# -*- mode:Python -*-
#
# This file is part of the Coriolis Software.
# Copyright (c) UPMC/LIP6 2012-2018, All Rights Reserved
#
# +-----------------------------------------------------------------+ 
# |                   C O R I O L I S                               |
# |    C o r i o l i s  /  C h a m s   B u i l d e r                |
# |                                                                 |
# |  Author      :                       Damien Dupuis              |
# |  E-mail      :       Jean-Paul.Chaput@asim.lip6.fr              |
# | =============================================================== |
# |  Python      :   "./builder/CompileWidget.py"                   |
# +-----------------------------------------------------------------+


import re
import subprocess
from   PyQt4.QtCore           import Qt
from   PyQt4.QtCore           import pyqtSignal
from   PyQt4.QtCore           import QSettings
from   PyQt4.QtGui            import QFont
from   PyQt4.QtGui            import QColor
from   PyQt4.QtGui            import QPalette
from   PyQt4.QtGui            import QTextCharFormat
from   PyQt4.QtGui            import QWidget
from   PyQt4.QtGui            import QLabel
from   PyQt4.QtGui            import QPushButton
from   PyQt4.QtGui            import QCheckBox
from   PyQt4.QtGui            import QGroupBox
from   PyQt4.QtGui            import QButtonGroup
from   PyQt4.QtGui            import QVBoxLayout
from   PyQt4.QtGui            import QHBoxLayout
from   PyQt4.QtGui            import QGridLayout
from   PyQt4.QtGui            import QScrollArea
from   PyQt4.QtGui            import QComboBox
from   PyQt4.QtGui            import QLineEdit
from   PyQt4.QtGui            import QTextEdit
from   PyQt4.QtGui            import QFileDialog
from   PyQt4.QtGui            import QProgressBar
from   PyQt4.QtGui            import QApplication
from   builder.Highlighter    import Highlighter


class CompileWidget ( QWidget ):

  progress = pyqtSignal(int)

  def __init__ ( self, parent=None ):
    QWidget.__init__ ( self, parent )
    self._options = None
    self._conf    = None

    self._go = QPushButton( 'Go' )
    self._go.setMaximumWidth( 100 )
    font = self._go.font()
    font.setPointSizeF( font.pointSizeF()*2.0 )
    font.setWeight    ( QFont.Bold )
    self._go.setFont( font )
    self._go.clicked.connect( self.go )

    self._saveLog = QPushButton( 'Save' )
    saveLogLabel  = QLabel( 'Log File:' )
    saveLogBrowse = QPushButton( '&Browse' )
    saveLogBrowse.clicked.connect( self.browseSaveLog )
    self._saveLogEdit = QLineEdit( '' )

    gLayout = QGridLayout()
    gLayout.addWidget( saveLogLabel     , 0, 0, 1, 1, Qt.AlignRight )
    gLayout.addWidget( self._saveLogEdit, 0, 1, 1, 6 )
    gLayout.addWidget( saveLogBrowse    , 0, 7, 1, 1 )

    self._console = QTextEdit()
    self._console.setLineWrapMode( QTextEdit.NoWrap )
    self._console.setMinimumSize ( 800, 400 )
    palette = self._console.palette()
    palette.setColor( QPalette.Base, QColor.fromRgb(255,255,221) ) # ffffdd.
    self._console.setPalette( palette )
    font = QFont( 'Bitstream Vera Sans Mono', self._console.font().pointSize() )
    self._console.setFont( font )
    self._highlighter = Highlighter( self._console.document() )

    self._progressBar = QProgressBar()
    self._progressBar.setRange      ( 0, 100 )
    self._progressBar.setTextVisible( True )

    hLayout = QHBoxLayout()
    hLayout.addStretch()
    hLayout.addWidget( self._go )
    hLayout.addStretch()
    hLayout.addWidget( self._saveLog )
    hLayout.addStretch()

    vLayout = QVBoxLayout()
    vLayout.addLayout( hLayout )
    vLayout.addLayout( gLayout )
    vLayout.addWidget( self._progressBar )
    vLayout.addWidget( self._console )
    self.setLayout( vLayout )

    self.progress.connect( self._progressBar.setValue )
    self._saveLog.clicked.connect( self.saveLog )

    self.readSettings()
    return


  def _setOptions ( self, options ): self._options = options
  def _setConf    ( self, conf    ): self._conf    = conf
  def _getOptions ( self ): return self._options
  def _getConf    ( self ): return self._conf

  options = property( _getOptions, _setOptions )
  conf    = property( _getConf   , _setConf    )


  def browseSaveLog ( self ):
    self._saveLogEdit.setText( QFileDialog.getSaveFileName(self
                                                          ,'Select Log File Report'
                                                          ,self._saveLogEdit.text()
                                                          ,'Report Files (*.log *.txt)') )
    return

  def saveLog ( self ):
    if self._saveLogEdit.text():
      fd = open( self._saveLogEdit.text(), 'w+' )
      fd.write( self._console.toPlainText() )
      fd.close()
    return


  def shellCommand ( self ):
    command = [ self.conf.bootstrapDir+'/ccb.py' ]
    for project in self.options.projects:
      for tool in project.actives:
        command += [ '--tool='+tool ]
    toolsCount = len(command) - 1

    if self.conf.rootDir: command += [ '--root=%s'%self.conf.rootDir ]

   #if self.options.svnUpdate:  command += [ '--svn-update' ]
   #if self.options.svnStatus:  command += [ '--svn-update' ]
    if self.options.enableDoc:  command += [ '--doc' ]
    if self.options.devtoolset: command += [ '--devtoolset-8' ]
    if self.options.qt5:        command += [ '--qt5' ]
    if self.options.noCache:    command += [ '--no-cache' ]
    if self.options.rmBuild:    command += [ '--rm-build' ]
    if self.options.verbose:    command += [ '--verbose' ]
    if self.options.make:
        makeArguments='install '+self.options.threads
        command += [ '--make=%s'%makeArguments ]
    
    if self.options.buildMode == 'Debug':
        command += [ '--debug' ]
    return toolsCount, command


  def go ( self ):
    rePercentage  = re.compile(r'^\[\s*(?P<percent>\d+)%\].*')
    reProcessTool = re.compile(r'^Processing tool:\s*"(?P<tool>.+)"')

    if not self.options or not self.conf: return

    toolsCount, command = self.shellCommand()
    if not toolsCount: return

    self._progressBar.reset()
    self._progressBar.setRange( 0, toolsCount*100 )

    strCommand = command[0]
    for arg in command[1:]:
        strCommand += ' ' + arg
    strCommand += '\n\n'
    self._console.setFontItalic( True )
    self._console.insertPlainText( strCommand )
    self._console.setFontItalic( False )

    toolsDone      = -1
    builderProcess = subprocess.Popen( command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT )
    while True:
      line = builderProcess.stdout.readline()
      if line == '': break

      m = rePercentage.match( line )
      if m:
          self.progress.emit( toolsDone*100+int(m.group('percent')) )
      else:
          m = reProcessTool.match( line )
          if m:
              toolsDone += 1

      self._console.insertPlainText( line )

      scrollBar = self._console.verticalScrollBar()
      scrollBar.setValue( scrollBar.maximum() )
      QApplication.processEvents()
    builderProcess.wait()
    if builderProcess.returncode == None:
        pass
    return

  def readSettings ( self ):
    settings = QSettings()
    self._saveLogEdit.setText( settings.value('compile/saveLog').toString() )
    return

  def saveSettings ( self ):
    settings = QSettings()
    settings.setValue( 'compile/saveLog', self._saveLogEdit.text() )
    return