#pragma once
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#include <algorithm>
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#include <chrono>
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#include <cstddef>
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#include <iostream>
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#include <queue>
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#include <string>
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#include <unordered_map>
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#include <vector>
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namespace book
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{
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enum OrderSideEnum { Buy, Sell };
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enum ProductTypeEnum { TEST, FUTURE, SPREAD, CALL, PUT };
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struct Order {
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double price;
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OrderSideEnum side;
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int remaining_volume;
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int filled_volume;
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double timestamp;
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std::string id;
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Order(double price, OrderSideEnum side, int volume, double timestamp,
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std::string id);
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};
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struct Level {
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double price;
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int volume;
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OrderSideEnum side;
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double timestamp;
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std::string id;
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Level(Order& order);
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};
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bool operator>(const Level& a, const Level& b);
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bool operator<(const Level& a, const Level& b);
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bool operator>=(const Level& a, const Level& b);
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bool operator<=(const Level& a, const Level& b);
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bool operator==(const Level& a, const Level& b);
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std::ostream& operator<<(std::ostream& out, const Level& a);
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struct Book {
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std::unordered_map<std::string, Level> bidSide;
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std::unordered_map<std::string, Level> askSide;
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ProductTypeEnum productType;
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std::string product;
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int stationId;
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std::string unit;
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std::chrono::nanoseconds expiry;
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double aggFee;
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double pasFee;
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double broFee;
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double bomPrice;
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Book();
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Book(ProductTypeEnum productType, std::string product, int stationId,
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std::string unit, std::chrono::nanoseconds expiry, double aggFee,
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double pasFee, double broFee);
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void ask(Order& order);
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void bid(Order& order);
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void printBook(std::size_t numOrders = 10);
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};
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Book testBook(int orders = 10, bool printBook = true);
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} // namespace book
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