#include <eqpalg/algs/bound_alg.h>
#include <eqpalg/feature_extraction/daa.h>
#include <eqpalg/utility/build_alarm_info.h>
#include <shm/RuleStatShm.h>

BoundAlg::BoundAlg(const std::string& name, const mix_cc::json& rule_json,
                   const std::string& ruleId, size_t exp_type)
    : ExpBase(name, rule_json, ruleId, exp_type) {
    logger_.reset(new LOG("BoundAlg:" + rule_name_, AUTO_CATCH_PID));
}

BoundAlg::~BoundAlg() = default;

int BoundAlg::init() {
    int ret = ExpBase::init();
    if (ret == 0) {
        exp_is_wrong_ = false;
    }
    return ret;
}

void BoundAlg::doInitExtend() {
    // BoundAlg 额外的初始化：上下限
    reload_config_up_down();
    reload_ci_dist();
    last_load_time_ = std::chrono::system_clock::now();
    stat_collector_.configure(rule_id_, rule_name_, dist_mode_, is_learning_);
}

bool BoundAlg::checkFilter() {
    if (!expr_engine_->exps_.count("feedback")) {
        return true;  // 无筛选表达式，所有数据参与
    }
    try {
        return expr_engine_->evaluateBool("feedback");
    } catch (...) {
        return false;
    }
}

AlarmInfo BoundAlg::doMonProc() {
    double result_value = expr_engine_->evaluate("act");
    filter_flag_ = false;

    // 数据筛选
    filter_flag_ = checkFilter();

    // 自学习统计
    if (is_learning_ && filter_flag_) {
        rule_stat_.current_value = result_value;
        SingletonTemp<EqpStat>::GetInstance().add_stat_values(rule_id_, result_value);
    }

    // 超限检测
    if (filter_flag_ && bound_checker_.isOutOfBounds(result_value)) {
        rule_stat_.alarm_value = result_value;
        auto msg = error_str_ + ":" + DAA::double2str(result_value) + unit_ +
                   ",合理区间:[" + DAA::double2strLimit(bound_checker_.limitDown()) +
                   "," + DAA::double2strLimit(bound_checker_.limitUp()) + "]" + unit_;
        query_time_range_.set_left(query_time_range_.get_right() - delay_time_);
        expr_engine_->markFunVarsNeedReset();
        return utility::build_alarm_info(MsgLevel::ERROR, rule_id_, rule_name_,
                                         "EXP2", msg, get_alarm_time());
    }
    return AlarmInfo{};
}