#!/bin/bash

# Signal Bot Deployment Script
# This script handles setup and runs the Signal bot

set -e

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

echo -e "${GREEN}=== Signal Bot Deployment Script ===${NC}"

# Check if Python is installed
if ! command -v python3 &> /dev/null; then
    echo -e "${RED}Error: Python3 is not installed. Please install Python 3.8 or higher.${NC}"
    exit 1
fi

# Get script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

# Check and create virtual environment
if [ ! -d "venv" ]; then
    echo -e "${YELLOW}Creating virtual environment...${NC}"
    python3 -m venv venv
fi

# Activate virtual environment
echo -e "${YELLOW}Activating virtual environment...${NC}"
source venv/bin/activate

# Install requirements
echo -e "${YELLOW}Installing requirements...${NC}"
pip install -q -r requirements.txt

# Check for .env file
if [ ! -f ".env" ]; then
    if [ -f ".env.sample" ]; then
        echo -e "${YELLOW}Creating .env file from sample...${NC}"
        cp .env.sample .env
    else
        echo -e "${RED}Warning: No .env file found.${NC}"
    fi
fi

# Load environment variables from .env file if it exists
if [ -f ".env" ]; then
    echo -e "${YELLOW}Loading environment variables from .env...${NC}"
    set -a
    source .env
    set +a
fi

# Display configuration status
echo ""
echo -e "${GREEN}=== Configuration Status ===${NC}"
echo ""

# Check required environment variables
check_env_var() {
    local var_name=$1
    local var_value="${!var_name}"
    local description=$2
    
    if [ -z "$var_value" ] || [ "$var_value" == "" ]; then
        echo -e "${RED}✗ $var_name: Not set${NC} - $description"
        return 1
    else
        # Mask sensitive values
        local masked_value="${var_value:0:4}..."
        echo -e "${GREEN}✓ $var_name: $masked_value${NC}"
        return 0
    fi
}

config_ok=true

check_env_var "PHONE_NUMBER" "Your Signal phone number (e.g., +1234567890)" || config_ok=false
check_env_var "GROUP_ID" "Group ID for receiving messages" || config_ok=false
check_env_var "GROUP_ID_SEND" "Group ID for sending messages" || config_ok=false
check_env_var "CAT_API" "The Cat API key (optional)" || true  # Optional

echo ""
echo -e "${GREEN}=== Mode Configuration ===${NC}"
MODE=${MODE:-PRD}
if [ "$MODE" == "DBG" ]; then
    echo -e "${YELLOW}Running in DEBUG mode - Commands will be sent to 'note to self' (your own number)${NC}"
else
    echo -e "${GREEN}Running in PRODUCTION mode${NC}"
fi
echo ""

if [ "$config_ok" = false ]; then
    echo -e "${YELLOW}=== Manual Configuration Required ===${NC}"
    echo ""
    echo "Please configure the following in your .env file or environment:"
    echo ""
    echo "1. PHONE_NUMBER - Your Signal phone number linked to the bot"
    echo "   Example: export PHONE_NUMBER=\"+1234567890\""
    echo ""
    echo "2. GROUP_ID - The group ID where the bot receives messages"
    echo "   Find this by looking at received messages in debug mode"
    echo ""
    echo "3. GROUP_ID_SEND - The group ID where the bot sends responses"
    echo "   Can be the same as GROUP_ID or different"
    echo ""
    echo "4. CAT_API (optional) - API key for The Cat API"
    echo "   Get one at: https://thecatapi.com/#pricing"
    echo ""
    echo "5. MODE - Set to DBG for debug mode, PRD for production"
    echo "   In debug mode, commands are sent to your own number"
    echo ""
    echo -e "${RED}Exiting due to missing configuration.${NC}"
    echo "Edit your .env file and run this script again."
    exit 1
fi

# Display Signal CLI REST API setup instructions if not already done
echo -e "${GREEN}=== Signal CLI REST API Setup ===${NC}"
echo ""
echo "Make sure Signal CLI REST API is running. If not, run:"
echo ""
echo "  docker run -d --name signal-api --restart=always -p 9922:8080 \\"
echo "    -v \$HOME/signal-api:/home/.local/share/signal-cli \\"
echo "    -e 'MODE=json-rpc' bbernhard/signal-cli-rest-api:0.167-dev"
echo ""
echo "Then link your Signal account by scanning the QR code at:"
echo "  http://localhost:9922/v1/qrcodelink?device_name=signal-api"
echo ""

# Start the application with live reload
echo -e "${GREEN}=== Starting Signal Bot ===${NC}"
echo "Live reload is enabled - changes to Python files will auto-restart the server"
echo ""

uvicorn main:app --host 0.0.0.0 --port 8000 --reload