#!/bin/bash
# ClaudeTools Bidirectional Sync Script
# Ensures proper pull BEFORE push on all machines

set -e  # Exit on error

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Detect machine name
if [ -n "$COMPUTERNAME" ]; then
    MACHINE="$COMPUTERNAME"
else
    MACHINE=$(hostname)
fi

# Timestamp
TIMESTAMP=$(date "+%Y-%m-%d %H:%M:%S")

echo -e "${GREEN}[OK]${NC} Starting ClaudeTools sync from $MACHINE at $TIMESTAMP"

# Navigate to ClaudeTools directory
if [ -d "$HOME/ClaudeTools" ]; then
    cd "$HOME/ClaudeTools"
elif [ -d "/d/ClaudeTools" ]; then
    cd "/d/ClaudeTools"
elif [ -d "D:/ClaudeTools" ]; then
    cd "D:/ClaudeTools"
else
    echo -e "${RED}[ERROR]${NC} ClaudeTools directory not found"
    exit 1
fi

echo -e "${GREEN}[OK]${NC} Working directory: $(pwd)"

# Phase 1: Check and commit local changes
echo ""
echo "=== Phase 1: Local Changes ==="

if ! git diff-index --quiet HEAD -- 2>/dev/null; then
    echo -e "${YELLOW}[INFO]${NC} Local changes detected"

    # Show status
    git status --short

    # Stage all changes
    echo -e "${GREEN}[OK]${NC} Staging all changes..."
    git add -A

    # Commit with timestamp
    COMMIT_MSG="sync: Auto-sync from $MACHINE at $TIMESTAMP

Synced files:
- Session logs updated
- Latest context and credentials
- Command/directive updates

Machine: $MACHINE
Timestamp: $TIMESTAMP

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>"

    git commit -m "$COMMIT_MSG"
    echo -e "${GREEN}[OK]${NC} Changes committed"
else
    echo -e "${GREEN}[OK]${NC} No local changes to commit"
fi

# Phase 2: Sync with remote (CRITICAL: Pull BEFORE Push)
echo ""
echo "=== Phase 2: Remote Sync (Pull + Push) ==="

# Fetch to see what's available
echo -e "${GREEN}[OK]${NC} Fetching from remote..."
git fetch origin

# Check if remote has updates
LOCAL=$(git rev-parse main)
REMOTE=$(git rev-parse origin/main)

if [ "$LOCAL" != "$REMOTE" ]; then
    echo -e "${YELLOW}[INFO]${NC} Remote has updates, pulling..."

    # Pull with rebase
    if git pull origin main --rebase; then
        echo -e "${GREEN}[OK]${NC} Successfully pulled remote changes"
        git log --oneline "$LOCAL..origin/main"
    else
        echo -e "${RED}[ERROR]${NC} Pull failed - may have conflicts"
        echo -e "${YELLOW}[INFO]${NC} Resolve conflicts and run sync again"
        exit 1
    fi
else
    echo -e "${GREEN}[OK]${NC} Already up to date with remote"
fi

# Push local changes
echo ""
echo -e "${GREEN}[OK]${NC} Pushing local changes to remote..."
if git push origin main; then
    echo -e "${GREEN}[OK]${NC} Successfully pushed to remote"
else
    echo -e "${RED}[ERROR]${NC} Push failed"
    exit 1
fi

# Phase 3: Report final status
echo ""
echo "=== Sync Complete ==="
echo -e "${GREEN}[OK]${NC} Local branch: $(git rev-parse --abbrev-ref HEAD)"
echo -e "${GREEN}[OK]${NC} Current commit: $(git log -1 --oneline)"
echo -e "${GREEN}[OK]${NC} Remote status: $(git status -sb | head -1)"

echo ""
echo -e "${GREEN}[SUCCESS]${NC} All machines in sync. Ready to continue work."