#pragma once

#include <map>
#include <string>
#include <exception>

class BitcoinExchange
{
public:
	// Constructors
	BitcoinExchange() = delete;
	BitcoinExchange(const std::string &data_file);

	// Copy constructor and copy assignment operator
	BitcoinExchange(const BitcoinExchange &other);
	BitcoinExchange &operator=(const BitcoinExchange &other);

	// Move constructor and move assignment operator
	BitcoinExchange(BitcoinExchange &&other) noexcept;
	BitcoinExchange &operator=(BitcoinExchange &&other) noexcept;

	// Destructor
	~BitcoinExchange();

	void loadInputFile(const std::string &filename);

	class FileNotFoundException : public std::exception
	{
	public:
		virtual const char *what() const noexcept;
	};

	class LineFormatException : public std::exception
	{
	public:
		virtual const char *what() const noexcept;
	};

	class ValueNegativeException : public std::exception
	{
	public:
		virtual const char *what() const noexcept;
	};

	class ValueTooLargeException : public std::exception
	{
	public:
		virtual const char *what() const noexcept;
	};

	class DateInvalidException : public std::exception
	{
	public:
		virtual const char *what() const noexcept;
	};

private:
	std::map<long, float>
		_data;
	long getTimestamp(const std::string &date) const;
	void loadDataFile(const std::string &filename);
	float getRate(long timestamp) const;
	float getValue(long timestamp, float amount) const;
};