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// Copyright 2025 Shota FUJI
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0

pub const StaticExtensionInfo = struct {
    id: []const u8,
    display_name: []const u8,
    version: []const u8,
    publisher: []const u8,
    email: []const u8,
    required_services: []const type,
    optional_services: []const type,
    provided_services: []const type,
};

/// Extension object to send to Roon Server.
pub fn Extension(info: StaticExtensionInfo) type {
    return struct {
        token: ?[]const u8 = null,

        pub fn jsonStringify(self: *const @This(), jws: anytype) !void {
            try jws.beginObject();

            try jws.objectField("extension_id");
            try jws.write(info.id);

            try jws.objectField("display_name");
            try jws.write(info.display_name);

            try jws.objectField("display_version");
            try jws.write(info.version);

            try jws.objectField("publisher");
            try jws.write(info.publisher);

            try jws.objectField("email");
            try jws.write(info.email);

            if (self.token) |token| {
                try jws.objectField("token");
                try jws.write(token);
            }

            try jws.objectField("required_services");
            try jws.beginArray();
            inline for (info.required_services) |Service| {
                try jws.write(Service.id);
            }
            try jws.endArray();

            try jws.objectField("optional_services");
            try jws.beginArray();
            inline for (info.optional_services) |Service| {
                try jws.write(Service.id);
            }
            try jws.endArray();

            try jws.objectField("provided_services");
            try jws.beginArray();
            inline for (info.provided_services) |Service| {
                try jws.write(Service.service_id);
            }
            try jws.endArray();

            try jws.endObject();
        }
    };
}