from ui import RootPanel, TextArea, Label, Button, HTML, VerticalPanel, HorizontalPanel, ListBox, TextBox
from JSONService import JSONProxy

class email:
    def onModuleLoad(self):
        self.TEXT_WAITING = "Please wait..."
        self.TEXT_ERROR = "Server Error"

        self.remote_py = EchoServicePython()

        self.status=Label()
        self.subject = TextBox()
        self.subject.setVisibleLength(60)
        self.sender = TextBox()
        self.sender.setVisibleLength(40)
        self.message = TextArea()
        self.message.setCharacterWidth(60)
        self.message.setVisibleLines(15)
        
        self.button_py = Button("Send", self)

        buttons = HorizontalPanel()
        buttons.add(self.button_py)
        buttons.setSpacing(8)
        
        panel = VerticalPanel()
        panel.add(HTML("Subject:"))
        panel.add(self.subject)
        panel.add(HTML("From:"))
        panel.add(self.sender)
        panel.add(HTML("Your Message - please keep it to under 1,000 characters"))
        panel.add(self.message)
        panel.add(buttons)
        panel.add(self.status)
        
        RootPanel().add(panel)

    def onClick(self, sender):
        self.status.setText(self.TEXT_WAITING)
        text = self.message.getText()
        msg_sender = self.sender.getText()
        msg_subject = self.subject.getText()

        # demonstrate proxy & callMethod()
        if sender == self.button_py:
            id = self.remote_py.send(msg_sender, msg_subject, text, self)
        if id<0:
            self.status.setText(self.TEXT_ERROR)

    def onRemoteResponse(self, response, request_info):
        self.status.setText(response)

    def onRemoteError(self, code, message, request_info):
        self.status.setText("Server Error or Invalid Response: ERROR " + code + " - " + message)


class EchoServicePython(JSONProxy):
    def __init__(self):
        JSONProxy.__init__(self, "/services/email.py", ["send"])