<?php
include "../include/boot.php";
include "../include/authenticate.php";

if (checkperm("b") || $system_read_only) {
    exit("Permission denied.");
}

$ref = getval("ref", "", true);
$copycollectionremoveall = getval("copycollectionremoveall", "");
$offset = getval("offset", 0, true);
$find = getval("find", "");
$col_order_by = getval("col_order_by", "name");
$sort = getval("sort", "ASC");
$modal = getval("modal", "") == "true";
$redirection_endpoint = trim(urldecode(getval("redirection_endpoint", "")));
$redirect = getval("redirect", "") != "";
$name = getval("name", "");
$public = getval("public", "");

# Does this user have edit access to collections? Variable will be found in functions below.
$multi_edit = allow_multi_edit($ref);

# Check access
if (!collection_writeable($ref)) {
    exit($lang["no_access_to_collection"]);
}

$collection = get_collection($ref);

if ($collection === false) {
    $error = $lang['error-collectionnotfound'];
    error_alert($error);
    exit();
}

if (!in_array($collection["type"], array(COLLECTION_TYPE_STANDARD, COLLECTION_TYPE_PUBLIC, COLLECTION_TYPE_FEATURED))) {
    error_alert($lang["error-permissiondenied"], true, 401);
    exit();
} elseif ($collection["type"] == COLLECTION_TYPE_FEATURED && !featured_collection_check_access_control((int) $collection["ref"])) {
    error_alert($lang["error-permissiondenied"], true, 403);
    exit();
}

$resources = do_search("!collection" . $ref);
$colcount = count($resources);

# Collection copy functionality
$copy = getval("copy", "");
if ($copy != "") {
    copy_collection($copy, $ref, $copycollectionremoveall != "");
    refresh_collection_frame();
}

if (getval("submitted", "") != "" && enforcePostRequest(false)) {
    # Save collection data
    $coldata["name"] = getval("name", "");
    $coldata["allow_changes"] = getval("allow_changes", "") != "" ? 1 : 0;
    $coldata["public"] = getval('public', 0, true);
    $coldata["keywords"] = getval("keywords", "");
    $coldata["description"] = getval("description", "");
    $coldata["result_limit"] = getval("result_limit", 0, true);
    $coldata["users"] = getval("users", "");

    if ($collection["public"] == 1 && getval("update_parent", "") == "true") {
        // Prepare coldata for save_collection() for posted featured collections (if any changes have been made)
        $current_branch_path = get_featured_collection_category_branch_by_leaf((int) $ref, array());
        $featured_collections_changes = process_posted_featured_collection_categories(0, $current_branch_path);
        if (!empty($featured_collections_changes)) {
            $coldata["featured_collections_changes"] = $featured_collections_changes;
        }
    }

    // User selected a background image
    if ($enable_themes && $themes_simple_images && $collection["type"] == COLLECTION_TYPE_FEATURED && checkperm("h")) {
        $thumbnail_selection_method = getval("thumbnail_selection_method", $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["no_image"], true);
        if (in_array($thumbnail_selection_method, $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS)) {
            $coldata["featured_collections_changes"]["thumbnail_selection_method"] = $thumbnail_selection_method;

            $bg_img_resource_ref = getval("bg_img_resource_ref", 0, true);
            if (
                $thumbnail_selection_method == $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["manual"]
                && $bg_img_resource_ref > 0 && get_resource_access($bg_img_resource_ref) == RESOURCE_ACCESS_FULL
            ) {
                $coldata["bg_img_resource_ref"] = $bg_img_resource_ref;
            }
            // If invalid bg_img_resource_ref or no full access to resource, then don't submit the change
            elseif ($thumbnail_selection_method == $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["manual"]) {
                $reset_thumbnail_selection_method = (isset($collection['thumbnail_selection_method']) ? $collection['thumbnail_selection_method'] : $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["no_image"]);
                $coldata['featured_collections_changes']['thumbnail_selection_method'] = $reset_thumbnail_selection_method;
                $coldata['bg_img_resource_ref'] = 0;
            }
        }
    } elseif ($collection["type"] == COLLECTION_TYPE_FEATURED && checkperm("h")) {
        $coldata['featured_collections_changes']['name'] = "";
    }

    if (checkperm("h")) {
        $coldata["home_page_publish"]   = (getval("home_page_publish", "") != "") ? "1" : "0";
        $coldata["home_page_text"]      = getval("home_page_text", "");
        if (getval("home_page_image", "") != "") {
            $coldata["home_page_image"] = getval("home_page_image", "");
        }
    }

    if (
        (
            $coldata["public"] == 0
            || (
                isset($coldata["featured_collections_changes"]["update_parent"])
                && $coldata["featured_collections_changes"]["update_parent"] == 0
                && getval("force_featured_collection_type", "") != "true"
            )
        )
        && is_featured_collection_category_by_children($collection["ref"])
    ) {
        $error = $lang["error_save_not_allowed_fc_has_children"];
    }

    if (!isset($error)) {
        save_collection($ref, $coldata);

        if ($redirect) {
            if ($redirection_endpoint == "") {
                $redirection_endpoint = generateURL(
                    "{$baseurl_short}pages/collection_manage.php",
                    array(
                        "offset" => $offset,
                        "col_order_by" => $col_order_by,
                        "sort" => $sort,
                        "find" => $find,
                        "reload" => "true",
                    )
                );
            }
            if ($modal) {
                ?>
                <script>
                    ModalClose();
                    CentralSpaceLoad('<?php echo escape($redirection_endpoint); ?>');
                </script>
                <?php
            } else {
                redirect($redirection_endpoint);
            }
            exit();
        }

        # No redirect, we stay on this page. Reload the collection info.
        $collection = get_collection($ref);
    }
}

$search_params = get_search_params();
$url_params = array_merge(["ref" => $collection["ref"]], $search_params);
$form_action = generateURL("{$baseurl_short}pages/collection_edit.php", $url_params);
include "../include/header.php";
?>

<div class="BasicsBox">
    <?php
    if (isset($error)) {
        render_top_page_error_style($error);
    } else { ?>
        <h1><?php echo escape($lang["editcollection"]);
        render_help_link("user/edit-collection"); ?></h1>
        <p><?php echo text("introtext"); ?></p>
        <form method=post id="collectionform" action="<?php echo $form_action; ?>" onsubmit="return <?php echo $modal ? 'Modal' : 'CentralSpace'; ?>Post(this, false);">
            <?php generateFormToken("collectionform"); ?>
            <input type="hidden" name="modal" value="<?php echo $modal ? "true" : "false"; ?>">
            <input type="hidden" name="redirection_endpoint" id="redirection_endpoint" value="<?php echo urlencode($redirection_endpoint); ?>">
            <input type="hidden" name="redirect" id="redirect" value="yes" >
            <input type="hidden" name="submitted" value="true">
            <input type="hidden" name="update_parent" value="false">

            <div class="Question">
                <label for="name"><?php echo escape($lang["name"])?></label>
                <input
                    type=text
                    class="stdwidth"
                    name="name"
                    id="name"
                    value="<?php echo escape($collection["name"]) ?>"
                    maxlength="100"
                    <?php if ($collection["cant_delete"] == 1) { ?>
                        readonly=true
                    <?php } ?>
                >
                <div class="clearerleft"></div>
            </div>

            <?php hook('additionalfields');?>

            <div class="Question">
                <label for="description"><?php echo escape($lang["collection_description"]); ?></label>
                <textarea class="stdwidth" rows="4" name="description" id="description"><?php echo escape((string) $collection["description"])?></textarea>
                <div class="clearerleft"></div>
            </div>

            <div class="Question">
                <label for="keywords"><?php echo escape($lang["relatedkeywords"]); ?></label>
                <textarea
                    class="stdwidth"
                    rows="3"
                    name="keywords"
                    id="keywords"
                    <?php if ($collection["cant_delete"] == 1) { ?>
                        readonly=true
                    <?php } ?>
                ><?php echo escape((string) $collection["keywords"])?></textarea>
                <div class="clearerleft"></div>
            </div>

            <div class="Question">
                <label><?php echo escape($lang["id"]); ?></label>
                <div class="Fixed"><?php echo escape($collection["ref"]); ?></div>
                <div class="clearerleft"></div>
            </div>

            <?php
            if ($collection["savedsearch"] != "") {
                $result_limit = ps_value("select result_limit value from collection_savedsearch where collection= ?", ['i', $ref], "");
                ?>
                <div class="Question">
                    <label for="name"><?php echo escape($lang["smart_collection_result_limit"]); ?></label>
                    <input type=text class="stdwidth" name="result_limit" id="result_limit" value="<?php echo escape((string) $result_limit); ?>" />
                    <div class="clearerleft"></div>
                </div>
                <?php
            } ?>

            <div class="Question">
                <label for="public"><?php echo escape($lang["access"]); ?></label>
                <?php
                if ($collection["cant_delete"] == 1) {
                    # This is a user's My Collection, which cannot be made public or turned into a theme. Display a warning.
                    ?>
                    <input type="hidden" id="public" name="public" value="0">
                    <div class="Fixed"><?php echo escape($lang["mycollection_notpublic"]); ?></div>
                    <?php
                } else { ?>
                    <select id="public" name="public" class="stdwidth" onchange="document.getElementById('redirect').value='';<?php echo $modal ? 'Modal' : 'CentralSpace'; ?>Post(document.getElementById('collectionform'));">
                        <option value="0" <?php echo ($collection["public"] != 1) ? " selected" : ''; ?>>
                            <?php echo escape($lang["private"])?>
                        </option>
                        <?php if ($collection["cant_delete"] != 1 && ($enable_public_collections || checkperm("h"))) { ?>
                            <option value="1" <?php echo ($collection["public"] == 1) ? " selected" : ''; ?>>
                                <?php echo escape($lang["public"])?>
                            </option>
                        <?php } ?>
                    </select>
                    <?php
                } ?>
                <div class="clearerleft"></div>
            </div>

            <?php
            if (
                $collection["public"] == 0
                || ($collection['type'] == COLLECTION_TYPE_PUBLIC && !$themes_in_my_collections)
                || ($collection['type'] == COLLECTION_TYPE_FEATURED && $themes_in_my_collections)
            ) {
                ?>
                <div class="Question">
                    <label for="users"><?php echo escape($lang["attachedusers"]); ?></label>
                    <?php
                    $userstring = escape($collection["users"]);

                    if ($userstring != '') {
                        $userstring .= ",";
                    }

                    $userstring .= escape($collection["groups"]);

                    include "../include/user_select.php";
                    ?>
                    <div class="clearerleft"></div>
                </div>
                <?php
            }

            if ($enable_themes && $collection["public"] == 1 && checkperm("h")) {
                render_featured_collection_category_selector(
                    0,
                    array(
                        "collection" => $collection,
                        "depth" => 0,
                        "current_branch_path" => get_featured_collection_category_branch_by_leaf((int) $collection["ref"], array()),
                        "modal" => $modal,
                    )
                );

                if ($themes_simple_images && $collection["type"] == COLLECTION_TYPE_FEATURED) {
                    $configurable_options = array(
                        $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["no_image"] => $lang["select"],
                        $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["most_popular_image"] => $lang["background_most_popular_image"],
                        $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["most_popular_images"] => str_replace("%n", $theme_images_number, $lang["background_most_popular_images"]),
                        $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["most_recent_image"] => $lang["background_most_recent_image"],
                        $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["manual"] => $lang["background_manual_selection"],
                    );

                    render_dropdown_question(
                        $lang["background_image"],
                        "thumbnail_selection_method",
                        $configurable_options,
                        $collection["thumbnail_selection_method"],
                        'class="stdwidth"',
                        array(
                            "onchange" => "toggle_fc_bg_image_txt_input(this, " . $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["manual"] . ");",
                        )
                    );

                    $display_bg_img_ref = ($collection["thumbnail_selection_method"] == $FEATURED_COLLECTION_BG_IMG_SELECTION_OPTIONS["manual"] && $collection["bg_img_resource_ref"] > 0);
                    $current_bg_img_ref = ($display_bg_img_ref ? $collection["bg_img_resource_ref"] : "");
                    render_text_question(
                        $lang["background_manual_selection_resource_label"],
                        "bg_img_resource_ref",
                        "",
                        true,
                        'class="stdwidth"',
                        $current_bg_img_ref,
                        array(
                            "div_class" => ($display_bg_img_ref ? array() : array("DisplayNone")),
                        )
                    );
                }
            }

            if (checkperm("h") && $collection['public'] == 1 && !$home_dash) {
                # Option to publish to the home page.
                ?>
                <div class="Question">
                    <label for="allow_changes"><?php echo escape($lang["theme_home_promote"]); ?></label>
                    <input
                        type="checkbox"
                        id="home_page_publish"
                        name="home_page_publish"
                        value="1"
                        <?php if ($collection["home_page_publish"] == 1) { ?>
                            checked
                        <?php } ?>
                        onclick="document.getElementById('redirect').value='';<?php echo $modal ? 'Modal' : 'CentralSpace'; ?>Post(document.getElementById('collectionform'));"
                    >
                    <div class="clearerleft"></div>
                </div>

                <?php
                if ($collection["home_page_publish"]) {
                    # Option ticked - collect extra data
                    ?>
                    <div class="Question">
                        <label for="home_page_text"><?php echo escape($lang["theme_home_page_text"]); ?></label>
                        <textarea class="stdwidth" rows="3" name="home_page_text" id="home_page_text"><?php echo escape($collection["home_page_text"] == "" ? $collection["name"] : $collection["home_page_text"])?></textarea>
                        <div class="clearerleft"></div>
                    </div>

                    <div class="Question">
                        <label for="home_page_image">
                            <?php echo escape($lang["theme_home_page_image"]); ?>
                        </label>
                        <select class="stdwidth" name="home_page_image" id="home_page_image">
                            <?php foreach ($resources as $resource) { ?>
                                <option
                                    value="<?php echo escape($resource["ref"]) ?>"
                                    <?php if ($resource["ref"] == $collection["home_page_image"]) { ?>
                                        selected
                                    <?php } ?>
                                >
                                    <?php echo str_replace(array("%ref", "%title"), array($resource["ref"], i18n_get_translated($resource["field" . $view_title_field])), $lang["ref-title"]); ?>
                                </option>
                            <?php } ?>
                        </select>
                        <div class="clearerleft"></div>
                    </div>
                    <?php
                }
            }

            if (!isset($collection['savedsearch']) || $collection['savedsearch'] == null) {
                # disallowing share breaks smart collections
                ?>
                <div class="Question">
                <label for="allow_changes"><?php echo escape($lang["allowothersaddremove"]); ?></label>
                    <input
                        type="checkbox"
                        id="allow_changes"
                        name="allow_changes"
                        <?php if ($collection["allow_changes"] == 1) { ?>
                            checked
                        <?php } ?>
                    >
                    <div class="clearerleft"></div>
                </div>
                <?php
            } else {
                # allow changes by default
                ?>
                <input type=hidden id="allow_changes" name="allow_changes" value="checked">
                <?php
            }

            hook('additionalfields2');
            hook('colleditformbottom');

            if (file_exists("plugins/collection_edit.php")) {
                include "plugins/collection_edit.php";
            }
            ?>

            <div class="QuestionSubmit">        
                <input name="save" type="submit" value="<?php echo escape($lang["save"]); ?>" />
                <span id="pagesaved" style="display: none;" class="AutoSaveStatus"><?php echo escape($lang["saved"]); ?></span>
                <?php if (getval("submitted", "") != "") { ?>
                    <script>
                        jQuery(document).ready(function (jQuery) {
                            jQuery('#pagesaved').show().fadeOut('slow');
                        });
                    </script>
                <?php } ?>
            </div>
        </form>
    <?php } ?>
</div>

<?php
if (getval("reload", "") == "true" && getval("ajax", "") != "") {
    refresh_collection_frame();
}

include "../include/footer.php";