"""
    Flowblade Movie Editor is a nonlinear video editor.
    Copyright 2012 Janne Liljeblad.

    This file is part of Flowblade Movie Editor <https://github.com/jliljebl/flowblade/>.

    Flowblade Movie Editor is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Flowblade Movie Editor is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Flowblade Movie Editor. If not, see <http://www.gnu.org/licenses/>.
"""

"""
This module handles functionality presented in Profiles Manager window.
"""


from gi.repository import Gtk

import os

import atomicfile
import dialogutils
import editorpersistance
import gui
import guicomponents
import guiutils
import mltprofiles
import render
import respaths
import userfolders

PROFILES_WIDTH = 480
PROFILES_HEIGHT = 600
PROFILE_MANAGER_LEFT = 265 # label column of profile manager panel

def profiles_manager_dialog():
    dialog = Gtk.Dialog(_("Profiles Manager"), None,
                    Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT,
                    (_("Close Manager"), Gtk.ResponseType.CLOSE))

    panel2, user_profiles_view = _get_user_profiles_panel()
    guiutils.set_margins(panel2, 12, 14, 12, 6)

    panel1 = _get_factory_profiles_panel(user_profiles_view)
    guiutils.set_margins(panel1, 12, 12, 12, 12)

    pane = Gtk.HBox(True, 2)
    pane.pack_start(panel1, True, True, 0)
    pane.pack_start(panel2, True, True, 0)
    pane.set_size_request(PROFILES_WIDTH * 2, PROFILES_HEIGHT)
    pane.show_all()
    dialog.connect('response', dialogutils.dialog_destroy)
    
    dialog.vbox.pack_start(pane, True, True, 0)
    dialogutils.set_outer_margins(dialog.vbox)
    dialogutils.default_behaviour(dialog)
    dialog.show_all()
    return dialog

def _get_user_profiles_panel():
    # User profiles view
    user_profiles_list = guicomponents.ProfileListView()
    user_profiles_list.fill_data_model(mltprofiles.get_user_profiles())    
    delete_selected_button = Gtk.Button(label=_("Delete Selected"))
    
    user_vbox = Gtk.VBox(False, 2)
    user_vbox.pack_start(user_profiles_list, True, True, 0)
    user_vbox.pack_start(guiutils.get_right_justified_box([delete_selected_button]), False, False, 0)

    # Create profile panel
    default_profile_index = mltprofiles.get_default_profile_index()
    default_profile = mltprofiles.get_default_profile()

    load_profile_button = Gtk.Button(label=_("Load Profile Values"))

    load_profile_combo = Gtk.ComboBoxText()
    profiles = mltprofiles.get_profiles()
    for profile in profiles:
        load_profile_combo.append_text(profile[0])
    load_profile_combo.set_active(default_profile_index)  

    description = Gtk.Entry()
    description.set_text("User Created Profile")

    f_rate_num = Gtk.Entry()
    f_rate_num.set_text(str(25))
    f_rate_dem = Gtk.Entry()
    f_rate_dem.set_text(str(1))

    width = Gtk.Entry()
    width.set_text(str(720))

    height = Gtk.Entry()
    height.set_text(str(576))
    
    s_rate_num = Gtk.Entry()
    s_rate_num.set_text(str(15))
    s_rate_dem = Gtk.Entry()
    s_rate_dem.set_text(str(16))
    
    d_rate_num = Gtk.Entry()
    d_rate_num.set_text(str(4))
    d_rate_dem = Gtk.Entry()
    d_rate_dem.set_text(str(3))

    progressive = Gtk.CheckButton()
    progressive.set_active(False)

    save_button = Gtk.Button(label=_("Save New Profile"))

    widgets = (load_profile_combo, description, f_rate_num, f_rate_dem, width, height, s_rate_num,
                s_rate_dem, d_rate_num, d_rate_dem, progressive)
    _fill_new_profile_panel_widgets(default_profile, widgets)
    
    # build panel
    profile_row = Gtk.HBox(False,0)
    profile_row.pack_start(load_profile_combo, False, False, 0)
    profile_row.pack_start(Gtk.Label(), True, True, 0)
    profile_row.pack_start(load_profile_button, False, False, 0)

    row0 = guiutils.get_two_column_box(Gtk.Label(label=_("Description.:")), description, PROFILE_MANAGER_LEFT)
    row1 = guiutils.get_two_column_box(Gtk.Label(label=_("Frame rate num.:")), f_rate_num, PROFILE_MANAGER_LEFT)
    row2 = guiutils.get_two_column_box(Gtk.Label(label=_("Frame rate den.:")), f_rate_dem, PROFILE_MANAGER_LEFT)
    row3 = guiutils.get_two_column_box(Gtk.Label(label=_("Width:")), width, PROFILE_MANAGER_LEFT)
    row4 = guiutils.get_two_column_box(Gtk.Label(label=_("Height:")), height, PROFILE_MANAGER_LEFT)
    row5 = guiutils.get_two_column_box(Gtk.Label(label=_("Sample aspect num.:")), s_rate_num, PROFILE_MANAGER_LEFT)
    row6 = guiutils.get_two_column_box(Gtk.Label(label=_("Sample aspect den.:")), s_rate_dem, PROFILE_MANAGER_LEFT)
    row7 = guiutils.get_two_column_box(Gtk.Label(label=_("Display aspect num.:")), d_rate_num, PROFILE_MANAGER_LEFT)
    row8 = guiutils.get_two_column_box(Gtk.Label(label=_("Display aspect den.:")), d_rate_dem, PROFILE_MANAGER_LEFT)
    row9 = guiutils.get_two_column_box(Gtk.Label(label=_("Progressive:")), progressive, PROFILE_MANAGER_LEFT)

    save_row = Gtk.HBox(False,0)
    save_row.pack_start(Gtk.Label(), True, True, 0)
    save_row.pack_start(save_button, False, False, 0)
    
    create_vbox = Gtk.VBox(False, 2)
    create_vbox.pack_start(profile_row, False, False, 0)
    create_vbox.pack_start(guiutils.get_pad_label(10, 10), False, False, 0)
    create_vbox.pack_start(row0, False, False, 0)
    create_vbox.pack_start(row1, False, False, 0)
    create_vbox.pack_start(row2, False, False, 0)
    create_vbox.pack_start(row3, False, False, 0)
    create_vbox.pack_start(row4, False, False, 0)
    create_vbox.pack_start(row5, False, False, 0)
    create_vbox.pack_start(row6, False, False, 0)
    create_vbox.pack_start(row7, False, False, 0)
    create_vbox.pack_start(row8, False, False, 0)
    create_vbox.pack_start(row9, False, False, 0)
    create_vbox.pack_start(guiutils.get_pad_label(10, 10), False, False, 0)
    create_vbox.pack_start(save_row, False, False, 0)

    # callbacks
    load_profile_button.connect("clicked",lambda w,e: _load_values_clicked(widgets), None)
    save_button.connect("clicked",lambda w,e: _save_profile_clicked(widgets, user_profiles_list), None)
    delete_selected_button.connect("clicked",lambda w,e: _delete_user_profiles_clicked(user_profiles_list), None)

    vbox = Gtk.VBox(False, 2)
    vbox.pack_start(guiutils.get_named_frame(_("Create User Profile"), create_vbox), False, False, 0)
    vbox.pack_start(guiutils.get_named_frame(_("User Profiles"), user_vbox), True, True, 0)

    return (vbox, user_profiles_list)


def _get_factory_profiles_panel(user_profiles_list):

    # Factory
    all_profiles_list = guicomponents.ProfileListView(_("Visible"))
    all_profiles_list.fill_data_model(mltprofiles.get_factory_profiles())    
    hide_selected_button = Gtk.Button(label=_("Hide Selected"))
    
    hidden_profiles_list = guicomponents.ProfileListView(_("Hidden"))
    hidden_profiles_list.fill_data_model(mltprofiles.get_hidden_profiles())   
    unhide_selected_button = Gtk.Button(label=_("Unhide Selected"))
    
    stop_icon = Gtk.Image.new_from_file(respaths.IMAGE_PATH + "bothways.png")
    
    BUTTON_WIDTH = 120
    BUTTON_HEIGHT = 28
    hide_selected_button.set_size_request(BUTTON_WIDTH, BUTTON_HEIGHT)
    unhide_selected_button.set_size_request(BUTTON_WIDTH, BUTTON_HEIGHT)
    
    # callbacks
    hide_selected_button.connect("clicked",lambda w,e: _hide_selected_clicked(all_profiles_list, hidden_profiles_list), None)
    unhide_selected_button.connect("clicked",lambda w,e: _unhide_selected_clicked(all_profiles_list, hidden_profiles_list), None)    

    top_hbox = Gtk.HBox(True, 2)
    top_hbox.pack_start(all_profiles_list, True, True, 0)
    top_hbox.pack_start(hidden_profiles_list, True, True, 0)
    
    bottom_hbox = Gtk.HBox(False, 2)
    bottom_hbox.pack_start(hide_selected_button, False, False, 0)
    bottom_hbox.pack_start(Gtk.Label(), True, True, 0)
    bottom_hbox.pack_start(stop_icon, False, False, 0)
    bottom_hbox.pack_start(Gtk.Label(), True, True, 0)
    bottom_hbox.pack_start(unhide_selected_button, False, False, 0)

    factory_vbox = Gtk.VBox(False, 2)
    factory_vbox.pack_start(top_hbox, True, True, 0)
    factory_vbox.pack_start(bottom_hbox, False, False, 0)

    vbox = Gtk.VBox(True, 2)
    vbox.pack_start(guiutils.get_named_frame(_("Factory Profiles"), factory_vbox), True, True, 0)
    
    return vbox

def _fill_new_profile_panel_widgets(profile, widgets):
    load_profile_combo, description, f_rate_num, f_rate_dem, width, height, s_rate_num, s_rate_dem, d_rate_num, d_rate_dem, progressive = widgets
    description.set_text(_("User ") + profile.description())
    f_rate_num.set_text(str(profile.frame_rate_num()))
    f_rate_dem.set_text(str(profile.frame_rate_den()))
    width.set_text(str(profile.width()))
    height.set_text(str(profile.height()))
    s_rate_num.set_text(str(profile.sample_aspect_num()))
    s_rate_dem.set_text(str(profile.sample_aspect_den()))
    d_rate_num.set_text(str(profile.display_aspect_num()))
    d_rate_dem.set_text(str(profile.display_aspect_den()))
    progressive.set_active(profile.progressive())
    
def _load_values_clicked(widgets):
    load_profile_combo, description, f_rate_num, f_rate_dem, width, height, \
    s_rate_num, s_rate_dem, d_rate_num, d_rate_dem, progressive = widgets
    
    profile = mltprofiles.get_profile_for_index(load_profile_combo.get_active())
    _fill_new_profile_panel_widgets(profile, widgets)

def _save_profile_clicked(widgets, user_profiles_view):
    load_profile_combo, description, f_rate_num, f_rate_dem, width, height, \
    s_rate_num, s_rate_dem, d_rate_num, d_rate_dem, progressive = widgets

    profile_file_name = description.get_text().lower().replace(os.sep, "_").replace(" ","_")
    
    file_contents = "description=" + description.get_text() + "\n"
    file_contents += "frame_rate_num=" + f_rate_num.get_text() + "\n"
    file_contents += "frame_rate_den=" + f_rate_dem.get_text() + "\n"
    file_contents += "width=" + width.get_text() + "\n"
    file_contents += "height=" + height.get_text() + "\n"
    if progressive.get_active() == True:
        prog_val = "1"
    else:
        prog_val = "0"
    file_contents += "progressive=" + prog_val + "\n"
    file_contents += "sample_aspect_num=" + s_rate_num.get_text() + "\n"
    file_contents += "sample_aspect_den=" + s_rate_dem.get_text() + "\n"
    file_contents += "display_aspect_num=" + d_rate_num.get_text() + "\n"
    file_contents += "display_aspect_den=" + d_rate_dem.get_text() + "\n"

    profile_path = userfolders.get_data_dir() + mltprofiles.USER_PROFILES_DIR + profile_file_name

    if os.path.exists(profile_path):
        dialogutils.warning_message(_("Profile '") +  description.get_text() + _("' already exists!"), \
                                _("Delete profile and save again."),  gui.editor_window.window)
        return

    with atomicfile.AtomicFileWriter(profile_path, "w") as afw:
        profile_file = afw.get_file()
        profile_file.write(file_contents)

    dialogutils.info_message(_("Profile '") +  description.get_text() + _("' saved."), \
                 _("You can now create a new project using the new profile."), gui.editor_window.window)
    
    mltprofiles.load_profile_list()
    render.reload_profiles()
    user_profiles_view.fill_data_model(mltprofiles.get_user_profiles())


def _delete_user_profiles_clicked(user_profiles_view):
    delete_indexes = user_profiles_view.get_selected_indexes_list()
    if len(delete_indexes) == 0:
        return

    primary_txt = _("Confirm user profile delete")
    secondary_txt = _("This operation cannot be undone.") 
    
    dialogutils.warning_confirmation(_profiles_delete_confirm_callback, primary_txt, \
                                 secondary_txt, gui.editor_window.window, \
                                (user_profiles_view, delete_indexes))

def _profiles_delete_confirm_callback(dialog, response_id, data):
    if response_id != Gtk.ResponseType.ACCEPT:
        dialog.destroy()
        return

    user_profiles_view, delete_indexes = data
    for i in delete_indexes:
        pname, profile = mltprofiles.get_user_profiles()[i]
        profile_file_name = pname.lower().replace(os.sep, "_").replace(" ","_")
        profile_path = userfolders.get_data_dir() + mltprofiles.USER_PROFILES_DIR + profile_file_name

        try:
            os.remove(profile_path)
        except:
            # This really should not happen
            print("removed user profile already gone ???")

    mltprofiles.load_profile_list()
    render.reload_profiles()
    user_profiles_view.fill_data_model(mltprofiles.get_user_profiles())
    dialog.destroy()

def _hide_selected_clicked(visible_view, hidden_view):
    visible_indexes = visible_view.get_selected_indexes_list()
    prof_names = []
    default_profile = mltprofiles.get_default_profile()
    for i in visible_indexes:
        pname, profile = mltprofiles.get_factory_profiles()[i]
        if profile == default_profile:
            dialogutils.warning_message("Can't hide default Profile", 
                                    "Profile '"+ profile.description() + "' is default profile and can't be hidden.", 
                                    None)
            return
        prof_names.append(pname)

    editorpersistance.prefs.hidden_profile_names += prof_names
    editorpersistance.save()

    mltprofiles.load_profile_list()
    render.reload_profiles()
    visible_view.fill_data_model(mltprofiles.get_factory_profiles())
    hidden_view.fill_data_model(mltprofiles.get_hidden_profiles())

def _unhide_selected_clicked(visible_view, hidden_view):
    hidden_indexes = hidden_view.get_selected_indexes_list()
    prof_names = []
    for i in hidden_indexes:
        pname, profile = mltprofiles.get_hidden_profiles()[i]
        prof_names.append(pname)
    
    editorpersistance.prefs.hidden_profile_names = list(set(editorpersistance.prefs.hidden_profile_names) - set(prof_names))
    editorpersistance.save()
    
    mltprofiles.load_profile_list()
    render.reload_profiles()
    visible_view.fill_data_model(mltprofiles.get_factory_profiles())
    hidden_view.fill_data_model(mltprofiles.get_hidden_profiles())
