package Slic3r::GUI::SkeinPanel;
use strict;
use warnings;
use utf8;

use File::Basename qw(basename dirname);
use Slic3r::Geometry qw(X Y);
use Wx qw(:sizer :progressdialog wxOK wxICON_INFORMATION wxICON_WARNING wxICON_ERROR wxICON_QUESTION
    wxOK wxCANCEL wxID_OK wxFD_OPEN wxFD_SAVE wxDEFAULT wxNORMAL);
use Wx::Event qw(EVT_BUTTON);
use base 'Wx::Panel';

our $last_skein_dir;
our $last_config_dir;
our $last_input_file;
our $last_output_file;
our $last_config;

sub new {
    my $class = shift;
    my ($parent) = @_;
    my $self = $class->SUPER::new($parent, -1);
    
    $self->{options_tabs} = {};
    my $tabpanel = Wx::Notebook->new($self, -1, Wx::wxDefaultPosition, Wx::wxDefaultSize, &Wx::wxNB_TOP);
    $tabpanel->AddPage(Slic3r::GUI::Plater->new($tabpanel), "Plater");
    $tabpanel->AddPage($self->{options_tabs}{print} = Slic3r::GUI::Tab::Print->new($tabpanel), "Print settings");
    $tabpanel->AddPage($self->{options_tabs}{filament} = Slic3r::GUI::Tab::Filament->new($tabpanel), "Filament settings");
    $tabpanel->AddPage($self->{options_tabs}{printer} = Slic3r::GUI::Tab::Printer->new($tabpanel), "Printer settings");
        
    my $buttons_sizer;
    {
        $buttons_sizer = Wx::BoxSizer->new(wxHORIZONTAL);
        
        my $slice_button = Wx::Button->new($self, -1, "Quick slice…");
        $slice_button->SetDefault();
        $buttons_sizer->Add($slice_button, 0, wxRIGHT, 20);
        EVT_BUTTON($self, $slice_button, sub { $self->do_slice });
        
        my $save_button = Wx::Button->new($self, -1, "Export config...");
        $buttons_sizer->Add($save_button, 0, wxRIGHT, 5);
        EVT_BUTTON($self, $save_button, sub { $self->save_config });
        
        my $load_button = Wx::Button->new($self, -1, "Load config...");
        $buttons_sizer->Add($load_button, 0, wxRIGHT, 5);
        EVT_BUTTON($self, $load_button, sub { $self->load_config });
        
        my $text = Wx::StaticText->new($self, -1, "Remember to check for updates at http://slic3r.org/\nVersion: $Slic3r::VERSION", Wx::wxDefaultPosition, Wx::wxDefaultSize, wxALIGN_RIGHT);
        my $font = Wx::Font->new(10, wxDEFAULT, wxNORMAL, wxNORMAL);
        $text->SetFont($font);
        $buttons_sizer->Add($text, 1, wxEXPAND | wxALIGN_RIGHT);
    }
    
    my $sizer = Wx::BoxSizer->new(wxVERTICAL);
    $sizer->Add($buttons_sizer, 0, wxEXPAND | wxALL, 10);
    $sizer->Add($tabpanel, 1, wxEXPAND);
    
    $sizer->SetSizeHints($self);
    $self->SetSizer($sizer);
    $self->Layout;
    
    return $self;
}

our $model_wildcard = "STL files (*.stl)|*.stl;*.STL|OBJ files (*.obj)|*.obj;*.OBJ|AMF files (*.amf)|*.amf;*.AMF;*.xml;*.XML";
our $ini_wildcard = "INI files *.ini|*.ini;*.INI";
our $gcode_wildcard = "G-code files *.gcode|*.gcode;*.GCODE";
our $svg_wildcard = "SVG files *.svg|*.svg;*.SVG";

sub do_slice {
    my $self = shift;
    my %params = @_;
    
    my $process_dialog;
    eval {
        # validate configuration
        Slic3r::Config->validate;

        # confirm slicing of more than one copies
        my $copies = $Slic3r::duplicate_grid->[X] * $Slic3r::duplicate_grid->[Y];
        $copies = $Slic3r::duplicate if $Slic3r::duplicate > 1;
        if ($copies > 1) {
            my $confirmation = Wx::MessageDialog->new($self, "Are you sure you want to slice $copies copies?",
                                                      'Confirm', wxICON_QUESTION | wxOK | wxCANCEL);
            return unless $confirmation->ShowModal == wxID_OK;
        }
        
        # select input file
        my $dir = $last_skein_dir || $last_config_dir || "";

        my $input_file;
        if (!$params{reslice}) {
            my $dialog = Wx::FileDialog->new($self, 'Choose a file to slice (STL/OBJ/AMF):', $dir, "", $model_wildcard, wxFD_OPEN | &Wx::wxFD_FILE_MUST_EXIST);
            if ($dialog->ShowModal != wxID_OK) {
                $dialog->Destroy;
                return;
            }
            $input_file = $dialog->GetPaths;
            $dialog->Destroy;
            $last_input_file = $input_file;
        } else {
            if (!defined $last_input_file) {
                Wx::MessageDialog->new($self, "No previously sliced file",
                                       'Confirm', wxICON_ERROR | wxOK)->ShowModal();
                return;
            }
            if (! -e $last_input_file) {
                Wx::MessageDialog->new($self, "Cannot find previously sliced file!",
                                       'Confirm', wxICON_ERROR | wxOK)->ShowModal();
                return;
            }
            $input_file = $last_input_file;
        }
        my $input_file_basename = basename($input_file);
        $last_skein_dir = dirname($input_file);
        
        my $print = Slic3r::Print->new;
        $print->add_object_from_file($input_file);
        $print->validate;

        # select output file
        my $output_file = $main::opt{output};
        if ($params{reslice}) {
            $output_file = $last_output_file if defined $last_output_file;
        } elsif ($params{save_as}) {
            $output_file = $print->expanded_output_filepath($output_file);
            $output_file =~ s/\.gcode$/.svg/i if $params{export_svg};
            my $dlg = Wx::FileDialog->new($self, 'Save ' . ($params{export_svg} ? 'SVG' : 'G-code') . ' file as:', dirname($output_file),
                basename($output_file), $params{export_svg} ? $svg_wildcard : $gcode_wildcard, wxFD_SAVE);
            if ($dlg->ShowModal != wxID_OK) {
                $dlg->Destroy;
                return;
            }
            $output_file = $last_output_file = $dlg->GetPath;
            $dlg->Destroy;
        }
        
        # show processbar dialog
        $process_dialog = Wx::ProgressDialog->new('Slicing...', "Processing $input_file_basename...", 
            100, $self, 0);
        $process_dialog->Pulse;
        
        {
            my @warnings = ();
            local $SIG{__WARN__} = sub { push @warnings, $_[0] };
            my %export_params = (
                output_file => $output_file,
                status_cb   => sub {
                    my ($percent, $message) = @_;
                    if (&Wx::wxVERSION_STRING =~ / 2\.(8\.|9\.[2-9])/) {
                        $process_dialog->Update($percent, "$message...");
                    }
                },
            );
            if ($params{export_svg}) {
                $print->export_svg(%export_params);
            } else {
                $print->export_gcode(%export_params);
            }
            Slic3r::GUI::warning_catcher($self)->($_) for @warnings;
        }
        $process_dialog->Destroy;
        undef $process_dialog;
        
        my $message = "$input_file_basename was successfully sliced";
        $message .= sprintf " in %d minutes and %.3f seconds",
            int($print->processing_time/60),
            $print->processing_time - int($print->processing_time/60)*60
                if $print->processing_time;
        $message .= ".";
        Slic3r::GUI::notify($message);
        Wx::MessageDialog->new($self, $message, 'Done!', 
            wxOK | wxICON_INFORMATION)->ShowModal;
    };
    Slic3r::GUI::catch_error($self, sub { $process_dialog->Destroy if $process_dialog });
}

sub save_config {
    my $self = shift;
    
    my $process_dialog;
    eval {
        # validate configuration
        Slic3r::Config->validate;
    };
    Slic3r::GUI::catch_error($self, sub { $process_dialog->Destroy if $process_dialog }) and return;
    
    my $dir = $last_config ? dirname($last_config) : $last_config_dir || $last_skein_dir || "";
    my $filename = $last_config ? basename($last_config) : "config.ini";
    my $dlg = Wx::FileDialog->new($self, 'Save configuration as:', $dir, $filename, 
        $ini_wildcard, wxFD_SAVE | &Wx::wxFD_OVERWRITE_PROMPT);
    if ($dlg->ShowModal == wxID_OK) {
        my $file = $dlg->GetPath;
        $last_config_dir = dirname($file);
        $last_config = $file;
        Slic3r::Config->save($file);
    }
    $dlg->Destroy;
}

sub load_config {
    my $self = shift;
    
    my $dir = $last_config ? dirname($last_config) : $last_config_dir || $last_skein_dir || "";
    my $dlg = Wx::FileDialog->new($self, 'Select configuration to load:', $dir, "config.ini", 
        $ini_wildcard, wxFD_OPEN | &Wx::wxFD_FILE_MUST_EXIST);
    if ($dlg->ShowModal == wxID_OK) {
        my ($file) = $dlg->GetPaths;
        $last_config_dir = dirname($file);
        $last_config = $file;
        eval {
            local $SIG{__WARN__} = Slic3r::GUI::warning_catcher($self);
            Slic3r::Config->load($file);
        };
        Slic3r::GUI::catch_error($self);
        $_->() for values %Slic3r::GUI::OptionsGroup::reload_callbacks;
        $_->external_config_loaded($file) for values %{$self->{options_tabs}};
    }
    $dlg->Destroy;
}

1;