#include <cstdio>
#include <cmath>
#include <cstdint>
#include <cstdlib>
#include <drogon/drogon.h>
#include "period_list.h"

period_list::period_list()
{
    this->periods = (period**)malloc(0);
    this->length = 0;
}

period_list::period_list(const uint16_t* periods_blob)
{
    this->length = periods_blob[0];
    this->periods = (period**)malloc(sizeof(period*) * this->length);

    for(int i = 0; i < length; i++)
    {
        auto new_period = new period(periods_blob[(i * 2) + 1], periods_blob[(i * 2) + 2]);
        periods[i] = new_period;
    }
}

period_list::period_list(period **periods, uint16_t length)
{
    this->periods = periods;
    this->length = length;
}

period_list::~period_list()
{
    for(int i = 0; i < length; i++)
    {
        delete this->periods[i];
    }
    free(this->periods);
}

void
period_list::add_period(uint16_t start, uint16_t end)
{
    this->length++;
    this->periods = (period**)realloc(this->periods, sizeof(period*) * this->length);
    this->periods[this->length - 1] = new period(start, end);
}

Json::Value
period_list::to_json()
{
    Json::Value result(Json::arrayValue);
    for(int i = 0; i < this->length; i++)
    {
        result.append(this->periods[i]->to_json());
    }
    return result;
}

uint16_t*
period_list::to_db_blob()
{
    auto result = (uint16_t*)malloc(sizeof(uint16_t) * ((this->length * 2) + 1));

    result[0] = this->length;

    for(int i = 0; i < this->length; i++)
    {
        result[(i * 2) + 1] = this->periods[i]->start;
        result[(i * 2) + 2] = this->periods[i]->end;
    }
    return result;
}