/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2018 Matthias P. Braendli
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

// Tests for CircBufferTimestamp.hpp

#include "CircBufferTimestamp.hpp"
#include <cstdint>
#include <thread>
#include <iostream>

using namespace std;

const long long ticks_per_sample = 12;
const size_t N_ITER = 40;
const size_t N_SAMPS_PER_BUF = 10;

CircularBuffer<int> cb(1000000);

mutex cerr_mutex;

void writer()
{
    const long long ts_start = 200;

    for (size_t iterations = 0; iterations < N_ITER; iterations++) {
        vector<int> b;
        for (size_t i = 0; i < N_SAMPS_PER_BUF; i++) {
            b.push_back(N_SAMPS_PER_BUF*iterations + i);
        }

        const long long ts_b = ts_start + ticks_per_sample * iterations * b.size();

        cb.write(b.data(), b.size(), ts_b);
        {
            unique_lock<mutex> lock(cerr_mutex);
            cerr << "Wrote " << b.size() << " at t=" << ts_b << endl;
        }

        this_thread::sleep_for(chrono::milliseconds(10));
    }
}

void reader()
{
    size_t totaldata = 0;
    long long req_ts = 450;
    while (totaldata < N_ITER * N_SAMPS_PER_BUF / 3) {
        long long ts = req_ts;
        vector<int> buf(N_SAMPS_PER_BUF/2);
        const size_t read = cb.read(buf.data(), buf.size(), &ts);
        buf.resize(read);
        totaldata += read;

        {
            unique_lock<mutex> lock(cerr_mutex);
            cerr << "Read " << totaldata << " so far, ts_req=" <<
                req_ts << " ts=" << ts << " data:";
            for (const int samp : buf) {
                cerr << " " << samp;
            }
            cerr << endl;
        }
        req_ts += ticks_per_sample * (N_SAMPS_PER_BUF/2 + 1);
    }
}

int main(int argc, char **argv)
{
    cb.set_ticks_per_sample(ticks_per_sample);

    auto writeThread = thread(writer);
    auto readThread = thread(reader);

    writeThread.join();
    readThread.join();
    return 0;
}