/*
Copyright (c) 2016 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.

Authors: Gabriel Ebner, Sebastian Ullrich
*/
#pragma once
#include "kernel/pos_info_provider.h"
#include "kernel/environment.h"
#include "library/io_state.h"
#include "frontends/lean/json.h"
#include <string>

namespace lean {

class server {
    unsigned m_num_threads;
    options m_opts;
    environment m_initial_env;
    io_state m_ios;

    std::string m_file_name;
    std::string m_content;
    optional<pos_info> m_only_checked_until;

    bool m_parsed_ok;
    environment m_checked_env;
    list<message> m_messages;
    snapshot_vector m_snapshots;

    snapshot const * get_closest_snapshot(unsigned linenum);
    json handle_request(json const & req);

    json handle_sync(json const & req);
    json handle_check(json const & req);
    json handle_complete(json const & req);
    json handle_info(json const & req);

    json serialize_decl(name const & short_name, name const & long_name, environment const & env, options const & o);
    json serialize_decl(name const & d, environment const & env, options const & o);
public:
    server(unsigned num_threads, environment const & intial_env, io_state const & ios);
    ~server();

    void run();
};

void initialize_server();
void finalize_server();

}