from test.helpers.int_registers import get_die_id
from test.helpers.int_registers import get_mac
from subprocess import call
import os
import unittest
from test.helpers.testsrv_db import TestSrv_Database
from test.helpers.setup_xml import XMLSetup
from test.runners.simple import SimpleTestRunner
from test.helpers.syscmd import TestSysCommand
from test.tests.qethernet import Qethernet
from test.tests.qaudio import Qaudio
from test.tests.qram import Qram
from test.tests.qusb import Qusb
from test.tests.qi2c import Qi2c
from test.tests.qeeprom import Qeeprom
from test.tests.qserial import Qserial
from test.tests.qwifi import Qwifi
from test.tests.qrtc import Qrtc
from test.tests.qduplex_ser import Qduplex
from test.tests.qamper import Qamper
from test.tests.qnand import Qnand
from test.helpers.globalVariables import globalVar
import socket
from test.helpers.iseelogger import ISEE_Logger
import logging
import binascii
from test.flashers.flasher import flash

# global variables
psdbObj = TestSrv_Database()
xmlObj = None
loggerObj = None


# define clear function
def clear():
    # check and make call for specific operating system
    _ = call('clear' if os.name == 'posix' else 'cls')


def create_paramslist(params):
    paramlist = {}
    for row in params:
        varname, varvalue = row
        paramlist[varname] = varvalue
    return paramlist


def add_test_task(suite, testdefname, paramlist):
    if testdefname == "AUDIO":
        suite.addTest(Qaudio(testdefname, "execute", paramlist))
    elif testdefname == "RAM":
        suite.addTest(Qram(testdefname, "execute", paramlist))
    elif testdefname == "SERIALDUAL":
        suite.addTest(Qduplex(testdefname, "execute", paramlist))
    elif testdefname == "EEPROM":
        suite.addTest(Qeeprom(testdefname, "execute", paramlist))
    elif testdefname == "SERIAL":
        suite.addTest(Qserial(testdefname, "execute", paramlist))
    elif testdefname == "RTC":
        suite.addTest(Qrtc(testdefname, "execute", paramlist))
    elif testdefname == "CONSUMPTION":
        suite.addTest(Qamper(testdefname, "execute", paramlist))
    elif testdefname == "DMESG":
        suite.addTest(TestSysCommand(testdefname, "execute", paramlist))
    elif testdefname == "ETHERNET":
        suite.addTest(Qethernet(testdefname, "execute", paramlist))
    elif testdefname == "NAND":
        suite.addTest(Qnand(testdefname, "execute", paramlist))
    elif testdefname == "I2C":
        suite.addTest(Qi2c(testdefname, "execute", paramlist))
    elif testdefname == "WIFI":
        suite.addTest(Qwifi(testdefname, "execute", paramlist))
    elif testdefname == "USB":
        suite.addTest(Qusb(testdefname, "execute", paramlist))
    else:
        raise Exception("Wrong testdefname")


def create_testsuite():
    # create an object TestSuite
    suite = unittest.TestSuite()
    # get id of the full test for this board
    globalVar.testid_ctl = psdbObj.open_test(globalVar.g_uuid)
    # get list of tests for this board
    tests = psdbObj.get_tests_list(globalVar.g_uuid)
    # loop in every test for this board
    for row in tests:
        testid, testdefname = row
        # get params for this test
        params = psdbObj.get_test_params_list(testid)
        paramlist = create_paramslist(params)
        # add the testid as parameter
        paramlist["testid"] = testid
        paramlist["boarduuid"] = globalVar.g_uuid
        paramlist["testidctl"] = globalVar.testid_ctl
        # add test to TestSuite
        add_test_task(suite, testdefname, paramlist)

    return suite


def create_board():
    model_id = xmlObj.gettagKey('board', 'model')
    variant = xmlObj.gettagKey('board', 'variant')

    # get model id
    globalVar.g_mid = model_id + "-" + variant

    # get station
    globalVar.station = socket.gethostname()

    processor_id = get_die_id(globalVar.g_mid)
    print(globalVar.g_mid)
    print(processor_id)
    globalVar.g_uuid = psdbObj.create_board(processor_id, model_id, variant, globalVar.station,
                                            get_mac(globalVar.g_mid))


def program_eeprom(eeprompath):
    print("Start programming Eeprom...")
    # check if eeprompath is correct
    if os.path.isfile(eeprompath):
        # create u-boot data struct
        data = bytearray()
        data += (2029785358).to_bytes(4, 'big')  # magicid --> 0x78FC110E
        data += bytearray([0, 0, 0, 0])  # crc32 = 0
        data += bytearray(globalVar.g_uuid + "\0",
                          'ascii')  # uuid --> 'c0846c8a-5fa5-11ea-8576-f8b156ac62d7' and \0 at the end
        mac0 = get_mac(globalVar.g_mid)
        data += binascii.unhexlify(mac0.replace(':', ''))  # mac0 --> 'f8:b1:56:ac:62:d7'
        data += bytearray([0, 0, 0, 0, 0, 0])  # mac1 --> 0:0:0:0:0:0
        # calculate crc
        crc = (binascii.crc32(data, 0)).to_bytes(4, 'big')
        data[4:8] = crc
        # write into eeprom and read back
        f = open(eeprompath, "r+b")
        f.write(data)
        f.seek(0)
        data_rx = f.read(57)
        for i in range(57):
            if data_rx[i] != data[i]:
                print("Error while programming eeprom memory.")
                return 1
        print("Eeprom programmed succesfully.")
        return 0
    else:
        print("eeprom memory not found.")
        return 1


def create_boardvariables_list(uuid):
    varlist = {}
    for row in psdbObj.get_board_variables(globalVar.g_uuid):
        varname, varvalue = row
        varlist[varname] = varvalue
    return varlist


def main():
    # initialize the board
    create_board()
    # create and run tests according to the board type
    runner = SimpleTestRunner(psdbObj)
    testresult = runner.run(create_testsuite())
    # execute aditional tasks, only if the test was succesfull
    if testresult.wasSuccessful():
        varlist = create_boardvariables_list(globalVar.g_uuid)
        program_eeprom(varlist["eeprompath"])
        flash(globalVar.g_mid)


if __name__ == "__main__":
    # Clear the shell screen
    clear()

    # create logger
    loggerObj = ISEE_Logger(logging.INFO)
    # logger = loggerObj.getlogger().info("Starting test script...")

    # Try to parse the setup.xml file
    try:
        xmlObj = XMLSetup("setup.xml")
    except:
        print("Error: Cannot parse setup.xml file")
        exit(1)

    # Try to connect to the DB, according to setup.xml configuration
    if psdbObj.open(xmlObj):
        main()
    else:
        print("Error: Cannot open DB connection")
        exit(2)