#!/usr/bin/env python3

r"""
Check for stop conditions.  Return code of 2 if stop conditions are found.
"""

import sys
import subprocess
import os
import re

from gen_print import *
from gen_valid import *
from gen_arg import *
from gen_misc import *
from gen_cmd import *
from gen_plug_in_utils import *
from gen_call_robot import *

# Set exit_on_error for gen_valid functions.
set_exit_on_error(True)

# Initialize default plug-in parms..
STOP_REST_FAIL = 0
STOP_COMMAND = ''
stop_test_rc = 2
STOP_VERIFY_HARDWARE_FAIL = 0


# Create parser object to process command line parameters and args.
parser = argparse.ArgumentParser(
    usage='%(prog)s [OPTIONS]',
    description="If the \"Stop\" plug-in is selected by the user, %(prog)s" +
    " is called by OBMC Boot Test after each boot test.  If %(prog)s returns" +
    " " + str(stop_test_rc) + ", then OBMC Boot Test will stop.  The user" +
    " may set environment variable STOP_COMMAND to contain any valid bash" +
    " command or program.  %(prog)s will run this stop command.  If the stop" +
    " command returns non-zero, then %(prog)s will return " +
    str(stop_test_rc) + ".  %(prog)s recognizes some special values for" +
    " STOP_COMMAND: 1) \"FAIL\" means that OBMC Boot Test should stop" +
    " whenever a boot test fails. 2) \"ALL\" means that OBMC Boot Test" +
    " should stop after any boot test.  If environment variable" +
    " STOP_REST_FAIL is set, OBMC Boot Test will stop if REST commands are" +
    " no longer working.",
    formatter_class=argparse.ArgumentDefaultsHelpFormatter,
    prefix_chars='-+')

# The stock_list will be passed to gen_get_options.  We populate it with the names of stock parm options we
# want.  These stock parms are pre-defined by gen_get_options.
stock_list = [("test_mode", get_plug_default("test_mode", 0)),
              ("quiet", get_plug_default("quiet", 0)),
              ("debug", get_plug_default("debug", 0))]


def exit_function(signal_number=0,
                  frame=None):
    r"""
    Execute whenever the program ends normally or with the signals that we catch (i.e. TERM, INT).

    This function will be called by gen_exit_function().
    """

    process_robot_output_files()


def validate_parms():
    r"""
    Validate program parameters, etc.

    This function will be called by gen_setup().
    """

    get_plug_vars()


def stop_check():
    r"""
    Stop this program with the stop check return code.
    """

    if MASTER_PID != PROGRAM_PID:
        save_plug_in_value(stop_check_rc=stop_test_rc)
    exit(stop_test_rc)


def rest_fail():
    r"""
    If STOP_REST_FAIL, then this function will determine whether REST commands to the target are working.  If
    not, this function will stop the program by returning stop_test_rc.
    """

    if not STOP_REST_FAIL:
        return

    REDFISH_SUPPORT_TRANS_STATE = int(os.environ.get('REDFISH_SUPPORT_TRANS_STATE', 0)) or \
        int(os.environ.get('AUTOBOOT_REDFISH_SUPPORT_TRANS_STATE', 0))

    if REDFISH_SUPPORT_TRANS_STATE:
        interface = "redfish"
    else:
        interface = "rest"

    print_timen("Checking to see whether %s commands are working." % interface)
    init_robot_out_parms(get_plug_in_package_name() + "." + pgm_name + ".")
    lib_file_path = init_robot_file_path("lib/utils.robot") + ":" \
        + init_robot_file_path("lib/gen_robot_print.py")
    set_mod_global(lib_file_path)
    timeout = '0 seconds'
    interval = '1 second'
    keyword_string = "${match_state}=  Create Dictionary  %s=1 ;" % interface +\
        " ${state}=  Wait State  ${match_state}  " + timeout + "  " +\
        interval + "  quiet=${1} ; Rpvar  state"
    set_mod_global(keyword_string)
    cmd_buf = create_robot_cmd_string("extended/run_keyword.robot", OPENBMC_HOST, SSH_PORT, HTTPS_PORT,
                                      REST_USERNAME, REST_PASSWORD, OPENBMC_USERNAME, OPENBMC_PASSWORD,
                                      REDFISH_SUPPORT_TRANS_STATE, keyword_string, lib_file_path, quiet,
                                      test_mode, debug, outputdir, output, log, report, loglevel)
    if not robot_cmd_fnc(cmd_buf):
        print_timen("The caller wishes to stop test execution if %s commands are failing." % interface)
        stop_check()
    print_timen("%s commands are working so no reason as of yet to stop the test." % interface)


def esel_stop_check():
    r"""
    Run the esel_stop_check program to determine whether any eSEL entries found warrant stopping the test
    run.  See esel_stop_check help text for details.
    """

    if STOP_ESEL_STOP_FILE_PATH == "":
        return

    cmd_buf = "esel_stop_check --esel_stop_file_path=" + STOP_ESEL_STOP_FILE_PATH
    shell_rc, out_buf = shell_cmd(cmd_buf, show_err=0)
    if shell_rc == stop_test_rc:
        print_timen("The caller wishes to stop test execution based on the presence of certain esel entries.")
        stop_check()


def pel_stop_check():
    r"""
    Determine whether any PEL entries found warrant stopping the test
    run.
    """

    if STOP_PEL_STOP_FILE_PATH == "":
        return

    pel_txt_file_path = os.environ.get("AUTOBOOT_FFDC_DIR_PATH", "") + \
     os.environ.get("AUTOBOOT_FFDC_PREFIX", "") + "PEL_logs_list.json"

    if not os.path.isfile(pel_txt_file_path):
        qprint_timen("The following file was not present so no further" +
                     " action will be taken.")
        qprint_var(pel_txt_file_path)
        return

    default_stop_dir_path = "/afs/rchland.ibm.com/projects/esw/dvt/"

    # If pel_stop_file_path is unqualified and cannot be found, pre-pend
    # default_stop_dir_path for the user.
    pel_stop_file_path = os.environ.get("STOP_PEL_STOP_FILE_PATH", "")
    if not os.path.isfile(pel_stop_file_path) and \
       os.path.isfile(default_stop_dir_path + pel_stop_file_path):
        pel_stop_file_path = default_stop_dir_path + pel_stop_file_path
        qprint_timen("Using default stop file path.")
        qprint_var(pel_stop_file_path)

    # First, read the file in and convert it to a list.
    pel_stop_list = file_to_list(pel_stop_file_path, newlines=0, comments=0)

    if len(pel_stop_list) == 0:
        print_timen("There are no records to process in " +
                    pel_stop_file_path + ".")
        return

    pel_all_list = file_to_list(pel_txt_file_path, newlines=0, comments=0)

    if len(pel_all_list) == 0:
        print_timen("There are no records to process in " +
                    pel_txt_file_path + ".")
        return

    for stop_pel in pel_stop_list:
        for pel_all in pel_all_list:
            pel_match = re.search(".*SRC.*" + stop_pel + ".*", pel_all)
            if pel_match:
                print_timen("The caller wishes to stop test execution based on the presence of certain PEL entries.")
                stop_check()


def main():

    gen_setup()

    print_plug_in_header()

    if STOP_COMMAND.upper() == "FAIL":
        if AUTOBOOT_BOOT_SUCCESS == "0":
            print_timen("The caller wishes to stop after each boot failure.")
            stop_check()
    elif STOP_COMMAND.upper() == "ALL":
        print_timen("The caller wishes to stop after each boot test.")
        stop_check()
    elif len(STOP_COMMAND) > 0:
        shell_rc, out_buf = shell_cmd(STOP_COMMAND, quiet=quiet, show_err=0)
        if shell_rc != 0:
            print_timen("The caller wishes to stop test execution.")
            stop_check()

    rest_fail()

    esel_stop_check()

    pel_stop_check()

    if STOP_VERIFY_HARDWARE_FAIL:
        hardware_error_found = restore_plug_in_value(0, 'Verify_hardware')
        if hardware_error_found:
            print_timen("The caller wishes to stop test execution when the Verify_hardware plug-in detects a"
                        + " hardware error.")
            stop_check()

    qprint_timen("The caller does not wish to stop the test run.")


main()