import time
from datetime import datetime, date

include("kernel")
include("arch")
include("hal")

@Term("Kernel Version")
@ReadOnly
def lunaix_ver():
    """
    Lunaix kernel version
    """

    type(str)
    
    today = date.today()
    year = today.year
    start_of_year = datetime(year, 1, 1).date()
    seq_num = (today - start_of_year).days
    
    default("%s v0.%d%d"%(v(arch), year - 2000, seq_num))

@Collection("Kernel Debug and Testing")
def debug_and_testing():
    """
    General settings for kernel debugging feature
    """

    @Term("Supress assertion")
    def no_assert():
        """
        Supress all assertion fail activity.
        Note: Enable this is highly NOT recommended and would result system
              extermly unstable
        """
        type(bool)
        default(False)

    @Term("Report on stalled thread")
    def check_stall():
        """
        Check and report on any thread that spend too much time in kernel.
        """

        type(bool)
        default(True)
        
    @Term("Max kernel time allowance")
    def stall_timeout():
        """
        Set the maximum time (in seconds) spent in kernel before considered
        to be stalled.
        """

        type(int)
        default(10)

        return v(check_stall)
    
    @Term("Max number of preemptions")
    def stall_max_preempts():
        """
        Set the maximum number of preemptions that a task can take
        before it is considered to be stucked in some loops.

        Setting it to 0 disable this check
        """

        type(int)
        default(0)

        return v(check_stall)