#ifndef STATICSTACK_H
#define STATICSTACK_H

#include "Exception.h"
#include "Stack.h"

namespace Kylin {
template <typename T, size_t N>
class StaticStack : public Stack<T> {
public:
    virtual void push(const T &value) {
        if (m_size >= N) THROW_EXCEPTION(InvalidOperationException, "There is no space to push element...");
        m_array[m_size] = value;
        m_size++;
    }

    T pop() final {
        if (m_size <= 0) THROW_EXCEPTION(InvalidOperationException, "There is no element in stack...");
        auto value = top();
        m_size--;
        return value;
    }

    virtual T &top() {
        if (m_size <= 0) THROW_EXCEPTION(InvalidOperationException, "There is no element in stack...");
        return m_array[m_size - 1];
    }

    virtual void clear() { m_size = 0; }

    virtual size_t size() const { return m_size; }

    size_t capacity() const { return N; }

protected:
    T m_array[N];
    size_t m_size = 0;
};
} // namespace Kylin
#endif // STATICSTACK_H