<?php

namespace Code\Module;

use App;
use Code\Web\Controller;
use Code\Lib\Features;
use Code\Render\Theme;


class Sources extends Controller
{

    public function post()
    {

        if (!local_channel()) {
            return;
        }

        if (!Features::enabled(local_channel(), 'channel_sources')) {
            return;
        }

        $source = intval($_REQUEST['source']);
        $xchan = escape_tags($_REQUEST['xchan']);
        $abook = intval($_REQUEST['abook']);
        $words = escape_tags($_REQUEST['words']);
        $resend = intval($_REQUEST['resend']);
        $frequency = $_REQUEST['frequency'];
        $name = escape_tags($_REQUEST['name']);
        $tags = escape_tags($_REQUEST['tags']);

        $channel = App::get_channel();

        if ($name == '*') {
            $xchan = '*';
        }

        if ($abook) {
            $r = q(
                "select abook_xchan from abook where abook_id = %d and abook_channel = %d limit 1",
                intval($abook),
                intval(local_channel())
            );
            if ($r) {
                $xchan = $r[0]['abook_xchan'];
            }
        }

        if (!$xchan) {
            notice(t('Failed to create source. No channel selected.') . EOL);
            return;
        }

        set_abconfig(local_channel(), $xchan, 'system', 'rself', $resend);

        if (!$source) {
            $r = q(
                "insert into source ( src_channel_id, src_channel_xchan, src_xchan, src_patt, src_tag )
				values ( %d, '%s', '%s', '%s', '%s' ) ",
                intval(local_channel()),
                dbesc($channel['channel_hash']),
                dbesc($xchan),
                dbesc($words),
                dbesc($tags)
            );
            if ($r) {
                info(t('Source created.') . EOL);
            }
            goaway(z_root() . '/sources');
        } else {
            $r = q(
                "update source set src_xchan = '%s', src_patt = '%s', src_tag = '%s' where src_channel_id = %d and src_id = %d",
                dbesc($xchan),
                dbesc($words),
                dbesc($tags),
                intval(local_channel()),
                intval($source)
            );
            if ($r) {
                info(t('Source updated.') . EOL);
            }
        }
    }


    public function get()
    {

        if (!local_channel()) {
            notice(t('Permission denied.') . EOL);
            return EMPTY_STR;
        }

        if (!Features::enabled(local_channel(), 'channel_sources')) {
            return EMPTY_STR;
        }

        // list sources
        if (argc() == 1) {
            $r = q(
                "select source.*, xchan.* from source left join xchan on src_xchan = xchan_hash where src_channel_id = %d",
                intval(local_channel())
            );
            if ($r) {
                for ($x = 0; $x < count($r); $x++) {
                    if ($r[$x]['src_xchan'] == '*') {
                        $r[$x]['xchan_name'] = t('*');
                    }
                    $r[$x]['src_patt'] = htmlspecialchars($r[$x]['src_patt'], ENT_COMPAT, 'UTF-8');
                }
            }
            $o = replace_macros(Theme::get_template('sources_list.tpl'), [
                '$title' => t('Channel Sources'),
                '$desc' => t('Manage remote sources of content for your channel.'),
                '$new' => t('New Source'),
                '$sources' => $r
            ]);
            return $o;
        }

        if (argc() == 2 && argv(1) === 'new') {
            // TODO add the words 'or RSS feed' and corresponding code to manage feeds and frequency

            $o = replace_macros(Theme::get_template('sources_new.tpl'), [
                '$title' => t('New Source'),
                '$desc' => t('Import all or selected content from the following channel into this channel and distribute it according to your channel settings.'),
                '$words' => ['words', t('Only import content with these words (one per line)'), '', t('Leave blank to import all public content')],
                '$name' => ['name', t('Channel Name'), '', '', '', 'autocomplete="off"'],
                '$tags' => ['tags', t('Add the following categories to posts imported from this source (comma separated)'), '', t('Optional')],
                '$resend' => ['resend', t('Resend posts with this channel as author'), 0, t('Copyrights may apply'), [t('No'), t('Yes')]],
                '$submit' => t('Submit')
            ]);
            return $o;
        }

        if (argc() == 2 && intval(argv(1))) {
            // edit source
            $r = q(
                "select source.*, xchan.* from source left join xchan on src_xchan = xchan_hash where src_id = %d and src_channel_id = %d limit 1",
                intval(argv(1)),
                intval(local_channel())
            );
            if ($r) {
                $x = q(
                    "select abook_id from abook where abook_xchan = '%s' and abook_channel = %d limit 1",
                    dbesc($r[0]['src_xchan']),
                    intval(local_channel())
                );
            }
            if (!$r) {
                notice(t('Source not found.') . EOL);
                return '';
            }

            $r[0]['src_patt'] = htmlspecialchars($r[0]['src_patt'], ENT_QUOTES, 'UTF-8');

            $o = replace_macros(Theme::get_template('sources_edit.tpl'), array(
                '$title' => t('Edit Source'),
                '$drop' => t('Delete Source'),
                '$id' => $r[0]['src_id'],
                '$desc' => t('Import all or selected content from the following channel into this channel and distribute it according to your channel settings.'),
                '$words' => array('words', t('Only import content with these words (one per line)'), $r[0]['src_patt'], t('Leave blank to import all public content')),
                '$xchan' => $r[0]['src_xchan'],
                '$abook' => $x[0]['abook_id'],
                '$tags' => array('tags', t('Add the following categories to posts imported from this source (comma separated)'), $r[0]['src_tag'], t('Optional')),
                '$resend' => ['resend', t('Resend posts with this channel as author'), get_abconfig(local_channel(), $r[0]['xchan_hash'], 'system', 'rself'), t('Copyrights may apply'), [t('No'), t('Yes')]],

                '$name' => array('name', t('Channel Name'), $r[0]['xchan_name'], ''),
                '$submit' => t('Submit')
            ));
            return $o;
        }

        if (argc() == 3 && intval(argv(1)) && argv(2) === 'drop') {
            $r = q(
                "select * from source where src_id = %d and src_channel_id = %d limit 1",
                intval(argv(1)),
                intval(local_channel())
            );
            if (!$r) {
                notice(t('Source not found.') . EOL);
                return '';
            }
            $r = q(
                "delete from source where src_id = %d and src_channel_id = %d",
                intval(argv(1)),
                intval(local_channel())
            );
            if ($r) {
                info(t('Source removed') . EOL);
            } else {
                notice(t('Unable to remove source.') . EOL);
            }

            goaway(z_root() . '/sources');
        }

        // shouldn't get here.
    }
}