"""properties.py - Properties dialog."""

import os
import time
import stat
try:
    import pwd
except ImportError:
    # Running on non-Unix machine.
    pass

import gtk
import pango

import archive
import encoding
import image
import labels

_dialog = None


class _Page(gtk.VBox):

    """A page to put in the gtk.Notebook. Contains info about a file (an
    image or an archive.)
    """

    def __init__(self):
        gtk.VBox.__init__(self, False, 12)

        self.set_border_width(12)
        topbox = gtk.HBox(False, 12)
        self.pack_start(topbox, False)
        self._thumb = gtk.Image()
        topbox.pack_start(self._thumb, False, False)
        borderbox = gtk.EventBox()
        borderbox.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#333'))
        borderbox.set_size_request(-1, 130)
        topbox.pack_start(borderbox)
        insidebox = gtk.EventBox()
        insidebox.set_border_width(1)
        insidebox.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#ddb'))
        borderbox.add(insidebox)
        self._mainbox = gtk.VBox(False, 5)
        self._mainbox.set_border_width(10)
        insidebox.add(self._mainbox)

    def set_thumbnail(self, pixbuf):
        pixbuf = image.add_border(pixbuf, 1)
        self._thumb.set_from_pixbuf(pixbuf)

    def set_filename(self, filename):
        """Set the filename to be displayed to <filename>. Call this before
        set_main_info().
        """
        label = labels.BoldLabel(encoding.to_unicode(filename))
        label.set_alignment(0, 0.5)
        self._mainbox.pack_start(label, False, False)
        self._mainbox.pack_start(gtk.VBox()) # Just to add space (better way?)

    def set_main_info(self, info):
        """Set the information in the main info box (below the filename) to
        the values in the sequence <info>.
        """
        for text in info:
            label = gtk.Label(text)
            label.set_alignment(0, 0.5)
            self._mainbox.pack_start(label, False, False)

    def set_secondary_info(self, info):
        """Set the information below the main info box to the values in the
        sequence <info>. Each entry in info should be a tuple (desc, value).
        """
        hbox = gtk.HBox(False, 10)
        self.pack_start(hbox, False, False)
        left_box = gtk.VBox(True, 8)
        right_box = gtk.VBox(True, 8)
        hbox.pack_start(left_box, False, False)
        hbox.pack_start(right_box, False, False)
        for desc, value in info:
            desc_label = labels.BoldLabel('%s:' % desc)
            desc_label.set_alignment(1.0, 1.0)
            left_box.pack_start(desc_label, True, True)
            value_label = gtk.Label(value)
            value_label.set_alignment(0, 1.0)
            right_box.pack_start(value_label, True, True)


class _PropertiesDialog(gtk.Dialog):

    def __init__(self, window):

        gtk.Dialog.__init__(self, _('Properties'), window, 0,
            (gtk.STOCK_CLOSE, gtk.RESPONSE_CLOSE))

        self.set_resizable(False)
        self.set_has_separator(False)
        self.connect('response', _close_dialog)
        self.set_default_response(gtk.RESPONSE_CLOSE)
        notebook = gtk.Notebook()
        self.set_border_width(4)
        notebook.set_border_width(6)
        self.vbox.pack_start(notebook, False, False, 0)

        if window.file_handler.archive_type is not None:
            # ------------------------------------------------------------
            # Archive tab
            # ------------------------------------------------------------
            page = _Page()
            thumb = window.file_handler.get_thumbnail(1, width=200, height=128)
            page.set_thumbnail(thumb)
            filename = window.file_handler.get_pretty_current_filename()
            page.set_filename(filename)
            try:
                stats = os.stat(window.file_handler.get_path_to_base())
                main_info = (
                    _('%d pages') % window.file_handler.get_number_of_pages(),
                    _('%d comments') %
                        window.file_handler.get_number_of_comments(),
                    archive.get_name(window.file_handler.archive_type),
                    '%.1f MiB' % (stats.st_size / 1048576.0))
                page.set_main_info(main_info)
                try:
                    uid = pwd.getpwuid(stats.st_uid)[0]
                except Exception:
                    uid = str(stats.st_uid)
                secondary_info = (
                    (_('Location'), encoding.to_unicode(os.path.dirname(
                    window.file_handler.get_path_to_base()))),
                    (_('Accessed'), time.strftime('%Y-%m-%d, %H:%M:%S',
                    time.localtime(stats.st_atime))),
                    (_('Modified'), time.strftime('%Y-%m-%d, %H:%M:%S',
                    time.localtime(stats.st_mtime))),
                    (_('Permissions'), oct(stat.S_IMODE(stats.st_mode))),
                    (_('Owner'), uid))
                page.set_secondary_info(secondary_info)
            except Exception:
                pass
            notebook.append_page(page, gtk.Label(_('Archive')))

        # ----------------------------------------------------------------
        # Image tab
        # ----------------------------------------------------------------
        path = window.file_handler.get_path_to_page()
        page = _Page()
        thumb = window.file_handler.get_thumbnail(width=200, height=128)
        page.set_thumbnail(thumb)
        filename = os.path.basename(path)
        page.set_filename(filename)
        try:
            stats = os.stat(path)
            width, height = window.file_handler.get_size()
            main_info = (
                '%dx%d px' % (width, height),
                window.file_handler.get_mime_name(),
                '%.1f KiB' % (stats.st_size / 1024.0))
            page.set_main_info(main_info)
            try:
                uid = pwd.getpwuid(stats.st_uid)[0]
            except Exception:
                uid = str(stats.st_uid)
            secondary_info = (
                (_('Location'), encoding.to_unicode(os.path.dirname(path))),
                (_('Accessed'), time.strftime('%Y-%m-%d, %H:%M:%S',
                time.localtime(stats.st_atime))),
                (_('Modified'), time.strftime('%Y-%m-%d, %H:%M:%S',
                time.localtime(stats.st_mtime))),
                (_('Permissions'), oct(stat.S_IMODE(stats.st_mode))),
                (_('Owner'), uid))
            page.set_secondary_info(secondary_info)
        except Exception:
            pass
        notebook.append_page(page, gtk.Label(_('Image')))
        self.show_all()


def open_dialog(action, window):
    global _dialog
    if _dialog is None:
        _dialog = _PropertiesDialog(window)
    else:
        _dialog.present()


def _close_dialog(*args):
    global _dialog
    if _dialog is not None:
        _dialog.destroy()
        _dialog = None