import java.util.concurrent.locks.ReentrantLock

val ReentrantLock locktuya = new ReentrantLock
var db = true

rule "Tuya switcher"
when
    Member of gTuyaSwitches received command
then
    var appName = "tuya.switch";
    logInfo(appName, "Member " + triggeringItem.name + " changed to " + receivedCommand);
    try {
        // Lock transmitter so other executed rules dont't use it at the same time.
        // Concurrent calls of the rule will wait till the resource is free again.
        locktuya.lock();

        val name = triggeringItem.name.toString.split("_switch").get(0);
        val config = name + "_config";
        var relatedConfig = gTuyaConfigs.allMembers.filter [ conf | conf.name.contains(config.toString) ].head;
        config = relatedConfig.label;

        var args = config + " " + receivedCommand.toString;
        tuya_Args.sendCommand(args);

        // Wait for the command to complete
        while(tuya.state != OFF){
            Thread::sleep(100);
        }

        // Mulltiple trigger do not work if there is no break here
        // maybe external skript needs some time to properly free resources.
        Thread::sleep(400);

        // Set related item
        var trigger = name + "_trigger";
        var relatedTrigger = gTuyaConfigs.allMembers.filter [ conf | conf.name.contains(trigger.toString) ].head;
        if(relatedTrigger != null){
            var triggerItem = gTuyaSwitches.allMembers.filter [ conf | conf.name.contains(relatedTrigger.label.toString) ].head;
            logInfo(appName, "Triggered: " + triggerItem.name.toString);
            triggerItem.postUpdate(receivedCommand);
        }

        var output = tuya_Out.state.toString.replaceAll("\r|\n"," ");
        if(output != "ON" && output != "OFF"){
            logError(appName, "State changed to " + output)
        } else {
            logInfo(appName, "State changed to " + output)
        }
    }catch(Throwable t) {
        logInfo(appName, t);
    }
    finally {
        // Free the resource for the next call.
        locktuya.unlock()
    }
end

rule "Tuya status cron"
when
    Time cron "0 0/5 * * * ?"
then
    var appName = "tuya.cron";
    logInfo(appName, "Cron status update");
    if(!locktuya.isLocked()){
        locktuya.lock();
        var titerator = gTuyaSwitches.members.iterator
        while(titerator.hasNext){
            val det = titerator.next

            val config = det.name.toString.split("_switch").get(0) + "_config";
            var relatedConfig = gTuyaConfigs.allMembers.filter [ conf | conf.name.contains(config.toString) ].head;
            config = relatedConfig.label;

            var args = config + " now";
            var output = executeCommandLine("node /etc/openhab2/scripts/tuyaapi_openhab/tuya.js " + args, 5000);
            det.postUpdate(output);
            if(output != "ON" && output != "OFF"){
                logError(appName, "State changed to " + output)
            } else {
                logInfo(appName, "State changed to " + output)
            }

            if(db) { logInfo(appName, "Update [{}]", args)}
        }
        locktuya.unlock()
    }
end