main.cpp

#include <iostream>
#include <string>
#include "database.h"
#include "parser.h"
#include "executor.h"

void printBanner() {
    std::cout << "\033[2J\033[1;1H";
    std::cout << "\n";
    std::cout << "\033[36m";
    std::cout << "    ____  ___  ___________       ____  ____  _____\n";
    std::cout << "   / __ \\/   |/_  __/   | |     / __ \\/ __ \\/ ___/\n";
    std::cout << "  / / / / /| | / / / /| | | /| / / / / / / /\\__ \\ \n";
    std::cout << " / /_/ / ___ |/ / / ___ | |/ |/ / /_/ / /_/ /___/ / \n";
    std::cout << "/_____/_/  |_/_/ /_/  |_|__/|__/\\____/\\____//____/  \n";
    std::cout << "\033[0m\n";
    std::cout << "\033[32mDATA-BOS\033[0m\n";
    std::cout << "Your custom SQL-like database engine\n";
    std::cout << "\n";
    std::cout << "\033[90mv1.0.0\033[0m\n";
    std::cout << "\033[90m" << std::string(60, '-') << "\033[0m\n";
    std::cout << "\n";
    std::cout << "\033[1mGet started\033[0m\n\n";
    std::cout << "\033[90m>\033[0m \033[32mHELP\033[0m              (show all commands)\n";
    std::cout << "\033[90m>\033[0m \033[32mSHOW TABLES\033[0m       (list all tables)\n";
    std::cout << "\033[90m>\033[0m \033[32mCREATE TABLE\033[0m      (create new table)\n";
    std::cout << "\033[90m>\033[0m \033[32mEXIT\033[0m              (quit database)\n";
    std::cout << "\n";
    std::cout << "\033[90mtype your SQL commands below\033[0m\n";
    std::cout << "\033[90m" << std::string(60, '-') << "\033[0m\n\n";
}

int main() {
    printBanner();
    
    databos::Database db("./databos_storage");
    databos::Executor executor(db);
    
    std::string query;
    
    while (true) {
        std::cout << "\033[36mdata-bos\033[0m\033[90m>\033[0m ";
        std::getline(std::cin, query);
        
        if (query.empty()) continue;
        
        databos::ParsedCommand cmd = databos::Parser::parse(query);
        
        if (cmd.type == databos::CommandType::EXIT) {
            std::cout << "\n\033[32m✓\033[0m Goodbye! Your data has been saved.\n\n";
            break;
        }
        
        std::string result = executor.execute(cmd);
        if (!result.empty()) {
            std::cout << result << std::endl;
        }
        std::cout << std::endl;
    }
    
    return 0;
}