/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2020-2021 Couchbase, Inc.
 *
 *   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.
 */

#pragma once

#include "collections_manifest.hxx"

#include "core/utils/join_strings.hxx"

#include <fmt/core.h>
#include <vector>

template<>
struct fmt::formatter<couchbase::core::topology::collections_manifest> {
    template<typename ParseContext>
    constexpr auto parse(ParseContext& ctx)
    {
        return ctx.begin();
    }

    template<typename FormatContext>
    auto format(const couchbase::core::topology::collections_manifest& manifest, FormatContext& ctx) const
    {
        std::vector<std::string> collections;
        for (const auto& scope : manifest.scopes) {
            for (const auto& collection : scope.collections) {
                collections.emplace_back(fmt::format("{}.{}={}", scope.name, collection.name, collection.uid));
            }
        }

        return format_to(ctx.out(),
                         R"(#<manifest:{} uid={}, collections({})=[{}]>)",
                         couchbase::core::uuid::to_string(manifest.id),
                         manifest.uid,
                         collections.size(),
                         couchbase::core::utils::join_strings(collections, ", "));
    }
};