#include "datasave.h"

void save_history(const PSRAMVector<ignitionBoxStatus> &history)
{
    // Initialize SPIFFS
    if (!SPIFFS.begin(true))
    {
        LOG_ERROR("Failed to mount SPIFFS");
        LOG_ERROR("5 seconds to restart...");
        vTaskDelay(pdMS_TO_TICKS(5000));
        esp_restart();
    }
    else
    {
        LOG_INFO("SPIFFS mounted successfully");
        return;
    }

    std::ofstream ofs("/spiffs/ignA_history.csv", std::ios::out | std::ios::trunc);
    if (ofs.fail())
    {
        LOG_ERROR("Failed to open file for writing");
        return;
    }

    //write csv header
    ofs << "TS,\
    EVENTS_12,DLY_12,STAT_12,V_12_1,V_12_2,V_12_3,V_12_4,IGNITION_MODE_12,\
    EVENTS_34,DLY_34,STAT_34,V_34_1,V_34_2,V_34_3,V_34_4,IGNITION_MODE_34,\
    ENGINE_RPM,ADC_READTIME,N_QUEUE_ERRORS";
    for (auto &entry : history)
    {
        ofs << std::to_string(entry.timestamp) << ","
            << std::to_string(entry.coils12.n_events) << ","
            << std::to_string(entry.coils12.spark_delay) << ","
            << std::string(sparkStatusNames.at(entry.coils12.spark_status)) << ","
            << std::to_string(entry.coils12.peak_p_in) << ","
            << std::to_string(entry.coils12.peak_n_in) << ","
            << std::to_string(entry.coils12.peak_p_out) << ","
            << std::to_string(entry.coils12.peak_n_out) << ","
            << std::string(softStartStatusNames.at(entry.coils12.sstart_status)) << ","
            << std::to_string(entry.coils34.n_events) << ","
            << std::to_string(entry.coils34.spark_delay) << ","
            << std::string(sparkStatusNames.at(entry.coils34.spark_status)) << ","
            << std::to_string(entry.coils34.peak_p_in) << ","
            << std::to_string(entry.coils34.peak_n_in) << ","
            << std::to_string(entry.coils34.peak_p_out) << ","
            << std::to_string(entry.coils34.peak_n_out) << ","
            << std::string(softStartStatusNames.at(entry.coils34.sstart_status)) << ","
            << std::to_string(entry.eng_rpm) << ","
            << std::to_string(entry.adc_read_time) << ","
            << std::to_string(entry.n_queue_errors);
        ofs << std::endl;
    }
    auto written_bytes = ofs.tellp();
    ofs.flush();
    ofs.close();
    LOG_INFO("Ignition A history saved to SPIFFS, bytes written: ", (uint32_t)written_bytes);
    SPIFFS.end(); // unmount SPIFFS to ensure data is written and avoid corruption on next mount
}