// Native userspace process-loader declarations.

#pragma once

#include <stdint.h>
#include <ntlite/handle.h>
#include <ntlite/status.h>
#include <ntlite/string_view.h>
#include <ntlite/pe_loader.h>
#include <ntlite/module_loader.h>

#define NTL_PROCESS_LOAD_FLAG_NONE 0x00000000u

// Describes one source capability to duplicate into a constructing child.
typedef struct NTL_PROCESS_STARTUP_CAPABILITY {
    uint32_t Tag;
    SYS_HANDLE SourceHandle;
    SYS_RIGHTS DesiredRights;
    uint32_t DuplicateFlags;
} NTL_PROCESS_STARTUP_CAPABILITY;

// Creates and starts one PE32+ process entirely through the userspace image loader.
typedef struct NTL_CREATE_PROCESS_AT_REQUEST {
    uint32_t Size;
    uint32_t Flags;
    SYS_HANDLE RootHandle;
    SYS_STRING_VIEW Path;
    SYS_STRING_VIEW CommandLine;
    // Empty inherits the caller's userspace CWD; non-empty is normalized as a native resource path.
    SYS_STRING_VIEW CurrentDirectory;
    SYS_HANDLE SecurityContext;
    SYS_HANDLE ModuleRootHandle;
    SYS_STRING_VIEW ModuleDirectory;
    NTL_MODULE_NAME_RESOLVER ResolveModuleName;
    void* ResolveContext;
    const NTL_PROCESS_STARTUP_CAPABILITY* StartupCapabilities;
    uint32_t StartupCapabilityCount;
    SYS_HANDLE* ProcessHandleOut;
} NTL_CREATE_PROCESS_AT_REQUEST;

// Creates one process beneath the globally published /SystemRoot volume. Path remains a
// canonical volume-relative native path; RSSRV is used only to obtain the volume capability.
typedef struct NTL_CREATE_SYSTEM_PROCESS_REQUEST {
    uint32_t Size;
    uint32_t Flags;
    // Optional pre-opened executable file. When supplied, Path is diagnostic/PEB identity only.
    SYS_HANDLE ImageFile;
    SYS_STRING_VIEW Path;
    SYS_STRING_VIEW CommandLine;
    // Empty inherits the caller's userspace CWD; non-empty is normalized as a native resource path.
    SYS_STRING_VIEW CurrentDirectory;
    SYS_HANDLE SecurityContext;
    NTL_MODULE_NAME_RESOLVER ResolveModuleName;
    void* ResolveContext;
    const NTL_PROCESS_STARTUP_CAPABILITY* StartupCapabilities;
    uint32_t StartupCapabilityCount;
    SYS_HANDLE* ProcessHandleOut;
} NTL_CREATE_SYSTEM_PROCESS_REQUEST;

#if defined(NTL_SYSCALL_STATIC)
#define NTL_PROCESS_LOADER_API
#elif defined(NTL_SYSCALL_BUILD)
#define NTL_PROCESS_LOADER_API __declspec(dllexport)
#else
#define NTL_PROCESS_LOADER_API
#endif

NTL_PROCESS_LOADER_API KSTATUS NtlCreateProcessAt(const NTL_CREATE_PROCESS_AT_REQUEST* request);
NTL_PROCESS_LOADER_API KSTATUS NtlCreateSystemProcess(const NTL_CREATE_SYSTEM_PROCESS_REQUEST* request);

#undef NTL_PROCESS_LOADER_API