from login import hoofdMenu
from PyQt5.QtCore import Qt, QAbstractTableModel
from PyQt5.QtGui import QFont, QPixmap, QIcon
from PyQt5.QtWidgets import  QLabel, QPushButton, QWidget, QGridLayout, QVBoxLayout,\
     QComboBox, QDialog, QLineEdit, QMessageBox, QTableView
from sqlalchemy import (Table, Column, Integer, Float, String, MetaData, ForeignKey,\
                       create_engine)
from sqlalchemy.sql import select, and_

def windowSluit(self, m_email):
    self.close()
    hoofdMenu(m_email)

def geenRecord():
    msg = QMessageBox()
    msg.setStyleSheet("color: black;  background-color: gainsboro")
    msg.setWindowIcon(QIcon('./images/logos/logo.jpg'))
    msg.setIcon(QMessageBox.Warning)
    msg.setText('No record found\ncreate another selection please!')
    msg.setWindowTitle('Request services / Equipment')
    msg.exec_() 
    
def ongInvoer():
    msg = QMessageBox()
    msg.setStyleSheet("color: black;  background-color: gainsboro")
    msg.setWindowIcon(QIcon('./images/logos/logo.jpg'))
    msg.setIcon(QMessageBox.Warning)
    msg.setText('Please re-enter incorrect input\nsearch term!')
    msg.setWindowTitle('Request services / Equipment')
    msg.exec_()
        
def mutatieKeuze(m_email):
    class Widget(QDialog):
        def __init__(self, parent=None):
            super(Widget, self).__init__(parent)
            self.setWindowTitle("Request changes services-portal accounting")
            self.setWindowIcon(QIcon('./images/logos/logo.jpg'))
    
            self.setFont(QFont('Arial', 10))
    
            self.Keuze = QLabel()
            k0Edit = QComboBox()
            k0Edit.setFixedWidth(230)
            k0Edit.setFont(QFont("Arial",10))
            k0Edit.setStyleSheet("color: black;  background-color: #F8F7EE")
            k0Edit.addItem('      Search sort key')
            k0Edit.addItem('1. All mutations')
            k0Edit.addItem('2. Work number')
            k0Edit.addItem('3. Work description')
            k0Edit.addItem('4. Supplier number')
            k0Edit.addItem('5. Company name')
            k0Edit.addItem('6. By sales order')
            k0Edit.addItem('7. Cost type (1-8)')
            k0Edit.addItem('8. Booking date yyyy(-mm(-dd))')
            k0Edit.activated[str].connect(self.k0Changed)
                            
            self.Zoekterm = QLabel()
            zktermEdit = QLineEdit()
            zktermEdit.setFixedWidth(230)
            zktermEdit.setFont(QFont("Arial",10))
            zktermEdit.textChanged.connect(self.zktermChanged)
     
            grid = QGridLayout()
            grid.setSpacing(20)
                          
            lbl = QLabel()
            pixmap = QPixmap('./images/logos/verbinding.jpg')
            lbl.setPixmap(pixmap)
            grid.addWidget(lbl , 0, 0, 1, 2)
            
            logo = QLabel()
            pixmap = QPixmap('./images/logos/logo.jpg')
            logo.setPixmap(pixmap)
            grid.addWidget(logo , 0, 1, 1, 1, Qt.AlignRight)
                                  
            grid.addWidget(k0Edit, 1, 1)
            lbl1 = QLabel('Search term')
            lbl1.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
            grid.addWidget(lbl1, 2, 0)
            grid.addWidget(zktermEdit, 2, 1)
            
            self.setLayout(grid)
            self.setGeometry(500, 300, 150, 150)
            
            grid.addWidget(QLabel('\u00A9 2017 all rights reserved dj.jansen@casema.nl'), 4, 0, 1, 3 , Qt.AlignCenter)
   
            applyBtn = QPushButton('Search')
            applyBtn.clicked.connect(self.accept)
    
            grid.addWidget(applyBtn, 3, 1, 1, 1, Qt.AlignRight)
            applyBtn.setFont(QFont("Arial",10))
            applyBtn.setFixedWidth(100)
            applyBtn.setStyleSheet("color: black;  background-color: gainsboro")
            
            cancelBtn = QPushButton('Close')
            cancelBtn.clicked.connect(lambda: windowSluit(self, m_email))
    
            grid.addWidget(cancelBtn, 3, 1)
            cancelBtn.setFont(QFont("Arial",10))
            cancelBtn.setFixedWidth(100)
            cancelBtn.setStyleSheet("color: black;  background-color: gainsboro")
                
        def k0Changed(self, text):
            self.Keuze.setText(text)
            
        def zktermChanged(self, text):
            self.Zoekterm.setText(text)
 
        def returnk0(self):
            return self.Keuze.text()
        
        def returnzkterm(self):
            return self.Zoekterm.text()
        
        @staticmethod
        def getData(parent=None):
            dialog = Widget(parent)
            dialog.exec_()
            return [dialog.returnk0(), dialog.returnzkterm()]       

    window = Widget()
    data = window.getData()
    if data[0]:
        keuze = int(data[0][0])
    else:
        ongInvoer()
        mutatieKeuze(m_email)
    if data[1]:
        zoekterm = data[1]
    else:
        zoekterm = ''
    toonMutaties(keuze, zoekterm, m_email)

def toonMutaties(keuze,zoekterm, m_email):
    import validZt
    metadata = MetaData()
    dienstenmutaties = Table('dienstenmutaties', metadata,
        Column('mutatieID', Integer, primary_key=True),
        Column('werknummerID', None, ForeignKey('werken.werknummerID')),
        Column('orderinkoopID', None, ForeignKey('orders_inkoop.orderinkoopID')),
        Column('boekbedrag', Float),
        Column('boekdatum', String),
        Column('leverancierID', None, ForeignKey('leveranciers.leverancierID')),
        Column('werkomschr', String),
        Column('btw_hoog', Float),
        Column('omschrijving', String),
        Column('regel', Integer))
    werken = Table('werken', metadata,
        Column('werknummerID', Integer(), primary_key=True),
        Column('werkomschrijving', String(50)))
    orders_inkoop = Table('orders_inkoop', metadata,
        Column('orderinkoopID', Integer, primary_key=True),
        Column('leverancierID', None, ForeignKey('leveranciers.leverancierID')))
    leveranciers = Table('leveranciers', metadata,
        Column('leverancierID', Integer, primary_key=True),
        Column('bedrijfsnaam',  String),
        Column('rechtsvorm', String))
                    
    engine = create_engine('postgresql://postgres@localhost/bisystem')
    conn = engine.connect()
   
    if keuze == 1:
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
           .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID))\
            .order_by(werken.c.werknummerID)
    elif keuze == 2 and validZt.zt(zoekterm, 8):
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
            .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID,\
           werken.c.werknummerID== int(zoekterm)))
    elif keuze == 3:
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
            .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID,\
           werken.c.werkomschrijving.ilike('%'+zoekterm+'%')))\
           .order_by(werken.c.werknummerID)
    elif keuze == 4 and validZt.zt(zoekterm, 3):
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
            .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID,\
           leveranciers.c.leverancierID == int(zoekterm)))
    elif keuze == 5:
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
            .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID,\
           leveranciers.c.bedrijfsnaam.ilike('%'+zoekterm+'%')))
    elif keuze == 6 and validZt.zt(zoekterm, 5):
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
            .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID,\
            orders_inkoop.c.orderinkoopID== int(zoekterm)))
    elif keuze == 7 and validZt.zt(zoekterm, 16):
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
            .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID,\
           dienstenmutaties.c.werkomschr.like(zoekterm+'%')))\
           .order_by(dienstenmutaties.c.werkomschr)
    elif keuze == 8 and validZt.zt(zoekterm, 10):
        sel = select([dienstenmutaties, werken, orders_inkoop, leveranciers])\
            .where(and_(werken.c.werknummerID==dienstenmutaties.c.werknummerID,\
            leveranciers.c.leverancierID == dienstenmutaties.c.leverancierID,\
            orders_inkoop.c.orderinkoopID==dienstenmutaties.c.orderinkoopID,\
             dienstenmutaties.c.boekdatum.ilike(zoekterm+'%')))\
           .order_by(dienstenmutaties.c.boekdatum)
    else:
       ongInvoer()
       mutatieKeuze(m_email)
       
    if conn.execute(sel).fetchone():
        rp = conn.execute(sel)
    else:
        geenRecord()
        mutatieKeuze(m_email)
       
    class MyWindow(QDialog):
        def __init__(self, data_list, header, *args):
            QWidget.__init__(self, *args,)
            self.setGeometry(50, 50, 1800, 900)
            self.setWindowTitle('Request services mutations')
            self.setWindowIcon(QIcon('./images/logos/logo.jpg')) 
            self.setWindowFlags(self.windowFlags()| Qt.WindowSystemMenuHint |
                              Qt.WindowMinMaxButtonsHint)
            table_model = MyTableModel(self, data_list, header)
            table_view = QTableView()
            table_view.setModel(table_model)
            font = QFont("Arial", 10)
            table_view.setFont(font)
            table_view.resizeColumnsToContents()
            table_view.setSelectionBehavior(QTableView.SelectRows)
            table_view.setColumnHidden(1, True)
            table_view.setColumnHidden(2, True)
            table_view.setColumnHidden(5, True)
            table_view.setColumnHidden(12, True)
            #table_view.clicked.connect(showAccount)
            layout = QVBoxLayout(self)
            layout.addWidget(table_view)
            self.setLayout(layout)
    
    class MyTableModel(QAbstractTableModel):
        def __init__(self, parent, mylist, header, *args):
            QAbstractTableModel.__init__(self, parent, *args)
            self.mylist = mylist
            self.header = header
        def rowCount(self, parent):
            return len(self.mylist)
        def columnCount(self, parent):
            return len(self.mylist[0])
        def data(self, index, role):
            veld = self.mylist[index.row()][index.column()]
            if not index.isValid():
                return None
            elif role == Qt.TextAlignmentRole and (type(veld) == float or type(veld) == int):
                return Qt.AlignRight | Qt.AlignVCenter
            elif role != Qt.DisplayRole:
                return None
            if type(veld) == float:
                return '{:12.2f}'.format(veld)
            else:
                return veld
        def headerData(self, col, orientation, role):
            if orientation == Qt.Horizontal and role == Qt.DisplayRole:
                return self.header[col]
            return None
  
    header = ['Mutation number','Work number', 'Supplier orderID','Amount booking', 'Booking date', 'SupplierID',\
              'Category work','VAT high', 'Description', 'Line number', 'Work number', 'Description',\
              'Supplier orderID', 'SupplierID', 'SupplierID','Company name', 'Legal status']
    
    data_list=[]
    for row in rp:
        data_list += [(row)] 
    
    win = MyWindow(data_list, header)
    win.exec_()
    mutatieKeuze(m_email)