# This Python file uses the following encoding: utf-8
"""
GUI, main window class and correspondig methods for pyGTKtalog app.
"""
import sys
import os
import mimetypes
import popen2

import pygtk
import gtk
import gtk.glade

from config import Config
import deviceHelper
import dialogs

class PyGTKtalog:
    def __init__(self):
        
        self.conf = Config()
        
        self.gladefile = "glade/main.glade"
        self.pygtkcat = gtk.glade.XML(self.gladefile,"main")
        
        self.window = self.pygtkcat.get_widget("main")
        self.window.set_title("pyGTKtalog")
        icon = gtk.gdk.pixbuf_new_from_file("pixmaps/mainicon.png")
        self.window.set_icon_list(icon)
        
        self.progress = self.pygtkcat.get_widget("progressbar1")
        
        self.status = self.pygtkcat.get_widget("mainStatus")
        self.sbSearchCId = self.status.get_context_id('detailed res')
        self.sbid = self.status.push(self.sbSearchCId, "Idle")
        
        self.detailplaceholder = self.pygtkcat.get_widget("detailplace")
        self.detailplaceholder.set_sensitive(False)
        self.details = self.pygtkcat.get_widget("details")
        self.details.hide()
        
        self.widgets = ("discs","files","details",'save1','save_as1','cut1','copy1','paste1','delete1','add_cd','add_directory1')
        for w in self.widgets:
            a = self.pygtkcat.get_widget(w)
            a.set_sensitive(False)
        
        a = self.pygtkcat.get_widget('hpaned1')
        a.set_position(self.conf.confd['h'])
        a = self.pygtkcat.get_widget('vpaned1')
        a.set_position(self.conf.confd['v'])
        self.window.resize(self.conf.confd['wx'],self.conf.confd['wy'])
        
        # sygnały:
        dic = {"on_main_destroy_event"  :self.doQuit,
               "on_quit1_activate"      :self.doQuit,
               "on_new1_activate"       :self.newDB,
               "on_add_cd_activate"     :self.addCD,
        }
        
        # connect signals
        self.pygtkcat.signal_autoconnect(dic)
        self.window.connect("delete_event", self.deleteEvent)
    
    def storeSettings(self):
        """Store window size and pane position in config file (using config object)"""
        hpan = self.pygtkcat.get_widget('hpaned1')
        vpan = self.pygtkcat.get_widget('vpaned1')
        
        self.conf.confd['wx'], self.conf.confd['wy'] = self.window.get_size()
        self.conf.confd['h'],self.conf.confd['v'] = hpan.get_position(), vpan.get_position()
        
        self.conf.save()
        
        return
        
    def doQuit(self, widget):
        """quit and save window parameters to config file"""
        try:
            if widget.title:
                pass
        except:
            self.storeSettings()
        gtk.main_quit()
        return False
        
    def newDB(self,widget):
        """create database in temporary place"""
        self.window.set_title("żażółć gęślą jaźń")
        #self.window.set_title("untitled - pyGTKtalog")
        for w in self.widgets:
            try:
                a = self.pygtkcat.get_widget(w)
                a.set_sensitive(True)
                # PyGTK FAQ entry 23.20
            except:
                pass
            while gtk.events_pending():
                gtk.main_iteration()
                
        #self.details.set_sensitive(True)
        #self.details.destroy()
        
        #self.details = gtk.Button("Press mi or daj");
        #self.details.set_name("details")
        
        #self.detailplaceholder.add_with_viewport(self.details)
        #self.details.show()
        return
    
    def deleteEvent(self, widget, event, data=None):
        """checkout actual database changed. If so, do the necessary ask."""
        self.storeSettings()
        return False
   
    def run(self):
        self.window.show();
        gtk.main()
        
    def addCD(self,widget):
        mount = deviceHelper.volmount(self.conf.confd['cd'])
        if mount == 'ok':
            self.scan(self.conf.confd['cd'])
            deviceHelper.eject_cd()
        else:
            msg = dialogs.Wrn(self.window, "error mounting device - pyGTKtalog","Cannot mount device pointed to %s.\nLast mount message:\n<tt>%s</tt>" % (self.conf.confd['cd'],mount))
            
    def scan(self,path):
        mime = mimetypes.MimeTypes()
        extensions = ('mkv','avi','ogg','mpg','wmv','mp4')
        
        count = 0
        for root,kat,plik in os.walk(path):
            for p in plik:
                count+=1
        
        frac = 1.0/count
        count = 1
        #self.progress.set_pulse_step(0)
        for root,kat,plik in os.walk(path):
            for p in plik:
                if p[-3:].lower() in extensions or \
                mime.guess_type(p)!= (None,None) and \
                mime.guess_type(p)[0].split("/")[0] == 'video':
                    # video only
                    # TODO: parametrize this loop!
                    info = popen2.popen4('midentify "' + os.path.join(root,p)+'"')[0].readlines()
                    video_format = ''
                    audio_codec = ''
                    video_codec = ''
                    video_x = ''
                    video_y = ''
                    for line in info:
                        l = line.split('=')
                        val = l[1].split('\n')[0]
                        if l[0] == 'ID_VIDEO_FORMAT':
                            video_format = val
                        elif l[0] == 'ID_AUDIO_CODEC':
                            audio_codec = val
                        elif l[0] == 'ID_VIDEO_CODEC':
                            video_codec = val
                        elif l[0] == 'ID_VIDEO_WIDTH':
                            video_x = val
                        elif l[0] == 'ID_VIDEO_HEIGHT':
                            video_y = val
                if self.sbid != 0:
                    """jeśli jest jakiś mesedż, usuń go"""
                    self.status.remove(self.sbSearchCId, self.sbid)
                self.sbid = self.status.push(self.sbSearchCId, "Scannig: %s" % (os.path.join(root,p)))
                
                self.progress.set_fraction(frac * count)
                count+=1
                
                # PyGTK FAQ entry 23.20
                while gtk.events_pending(): gtk.main_iteration()
        if self.sbid != 0:
            self.status.remove(self.sbSearchCId, self.sbid)
        self.sbid = self.status.push(self.sbSearchCId, "Idle")
        
        self.progress.set_fraction(0)