import std.stdio;
import std.net.curl;
import std.datetime;
import std.typecons;
import std.algorithm.searching : startsWith;
import std.conv : to;
import std.file;
import core.thread;
import aimpremote;
import variantconfig;

shared string login;
shared string token;
shared int update_time;

bool readConfig() {
    if (!exists("config.properties")) {
        writeln("Unable to open config.properties file");
        return false;
    }
    auto config = VariantConfig("config.properties");
    login = config["login"].toStr;
    if (login.length == 0) {
        writeln("Unable to find login");
        return false;
    }
    token = config["token"].toStr;
    if (token.length == 0) {
        writeln("Unable to find token");
        return false;
    }
    update_time = config["update_time"].toInt;
    if (update_time <= 0) {
        update_time = 2;
    }
    return true;
}

void process() {
    final switch (getPlayerState()) {
        case PlayerState.Off:
        case PlayerState.Stopped:
        case PlayerState.Paused:
            Thread.sleep(dur!"seconds"(10));
            break;

        case PlayerState.Playing:
            auto track = getInfo();
            if (!track.isNull) {
                auto time = Clock.currTime();
                writefln("[%02d:%02d] %s - %s",
                        time.hour, time.minute,
                        track.artist, track.title);
                sendTrackInfo(track);
            }
            Thread.sleep(dur!"minutes"(update_time));
            break;
    }
}

void sendTrackInfo(Nullable!TrackInfo track) {
    auto http = HTTP();
    // http.caInfo("cacert.pem");
    http.handle.set(CurlOption.ssl_verifypeer, 0);

    auto content = post("https://annimon.com/json/nowplay", [
        "login" : login,
        "token" : token,
        "artist" : to!string(track.artist),
        "title" : to!string(track.title),
        "genre" : to!string(track.genre)
    ], http);
    if (content.startsWith("{\"error")) {
        writeln(content);
    }
}

int main()
{
    writeln("Starting aNMusic");
    if (!readConfig()) {
        return 1;
    }

    new Thread({
        while (true) {
            process();
        }
    }).start();
    return 0;
}