#!/bin/bash
#
# Git Manager Startup Script
#
# This script checks the environment, initializes the database if needed,
# and starts the uvicorn server.
#

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

# Get script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BACKEND_DIR="$SCRIPT_DIR/backend"
ENV_FILE="$SCRIPT_DIR/.env"

echo "=================================="
echo "  Git Manager Startup Script"
echo "=================================="
echo

# Check if .env file exists
if [ ! -f "$ENV_FILE" ]; then
    echo -e "${RED}Error: .env file not found${NC}"
    echo
    echo "Please create a .env file from the example:"
    echo "  cp .env.example .env"
    echo
    echo "Then edit .env and set:"
    echo "  - GM_ENCRYPT_KEY (generate with: python -c \"import base64, os; print(base64.b64encode(os.urandom(32)).decode())\")"
    echo "  - GM_API_TOKEN (generate with: python -c \"import secrets; print(secrets.token_urlsafe(32))\")"
    exit 1
fi

echo -e "${GREEN}✓${NC} Environment configuration found"

# Check if database exists
DB_PATH="$SCRIPT_DIR/data/git_manager.db"
if [ ! -f "$DB_PATH" ]; then
    echo
    echo -e "${YELLOW}Database not found. Initializing...${NC}"
    cd "$BACKEND_DIR"
    python init_db.py
    echo -e "${GREEN}✓${NC} Database initialized"
else
    echo -e "${GREEN}✓${NC} Database exists"
fi

# Load environment variables
export $(grep -v '^#' "$ENV_FILE" | xargs)

# Use defaults if not set in .env
HOST=${GM_HOST:-0.0.0.0}
PORT=${GM_PORT:-8000}

echo
echo "=================================="
echo "  Starting Git Manager"
echo "=================================="
echo "Host: $HOST"
echo "Port: $PORT"
echo "Web UI: http://localhost:$PORT"
echo "API Docs: http://localhost:$PORT/api/docs"
echo

# Start the server
cd "$BACKEND_DIR"
python -m uvicorn app.main:app --host "$HOST" --port "$PORT" --reload