csv-signal-saver.hpp

#ifndef CSV_SIGNAL_SAVER_HPP
#define CSV_SIGNAL_SAVER_HPP
#include "abstract-file-signal-saver.hpp"

class CsvSignalSaver final : public AbstractFileSignalSaver {
public:
    /**
     * Save the signal to a CSV file.
     *
     * The file is saved in the following format:
     * real1,imag1
     * real2,imag2
     * ...
     * So the real and imaginary parts of each sample are separated by a comma.
     *
     * The output filename will be the given filePath with the current timestamp and the csv extension.
     * So if the filePath is "output/signal", the output file will be "output/signal_20241201_123456.csv":
     * - "output/signal" is the filePath
     * - "20241201" is the date in the format YYYYMMDD (year, month, day)
     * - "123456" is the time in the format HHMMSS (hour, minute, second)
     * @param signal The signal to save.
     * @param filePath The file path where the signal will be saved. It shouldn't contain the extension.
     * @throws std::runtime_error if the file can't be opened.
     */
    void saveToFile(const std::vector<std::complex<double>>& signal, const std::string& filePath) const override;

    /**
     * Get the extension of the file created by this class.
     * @return The csv extension.
     */
    [[nodiscard]] const std::string &getExtension() const override;
};

#endif //CSV_SIGNAL_SAVER_HPP