<?php declare(strict_types=1);
class ArtistsTheme extends Themelet
{
    public function get_author_editor_html(string $author): string
    {
        $h_author = html_escape($author);
        return "
			<tr>
				<th>Author</th>
				<td>
					<span class='view'>$h_author</span>
					<input class='edit' type='text' name='tag_edit__author' value='$h_author'>
				</td>
			</tr>
		";
    }

    public function sidebar_options(string $mode, ?int $artistID=null, $is_admin=false): void
    {
        global $page, $user;

        $html = "";

        if ($mode == "neutral") {
            $html = "<form method='post' action='".make_link("artist/new_artist")."'>
						".$user->get_auth_html()."
						<input type='submit' name='edit' id='edit' value='New Artist'/>
					</form>";
        }

        if ($mode == "editor") {
            $html = "<form method='post' action='".make_link("artist/new_artist")."'>
						".$user->get_auth_html()."
						<input type='submit' name='edit' value='New Artist'/>
					</form>

					<form method='post' action='".make_link("artist/edit_artist")."'>
						".$user->get_auth_html()."
						<input type='submit' name='edit' value='Edit Artist'/>
						<input type='hidden' name='artist_id' value='".$artistID."'>
					</form>";

            if ($is_admin) {
                $html .= "<form method='post' action='".make_link("artist/nuke_artist")."'>
							".$user->get_auth_html()."
							<input type='submit' name='edit' value='Delete Artist'/>
							<input type='hidden' name='artist_id' value='".$artistID."'>
						</form>";
            }

            $html .= "<form method='post' action='".make_link("artist/add_alias")."'>
							".$user->get_auth_html()."
							<input type='submit' name='edit' value='Add Alias'/>
							<input type='hidden' name='artist_id' value='".$artistID."'>
						</form>

						<form method='post' action='".make_link("artist/add_member")."'>
							".$user->get_auth_html()."
							<input type='submit' name='edit' value='Add Member'/>
							<input type='hidden' name='artist_id' value='".$artistID."'>
						</form>

						<form method='post' action='".make_link("artist/add_url")."'>
							".$user->get_auth_html()."
							<input type='submit' name='edit' value='Add Url'/>
							<input type='hidden' name='artist_id' value='".$artistID."'>
						</form>";
        }

        if ($html) {
            $page->add_block(new Block("Manage Artists", $html, "left", 10));
        }
    }

    public function show_artist_editor($artist, $aliases, $members, $urls)
    {
        global $user;

        $artistName = $artist['name'];
        $artistNotes = $artist['notes'];
        $artistID = $artist['id'];

        // aliases
        $aliasesString = "";
        $aliasesIDsString = "";
        foreach ($aliases as $alias) {
            $aliasesString .= $alias["alias_name"]." ";
            $aliasesIDsString .= $alias["alias_id"]." ";
        }
        $aliasesString = rtrim($aliasesString);
        $aliasesIDsString = rtrim($aliasesIDsString);

        // members
        $membersString = "";
        $membersIDsString = "";
        foreach ($members as $member) {
            $membersString .= $member["name"]." ";
            $membersIDsString .= $member["id"]." ";
        }
        $membersString = rtrim($membersString);
        $membersIDsString = rtrim($membersIDsString);

        // urls
        $urlsString = "";
        $urlsIDsString = "";
        foreach ($urls as $url) {
            $urlsString .= $url["url"]."\n";
            $urlsIDsString .= $url["id"]." ";
        }
        $urlsString = substr($urlsString, 0, strlen($urlsString) -1);
        $urlsIDsString = rtrim($urlsIDsString);

        $html = '
			<form method="POST" action="'.make_link("artist/edited/".$artist['id']).'">
				'.$user->get_auth_html().'
				<table>
					<tr><td>Name:</td><td><input type="text" name="name" value="'.$artistName.'" />
										  <input type="hidden" name="id" value="'.$artistID.'" /></td></tr>
					<tr><td>Alias:</td><td><input type="text" name="aliases" value="'.$aliasesString.'" />
										   <input type="hidden" name="aliasesIDs" value="'.$aliasesIDsString.'" /></td></tr>
					<tr><td>Members:</td><td><input type="text" name="members" value="'.$membersString.'" />
											 <input type="hidden" name="membersIDs" value="'.$membersIDsString.'" /></td></tr>
					<tr><td>URLs:</td><td><textarea name="urls">'.$urlsString.'</textarea>
										  <input type="hidden" name="urlsIDs" value="'.$urlsIDsString.'" /></td></tr>
					<tr><td>Notes:</td><td><textarea name="notes">'.$artistNotes.'</textarea></td></tr>
					<tr><td colspan="2"><input type="submit" value="Submit" /></td></tr>
				</table>
			</form>
		';

        global $page;
        $page->add_block(new Block("Edit artist", $html, "main", 10));
    }

    public function new_artist_composer()
    {
        global $page, $user;

        $html = "<form action=".make_link("artist/create")." method='POST'>
			".$user->get_auth_html()."
			<table>
				<tr><td>Name:</td><td><input type='text' name='name' /></td></tr>
				<tr><td>Aliases:</td><td><input type='text' name='aliases' /></td></tr>
				<tr><td>Members:</td><td><input type='text' name='members' /></td></tr>
				<tr><td>URLs:</td><td><textarea name='urls'></textarea></td></tr>
				<tr><td>Notes:</td><td><textarea name='notes'></textarea></td></tr>
				<tr><td colspan='2'><input type='submit' value='Submit' /></td></tr>
			</table>
		";

        $page->set_title("Artists");
        $page->set_heading("Artists");
        $page->add_block(new Block("Artists", $html, "main", 10));
    }

    public function list_artists($artists, $pageNumber, $totalPages)
    {
        global $user, $page;

        $html = "<table id='poolsList' class='zebra'>".
            "<thead><tr>".
            "<th>Name</th>".
            "<th>Type</th>".
            "<th>Last updater</th>".
            "<th>Posts</th>";

        if (!$user->is_anonymous()) {
            $html .= "<th colspan='2'>Action</th>";
        } // space for edit link

        $html .= "</tr></thead>";

        $deletionLinkActionArray = [
            'artist' => 'artist/nuke/',
            'alias' => 'artist/alias/delete/',
            'member' => 'artist/member/delete/',
        ];

        $editionLinkActionArray = [
            'artist' => 'artist/edit/',
            'alias' => 'artist/alias/edit/',
            'member' => 'artist/member/edit/',
        ];

        $typeTextArray = [
            'artist' => 'Artist',
            'alias' => 'Alias',
            'member' => 'Member',
        ];

        foreach ($artists as $artist) {
            if ($artist['type'] != 'artist') {
                $artist['name'] = str_replace("_", " ", $artist['name']);
            }

            $elementLink = "<a href='".make_link("artist/view/".$artist['artist_id'])."'>".str_replace("_", " ", $artist['name'])."</a>";
            //$artist_link = "<a href='".make_link("artist/view/".$artist['artist_id'])."'>".str_replace("_", " ", $artist['artist_name'])."</a>";
            $user_link = "<a href='".make_link("user/".$artist['user_name'])."'>".$artist['user_name']."</a>";
            $edit_link = "<a href='".make_link($editionLinkActionArray[$artist['type']].$artist['id'])."'>Edit</a>";
            $del_link = "<a href='".make_link($deletionLinkActionArray[$artist['type']].$artist['id'])."'>Delete</a>";

            $html .= "<tr>".
                "<td class='left'>".$elementLink;

            //if ($artist['type'] == 'member')
            //	$html .= " (member of ".$artist_link.")";

            //if ($artist['type'] == 'alias')
            //	$html .= " (alias for ".$artist_link.")";

            $html .= "</td>".
                "<td>".$typeTextArray[$artist['type']]."</td>".
                "<td>".$user_link."</td>".
                "<td>".$artist['posts']."</td>";

            if (!$user->is_anonymous()) {
                $html .= "<td>".$edit_link."</td>";
            }
            if ($user->can(Permissions::ARTISTS_ADMIN)) {
                $html .= "<td>".$del_link."</td>";
            }

            $html .= "</tr>";
        }

        $html .= "</tbody></table>";

        $page->set_title("Artists");
        $page->set_heading("Artists");
        $page->add_block(new Block("Artists", $html, "main", 10));

        $this->display_paginator($page, "artist/list", null, $pageNumber, $totalPages);
    }

    public function show_new_alias_composer($artistID)
    {
        global $user;

        $html = '
			<form method="POST" action='.make_link("artist/alias/add").'>
				'.$user->get_auth_html().'
				  <table>
					<tr><td>Alias:</td><td><input type="text" name="aliases" />
										   <input type="hidden" name="artistID" value='.$artistID.' /></td></tr>
					<tr><td colspan="2"><input type="submit" value="Submit" /></td></tr>
				</table>
			</form>
		';

        global $page;
        $page->add_block(new Block("Artist Aliases", $html, "main", 20));
    }

    public function show_new_member_composer($artistID)
    {
        global $user;

        $html = '
			<form method="POST" action='.make_link("artist/member/add").'>
				'.$user->get_auth_html().'
				<table>
					<tr><td>Members:</td><td><input type="text" name="members" />
										   <input type="hidden" name="artistID" value='.$artistID.' /></td></tr>
					<tr><td colspan="2"><input type="submit" value="Submit" /></td></tr>
				</table>
			</form>
		';

        global $page;
        $page->add_block(new Block("Artist members", $html, "main", 30));
    }

    public function show_new_url_composer($artistID)
    {
        global $user;

        $html = '
			<form method="POST" action='.make_link("artist/url/add").'>
				'.$user->get_auth_html().'
				<table>
					<tr><td>URL:</td><td><textarea name="urls"></textarea>
									   <input type="hidden" name="artistID" value='.$artistID.' /></td></tr>
					<tr><td colspan="2"><input type="submit" value="Submit" /></td></tr>
				</table>
			</form>
		';

        global $page;
        $page->add_block(new Block("Artist URLs", $html, "main", 40));
    }

    public function show_alias_editor($alias)
    {
        global $user;

        $html = '
			<form method="POST" action="'.make_link("artist/alias/edited/".$alias['id']).'">
				'.$user->get_auth_html().'
				<label for="alias">Alias:</label>
				<input type="text" name="alias" id="alias" value="'.$alias['alias'].'" />
				<input type="hidden" name="aliasID" value="'.$alias['id'].'" />
				<input type="submit" value="Submit" />
			</form>
		';

        global $page;
        $page->add_block(new Block("Edit Alias", $html, "main", 10));
    }

    public function show_url_editor($url)
    {
        global $user;

        $html = '
			<form method="POST" action="'.make_link("artist/url/edited/".$url['id']).'">
				'.$user->get_auth_html().'
				<label for="url">URL:</label>
				<input type="text" name="url" id="url" value="'.$url['url'].'" />
				<input type="hidden" name="urlID" value="'.$url['id'].'" />
				<input type="submit" value="Submit" />
			</form>
		';

        global $page;
        $page->add_block(new Block("Edit URL", $html, "main", 10));
    }

    public function show_member_editor($member)
    {
        global $user;

        $html = '
			<form method="POST" action="'.make_link("artist/member/edited/".$member['id']).'">
				'.$user->get_auth_html().'
				<label for="name">Member name:</label>
				<input type="text" name="name" id="name" value="'.$member['name'].'" />
				<input type="hidden" name="memberID" value="'.$member['id'].'" />
				<input type="submit" value="Submit" />
			</form>
		';

        global $page;
        $page->add_block(new Block("Edit Member", $html, "main", 10));
    }

    public function show_artist($artist, $aliases, $members, $urls, $images, $userIsLogged, $userIsAdmin)
    {
        global $page;

        $artist_link = "<a href='".make_link("post/list/".$artist['name']."/1")."'>".str_replace("_", " ", $artist['name'])."</a>";

        $html = "<table id='poolsList' class='zebra'>
					<thead>
						<tr>
							<th></th>
							<th></th>";

        if ($userIsLogged) {
            $html .= "<th></th>";
        }
        if ($userIsAdmin) {
            $html .= "<th></th>";
        }

        $html .= "  <tr>
					</thead>

					<tr>
						<td class='left'>Name:</td>
						<td class='left'>".$artist_link."</td>";
        if ($userIsLogged) {
            $html .= "<td></td>";
        }
        if ($userIsAdmin) {
            $html .= "<td></td>";
        }
        $html .= "</tr>";

        $html .= $this->render_aliases($aliases, $userIsLogged, $userIsAdmin);
        $html .= $this->render_members($members, $userIsLogged, $userIsAdmin);
        $html .= $this->render_urls($urls, $userIsLogged, $userIsAdmin);

        $html .= "<tr>
						<td class='left'>Notes:</td>
						<td class='left'>".$artist["notes"]."</td>";
        if ($userIsLogged) {
            $html .= "<td></td>";
        }
        if ($userIsAdmin) {
            $html .= "<td></td>";
        }
        //TODO how will notes be edited? On edit artist? (should there be an editartist?) or on a editnotes?
        //same question for deletion
        $html .= "</tr>
		</table>";

        $page->set_title("Artist");
        $page->set_heading("Artist");
        $page->add_block(new Block("Artist", $html, "main", 10));

        //we show the images for the artist
        $artist_images = "";
        foreach ($images as $image) {
            $thumb_html = $this->build_thumb_html($image);

            $artist_images .= '<span class="thumb">'.
                '<a href="$image_link">'.$thumb_html.'</a>'.
                '</span>';
        }

        $page->add_block(new Block("Artist Posts", $artist_images, "main", 20));
    }

    private function render_aliases(array $aliases, bool $userIsLogged, bool $userIsAdmin): string
    {
        $html = "";
        if (count($aliases) > 0) {
            $aliasViewLink = str_replace("_", " ", $aliases[0]['alias_name']); // no link anymore
            $aliasEditLink = "<a href='" . make_link("artist/alias/edit/" . $aliases[0]['alias_id']) . "'>Edit</a>";
            $aliasDeleteLink = "<a href='" . make_link("artist/alias/delete/" . $aliases[0]['alias_id']) . "'>Delete</a>";

            $html .= "<tr>
							  <td class='left'>Aliases:</td>
							  <td class='left'>" . $aliasViewLink . "</td>";

            if ($userIsLogged) {
                $html .= "<td class='left'>" . $aliasEditLink . "</td>";
            }

            if ($userIsAdmin) {
                $html .= "<td class='left'>" . $aliasDeleteLink . "</td>";
            }

            $html .= "</tr>";

            if (count($aliases) > 1) {
                for ($i = 1; $i < count($aliases); $i++) {
                    $aliasViewLink = str_replace("_", " ", $aliases[$i]['alias_name']); // no link anymore
                    $aliasEditLink = "<a href='" . make_link("artist/alias/edit/" . $aliases[$i]['alias_id']) . "'>Edit</a>";
                    $aliasDeleteLink = "<a href='" . make_link("artist/alias/delete/" . $aliases[$i]['alias_id']) . "'>Delete</a>";

                    $html .= "<tr>
									  <td class='left'>&nbsp;</td>
									  <td class='left'>" . $aliasViewLink . "</td>";
                    if ($userIsLogged) {
                        $html .= "<td class='left'>" . $aliasEditLink . "</td>";
                    }
                    if ($userIsAdmin) {
                        $html .= "<td class='left'>" . $aliasDeleteLink . "</td>";
                    }

                    $html .= "</tr>";
                }
            }
        }
        return $html;
    }

    private function render_members(array $members, bool $userIsLogged, bool $userIsAdmin): string
    {
        $html = "";
        if (count($members) > 0) {
            $memberViewLink = str_replace("_", " ", $members[0]['name']); // no link anymore
            $memberEditLink = "<a href='" . make_link("artist/member/edit/" . $members[0]['id']) . "'>Edit</a>";
            $memberDeleteLink = "<a href='" . make_link("artist/member/delete/" . $members[0]['id']) . "'>Delete</a>";

            $html .= "<tr>
							<td class='left'>Members:</td>
							<td class='left'>" . $memberViewLink . "</td>";
            if ($userIsLogged) {
                $html .= "<td class='left'>" . $memberEditLink . "</td>";
            }
            if ($userIsAdmin) {
                $html .= "<td class='left'>" . $memberDeleteLink . "</td>";
            }

            $html .= "</tr>";

            if (count($members) > 1) {
                for ($i = 1; $i < count($members); $i++) {
                    $memberViewLink = str_replace("_", " ", $members[$i]['name']); // no link anymore
                    $memberEditLink = "<a href='" . make_link("artist/member/edit/" . $members[$i]['id']) . "'>Edit</a>";
                    $memberDeleteLink = "<a href='" . make_link("artist/member/delete/" . $members[$i]['id']) . "'>Delete</a>";

                    $html .= "<tr>
							<td class='left'>&nbsp;</td>
							<td class='left'>" . $memberViewLink . "</td>";
                    if ($userIsLogged) {
                        $html .= "<td class='left'>" . $memberEditLink . "</td>";
                    }
                    if ($userIsAdmin) {
                        $html .= "<td class='left'>" . $memberDeleteLink . "</td>";
                    }

                    $html .= "</tr>";
                }
            }
        }
        return $html;
    }

    private function render_urls(array $urls, bool $userIsLogged, bool $userIsAdmin): string
    {
        $html = "";
        if (count($urls) > 0) {
            $urlViewLink = "<a href='" . str_replace("_", " ", $urls[0]['url']) . "' target='_blank'>" . str_replace("_", " ", $urls[0]['url']) . "</a>";
            $urlEditLink = "<a href='" . make_link("artist/url/edit/" . $urls[0]['id']) . "'>Edit</a>";
            $urlDeleteLink = "<a href='" . make_link("artist/url/delete/" . $urls[0]['id']) . "'>Delete</a>";

            $html .= "<tr>
							<td class='left'>URLs:</td>
							<td class='left'>" . $urlViewLink . "</td>";

            if ($userIsLogged) {
                $html .= "<td class='left'>" . $urlEditLink . "</td>";
            }

            if ($userIsAdmin) {
                $html .= "<td class='left'>" . $urlDeleteLink . "</td>";
            }

            $html .= "</tr>";

            if (count($urls) > 1) {
                for ($i = 1; $i < count($urls); $i++) {
                    $urlViewLink = "<a href='" . str_replace("_", " ", $urls[$i]['url']) . "' target='_blank'>" . str_replace("_", " ", $urls[$i]['url']) . "</a>";
                    $urlEditLink = "<a href='" . make_link("artist/url/edit/" . $urls[$i]['id']) . "'>Edit</a>";
                    $urlDeleteLink = "<a href='" . make_link("artist/url/delete/" . $urls[$i]['id']) . "'>Delete</a>";

                    $html .= "<tr>
								<td class='left'>&nbsp;</td>
								<td class='left'>" . $urlViewLink . "</td>";
                    if ($userIsLogged) {
                        $html .= "<td class='left'>" . $urlEditLink . "</td>";
                    }

                    if ($userIsAdmin) {
                        $html .= "<td class='left'>" . $urlDeleteLink . "</td>";
                    }

                    $html .= "</tr>";
                }
                return $html;
            }
        }
        return $html;
    }

    public function get_help_html(): string
    {
        return '<p>Search for posts with a particular artist.</p>
        <div class="command_example">
        <pre>artist=leonardo</pre>
        <p>Returns posts with the artist "leonardo".</p>
        </div>
        ';
    }
}