrieren
2. Lts/Plugins Kernmodule migrieren
3. Vollständigen Build validieren
4. CTest Suite ausführen

---

*Automatisch generiert von update_migration_status.sh*
EOF

echo "✅ Status file updated: $STATUS_FILE"

# Commit and push if there are changes
cd "$WORKSPACE_ROOT"
if ! git diff --quiet "$STATUS_FILE" 2>/dev/null; then
    echo "📝 Committing changes..."
    git add "$STATUS_FILE"
    git commit -S -m "chore: Migration Status Update $(date -Iseconds)
    
    Automatische Status-Aktualisierung
    - Migrierte Dateien: $MIGRATED_FILES
    - Build Status: $BUILD_STATUS
    
    Signed-off-by: Torsten Wierschin <torsten.wierschin@life-maps.com>"
    
    echo "🔄 Pushing to remote..."
    git push origin main
    echo "✅ Status committed and pushed!"
else
    echo "ℹ️  No changes to commit"
fi

echo "✅ Done!"