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

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

def initDB():
    conn = sqlite.connect('egon.db')
    curs = conn.cursor()
    return curs, conn
    
def initNewDB():
    cursor, conn = initDB()
    initAssignmentDB(cursor)
    initReadingDB(cursor)
    initScheduleDB(cursor)
    initBookDB(cursor)
    initCourseDB(cursor)
    initAssignmentInCourse(cursor)
    initReadingInCourse(cursor)
    initLessonInCourse(cursor)
    initCourseUsesBook(cursor)
    exitDB(conn)
   
def initAssignmentDB(cursor):
    cursor.execute('''
        CREATE TABLE Assignment (
            aid INTEGER PRIMARY KEY,
            date TEXT,
            description TEXT,
            available BOOLEAN,
            begun BOOLEAN,
            finished BOOLEAN,
            delivered BOOLEAN
        )
    ''')

def initReadingDB(cursor):
    cursor.execute('''
        CREATE TABLE Reading (
            rid INTEGER PRIMARY KEY,
            week TEXT,
            chapter TEXT,
            pages TEXT
        )
    ''')
def initScheduleDB(cursor):
    cursor.execute('''
        CREATE TABLE Lesson (
            lid INTEGER PRIMARY KEY,
            day TEXT,
            fromtime TEXT,
            totime TEXT,
            type TEXT,
            room TEXT
        )
    ''')

def initBookDB(cursor):
    cursor.execute('''
        CREATE TABLE Book (
            isbn TEXT PRIMARY KEY,
            title TEXT,
            author TEXT,
            edition INTEGER
        )
    ''')

def initCourseDB(cursor):
    cursor.execute('''
        CREATE TABLE Course (
            code TEXT PRIMARY KEY,
            title TEXT,
            short TEXT
        )
    ''')
 
def initAssignmentInCourse(cursor):
    cursor.execute('''
        CREATE TABLE assignmentInCourse (
            assignment INTEGER,
            course INTEGER
        )
    ''')
    
def initReadingInCourse(cursor):
    cursor.execute('''
        CREATE TABLE readingInCourse (
            reading INTEGER,
            course INTEGER
        )  
    ''')

def initLessonInCourse(cursor):
    cursor.execute('''
        CREATE TABLE lessonInCourse (
		    lesson INTEGER,
            course INTEGER
        )
    ''') 

def initCourseUsesBook(cursor):
    cursor.execute('''
        CREATE TABLE courseUsesBook (
	        course INTEGER,
            book TEXT
        )
    ''')
    
def addNewBook(isbn, title, author, edition, course):
    cursor, conn = initDB()
    
    bookQuery = '''
        INSERT INTO Book 
        VALUES (%s, %s, %s, %i)
    ''' % (isbn, title, author, edition)
    courseUsesBookQuery = '''
        INSERT INTO courseUsesBook 
        VALUES (%i, %s)
    ''' % (course, isbn)
    
    cursor.execute(bookQuery)
    cursor.execute(courseUsesBookQuery)
    
    exitDB(conn)
   
def addNewCourse(code, title, short):
    cursor, conn = initDB()
   
    courseQuery = '''
        INSERT INTO Course
        VALUES (%s, %s, %s)
    ''' % (code, title, short)
    
    cursor.execute(courseQuery)
    
    exitDB(conn)
   
def getCourses():
    cursor, conn = initDB()

    courseQuery = '''
        SELECT *
        FROM Course
    '''
	
    cursor.execute(courseQuery)

    courses = []
    for row in cursor.fetchall():
	    courses.append(CourseModel(row[0], row[1], row[2]))

def exitDB(conn):
    conn.commit()
    conn.close()


#initNewDB()