#include "channel_factory.hpp"

#include <toml++/toml.hpp>

using namespace iflytop;
using namespace std;

static IDataChannel::OnData_t      s_ondata;
static map<string, IDataChannel *> s_channelMap;
static list<IDataChannel *>        s_channelList;

// [server]
// cmdport=19004
// wsport=19005

// [[channels]]
// type="zexcan"
// name="zcan"
// ifname="can0"
// baudrate=500000
// enable=true

// [[channels]]
// type="uart"
// name="printer"
// ifname="/dev/ttyS1"
// baudrate=115200
// enable=true

// [[channels]]
// type="inputkey"
// name="emergency-key"
// pinnum="GPIO2-A3"
// enable=true

// [[channels]]
// type="uart"
// name="lis"
// ifname="/dev/ttyS2"
// baudrate=115200
// enable=true

map<string, IDataChannel *> ChannelFactory::createChannels(toml::table &config) {
  auto logger = GET_LOGGER(ChannelFactory);

  try {
    if (auto channels = config["channels"].as_array()) {
      for (size_t i = 0; i < channels->size(); i++) {
        string type = config["channels"][i]["type"].value_or("");

        /**
         * @brief
         *    Build zexcan channel
         */
        if (type == "zexcan") {
          string name     = config["channels"][i]["name"].value_or("zcan");
          string ifname   = config["channels"][i]["ifname"].value_or("can0");
          int    baudrate = config["channels"][i]["baudrate"].value_or(500000);
          bool   enable   = config["channels"][i]["enable"].value_or(true);

          if (enable) {
            logger->info("==================create channel {}=================", name);
            logger->info("create channel: {}, type={}, ifname={}, baudrate={}", name, type, ifname, baudrate);

            ZExCanChannel *canChannel = new ZExCanChannel(type, ifname, baudrate);
            canChannel->initialize();
            canChannel->registerOnDataCallback([](IDataChannel *ch, const string &data) {
              if (s_ondata) s_ondata(ch, data);
            });
            s_channelMap[canChannel->getChannelName()] = canChannel;
            s_channelList.push_back(canChannel);
            logger->info("");
          } else {
            logger->warn("skip channel: {}, enable=false", name);
          }
        }
        //
        else if (type == "uart") {
          string name     = config["channels"][i]["name"].value_or("uart");
          string ifname   = config["channels"][i]["ifname"].value_or("/dev/ttyS1");
          int    baudrate = config["channels"][i]["baudrate"].value_or(115200);
          bool   enable   = config["channels"][i]["enable"].value_or(true);

          if (enable) {
            logger->info("create channel: {}, type={}, ifname={}, baudrate={}", name, type, ifname, baudrate);
          } else {
            logger->warn("skip channel: {}, enable=false", name);
          }
        }
      }
    }

  } catch (const toml::parse_error &err) {
    logger->error("parse config error, {}", err);
  }

  return s_channelMap;
}

void ChannelFactory::regOnChannelData(IDataChannel::OnData_t ondata) { s_ondata = ondata; }

list<IDataChannel *> ChannelFactory::getChannels() { return s_channelList; }