from PyQt4 import QtGui
import sys

class LoginDialog(QtGui.QDialog):
    '''This is login window class'''
    def __init__(self):
        super().__init__()

        self.username = QtGui.QLineEdit()
        self.password = QtGui.QLineEdit()

        self.login = QtGui.QPushButton('Login')
        self.reset = QtGui.QPushButton('Reset')

        loginLayout = QtGui.QFormLayout()
        loginLayout.addRow("Username", self.username)
        loginLayout.addRow("Password", self.password)
        loginLayout.addRow(self.login, self.reset)

        self.login.clicked.connect(self.onlogin)
        self.reset.clicked.connect(self.onreset)
        self.setGeometry(200,200,500,300)
        self.setWindowTitle('test')
        self.setWindowIcon(QtGui.QIcon('pythonlogo.png'))

##      layout = QtGui.QVBoxLayout()
##
##      layout.addLayout(loginLayout)
##      layout.addWidget(self.buttons)
        self.setLayout(loginLayout)
        self.show()

    def onlogin(self):
        ''''When login button is pressed '''
        uname = str(self.username.text())
        pwd = str(self.password.text())
        if  uname == 'admin' and pwd == 'someone':
            self.accept()
        else:
            QtGui.QMessageBox.warning(self, 'Error', 'incorrect cred')

    def onreset(self):
        '''When reset button is called '''
        self.username.setText('')
        self.password.setText('')

class MainWindow(QtGui.QMainWindow):
    '''This is main window class'''
    def __init__(self):
        super(MainWindow, self).__init__()
        self.setGeometry(200,200,500,300)
        self.home()
        # print('yetotofnck nkdfnk')

        # self.label = QtGui.QLabel()
        # self.setCentralWidget(self.label)

        self.searchbar = QtGui.QLineEdit()
        self.searchbtn = QtGui.QPushButton('Search')
        self.logoutbtn = QtGui.QPushButton('Logout')

        self.searchbtn.clicked.connect(self.onsearch)
        self.logoutbtn.clicked.connect(self.onlogout)


        self.layout = QtGui.QFormLayout()
        self.layout.addRow(self.searchbar, self.searchbtn)
        self.layout.addRow(self.logoutbtn)

##      wlayout = QtGui.QVBoxLayout()
##      wlayout.addLayout(layout)
        self.setLayout(self.layout)

    def home(self):

        btn = QtGui.QPushButton('Logout')
        btn.clicked.connect(self.close_app)
        self.show()

    def close_app(self):

        sys.exit(-1)

    def onsearch(self):
        print('serach successful')

    def onlogout(self):
        pass

    def setusername(self, username):
        self.username = username
        self.label.setText("Username entered:%s"%self.username)

if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)

    login = LoginDialog()

    if not login.exec_():
        sys.exit(-1)

    main = MainWindow()
    main.home()
##  main.setusername(login.username.text())
##  main.show()

    sys.exit(app.exec_())