# File: WebPaste.pm
# Author: pragma_
#
# Purpose: Pastes text to web paste sites.

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

package PBot::WebPaste;

use parent 'PBot::Class';

use warnings; use strict;
use feature 'unicode_strings';

use Time::HiRes qw/gettimeofday/;
use Time::Duration;
use LWP::UserAgent::Paranoid;
use Encode;

sub initialize {
    my ($self, %conf) = @_;

    $self->{paste_sites} = [
        sub { $self->paste_ixio(@_) },
    ];

    $self->{current_site} = 0;
}

sub get_paste_site {
    my ($self) = @_;
    my $subref = $self->{paste_sites}->[$self->{current_site}];
    if (++$self->{current_site} >= @{$self->{paste_sites}}) { $self->{current_site} = 0; }
    return $subref;
}

sub paste {
    my ($self, $text, %opts) = @_;
    my %default_opts = (
        no_split => 0,
    );
    %opts = (%default_opts, %opts);

    $text =~ s/(.{120})\s/$1\n/g unless $opts{no_split};

    my $result;
    for (my $tries = 3; $tries > 0; $tries--) {
        my $paste_site = $self->get_paste_site;
        $result = $paste_site->($text);
        last if $result !~ m/error pasting/;
    }
    return $result;
}

sub paste_ixio {
    my ($self, $text) = @_;
    my $ua = LWP::UserAgent::Paranoid->new(request_timeout => 10);
    $ua->agent("Mozilla/5.0");
    push @{$ua->requests_redirectable}, 'POST';
    my %post     = ('f:1' => $text);
    my $response = $ua->post("http://ix.io", \%post);
    alarm 1;    # LWP::UserAgent::Paranoid kills alarm
    return "error pasting: " . $response->status_line if not $response->is_success;
    my $result = $response->content;
    $result =~ s/^\s+//;
    $result =~ s/\s+$//;
    return $result;
}

1;