#!/usr/bin/env python
#coding: utf-8

import os
import platform
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from pysqlite2 import dbapi2 as sqlite
#import qrc_resources
from qrc_resources import *
from assignment import *
from reading import *
from schedule import *
from calendar import *
from book import *
from course import *
#from db import *
import db

__version__ = "0.0.1"

class MainWindow(QMainWindow):

    courses = []
    coursesString = []
    books = []
    booksString = []

    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        
        # The program name
        self.title = "Egon"
       
        # The tabs
        assignment = AssignmentTab()
        reading = ReadingTab()
        schedule = ScheduleTab()
        
        # Set the tabs in the middle
        self.tabs = QTabWidget()
        self.tabs.addTab(assignment, "&Assignments")
        self.tabs.addTab(reading, "&Reading List")
        self.tabs.addTab(schedule, "&Schedule")
        self.tabs.setTabShape(QTabWidget.Triangular)
        self.tabs.setTabPosition(QTabWidget.North)
        self.setCentralWidget(self.tabs)
        
        # Set the title
        self.setWindowTitle(self.title)
        
        # The calendar
        self.calendarFrame = QFrame()
        self.calendarFrame.setFrameStyle(QFrame.StyledPanel|QFrame.Sunken)
        self.calendarDockWidget = QDockWidget("Calendar", self)
        self.calendarDockWidget.setVisible(False)
        self.calendarDockWidget.setObjectName("CalendarDockWidget")
        self.calendarDockWidget.setAllowedAreas(Qt.LeftDockWidgetArea|Qt.RightDockWidgetArea|Qt.BottomDockWidgetArea)
        self.calendar = QCalendarWidget()
        self.calendarLayout = QVBoxLayout()
        self.calendarLayout.addWidget(self.calendar)
        self.calendarFrame.setLayout(self.calendarLayout)
        self.calendarFrame.hide()
        self.calendarDockWidget.setWidget(self.calendarFrame)
        
        # Actions
        fileNewAction = self.createAction("&New", self.fileNew, QKeySequence.New, ":filenew", "Create a new plan")
        fileOpenAction = self.createAction("&Open", self.fileOpen, QKeySequence.Open, ":fileopen",  "Open an existing plan")
        fileSaveAction = self.createAction("&Save", self.fileSave, QKeySequence.Save, ":filesave", "Save semester plan")
        fileSaveAsAction = self.createAction("Save as...", self.fileSaveAs, None, ":filesaveas", "Save plan as...")
        filePrintAction = self.createAction("&Print", self.filePrint, QKeySequence.Print, ":fileprint", "Print plan")
        fileQuitAction = self.createAction("&Quit", self.close, "Ctrl+Q", ":filequit", "Quit program")
        editAddCourse = self.createAction("A&dd course", self.addCourse, "Ctrl+D", None, "Add a new course")
        editAddBook = self.createAction("Add &book", self.addBook, "Ctrl+B", None, "Add a new book")
        editAddAssignment = self.createAction("Add &assignment", self.addAssignment, "Ctrl+A", None, "Add a new assignment")
        editAddReading = self.createAction("Add &reading", self.addReading, "Ctrl+R", None, "Add a new reading")
        editAddLesson = self.createAction("Add &lesson", self.addLesson, "Ctrl+L", None, "Add a new lesson")
        editShowCalendar = self.createAction("&Calendar", self.showCalendar, "Ctrl+C", None, "Show the calendar")
        helpAboutScheduler = self.createAction("&About %s" % self.title)
        
        # Menus
        self.fileMenu = self.menuBar().addMenu("&File")
        self.editMenu = self.menuBar().addMenu("&Edit")
        self.helpMenu = self.menuBar().addMenu("&Help")
        
        # Add actions to the menus
        self.addActions(self.fileMenu, (fileNewAction, fileOpenAction, None, fileSaveAction, fileSaveAsAction, None, filePrintAction, None, fileQuitAction))
        self.addActions(self.editMenu, (editAddCourse, editAddBook, None, editAddAssignment, None, editAddReading, None, editAddLesson, None, editShowCalendar))
        self.addActions(self.helpMenu, (helpAboutScheduler, None))
        
        # Connect statements
        self.connect(editAddCourse, SIGNAL("triggered()"), self.addCourse)
        self.connect(editAddBook, SIGNAL("triggered()"), self.addBook)
        self.connect(editAddAssignment, SIGNAL("triggered()"), self.addAssignment)
        self.connect(editAddReading, SIGNAL("triggered()"), self.addReading)
        self.connect(editAddLesson, SIGNAL("triggered()"), self.addLesson)
        self.connect(editShowCalendar, SIGNAL("pressed()"), self.showCalendar)
        self.connect(helpAboutScheduler, SIGNAL("triggered()"), self.helpAbout)
        self.connect(assignment.addAssignmentButton, SIGNAL("pressed()"), self.addAssignment)
        self.connect(assignment.editAssignmentButton, SIGNAL("pressed()"), self.editAssignment)
        self.connect(assignment.assignmentDoneButton, SIGNAL("pressed()"), self.doneAssignment)
        self.connect(reading.addReadingButton, SIGNAL("pressed()"), self.addReading)
        self.connect(reading.editReadingButton, SIGNAL("pressed()"), self.editReading)
        self.connect(schedule.addScheduleButton, SIGNAL("pressed()"), self.addLesson)
        self.connect(schedule.editScheduleButton, SIGNAL("pressed()"), self.editLesson)
        
        # The toolbars
        fileToolbar = self.addToolBar("File")
        fileToolbar.setObjectName("FileToolBar")
        self.addActions(fileToolbar, (fileNewAction, fileOpenAction, None, fileSaveAction, fileSaveAsAction, None, filePrintAction, None, fileQuitAction))
        editToolbar = self.addToolBar("Edit")
        editToolbar.setObjectName("EditToolBar")
        self.addActions(editToolbar, (editAddCourse, editAddBook, None, editShowCalendar))
        
        self.courses = db.getCourses()
        self.makeCoursesString(self.courses)

    def addCourse(self):##, code, title, short):
        self.acdlg = AddCourseDlg()
        self.acdlg.show()
        
    def addBook(self):##, isbn, title, author, edition, course):
        self.abdlg = AddBookDlg()
        self.abdlg.show()

    def addAssignment(self):
        self.aadlg = AddAssignmentDlg()
        self.aadlg.show()
    
    def editAssignment(self):
        self.eadlg = EditAssignmentDlg()
        self.connect(self.eadlg, SIGNAL("changed()"), self.refreshTable)
        self.eadlg.show()
    
    def doneAssignment(self):
        pass
    
    def addReading(self):
        self.ardlg = AddReadingDlg()
        self.ardlg.show()

    def editReading(self):
        self.erdlg = EditReadingDlg()
        self.connect(self.erdlg, SIGNAL("changed()"), self.refreshTable)
        self.erdlg.show()
    
    def doneReading(self):
        pass
    
    def addLesson(self):
        self.asdlg = AddScheduleDlg()
        self.asdlg.show()
    
    def editLesson(self):
        self.esdlg = EditScheduleDlg()
        self.connect(self.esdlg, SIGNAL("changed()"), self.refreshTable)
        self.esdlg.show()
    
    def helpAbout(self):
        QMessageBox.about(self, "About %s" % self.title, u"""<b>%s</b> v %s 
            <p>Copyright &copy; 2008 Tiril Anette Langfeldt Rødland. All rights reserved. 
            <p>This application is mainly for use by students, and can be used to keep track of assignments, planned readings and the schedule.
            <p>Python %s - Qt %s - PyQt %s on %s""" % (self.title, __version__, platform.python_version(), QT_VERSION_STR, PYQT_VERSION_STR, platform.system()))
    
    def addActions(self, target, actions):
        for action in actions:
            if action is None:
                target.addSeparator()
            else:
                target.addAction(action)
        
    def fileNew(self):
        model = Model()
        
    def fileOpen(self):
        pass
        
    def fileSave(self):
        pass
        
    def fileSaveAs(self):
        pass
        
    def filePrint(self):
        pass
    
    def updateFileMenu(self):
        self.fileMenu.clear()
        self.addActions(self.fileMenu, self.fileMenuActions[:-1])
        current = QString(self.filename) if self.filename is not None else None
    
    def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False, signal="triggered()"):
        action = QAction(text, self)
        if icon is not None:
            iconfile = "/home/tiril/koding/schedule/images/%s.png" % icon
            action.setIcon(QIcon(iconfile))
        if shortcut is not None:
            action.setShortcut(shortcut)
        if tip is not None:
            action.setToolTip(tip)
            action.setStatusTip(tip)
        if slot is not None:
            self.connect(action, SIGNAL(signal), slot)
        if checkable:
            action.setCheckable(True)
        return action

    def showCalendar(self):
        if self.calendarDockWidget.isVisible():
            self.removeDockWidget(self.calendarDockWidget)
        else:
            self.addDockWidget(Qt.BottomDockWidgetArea, self.calendarDockWidget)
            self.calendarDockWidget.setVisible(True)
        
    def refreshTable(self):
        pass

    def addNewCourse(self, course):
        self.courses.append(course)
        db.addNewCourse(course.getCode(), course.getTitle(), course.getShort())
        self.addNewCourseString(course)

    def getCourses(self):
        return self.courses

    def addNewCourseString(self, course):
        self.coursesString.append(course.getFull())

    def makeCoursesString(self, courses):
        if courses:
            for c in courses:
                addNewCourseString(course)

    def getCoursesString(self):
        return self.coursesString

class Model:
    
    def __init__(self, parent=None):
        self.assignmentModel = AssignmentModel()
        self.readingModel = ReadingModel()
        self.scheduleModel = ScheduleModel()


def main():
    app = QApplication(sys.argv)
    form = MainWindow()
    app.setOrganizationName("PVV")
    app.setOrganizationDomain("pvv.ntnu.no")
    app.setApplicationName(form.title)
    form.show()
    app.exec_()
    
main()