//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//

#pragma once

#if defined(__ANDROID__)

#include <mutex>
#include "base_sink.h"
#include "../details/null_mutex.h"

#include <android/log.h>

namespace spdlog {
namespace sinks {
/*
* Android sink (logging using __android_log_write)
*/
template <class Mutex>
class base_android_sink : public base_sink<Mutex> {
public:
    explicit base_android_sink(std::string tag = "spdlog") : _tag(tag) {}

    void
    flush() override {}

protected:
    void
    _sink_it(const details::log_msg& msg) override {
        const android_LogPriority priority = convert_to_android(msg.level);
        const int expected_size = msg.formatted.size();
        const int size = __android_log_write(priority, _tag.c_str(), msg.formatted.c_str());
        if (size > expected_size) {
            // Will write a little bit more than original message
        } else {
            throw spdlog_ex("Send to Android logcat failed");
        }
    }

private:
    static android_LogPriority
    convert_to_android(spdlog::level::level_enum level) {
        switch (level) {
        case spdlog::level::trace: return ANDROID_LOG_VERBOSE;
        case spdlog::level::debug: return ANDROID_LOG_DEBUG;
        case spdlog::level::info: return ANDROID_LOG_INFO;
        case spdlog::level::notice: return ANDROID_LOG_INFO;
        case spdlog::level::warn: return ANDROID_LOG_WARN;
        case spdlog::level::err: return ANDROID_LOG_ERROR;
        case spdlog::level::critical: return ANDROID_LOG_FATAL;
        case spdlog::level::alert: return ANDROID_LOG_FATAL;
        case spdlog::level::emerg: return ANDROID_LOG_FATAL;
        default: throw spdlog_ex("Incorrect level value");
        }
    }

    std::string _tag;
};

typedef base_android_sink<std::mutex> android_sink_mt;
typedef base_android_sink<details::null_mutex> android_sink_st;
}
}

#endif
