#pragma once

#include <cstdint>

#include <trampoline/types.h>

// Common
struct Trampoline {
    virtual ~Trampoline() = default;
    // Error Codes
    enum class Error : uint32_t {
        NONE = 0,
        // Generic
        COMMAND_TOO_BIG,
        // System Call
        SYSCALL,
        // Pipe
        MISSING_PIPE,
        INVALID_PIPE,
        PIPE_WRITE,
        PIPE_READ
    };
    // Call
    virtual Error call(uint32_t id, uint32_t *ret_ptr, uint32_t length, const unsigned char *args) = 0;
};

// Syscall Method
struct SyscallTrampoline final : Trampoline {
    static bool should_use();
    Error call(uint32_t id, uint32_t *ret_ptr, uint32_t length, const unsigned char *args) override;
};

// Pipe Method
struct PipeTrampoline final : Trampoline {
    PipeTrampoline();
    Error call(uint32_t id, uint32_t *ret_ptr, uint32_t length, const unsigned char *args) override;
private:
    Error status;
    int arguments_pipe;
    int return_value_pipe;
};