import unittest
import os
from org.libreoffice.unotest import UnoInProcess
from com.sun.star.text.ControlCharacter import PARAGRAPH_BREAK

class TestVarFields(unittest.TestCase):
    _uno = None
    _xDoc = None

    @classmethod
    def setUpClass(cls):
        cls._uno = UnoInProcess()
        cls._uno.setUp()
        cls._xDoc = cls._uno.openEmptyWriterDoc()

    @classmethod
    def tearDownClass(cls):
        cls._uno.tearDown()

    def test_var_fields(self):
        """Reproduce fdo#55814.

        Note: this test was migrated from java (the steps numbering too)
        sw/qa/complex/writer/VarFields.java

        """
        xDoc = self.__class__._xDoc
        xBodyText = xDoc.getText()
        xCursor = xBodyText.createTextCursor()
        # 0. create text field
        xField = xDoc.createInstance("com.sun.star.text.textfield.SetExpression")
        # 1. fill it with properties
        self.__class__._uno.setProperties(xField,
                          {"Content": "0",
                           "IsVisible": True,
                           "Hint": "trying to reproduce fdo#55814",
                           "SubType": 0, # VAR
                           "Value": 0.0
                           })
        # 2. create master field
        xMaster = xDoc.createInstance("com.sun.star.text.fieldmaster.SetExpression")
        # 3. set name of the master field to "foo"
        xMaster.setPropertyValue("Name", "foo")
        # 4. get Dependent Field
        # no op in python ;-)
        # 5. connect real field to the master
        xField.attachTextFieldMaster(xMaster)
        # 6. insert text field into the document
        xBodyText.insertTextContent(xCursor, xField, False)
        # 7. retrieve paragraph cursor
        xParagraphCursor = xCursor
        xParagraphCursor.gotoEndOfParagraph(False) # not selectd
        # 8. enter new line
        xBodyText.insertControlCharacter(xCursor, PARAGRAPH_BREAK, False)
        # 9. create new text section
        xTextSection = xDoc.createInstance("com.sun.star.text.TextSection")
        # 10. fill the properties of section
        self.__class__._uno.checkProperties(
            xTextSection,
            {"Condition": "foo EQ 1",
             "IsVisible": False,
             },
            self
            )
        # 11. Insert some text to be content on the section
        xBodyText.insertString(xCursor,
                               "The quick brown fox jumps over the lazy dog",
                               True)
        # 12. insert section
        xBodyText.insertTextContent(xCursor, xTextSection, True)
        # 12.1 insert new paragraph. Note: that's here the difference
        xParagraphCursor.gotoEndOfParagraph(False) # not select
        # TODO: how to leave the section now?
        xBodyText.insertControlCharacter(xCursor, PARAGRAPH_BREAK, False )
        xBodyText.insertString(xCursor, "new paragraph", False)
        # 13. Access fields to refresh the document
        xEnumerationAccess = xDoc.getTextFields()
        # 14. refresh document to update the fields
        xEnumerationAccess.refresh()
        # 15. retrieve the field
        xFieldEnum = xEnumerationAccess.createEnumeration()
        # Note: we have only one field here, that why nextElement() is just fine here
        xPropSet = xFieldEnum.nextElement()
        # check
        readContent = xPropSet.getPropertyValue("Content")
        self.assertEqual("0", readContent)
        readContent = xPropSet.getPropertyValue("Value")
        self.assertEqual(0.0, readContent)
        # 16. change the value of the field from 0 to 1 and check
        self.__class__._uno.checkProperties(
            xPropSet,
            {"Value": 1.0,
             "Content": "1"
             },
            self
            )
        # 17. refresh document to update the fields again
        xEnumerationAccess.refresh()
        # 18. store document
        url = os.path.join(os.environ["TestUserDir"], "VarFields.odt")
        xDoc.storeToURL(url, tuple(list(range(0))))
        # 19. retrieve the section
        xPropSet = xDoc.getTextSections().getByIndex(0)
        # 20. retrieve the condition property of that section
        readContent = xPropSet.getPropertyValue("Condition")
        # 21. check
        # expected:
        #self.assertEqual("foo EQ 1", readContent)
        # reality:
        self.assertEqual("0", readContent)

if __name__ == '__main__':
    unittest.main()