/*
 * This file is part of matrix-glib-sdk
 *
 * matrix-glib-sdk is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 *
 * matrix-glib-sdk is distributed in the hope that it will be
 * useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with matrix-glib-sdk. If not, see
 * <http://www.gnu.org/licenses/>.
 */

namespace Matrix {
    /**
     * Class to hold pusher related data.
     */
    public class Pusher : JsonCompact {
        /**
         * A device display name.
         */
        public string? device_display_name { get; set; default = null; }

        /**
         * An application display name.
         */
        public string? app_display_name { get; set; default = null; }

        /**
         * An application ID.
         */
        public string? app_id { get; set; default = null; }

        /**
         * If {{{true}}}, the homeserver should add another pusher
         * with the given push key and app ID in addition to any
         * others with different user IDs. Otherwise, the homeserver
         * must remove any other pushers with the same App ID and
         * pushkey for different users.
         */
        public bool append { get; set; default = true; }

        /**
         * The kind of the pusher. {{{http}}} makes a pusher that
         * sends HTTP pokes. {{{null}}} deletes the pusher.
         */
        public string? kind { get; set; default = null; }

        /**
         * The preferred language for receiving notifications,
         * e.g. {{{en}}} or {{{en-US}}}.
         */
        public string? lang { get; set; default = null; }

        /**
         * A string that determines what set of device rules will be
         * matched when evaluating push rules for this pusher. It is
         * an arbitrary string. Multiple devices may use the same
         * profile tag. It is advised that when an app's data is
         * copied or restored to a different device, this value remain
         * the same. Client apps should offer ways to change the
         * profile tag, optionally copying rules from the old profile
         * tag. Maximum length is 32 bytes. If the profile tag is
         * longer than this, it will be truncated
         */
        public string? profile_tag { get; set; default = null; }

        /**
         * A unique identifier for this pusher. The value you should
         * use for this is the routing or destination address
         * information for the notification, for example, the APNS
         * token for APNS or the Registration ID for GCM. If your
         * notification client has no such concept, use any unique
         * identifier. Maximum length is 512 bytes. If pushkey is
         * longer than this, it will be truncated
         */
        public string? pushkey { get; set; default = null; }

        /**
         * a dictionary of information for the pusher implementation
         * itself. For example, if kind is {{{http}}}, this should
         * contain an {{{url}}} member, which is the URL to use to
         * send notifications to. This function creates a deep copy of
         * the data, so it can be freed after this call.
         */
        public Json.Node? data { get; set; default = null; }

        /**
         * Get the pusher data as a JSON node.
         */
        public override Json.Node?
        get_json_node()
            throws Matrix.Error
        {
            if ((device_display_name == null)
                || (app_display_name == null)
                || (app_id == null)
                || (data == null)
                || (kind == null)
                || (lang == null)
                || (profile_tag == null)
                || (pushkey == null)) {
                throw new Matrix.Error.INCOMPLETE("Pusher data incomplete");
            }

            var builder = new Json.Builder();

            builder.begin_object();

            builder.set_member_name("device_display_name");
            builder.add_string_value(device_display_name);

            builder.set_member_name("app_display_name");
            builder.add_string_value(app_display_name);

            builder.set_member_name("app_id");
            builder.add_string_value(app_id);

            builder.set_member_name("append");
            builder.add_boolean_value(append);

            builder.set_member_name("kind");
            builder.add_string_value(kind);

            builder.set_member_name("lang");
            builder.add_string_value(lang);

            builder.set_member_name("profile_tag");
            builder.add_string_value(profile_tag);

            builder.set_member_name("pushkey");
            builder.add_string_value(pushkey);

            builder.set_member_name("data");
            builder.add_value(data);

            builder.end_object();

            return builder.get_root();
        }
    }

    public class EventContext : JsonCompact {
        public int before_limit { get; set; default = -1; }
        public int after_limit { get; set; default = -1; }
        public bool include_profile { get; set; default = false; }

        public override Json.Node?
        get_json_node()
            throws Matrix.Error
        {
            var builder = new Json.Builder();

            builder.begin_object();

            if (before_limit >= 0) {
                builder.set_member_name("before_limit");
                builder.add_int_value(before_limit);
            }

            if (after_limit >= 0) {
                builder.set_member_name("after_limit");
                builder.add_int_value(after_limit);
            }

            builder.set_member_name("include_profile");
            builder.add_boolean_value(include_profile);

            builder.end_object();

            return builder.get_root();
        }
     }

    public class SearchGrouping : JsonCompact {
        public SearchGroupBy key { get; set; default = SearchGroupBy.NONE; }

        public override Json.Node?
        get_json_node()
            throws Matrix.Error
        {
            if (key == SearchGroupBy.NONE) {
                return null;
            }

            var builder = new Json.Builder();

            builder.begin_object();

            builder.set_member_name("key");
            builder.add_string_value(
                    _g_enum_value_to_nick(typeof(SearchGroupBy), key, true));

            builder.end_object();

            return builder.get_root();
        }
    }

    public class SearchGroupings : JsonCompact {
        public SearchGrouping[] group_by { get; set; }

        public override Json.Node?
        get_json_node()
            throws Matrix.Error
        {
            if (group_by == null) {
                return null;
            }

            var builder = new Json.Builder();

            builder.begin_object();

            builder.set_member_name("group_by");
            builder.begin_array();

            int count = 0;

            foreach (var entry in group_by) {
                var node = entry.get_json_node();

                if (node != null) {
                    count++;
                    builder.add_value(node);
                }
            }

            if (count == 0) {
                return null;
            }

            builder.end_array();

            builder.end_object();

            return builder.get_root();
        }
    }

    public class SearchRoomEvents : JsonCompact {
        public SearchOrder order_by { get; set; default = SearchOrder.RECENT; }
        public SearchKey[] keys { get; set; }
        public EventContext? event_context { get; set; default = null; }
        public bool include_state { get; set; default = false; }
        public string? filter_id { get; set; default = null; }
        public Filter? filter { get; set; default = null; }
        public string search_term { get; set; }
        public SearchGroupings? groupings { get; set; default = null; }

        public override Json.Node?
        get_json_node()
            throws Matrix.Error
        {
            Json.Node? node = null;

            var builder = new Json.Builder();

            if ((filter_id != null) && (filter != null)) {
                throw new Matrix.Error.INCOMPLETE(
                        "filter and filter_id is exclusive to each other");
            }

            builder.begin_object();

            builder.set_member_name("order_by");
            builder.add_string_value(
                    _g_enum_value_to_nick(typeof(SearchOrder), order_by));

            if (keys.length > 0) {
                EnumClass key_class = (EnumClass)(typeof(SearchKey).class_ref());
                var key_array = new Json.Array();

                foreach (var entry in keys) {
                    unowned EnumValue? key_value = key_class.get_value(entry);

                    if (key_value != null) {
                        key_array.add_string_element(
                                key_value.value_nick.replace("-", "."));
                    }
                }

                if (key_array.get_length() > 0) {
                    node = new Json.Node(Json.NodeType.ARRAY);
                    node.set_array(key_array);

                    builder.set_member_name("keys");
                    builder.add_value(node);
                }
            }

            if ((event_context != null)
                && ((node = event_context.get_json_node()) != null)) {
                builder.set_member_name("event_context");
                builder.add_value(node);
            }

            builder.set_member_name("include_state");
            builder.add_boolean_value(include_state);

            if ((filter != null)
                && ((node = filter.get_json_node()) != null)) {
                builder.set_member_name("filter");
                builder.add_value(node);
            }

            if (filter_id != null) {
                builder.set_member_name("filter");
                builder.add_string_value(filter_id);
            }

            builder.set_member_name("search_term");
            builder.add_string_value(search_term);

            if ((groupings != null)
                && ((node = groupings.get_json_node()) != null)) {
                builder.set_member_name("groupings");
                builder.add_value(node);
            }

            builder.end_object();

            return builder.get_root();
        }
    }

    public class SearchCategories : JsonCompact {
        public SearchRoomEvents? room_events { get; set; default = null; }

        public override Json.Node?
        get_json_node()
            throws Matrix.Error
        {
            Json.Node? node = null;

            if ((room_events == null)
                && ((node = room_events.get_json_node()) != null)) {
                return null;
            }

            var builder = new Json.Builder();

            builder.begin_object();

            builder.set_member_name("room_events");
            builder.add_value(node);

            builder.end_object();

            return builder.get_root();
        }
    }

    public Json.Node?
    _json_node_deep_copy(Json.Node? node)
    {
        Json.Node ret;

        if (node == null) {
            return null;
        }

        ret = new Json.Node(node.get_node_type());

        switch (node.get_node_type()) {
            case Json.NodeType.OBJECT:
                var new_obj = new Json.Object();

                node.get_object().foreach_member(
                        (old_obj, member_name, member_node) => {
                            new_obj.set_member(
                                    member_name,
                                    _json_node_deep_copy(member_node));
                        });

                ret.set_object(new_obj);

                break;

            case Json.NodeType.ARRAY:
                var new_ary = new Json.Array();

                node.get_array().foreach_element(
                        (old_ary, idx, element_node) => {
                            new_ary.add_element(
                                    _json_node_deep_copy(element_node));
                        });

                break;

            case Json.NodeType.VALUE:
                ret.set_value(node.get_value());

                break;

            case Json.NodeType.NULL:
                break;
        }

        return ret;
    }
}