#!/bin/bash
# Update Termux SMS API Server on Android Device
# This script updates the Termux API server with improved error handling and higher message limits

set -e

# Colors
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
RED='\033[0;31m'
NC='\033[0m'

echo -e "${GREEN}📱 Updating Termux SMS API Server${NC}"
echo "======================================"

# Configuration
ANDROID_IP="10.0.0.193"
ANDROID_PORT="8022"
ANDROID_USER="android-dev"
REMOTE_PATH="~/projects/sms-campaign-manager"

echo -e "${BLUE}📋 Configuration:${NC}"
echo "  Android IP: $ANDROID_IP"
echo "  SSH Port: $ANDROID_PORT"  
echo "  User: $ANDROID_USER"
echo "  Remote Path: $REMOTE_PATH"
echo

# Check if Android device is reachable
echo -e "${BLUE}🔍 Checking Android device connectivity...${NC}"
if ! ping -c 1 $ANDROID_IP >/dev/null 2>&1; then
    echo -e "${RED}❌ Cannot reach Android device at $ANDROID_IP${NC}"
    exit 1
fi
echo -e "${GREEN}✅ Android device is reachable${NC}"

# Stop existing API server
echo -e "${BLUE}🛑 Stopping existing Termux API server...${NC}"
ssh -p $ANDROID_PORT $ANDROID_USER@$ANDROID_IP "pkill -f termux-sms-api-server.py || true"
sleep 2

# Copy updated server file
echo -e "${BLUE}📤 Uploading updated Termux API server...${NC}"
scp -P $ANDROID_PORT android/termux-sms-api-server.py $ANDROID_USER@$ANDROID_IP:$REMOTE_PATH/

# Set permissions
echo -e "${BLUE}🔧 Setting permissions...${NC}"
ssh -p $ANDROID_PORT $ANDROID_USER@$ANDROID_IP "chmod +x $REMOTE_PATH/termux-sms-api-server.py"

# Create logs directory
ssh -p $ANDROID_PORT $ANDROID_USER@$ANDROID_IP "mkdir -p ~/logs"

# Start updated API server
echo -e "${BLUE}🚀 Starting updated Termux API server...${NC}"
ssh -p $ANDROID_PORT $ANDROID_USER@$ANDROID_IP "cd $REMOTE_PATH && nohup python termux-sms-api-server.py > ~/logs/sms-api-startup.log 2>&1 &"

# Wait a moment for startup
sleep 3

# Check if server is running
echo -e "${BLUE}🔍 Checking if API server is running...${NC}"
if ssh -p $ANDROID_PORT $ANDROID_USER@$ANDROID_IP "pgrep -f termux-sms-api-server.py" >/dev/null; then
    echo -e "${GREEN}✅ Termux API server is running${NC}"
else
    echo -e "${RED}❌ Failed to start Termux API server${NC}"
    echo -e "${YELLOW}📋 Check startup log:${NC}"
    ssh -p $ANDROID_PORT $ANDROID_USER@$ANDROID_IP "cat ~/logs/sms-api-startup.log"
    exit 1
fi

# Test API endpoint
echo -e "${BLUE}🧪 Testing API endpoint...${NC}"
if curl -s -f http://$ANDROID_IP:5001/health >/dev/null; then
    echo -e "${GREEN}✅ API endpoint is responding${NC}"
else
    echo -e "${YELLOW}⚠️  API endpoint may still be starting up${NC}"
fi

echo
echo -e "${GREEN}🎉 Update Complete!${NC}"
echo
echo -e "${BLUE}📊 What was updated:${NC}"
echo "  ✅ Increased max message length from 160 to 1600 characters"
echo "  ✅ Reduced rate limit delay from 2.0 to 1.0 seconds"
echo "  ✅ Added contact list endpoints (termux-contact-list)"
echo "  ✅ Added /api/contacts/test for JSON structure analysis"
echo "  ✅ Added /api/contacts/list for fetching all contacts"
echo "  ✅ Added detailed error logging and validation"
echo "  ✅ Improved phone number cleaning"
echo "  ✅ Better debugging information"
echo
echo -e "${BLUE}📋 Next steps:${NC}"
echo "  1. Rebuild Docker container: docker compose build"
echo "  2. Restart Docker container: docker compose up"
echo "  3. Test campaign again"
echo
echo -e "${BLUE}🔍 Check logs:${NC}"
echo "  Android API logs: ssh -p 8022 android-dev@10.0.0.193 'tail -f ~/logs/sms-api.log'"
echo "  Docker logs: docker compose logs -f"