package eu.ecb.mora.dmn;

import java.io.File;

import org.camunda.bpm.model.dmn.DecisionTableOrientation;
import org.camunda.bpm.model.dmn.Dmn;
import org.camunda.bpm.model.dmn.DmnModelInstance;
import org.camunda.bpm.model.dmn.HitPolicy;
import org.camunda.bpm.model.dmn.instance.Decision;
import org.camunda.bpm.model.dmn.instance.DecisionTable;
import org.camunda.bpm.model.dmn.instance.Definitions;
import org.camunda.bpm.model.dmn.instance.Input;
import org.camunda.bpm.model.dmn.instance.InputEntry;
import org.camunda.bpm.model.dmn.instance.InputExpression;
import org.camunda.bpm.model.dmn.instance.Output;
import org.camunda.bpm.model.dmn.instance.OutputEntry;
import org.camunda.bpm.model.dmn.instance.Rule;
import org.camunda.bpm.model.dmn.instance.Text;

public class TestDMN {

    public TestDMN() {
        // TODO Auto-generated constructor stub
    }

    public static void main(String[] args) {
        TestDMN dmn = new TestDMN();
        dmn.execute();
    }

    private void execute() {
        DmnModelInstance modelInstance = Dmn.createEmptyModel();

        Definitions definitions = modelInstance.newInstance(Definitions.class);
        definitions.setNamespace("http://camunda.org/schema/1.0/dmn");
        definitions.setName("definitions");
        definitions.setId("definitions");
        modelInstance.setDefinitions(definitions);

        Decision decision = modelInstance.newInstance(Decision.class);
        decision.setId("decision_id");
        decision.setName("decision_name");
        definitions.addChildElement(decision);

        DecisionTable table = modelInstance.newInstance(DecisionTable.class);
        table.setId("decisionTable");
        table.setPreferredOrientation(DecisionTableOrientation.Rule_as_Row);
        table.setHitPolicy(HitPolicy.FIRST);
        decision.addChildElement(table);

        Input input = modelInstance.newInstance(Input.class);
        input.setId("ELEMENT1_ID");
        input.setLabel("ELEMENT1_name");
        input.setCamundaInputVariable("ELEMENT2");
        table.getInputs().add(input);

        InputExpression ie = modelInstance.newInstance(InputExpression.class);
        ie.setId("expression_1");
        ie.setTypeRef("date");
        input.addChildElement(ie);

        Text text = modelInstance.newInstance(Text.class);
        text.setTextContent("ELEMENT1_ID");
        ie.addChildElement(text);

        Output result1 = modelInstance.newInstance(Output.class);
        result1.setId("result1");
        result1.setLabel("result1");
        result1.setTypeRef("boolean");
        table.getOutputs().add(result1);
        Output message = modelInstance.newInstance(Output.class);
        message.setId("message");
        message.setLabel("message");
        message.setTypeRef("string");
        table.getOutputs().add(message);

        Rule rule = modelInstance.newInstance(Rule.class);
        rule.setId("rule_1");
        table.getRules().add(rule);

        InputEntry ine = modelInstance.newInstance(InputEntry.class);
        ine.setId("ine1");
        ine.setTextContent("");
        ine.setExpressionLanguage("feel");
        rule.getInputEntries().add(ine);

        Text txt = modelInstance.newInstance(Text.class);
        txt.setTextContent("");
        ine.setText(txt);

        OutputEntry out = modelInstance.newInstance(OutputEntry.class);
        out.setId("out1");
        out.setExpressionLanguage("feel");
        txt = modelInstance.newInstance(Text.class);
        txt.setTextContent("false");
        out.setText(txt);
        rule.getOutputEntries().add(out);

        out = modelInstance.newInstance(OutputEntry.class);
        out.setId("out2");
        out.setExpressionLanguage("feel");
        txt = modelInstance.newInstance(Text.class);
        txt.setTextContent("\"Dies ist ein Text\"");
        // out.setTextContent("Dies ist ein Text");
        out.setText(txt);
        rule.getOutputEntries().add(out);

        String convertToString = Dmn.convertToString(modelInstance);
        Dmn.writeModelToFile(new File("src/test/resources/dmn/dmnfile01.dmn"), modelInstance);
    }
}