#!/usr/bin/python3
import sys
import os
import subprocess
from PySide2.QtWidgets import QApplication, QLabel, QWidget, QPushButton,QVBoxLayout,QLineEdit,QGridLayout,QHBoxLayout,QComboBox,QCheckBox, QListWidget,QFileDialog,QFrame
from PySide2 import QtGui
from PySide2.QtCore import Qt,QSize
from appconfig.appConfigStack import appConfigStack as confStack
import airmanager.airmanager as installer
import tempfile
from gi.repository import GdkPixbuf

import gettext
_ = gettext.gettext

class installAir(confStack):
	def __init_stack__(self):
		self.dbg=False
		self._debug("installer load")
		self.description=(_("Air Apps Installer"))
		self.menu_description=(_("Install air apps"))
		self.icon=('air-installer')
		self.tooltip=(_("From here you can manage the air apps installed on your system"))
		self.index=2
		self.enabled=True
		self.level='system'
#		self.hideControlButtons()
		self.airinstaller=installer.AirManager()	
		self.setStyleSheet(self._setCss())
	#def __init__
	
	def _load_screen(self):

		def _fileChooser():
			fdia=QFileDialog()
			fdia.setNameFilter("air apps(*.air)")
			if (fdia.exec_()):
				fchoosed=fdia.selectedFiles()[0]
				self.inp_file.setText(fchoosed)
				self.updateScreen()
		box=QGridLayout()
		box.addWidget(QLabel(_("Air file")),0,0,1,1,Qt.AlignBottom)
		self.inp_file=QLineEdit()
		self.inp_file.setPlaceholderText(_("Choose file for install"))
		box.addWidget(self.inp_file,1,0,1,1,Qt.AlignTop)
		btn_file=QPushButton("...")
		btn_file.setObjectName("fileButton")
		btn_file.clicked.connect(_fileChooser)
		box.addWidget(btn_file,1,1,1,1,Qt.AlignLeft|Qt.AlignTop)
		self.frame=QFrame()
		box.addWidget(self.frame,2,0,1,1,Qt.AlignTop)
		framebox=QGridLayout()
		self.frame.setLayout(framebox)
		framebox.addWidget(QLabel(_("App name")),0,0,1,1,Qt.AlignBottom)
		self.btn_icon=QPushButton()
		self.btn_icon.setToolTip(_("Push for icon change"))
		framebox.addWidget(self.btn_icon,0,1,2,1,Qt.AlignLeft)
		self.inp_name=QLineEdit()
		self.inp_name.setObjectName("fileInput")
		self.inp_name.setPlaceholderText(_("Application name"))
		framebox.addWidget(self.inp_name,1,0,1,1,Qt.AlignTop)
		framebox.addWidget(QLabel(_("App description")),2,0,1,1,Qt.AlignBottom)
		self.inp_desc=QLineEdit()
		self.inp_desc.setPlaceholderText(_("Application description"))
		framebox.addWidget(self.inp_desc,3,0,1,2,Qt.AlignTop)
		self.setLayout(box)
#		self.updateScreen()
		return(self)
	#def _load_screen

	def _loadAppData(self,air=""):
		if air:
			air_info=installer.AirManager().get_air_info(air)
			pb=air_info.get('pb','')
			if pb:
				#Convert GDK pixbuf to QPixmap
				img=QtGui.QImage(GdkPixbuf.Pixbuf.get_pixels(pb),GdkPixbuf.Pixbuf.get_width(pb),GdkPixbuf.Pixbuf.get_height(pb),QtGui.QImage.Format_ARGB32)#,GdkPixbuf.Pixbuf.get_rowstride(pb))
				icon=QtGui.QIcon(QtGui.QPixmap(img))
				self.btn_icon.setIcon(icon)
				self.btn_icon.setIconSize(QSize(64,64))
			name=air_info.get('name',os.path.basename(self.inp_file.text()))
			self.inp_name.setText(name)
			self.frame.setEnabled(True)
		else:
			self.inp_name.setText("")
			self.inp_desc.setText("")
			icon=QtGui.QIcon.fromTheme("application-x-air-installer")
			self.btn_icon.setIcon(icon)
			self.btn_icon.setIconSize(QSize(64,64))
			self.frame.setEnabled(False)
	#def _loadAppData

	def updateScreen(self):
		self.frame.setEnabled(True)
		air=self.inp_file.text()
		self._loadAppData(air)
	#def _udpate_screen
	
	def writeConfig(self):
		tmp_icon=tempfile.mkstemp()[1]
		self.btn_icon.icon().pixmap(QSize(64,64)).save(tmp_icon,"PNG")
		subprocess.check_call(['/usr/bin/xhost','+'])
		air=self.inp_file.text()
		try:
			ins=subprocess.check_call(['pkexec','/usr/bin/air-helper-installer.py','install',air,tmp_icon])
			self.install_err=False
		except Exception as e:
			self._debug(e)
		subprocess.check_output(["xdg-mime","install","/usr/share/mime/packages/x-air-installer.xml"])
		subprocess.check_output(["xdg-mime","default","/usr/share/applications/air-installer.desktop","/usr/share/mime/packages/x-air-installer.xml"],input=b"")
		subprocess.check_call(['/usr/bin/xhost','-'])
		self.showMsg(_("App %s installed succesfully"%os.path.basename(air)))
	#def writeConfig

	def _setCss(self):
		css="""
			#fileButton{
				margin:0px;
				padding:1px;
			}
			#fileInput{
				margin:0px;
			}
			#imgButton{
				margin:0px;
				padding:0px;
			}"""
		return(css)
	#def _setCss