# -*- coding: utf-8 -*-

# Copyright (c) 2005 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a dialog for entering project specific debugger settings.
"""


import os

from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import QDialog, QComboBox

from E5Gui.E5Completers import E5DirCompleter
from E5Gui.E5PathPicker import E5PathPickerModes
from E5Gui.E5Application import e5App

from .Ui_DebuggerPropertiesDialog import Ui_DebuggerPropertiesDialog


from eric6config import getConfig

import Preferences
import UI.PixmapCache


class DebuggerPropertiesDialog(QDialog, Ui_DebuggerPropertiesDialog):
    """
    Class implementing a dialog for entering project specific debugger
    settings.
    """
    def __init__(self, project, parent=None, name=None):
        """
        Constructor
        
        @param project reference to the project object
        @param parent parent widget of this dialog (QWidget)
        @param name name of this dialog (string)
        """
        super(DebuggerPropertiesDialog, self).__init__(parent)
        if name:
            self.setObjectName(name)
        self.setupUi(self)
        
        debugClientsHistory = Preferences.getProject(
            "DebugClientsHistory")
        self.debugClientPicker.setMode(E5PathPickerModes.OpenFileMode)
        self.debugClientPicker.setInsertPolicy(QComboBox.InsertAtTop)
        self.debugClientPicker.setSizeAdjustPolicy(
            QComboBox.AdjustToMinimumContentsLength)
        self.debugClientPicker.setPathsList(debugClientsHistory)
        self.debugClientClearHistoryButton.setIcon(
            UI.PixmapCache.getIcon("editDelete.png"))
        
        venvManager = e5App().getObject("VirtualEnvManager")
        
        self.venvComboBox.addItem("")
        self.venvComboBox.addItems(sorted(venvManager.getVirtualenvNames()))
        
        self.translationLocalCompleter = E5DirCompleter(
            self.translationLocalEdit)
        
        self.project = project
        
        if self.project.debugProperties["VIRTUALENV"]:
            venvIndex = max(0, self.venvComboBox.findText(
                self.project.debugProperties["VIRTUALENV"]))
        else:
            if self.project.pdata["PROGLANGUAGE"] == "Python2":
                venvName = Preferences.getDebugger("Python2VirtualEnv")
            elif self.project.pdata["PROGLANGUAGE"] == "Python3":
                venvName = Preferences.getDebugger("Python3VirtualEnv")
            else:
                venvName = ""
            if not venvName:
                venvName, _ = venvManager.getDefaultEnvironment()
            if venvName:
                venvIndex = max(0, self.venvComboBox.findText(venvName))
            else:
                venvIndex = 0
        self.venvComboBox.setCurrentIndex(venvIndex)
        if self.project.debugProperties["DEBUGCLIENT"]:
            self.debugClientPicker.setText(
                self.project.debugProperties["DEBUGCLIENT"],
                toNative=False)
        else:
            if self.project.pdata["PROGLANGUAGE"] in ["Python", "Python2",
                                                      "Python3"]:
                debugClient = os.path.join(
                    getConfig('ericDir'),
                    "DebugClients", "Python", "DebugClient.py")
            else:
                debugClient = ""
            self.debugClientPicker.setText(debugClient, toNative=False)
        self.debugEnvironmentOverrideCheckBox.setChecked(
            self.project.debugProperties["ENVIRONMENTOVERRIDE"])
        self.debugEnvironmentEdit.setText(
            self.project.debugProperties["ENVIRONMENTSTRING"])
        self.remoteDebuggerGroup.setChecked(
            self.project.debugProperties["REMOTEDEBUGGER"])
        self.remoteHostEdit.setText(
            self.project.debugProperties["REMOTEHOST"])
        self.remoteCommandEdit.setText(
            self.project.debugProperties["REMOTECOMMAND"])
        self.pathTranslationGroup.setChecked(
            self.project.debugProperties["PATHTRANSLATION"])
        self.translationRemoteEdit.setText(
            self.project.debugProperties["REMOTEPATH"])
        self.translationLocalEdit.setText(
            self.project.debugProperties["LOCALPATH"])
        self.consoleDebuggerGroup.setChecked(
            self.project.debugProperties["CONSOLEDEBUGGER"])
        self.consoleCommandEdit.setText(
            self.project.debugProperties["CONSOLECOMMAND"])
        self.redirectCheckBox.setChecked(
            self.project.debugProperties["REDIRECT"])
        self.noEncodingCheckBox.setChecked(
            self.project.debugProperties["NOENCODING"])
        
        msh = self.minimumSizeHint()
        self.resize(max(self.width(), msh.width()), msh.height())

    @pyqtSlot()
    def on_debugClientPicker_aboutToShowPathPickerDialog(self):
        """
        Private slot to perform actions before the debug client selection
        dialog is shown.
        """
        filters = self.project.getDebuggerFilters(
            self.project.pdata["PROGLANGUAGE"])
        filters += self.tr("All Files (*)")
        self.debugClientPicker.setFilters(filters)

    def storeData(self):
        """
        Public method to store the entered/modified data.
        """
        self.project.debugProperties["VIRTUALENV"] = (
            self.venvComboBox.currentText()
        )
        
        self.project.debugProperties["DEBUGCLIENT"] = (
            self.debugClientPicker.text(toNative=False)
        )
        if not self.project.debugProperties["DEBUGCLIENT"]:
            if self.project.pdata["PROGLANGUAGE"] in ["Python", "Python2",
                                                      "Python3"]:
                debugClient = os.path.join(
                    getConfig('ericDir'),
                    "DebugClients", "Python", "DebugClient.py")
            else:
                debugClient = ""
            self.project.debugProperties["DEBUGCLIENT"] = debugClient
        
        self.project.debugProperties["ENVIRONMENTOVERRIDE"] = (
            self.debugEnvironmentOverrideCheckBox.isChecked()
        )
        self.project.debugProperties["ENVIRONMENTSTRING"] = (
            self.debugEnvironmentEdit.text()
        )
        self.project.debugProperties["REMOTEDEBUGGER"] = (
            self.remoteDebuggerGroup.isChecked()
        )
        self.project.debugProperties["REMOTEHOST"] = (
            self.remoteHostEdit.text()
        )
        self.project.debugProperties["REMOTECOMMAND"] = (
            self.remoteCommandEdit.text()
        )
        self.project.debugProperties["PATHTRANSLATION"] = (
            self.pathTranslationGroup.isChecked()
        )
        self.project.debugProperties["REMOTEPATH"] = (
            self.translationRemoteEdit.text()
        )
        self.project.debugProperties["LOCALPATH"] = (
            self.translationLocalEdit.text()
        )
        self.project.debugProperties["CONSOLEDEBUGGER"] = (
            self.consoleDebuggerGroup.isChecked()
        )
        self.project.debugProperties["CONSOLECOMMAND"] = (
            self.consoleCommandEdit.text()
        )
        self.project.debugProperties["REDIRECT"] = (
            self.redirectCheckBox.isChecked()
        )
        self.project.debugProperties["NOENCODING"] = (
            self.noEncodingCheckBox.isChecked()
        )
        self.project.debugPropertiesLoaded = True
        self.project.debugPropertiesChanged = True
        
        self.__saveHistories()
    
    def __saveHistories(self):
        """
        Private method to save the path picker histories.
        """
        debugClient = self.debugClientPicker.text(toNative=False)
        debugClientsHistory = self.debugClientPicker.getPathItems()
        if debugClient not in debugClientsHistory:
            debugClientsHistory.insert(0, debugClient)
        Preferences.setProject("DebugClientsHistory",
                               debugClientsHistory)
    
    @pyqtSlot()
    def on_debugClientClearHistoryButton_clicked(self):
        """
        Private slot to clear the debug clients history.
        """
        self.__clearHistory(self.debugClientPicker)
    
    def __clearHistory(self, picker):
        """
        Private method to clear a path picker history.
        
        @param picker reference to the path picker
        @type E5ComboPathPicker
        """
        currentText = picker.text()
        picker.clear()
        picker.setText(currentText)
        
        self.__saveHistories()
