#include"headers/Park_time.h"
#include <iostream>
#include <ctime>


Park_time::Park_time(int c_id, int s_id)
    : customer_id { c_id }
    , spot_id { s_id }
    , duration { 0 }
    , start { high_resolution_clock::now() }
    , id {auto_increment_db() + 1}
{
    save_db();
}

void Park_time::clock_out(int c_id, int s_id)
{

    if (c_id != customer_id) {
        std::cout << "wrong customer id, you are at the wrong location";
        return;
    }
    if (s_id != spot_id) {
        std::cout << "Wrong spot id, you're at the wrong location";
        return;
    }

    if (!duration) {
        end = high_resolution_clock::now();
        duration = duration_cast<seconds>(end - start).count(); // use mins later
        update_db();

    } else {
        std::cout << "Already clocked out. Something is wrong \n";
    }
}


std::ostream& operator<<(std::ostream& os, const Park_time & pt){
    std::time_t start_ = system_clock::to_time_t(pt.start);
    std::time_t end_ = system_clock::to_time_t(pt.end);
    os << "- - - - - - - - - - - - - - - - - - - -\n";
    os << "Clocked in :" << std::ctime(&start_);
    os << "clocked out : " << std::ctime(&end_);
    os << "duration : " << pt.duration << "\n";
    os << "- - - - - - - - - - - - - - - - - - - -\n";
    return os;
}


int Park_time::start_to_int(){
    auto start_to_epoch = start.time_since_epoch();
    auto start_value = std::chrono::duration_cast<std::chrono::seconds>(start_to_epoch);
    int start_seconds = start_value.count();
    return start_seconds;
}

// db funcs -----------------------------------------------------------------------------



void Park_time::save_db() {
    string statement{"insert into Park_time values ( , , , , , );"};
    statement.insert(41, "NULL");
    statement.insert(39, "NULL");
    statement.insert(37, to_string(start_to_int()) );
    statement.insert(35, to_string(spot_id));
    statement.insert(33, to_string(customer_id));
    statement.insert(31, to_string(id));
    SQLite::Transaction transaction(data::db);
    data::db.exec(statement);
    transaction.commit();
}

void Park_time::update_db() {
    string statement = "UPDATE Park_time SET end = , duration =  where id = '';";
    statement.insert(53, std::to_string(id));
    statement.insert(40, to_string(duration));
    statement.insert(27, to_string(start_to_int() + duration));
    data::db.exec(statement);
}


// to get id on first save to db
int Park_time::auto_increment_db() {
    SQLite::Statement max_id(data::db, "select max(id) from Park_time;");
    int id = 0;
    max_id.executeStep();
    id = max_id.getColumn(0);
    max_id.reset();
    return id;
}