#!/bin/bash
# furt-lua/scripts/setup_env.sh
# Add SMTP environment variables to existing .env (non-destructive)

set -e

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

echo -e "${GREEN}=== Furt SMTP Environment Setup ===${NC}"

# Navigate to furt project root
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(dirname "$(dirname "$SCRIPT_DIR")")"
ENV_FILE="$PROJECT_ROOT/.env"

echo -e "${YELLOW}Project root:${NC} $PROJECT_ROOT"
echo -e "${YELLOW}Environment file:${NC} $ENV_FILE"

# Check if .env exists
if [ ! -f "$ENV_FILE" ]; then
    echo -e "${YELLOW}Creating new .env file...${NC}"
    cat > "$ENV_FILE" << 'EOF'
# Dragons@Work Project Environment Variables

# Furt SMTP Configuration for mail.dragons-at-work.de
SMTP_HOST="mail.dragons-at-work.de"
SMTP_PORT="465"
SMTP_USERNAME="your_email@dragons-at-work.de"
SMTP_PASSWORD="your_smtp_password"
SMTP_FROM="noreply@dragons-at-work.de"
SMTP_TO="michael@dragons-at-work.de"
EOF
    echo -e "${GREEN}[OK] Created new .env file${NC}"
    echo -e "${YELLOW}[EDIT] Please edit:${NC} nano $ENV_FILE"
    exit 0
fi

echo -e "${GREEN}[OK] Found existing .env file${NC}"

# Check if SMTP variables already exist
smtp_username_exists=$(grep -c "^SMTP_USERNAME=" "$ENV_FILE" 2>/dev/null || echo "0")
smtp_password_exists=$(grep -c "^SMTP_PASSWORD=" "$ENV_FILE" 2>/dev/null || echo "0")

if [ "$smtp_username_exists" -gt 0 ] && [ "$smtp_password_exists" -gt 0 ]; then
    echo -e "${GREEN}[OK] SMTP variables already configured${NC}"
    
    # Load and show current values
    source "$ENV_FILE"
    echo -e "${YELLOW}Current SMTP User:${NC} ${SMTP_USERNAME:-NOT_SET}"
    echo -e "${YELLOW}Current SMTP Password:${NC} ${SMTP_PASSWORD:+[CONFIGURED]}${SMTP_PASSWORD:-NOT_SET}"
    
    echo ""
    echo -e "${YELLOW}To update SMTP settings:${NC} nano $ENV_FILE"
    exit 0
fi

# Add missing SMTP variables
echo -e "${YELLOW}Adding SMTP configuration to existing .env...${NC}"

# Add section header if not present
if ! grep -q "SMTP_" "$ENV_FILE" 2>/dev/null; then
    echo "" >> "$ENV_FILE"
    echo "# Furt SMTP Configuration for mail.dragons-at-work.de" >> "$ENV_FILE"
fi

# Add username if missing
if [ "$smtp_username_exists" -eq 0 ]; then
    echo "SMTP_HOST=\"mail.dragons-at-work.de\"" >> "$ENV_FILE"
    echo "SMTP_PORT=\"465\"" >> "$ENV_FILE"
    echo "SMTP_USERNAME=\"your_email@dragons-at-work.de\"" >> "$ENV_FILE"
    echo -e "${GREEN}[OK] Added SMTP_HOST, SMTP_PORT, SMTP_USERNAME${NC}"
fi

# Add password if missing
if [ "$smtp_password_exists" -eq 0 ]; then
    echo "SMTP_PASSWORD=\"your_smtp_password\"" >> "$ENV_FILE"
    echo "SMTP_FROM=\"noreply@dragons-at-work.de\"" >> "$ENV_FILE"
    echo "SMTP_TO=\"michael@dragons-at-work.de\"" >> "$ENV_FILE"
    echo -e "${GREEN}[OK] Added SMTP_PASSWORD, SMTP_FROM, SMTP_TO${NC}"
fi

echo -e "${GREEN}[OK] SMTP configuration added to .env${NC}"
echo ""
echo -e "${YELLOW}Next steps:${NC}"
echo "1. Edit SMTP credentials: nano $ENV_FILE"
echo "2. Set your actual email@dragons-at-work.de in SMTP_USERNAME"
echo "3. Set your actual SMTP password in SMTP_PASSWORD"
echo "4. Test with: ./scripts/start.sh"

echo ""
echo -e "${YELLOW}Current .env content:${NC}"
echo "==================="
cat "$ENV_FILE"
echo "==================="
echo ""
echo -e "${GREEN}Ready for SMTP testing!${NC}"