#!/bin/bash
# Claude Hooks Uninstallation Script

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

CLAUDE_CONFIG_DIR="$HOME/.config/claude"
HOOKS_CONFIG_FILE="$CLAUDE_CONFIG_DIR/hooks.json"

echo -e "${BLUE}Claude Code Hooks Uninstallation${NC}"
echo "===================================="

# Warn user about data loss
echo -e "${YELLOW}WARNING:${NC} This will remove:"
echo "- Hook configuration from Claude Code"
echo "- All learned patterns and session data"
echo "- Backup files (if in project directory)"
echo ""
read -p "Are you sure you want to continue? (y/N): " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
    echo "Uninstallation cancelled."
    exit 0
fi

# Remove hooks from Claude settings
if [ -f "$HOME/.config/claude/settings.json" ]; then
    echo -n "Removing hooks from Claude settings... "
    
    # Backup settings
    cp "$HOME/.config/claude/settings.json" "$HOME/.config/claude/settings.json.backup"
    
    # Remove hooks configuration
    python3 << 'EOF'
import json
import sys

try:
    with open('/home/usr/.config/claude/settings.json', 'r') as f:
        settings = json.load(f)
    
    # Remove hooks section
    if 'hooks' in settings:
        del settings['hooks']
        
        with open('/home/usr/.config/claude/settings.json', 'w') as f:
            json.dump(settings, f, indent=2)
        
        print("SUCCESS")
    else:
        print("NO HOOKS FOUND")
        
except Exception as e:
    print(f"ERROR: {e}")
    sys.exit(1)
EOF
    
    echo -e "${GREEN}Hooks removed from Claude settings${NC}"
else
    echo -e "${YELLOW}No Claude settings file found${NC}"
fi

# Remove hooks configuration file
if [ -f "$HOOKS_CONFIG_FILE" ]; then
    echo -n "Removing hooks configuration file... "
    rm -f "$HOOKS_CONFIG_FILE"
    echo -e "${GREEN}SUCCESS${NC}"
fi

# Ask about removing data
echo ""
read -p "Remove learned patterns and session data? (y/N): " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
    echo -n "Removing hook data... "
    rm -rf ".claude_hooks"
    rm -f "LAST_SESSION.md" "ACTIVE_TODOS.md" "RECOVERY_GUIDE.md"
    echo -e "${GREEN}SUCCESS${NC}"
fi

# Ask about removing project files
echo ""
read -p "Remove project files (hooks, scripts, etc.)? This cannot be undone! (y/N): " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
    CLAUDE_HOOKS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
    echo -n "Removing project files... "
    cd ..
    rm -rf "$CLAUDE_HOOKS_DIR"
    echo -e "${GREEN}SUCCESS${NC}"
    echo ""
    echo -e "${GREEN}Complete uninstallation finished!${NC}"
    echo "All files have been removed."
else
    echo ""
    echo -e "${GREEN}Partial uninstallation finished!${NC}"
    echo "Hooks disabled, but project files remain."
fi

echo ""
echo -e "${BLUE}Post-uninstallation:${NC}"
echo "1. Restart Claude Code to ensure hooks are disabled"
echo "2. Check that no hook-related errors appear"
echo "3. Your backup files (if any) remain in git history"
echo ""
echo -e "${GREEN}Claude Code Hooks successfully removed.${NC}"