/*
 * Copyright 2009- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation
 * nor does it submit to any jurisdiction.
 */

#ifndef ecflow_base_Stats_HPP
#define ecflow_base_Stats_HPP

#include <deque>
#include <string>

#include "ecflow/core/CheckPt.hpp"
#include "ecflow/core/Serialization.hpp"

/// This class is used to store all statistical data about all the
/// commands processed by the server. Uses default copy constructor
struct Stats
{

    Stats();
    void show(std::ostream& os = std::cout) const;

    void update() { request_count_++; }
    void update_stats(int poll_interval);
    void update_for_serialisation();
    void reset();

    std::string locked_by_user_;
    std::string host_;
    std::string port_;
    std::string up_since_;
    std::string version_;
    std::string request_stats_;
    std::string ECF_HOME_;
    std::string ECF_CHECK_;
    std::string ECF_LOG_;
    std::string ECF_SSL_{"disabled"};

    int status_{0}; // 0 HALTED, 1 SHUTDOWN, 2 RUNNING
    int request_count_{0};
    int job_sub_interval_{0};
    int checkpt_interval_{0};
    int checkpt_save_time_alarm_{0};
    ecf::CheckPt::Mode checkpt_mode_{ecf::CheckPt::UNDEFINED};
    int no_of_suites_{0};

    unsigned int checkpt_{0};
    unsigned int restore_defs_from_checkpt_{0};

    unsigned int server_version_{0};
    unsigned int restart_server_{0};
    unsigned int shutdown_server_{0};
    unsigned int halt_server_{0};
    unsigned int reload_white_list_file_{0};
    unsigned int reload_passwd_file_{0};
    unsigned int ping_{0};
    unsigned int debug_server_on_{0};
    unsigned int debug_server_off_{0};
    unsigned int get_defs_{0};
    unsigned int sync_{0};
    unsigned int sync_full_{0};
    unsigned int sync_clock_{0};
    unsigned int news_{0};

    unsigned int node_job_gen_{0};
    unsigned int node_check_job_gen_only_{0};
    unsigned int node_delete_{0};
    unsigned int node_suspend_{0};
    unsigned int node_resume_{0};
    unsigned int node_kill_{0};
    unsigned int node_status_{0};
    unsigned int node_edit_history_{0};
    unsigned int node_archive_{0};
    unsigned int node_restore_{0};

    unsigned int log_cmd_{0};
    unsigned int log_msg_cmd_{0};
    unsigned int begin_cmd_{0};

    unsigned int task_init_{0};
    unsigned int task_complete_{0};
    unsigned int task_wait_{0};
    unsigned int task_abort_{0};
    unsigned int task_event_{0};
    unsigned int task_meter_{0};
    unsigned int task_label_{0};
    unsigned int task_queue_{0};

    unsigned int zombie_fob_{0};
    unsigned int zombie_fail_{0};
    unsigned int zombie_adopt_{0};
    unsigned int zombie_remove_{0};
    unsigned int zombie_get_{0};
    unsigned int zombie_block_{0};
    unsigned int zombie_kill_{0};

    unsigned int requeue_node_{0};
    unsigned int order_node_{0};
    unsigned int run_node_{0};
    unsigned int load_defs_{0};
    unsigned int replace_{0};
    unsigned int force_{0};
    unsigned int free_dep_{0};
    unsigned int suites_{0};
    unsigned int edit_script_{0};

    unsigned int alter_cmd_{0};
    unsigned int ch_cmd_{0};
    unsigned int file_ecf_{0};
    unsigned int file_job_{0};
    unsigned int file_jobout_{0};
    unsigned int file_cmdout_{0};
    unsigned int file_manual_{0};

    unsigned int plug_{0};
    unsigned int move_{0};
    unsigned int group_cmd_{0};
    unsigned int server_load_cmd_{0};
    unsigned int stats_{0};
    unsigned int check_{0};
    unsigned int query_{0};

private:
    std::deque<std::pair<int, int>> request_vec_; // pair.first =  number of requests, pair.second = poll interval

    friend class cereal::access;
    template <class Archive>
    void serialize(Archive& ar, std::uint32_t const version) {
        ar & status_;
        ar & locked_by_user_;
        ar & host_;
        ar & port_;
        ar & up_since_;
        ar & version_;
        ar & job_sub_interval_;
        ar & checkpt_interval_;
        ar & checkpt_save_time_alarm_;
        ar & checkpt_mode_;
        ar & no_of_suites_;
        ar & request_stats_;
        ar & ECF_HOME_;
        ar & ECF_CHECK_;
        ar & ECF_LOG_;
        ar & ECF_SSL_;

        ar & checkpt_;

        ar & server_version_;
        ar & restart_server_;
        ar & shutdown_server_;
        ar & halt_server_;
        ar & reload_white_list_file_;
        ar & reload_passwd_file_;
        ar & ping_;
        ar & debug_server_on_;
        ar & debug_server_off_;

        ar & get_defs_;
        ar & sync_;
        ar & sync_full_;
        ar & sync_clock_;
        ar & news_;

        ar & node_job_gen_;
        ar & node_check_job_gen_only_;
        ar & node_delete_;
        ar & node_suspend_;
        ar & node_resume_;
        ar & node_kill_;
        ar & node_status_;
        ar & node_edit_history_;
        ar & node_archive_;
        ar & node_restore_;

        ar & log_cmd_;
        ar & log_msg_cmd_;
        ar & begin_cmd_;

        ar & task_init_;
        ar & task_complete_;
        ar & task_wait_;
        ar & task_abort_;
        ar & task_event_;
        ar & task_meter_;
        ar & task_label_;
        ar & task_queue_;

        ar & zombie_fob_;
        ar & zombie_fail_;
        ar & zombie_adopt_;
        ar & zombie_remove_;
        ar & zombie_get_;
        ar & zombie_block_;
        ar & zombie_kill_;

        ar & requeue_node_;
        ar & order_node_;
        ar & run_node_;
        ar & load_defs_;
        ar & replace_;
        ar & force_;
        ar & free_dep_;
        ar & suites_;
        ar & edit_script_;

        ar & alter_cmd_;
        ar & ch_cmd_;
        ar & file_ecf_;
        ar & file_job_;
        ar & file_jobout_;
        ar & file_cmdout_;
        ar & file_manual_;

        ar & plug_;
        ar & move_;
        ar & group_cmd_;
        ar & server_load_cmd_;
        ar & stats_;
        ar & check_;
        ar & query_;
    }
};

#endif /* ecflow_base_Stats_HPP */
