#!/usr/bin/python3
import sys
import os
import subprocess
from PySide2.QtWidgets import QApplication, QLabel, QWidget, QPushButton,QVBoxLayout,QLineEdit,QGridLayout,QHBoxLayout,QComboBox,QCheckBox,QTableWidget, \
				QGraphicsDropShadowEffect, QHeaderView
from PySide2 import QtGui
from PySide2.QtCore import Qt,QSize,Signal
from appconfig.appConfigStack import appConfigStack as confStack
from edupals.ui import QAnimatedStatusBar
from stacks.lib.libappmanager import appmanager as appmanager
from app2menu import App2Menu

import gettext
_ = gettext.gettext

class appWidget(QWidget):
	remove=Signal("PyObject")
	execute=Signal("PyObject")
	def __init__(self,appimage,parent=None):
		super (appWidget,self).__init__(parent)
		self.desktop=''
		self.app=appimage
		box=QGridLayout()
		box.setColumnStretch(0,-1)
		box.setColumnStretch(1,1)
		self.btn_icon=QPushButton()
		effect=QGraphicsDropShadowEffect(blurRadius=5,xOffset=3,yOffset=3)
		self.btn_icon.setGraphicsEffect(effect)
		self.btn_icon.setIconSize(QSize(64,64))
		self.btn_icon.setMinimumHeight(72)
		self.btn_icon.clicked.connect(self._executeAir)
		box.addWidget(self.btn_icon,0,0,2,1,Qt.AlignLeft)
		self.lbl_name=QLabel("")
		self.lbl_name.setObjectName("appName")
		box.addWidget(self.lbl_name,0,1,1,1,Qt.AlignLeft)
		self.lbl_desc=QLabel("")
		box.addWidget(self.lbl_desc,1,1,1,2,Qt.AlignLeft)
		btn_remove=QPushButton(_("Remove"))
		btn_remove.setObjectName("btnRemove")
		btn_remove.clicked.connect(self._removeAir)
		box.addWidget(btn_remove,0,2,1,1,Qt.AlignLeft)
		self.setObjectName("cell")
		self.setLayout(box)
		self.setStyleSheet(self._setCss())
	#def __init__

	def mouseDoubleClickEvent(self,*args):
		self._executeAir()

	def getApp(self):
		return(self.app)

	def setIcon(self,icon):
		print(icon)
		self.btn_icon.setIcon(icon)
	#def setIcon

	def setDesktop(self,desktop):
		self.desktop=desktop
	#def setName

	def getDesktop(self):
		return(self.desktop)

	def setName(self,name):
		self.lbl_name.setText(name)
	#def setName

	def getName(self):
		return(self.lbl_name.text())

	def setDesc(self,desc):
		self.lbl_desc.setText(desc)
	#def setDesc
	
	def getDesc(self):
		return(self.lbl_desc.text())
	
	def getIcon(self):
		return(self.lbl_desc.text())
	
	def setExe(self,exe):
		self.exe=exe.replace("'","")
	#def setExe

	def _removeAir(self):
		self.remove.emit(self)

	def _executeAir(self):
		cursor=QtGui.QCursor(Qt.WaitCursor)
		self.setCursor(cursor)
		self.pid=subprocess.Popen(self.app,stdin=None,stdout=None,stderr=None,shell=False)
		cursor=QtGui.QCursor(Qt.ArrowCursor)
		self.setCursor(cursor)
	#def _executeAir(self):

	def _setCss(self):
		css="""
		#cell{
			padding:10px;
			margin:6px;
			background-color:rgb(250,250,250);
		}

		#appName{
			font-weight:bold;
			border:0px;
		}
		#btnRemove{
			background:red;
			color:white;
			font-size:9pt;
			padding:3px;
			margin:3px;
		}"""
	#def _setCss

#class airWidget

class manager(confStack):
	def __init_stack__(self):
		self.dbg=False
		self._debug("manager load")
		self.description=(_("Appimage Manager"))
		self.menu_description=(_("Manage appimages"))
		self.icon=('dialog-password')
		self.tooltip=(_("From here you can manage the appimage availables on your system"))
		self.index=1
		self.enabled=True
		self.level='system'
		self.hideControlButtons()
		self.appmanager=appmanager()
		self.menu=App2Menu.app2menu()
		self.setStyleSheet(self._setCss())
		self.widget=''
		self.paths=["/usr/local/bin","%s/AppImages"%os.environ["HOME"],"%s/Applications"%os.environ["HOME"]]
	#def __init__
	
	def _load_screen(self):
		box=QVBoxLayout()
		self.lst_appimage=QTableWidget(0,1)
		self.lst_appimage.setShowGrid(False)
		self.lst_appimage.horizontalHeader().hide()
		self.lst_appimage.verticalHeader().hide()
		self.lst_appimage.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
		self.lst_appimage.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
		box.addWidget(self.lst_appimage)
		self.setLayout(box)
		self.updateScreen()
		return(self)
	#def _load_screen

	def updateScreen(self):
		self.lst_appimage.clear()
		cont=0
		for path in self.paths:
			if os.path.isdir(path):
				for fn in os.listdir(path):
					if fn.endswith("appimage"):
						appCell=self._paintCell(os.path.join(path,fn))
						if appCell:
							self.lst_appimage.insertRow(cont)
							self.lst_appimage.setCellWidget(cont,0,appCell)
							self.lst_appimage.resizeRowToContents(cont)
							cont+=1
		if cont==0:
			self.lst_appimage.insertRow(0)
			lbl=QLabel(_("There's no appimage available"))
			lbl.setStyleSheet("background:silver;border:0px;margin:0px")
			self.lst_appimage.setCellWidget(0,0,lbl)
			cont+=1

		while (cont<self.lst_appimage.rowCount()):
			self.lst_appimage.removeRow(cont)
		self.lst_appimage.resizeColumnsToContents()

		return True
	#def _udpate_screen

	def _paintCell(self,appimage):
		widget=None
		if appimage:
			data=self.appmanager.getAppData(appimage)
			if data.get('name',''):
				widget=appWidget(appimage)
#				widget.setDesktop(airApp.get('desktop'))
				widget.remove.connect(self._removeApp)
				widget.setName(data['name'])
#				icon=desktop.get('Icon','')
				widget.setIcon(data['icon'])
				widget.setDesc(data['desc'])
				widget.setExe(data['exe'])
		return widget
	#def _paintCell

	def writeConfig(self):
		if self.widget=='':
			return
		self.appmanager.localRemove(self.widget.getApp())
		self.showMsg(_("App %s uninstalled"%self.widget.getName()))
		self.updateScreen()
	#def writeConfig

	def _removeApp(self,widget):
		self.widget=widget
		self.writeConfig()
	#def _removeAir

	def _setCss(self):
		css="""
		#cell{
			padding:10px;
			margin:6px;
			background-color:rgb(250,250,250);

		}
		#appName{
			font-weight:bold;
			border:0px;
		}
		#btnRemove{
			background:red;
			color:white;
			font-size:9pt;
			padding:3px;
			margin:3px;
		}
		
		"""

		return(css)
	#def _setCss