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

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 cluster articles')
    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 cluster articles')
    msg.exec_()
    
def geenRegels():
    msg = QMessageBox()
    msg.setStyleSheet("color: black;  background-color: gainsboro")
    msg.setWindowIcon(QIcon('./images/logos/logo.jpg'))
    msg.setIcon(QMessageBox.Warning)
    msg.setText('There are no article rules for this cluster yet!')
    msg.setWindowTitle('Request cluster articles')
    msg.exec_() 
    
def windowSluit(self, m_email):
    self.close()
    hoofdMenu(m_email)
                
def zoeken(m_email):
    class Widget(QDialog):
        def __init__(self, parent=None):
            super(Widget, self).__init__(parent)
            self.setWindowTitle("Cluster article lines")
            self.setWindowIcon(QIcon('./images/logos/logo.jpg'))
    
            self.setFont(QFont('Arial', 10))
                              
            self.Keuze = QLabel()
            k0Edit = QComboBox()
            k0Edit.setFixedWidth(400)
            k0Edit.setFont(QFont("Arial",10))
            k0Edit.setStyleSheet("color: black;  background-color: #F8F7EE")
            k0Edit.addItem('                 Cluster Groups Sort Key')
            k0Edit.addItem('0. All clusters')
            k0Edit.addItem('AA-AL. Rails + welding assets')
            k0Edit.addItem('BA-BK. Beams + mounting')
            k0Edit.addItem('CA-CK. Level crossing + level crossing protection')
            k0Edit.addItem('DA-DK. Crushed stone + earth moving')
            k0Edit.addItem('EA-EK. Switch + track constructions')
            k0Edit.addItem('FA-FK. Underground infrastructure')
            k0Edit.addItem('GA-GK. Train control + signals')
            k0Edit.addItem('HA-HK. OCL + support structure')
            k0Edit.addItem('JA-JK. Power supplies + substations')
            k0Edit.activated[str].connect(self.k0Changed)
        
            grid = QGridLayout()
            grid.setSpacing(20)
                          
            lbl = QLabel()
            pixmap = QPixmap('./images/logos/verbinding.jpg')
            lbl.setPixmap(pixmap)
            grid.addWidget(lbl , 0, 0, 1, 2)
                        
            grid.addWidget(k0Edit, 1, 0, 1, 2, Qt.AlignRight)
            
            self.setLayout(grid)
            self.setGeometry(500, 300, 150, 150)
            
            grid.addWidget(QLabel('\u00A9 2017 all rights reserved dj.jansen@casema.nl'), 3, 0, 1, 3, Qt.AlignCenter)
            
            logo = QLabel()
            pixmap = QPixmap('./images/logos/logo.jpg')
            logo.setPixmap(pixmap)
            grid.addWidget(logo , 0, 1, 1, 1, Qt.AlignRight)
   
            applyBtn = QPushButton('Search')
            applyBtn.clicked.connect(self.accept)
    
            grid.addWidget(applyBtn, 2, 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, 2, 0, 1 , 2, Qt.AlignCenter)
            cancelBtn.setFont(QFont("Arial",10))
            cancelBtn.setFixedWidth(100)
            cancelBtn.setStyleSheet("color: black;  background-color: gainsboro")
           
        def k0Changed(self, text):
            self.Keuze.setText(text)
                  
        def returnk0(self):
            return self.Keuze.text()
                 
        @staticmethod
        def getData(parent=None):
            dialog = Widget(parent)
            dialog.exec_()
            return [dialog.returnk0()]       

    window = Widget()
    data = window.getData()
    if not data[0] or data[0][0] == ' ':
        ongInvoer()
        zoeken(m_email)
    elif data[0]:
        zoekterm = data[0][0]
    toonClusterartikelen(zoekterm, m_email)  

def toonClusterartikelen(zoekterm, m_email):
    import validZt
    class MyWindow(QDialog):
        def __init__(self, data_list, header, *args):
            QWidget.__init__(self, *args,)
            self.setGeometry(100, 50, 1800, 900)
            self.setWindowTitle('Request articles per cluster')
            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.clicked.connect(showSelection)
            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 = ['Cluster number', 'Description', 'Price', 'Unit', 'Materials', 'Wages',\
              'Services', 'Equipment', 'Hiring', 'hours\nconstruction', 'hours mounting','hours\nreturn welding',\
              'hours\nchief mechanic', 'hours\npower-supply', 'hours OCL', 'hours\ntrack laying', 'hours\ntrack welding',\
              'hour hiring', 'trencher', 'pressing machine', 'Atlas crane',\
              'Crane big', 'Mainliner', 'Ballast\nscraper machine', 'Wagon', 'Locomotor',\
              'Locomotive', 'Assembler trolley', 'Stormobiel', 'hours telecom']
    
    metadata = MetaData()
    clusters = Table('clusters', metadata,
        Column('clusterID', Integer(), primary_key=True),
        Column('omschrijving', String),
        Column('prijs', Float),
        Column('eenheid', String),
        Column('materialen', Float),
        Column('lonen', Float),
        Column('diensten', Float),
        Column('materieel', Float),
        Column('inhuur', Float),
        Column('uren_constr', Float),
        Column('uren_mont', Float),
        Column('uren_retourlas', Float),
        Column('uren_bfi', Float),
        Column('uren_voeding', Float),
        Column('uren_bvl', Float),
        Column('uren_spoorleg', Float),
        Column('uren_spoorlas', Float),
        Column('uren_inhuur', Float),
        Column('sleuvengraver', Float),
        Column('persapparaat', Float),
        Column('atlaskraan', Float),
        Column('kraan_groot', Float),
        Column('mainliner', Float),
        Column('hormachine', Float),
        Column('wagon', Float),
        Column('locomotor', Float),
        Column('locomotief', Float),
        Column('montagewagen', Float),
        Column('stormobiel', Float),
        Column('uren_telecom', Float))
       
    engine = create_engine('postgresql+psycopg2://postgres@localhost/bisystem')
    con = engine.connect()
    
    if zoekterm == '0':
        sel = select([clusters]).order_by(clusters.c.clusterID)
    elif validZt.zt(zoekterm, 26):
        sel = select([clusters]).where(clusters.c.clusterID.ilike(zoekterm+'%'))\
                              .order_by(clusters.c.clusterID)
    else:
        ongInvoer()
        zoeken(m_email)
        
    if con.execute(sel).fetchone():
        rp = con.execute(sel)
    else:
        geenRecord()
        zoeken(m_email)
    
    data_list=[]
    for row in rp:
        data_list += [(row)]
    
    def showSelection(idx):
        clusternr = str(idx.data())
        if idx.column() == 0:
            metadata = MetaData()
            clusters = Table('clusters', metadata,
                Column('clusterID', Integer, primary_key=True),
                Column('omschrijving', String))
            artikelen = Table('artikelen', metadata,
                Column('artikelID', Integer, primary_key=True),
                Column('artikelomschrijving', String),
                Column('artikelprijs', Float))
            cluster_artikelen = Table('cluster_artikelen', metadata,
                Column('cluster_artID', Integer, primary_key=True),
                Column('clusterID', None, ForeignKey('clusters.clusterID')),
                Column('artikelID', None, ForeignKey('artikelen.artikelID')),
                Column('hoeveelheid', Float))
    
            engine = create_engine('postgresql+psycopg2://postgres@localhost/bisystem')
            con = engine.connect()
            selcl = select([cluster_artikelen, clusters, artikelen]).where(and_\
             (cluster_artikelen.c.clusterID == clusternr, cluster_artikelen.c.clusterID==\
              clusters.c.clusterID, cluster_artikelen.c.artikelID == artikelen.c.artikelID))
            
            if con.execute(selcl).fetchone():
                rpsel = con.execute(selcl)
            else:
                geenRegels()
                return
            regel = 0
            for row in rpsel:
                regel += 1
                class MainWindow(QDialog):
                    def __init__(self):
                        QDialog.__init__(self)
                        
                        grid = QGridLayout()
                        grid.setSpacing(20)
                        self.setWindowTitle("Request article lines per cluster")
                        self.setWindowIcon(QIcon('./images/logos/logo.jpg'))
                        
                        self.setFont(QFont('Arial', 10))   
                        
                        q1Edit = QLineEdit(str(row[5]))
                        q1Edit.setFixedWidth(400)
                        q1Edit .setStyleSheet("QLineEdit { font-size: 10pt; font-family: Arial; color: black }")
                        q1Edit.setDisabled(True)
                        
                        q6Edit = QLineEdit(str(row[2]))
                        q6Edit.setFixedWidth(150)
                        q6Edit.setAlignment(Qt.AlignRight)
                        q6Edit.setStyleSheet("QLineEdit { font-size: 10pt; font-family: Arial; color: black }")
                        q6Edit.setDisabled(True)
                                       
                        q2Edit = QLineEdit('{:12.2f}'.format(row[8]))
                        q2Edit.setFixedWidth(150)
                        q2Edit.setAlignment(Qt.AlignRight)
                        q2Edit.setStyleSheet("QLineEdit { font-size: 10pt; font-family: Arial; color: black }")
                        q2Edit.setDisabled(True)
                         
                        q3Edit = QLineEdit('{:12.2f}'.format(row[3]))
                        q3Edit.setFixedWidth(150)
                        q3Edit.setAlignment(Qt.AlignRight)
                        q3Edit.setStyleSheet("QLineEdit { font-size: 10pt; font-family: Arial; color: black }")
                        q3Edit.setDisabled(True)
                        
                        q5Edit = QLineEdit(str(row[7]))
                        q5Edit.setFixedWidth(400)
                        q5Edit.setStyleSheet("QLineEdit { font-size: 10pt; font-family: Arial; color: black }")
                        q5Edit.setDisabled(True)
                                               
                        grid = QGridLayout()
                        grid.setSpacing(20)
                        
                        lbl1 = QLabel('Cluster number')
                        lbl1.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                        grid.addWidget(lbl1, 1, 0)
                        
                        lbl2 = QLabel(clusternr)
                        grid.addWidget(lbl2, 1, 1)
                        
                        lbl9 = QLabel('Line number: ')
                        lbl9.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                        grid.addWidget(lbl9, 1, 2)
                        
                        lbl10 = QLabel(str(regel))
                        grid.addWidget(lbl10, 1, 3)
                               
                        lbl3 = QLabel('Cluster description')
                        lbl3.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                        grid.addWidget(lbl3, 2, 0)
                        grid.addWidget(q1Edit, 2, 1, 1, 3) 
                        
                        lbl8 = QLabel('Article number')
                        lbl8.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                        grid.addWidget(lbl8, 3, 0)
                        grid.addWidget(q6Edit, 3, 1)
                                                                
                        lbl4 = QLabel('Article price')
                        lbl4.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                        grid.addWidget(lbl4, 4, 0)
                        grid.addWidget(q2Edit, 4, 1)
                        
                        lbl5 = QLabel('Amount\nArticles per cluster')
                        lbl5.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                        grid.addWidget(lbl5, 5, 0)
                        grid.addWidget(q3Edit, 5, 1)
                       
                        lbl7 = QLabel('Article description')
                        lbl7.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                        grid.addWidget(lbl7, 6, 0)
                        grid.addWidget(q5Edit, 6, 1, 1, 3)
                      
                        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, 3, 1 , 1, Qt.AlignRight)
                                                         
                        grid.addWidget(QLabel('\u00A9 2017 all rights reserved dj.jansen@casema.nl'), 8, 0, 1, 4, Qt.AlignCenter)
                          
                        self.setLayout(grid)
                        self.setGeometry(500, 300, 150, 150)
                
                        applyBtn = QPushButton('Lines')
                        applyBtn.clicked.connect(self.accept)
                
                        grid.addWidget(applyBtn, 7, 3, 1, 1, Qt.AlignRight)
                        applyBtn.setFont(QFont("Arial",10))
                        applyBtn.setFixedWidth(100)
                        applyBtn.setStyleSheet("color: black;  background-color: gainsboro")
                                                                                                 
                mainWin = MainWindow()
                mainWin.exec_()    
    
    win = MyWindow(data_list, header)
    win.exec_()
    zoeken(m_email)   