#include "Log.h"
#include "fs/VFS.h"
#include "memory/MemoryManager.h"
#include "sys/Syscall.h"
#include "thread/Scheduler.h"
#include <bits/makedev.h>
#include <luna/PathParser.h>

Result<u64> sys_mknod(Registers*, SyscallArgs args)
{
    auto path = TRY(MemoryManager::strdup_from_user(args[0]));
    mode_t mode = (mode_t)args[1];
    dev_t dev = (dev_t)args[2];

    u32 maj = luna_dev_major(dev);
    u32 min = luna_dev_minor(dev);

    kdbgln("mknod: attempting to create device %u:%u in path %s", maj, min, path.chars());

    auto parser = TRY(PathParser::create(path.chars()));

    auto dirname = TRY(parser.dirname());
    auto basename = TRY(parser.basename());

    auto parent = TRY(VFS::resolve_path(dirname.chars()));

    auto inode = TRY(parent->fs().create_device_inode(maj, min));
    TRY(parent->add_entry(inode, basename.chars()));

    TRY(inode->chmod(mode));

    return 0;
}