// Project Includes
#include "server.hpp"
// Standard Library Includes
#include <filesystem>
#include <netinet/in.h>
#include <print>
#include <stdexcept>

Server::Server(uint16_t port, std::string_view root_directory) : m_context(ServerContext()), m_server_fd(-1)
{
    m_context.m_root_directory = std::filesystem::canonical(root_directory);
    std::println("Starting server http://localhost:{} with root directory '{}'", port,
                 m_context.m_root_directory.string());
    // AF_INET: IPv4, SOCK_STREAM: TCP, 0: default protocol
    int fd = socket(AF_INET, SOCK_STREAM, 0);
    if (fd < 0)
    {
        throw std::runtime_error("Failed to create socket");
    }
    m_server_fd = FileDescriptor(fd);
    sockaddr_in addr = {};
    addr.sin_family = AF_INET;         // IPv4
    addr.sin_addr.s_addr = INADDR_ANY; // Bind to all interfaces
    addr.sin_port = htons(port);       // Convert port to network byte order
    // SO_REUSEADDR option to reuse the address
    int opt = 1;
    if (setsockopt(m_server_fd.get(), SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0)
    {
        throw std::runtime_error("Failed to set socket options");
    }

    // Bind the socket to the specified port
    if (bind(m_server_fd.get(), (sockaddr *)&addr, sizeof(addr)) < 0)
    {
        throw std::runtime_error("Failed to bind socket");
    }

    if (listen(m_server_fd.get(), SOMAXCONN) < 0)
    {
        throw std::runtime_error("Failed to listen on socket");
    }
}