package org.msh.tb.cases;

import org.jboss.seam.Component;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Observer;
import org.msh.etbm.commons.transactionlog.ActionTX;
import org.msh.tb.entities.TbCase;
import org.msh.tb.entities.Tbunit;
import org.msh.tb.entities.enums.CaseState;
import org.msh.tb.entities.enums.RoleAction;

import java.util.Date;

@Name("caseLogService")
public class CaseLogService {

    @In(required=true)
    CaseHome caseHome;

    /**
     * Begin a transaction
     * @param roleName
     * @param tbcase
     * @return
     */
    protected ActionTX beginTX(String roleName, TbCase tbcase) {
        return ActionTX
                .begin(roleName, tbcase, RoleAction.EXEC)
                .setEntityClass( TbCase.class.getSimpleName() );
    }

    /**
     * Register case validation
     */
    @Observer("case.validate")
    public void logValidation() {
        TbCase tbcase = caseHome.getInstance();

        beginTX("CASE_VALIDATE", tbcase)
                .addRow("DisplayCaseNumber.VALIDATION_NUMBER", tbcase.getDisplayValidationNumber())
                .end();
    }


    /**
     * Register case transfer out to another health unit
     */
    @Observer("case.transferout")
    public void logCaseTransferOut() {
        TbCase tbcase = caseHome.getInstance();
        CaseMoveHome caseMoveHome = (CaseMoveHome)Component.getInstance("caseMoveHome");

        ActionTX atx = beginTX("CASE_TRANSFEROUT", tbcase);

        atx.getDetailWriter().addTableRow("cases.movdate", caseMoveHome.getMoveDate());
        atx.getDetailWriter().addTableRow("patients.desthu", caseMoveHome.getTbunitselection2().getSelected().toString());
        atx.getDetailWriter().addTableRow("AdministrativeUnit", caseMoveHome.getTbunitselection2().getSelected().getAdminUnit().getFullDisplayName());

        atx.end();
    }


    /**
     * Register case transfer in to another health unit
     */
    @Observer("case.transferin")
    public void logCaseTransferIn() {
        TbCase tbcase = caseHome.getInstance();
        CaseMoveHome caseMoveHome = (CaseMoveHome)Component.getInstance("caseMoveHome");

        ActionTX atx = beginTX("CASE_TRANSFERIN", tbcase);

        atx.getDetailWriter().addTableRow("cases.movdate", caseMoveHome.getMoveDate());
        atx.getDetailWriter().addTableRow("patients.desthu", tbcase.getOwnerUnit().getName().toString());

        atx.end();
        //saveExecuteTransaction("CASE_TRANSFERIN", tbcase);
    }


    /**
     * Register case rolling back of case transferring out
     */
    @Observer("case.transferout.rollback")
    public void logCaseTransferOutRoolback() {
        TbCase tbcase = caseHome.getInstance();

        Date transferDate = (Date)Component.getInstance("transferdate");
        Tbunit unit = (Tbunit)Component.getInstance("transferunit");

        ActionTX atx = beginTX("CASE_TRANSFERCANCEL", tbcase);

        atx.getDetailWriter().addTableRow("cases.movdate", transferDate);
        atx.getDetailWriter().addTableRow("patients.desthu", unit.getName().toString());
        atx.getDetailWriter().addTableRow("AdministrativeUnit", unit.getAdminUnit().getFullDisplayName());

        atx.end();

        //saveExecuteTransaction("CASE_TRANSFERCANCEL", tbcase);
    }


    /**
     * Register case outcome
     */
    @Observer("case.close")
    public void logCaseClose() {
        TbCase tbcase = caseHome.getInstance();

        ActionTX atx = beginTX("CASE_CLOSE", tbcase);

        atx.getDetailWriter().addTableRow("TbCase.outcomeDate", tbcase.getOutcomeDate());
        atx.getDetailWriter().addTableRow("cases.outcome", tbcase.getState());

        if (tbcase.getState().equals(CaseState.OTHER)) {
            atx.getDetailWriter().addTableRow("TbCase.otherOutcome", tbcase.getOtherOutcome());
        }

        atx.end();
        //saveExecuteTransaction("CASE_CLOSE", tbcase);
    }


    /**
     * Register case reopen
     */
    @Observer("case.reopen")
    public void logCaseReopen() {
        TbCase tbcase = caseHome.getInstance();

        beginTX("CASE_REOPEN", tbcase).end();
    }

    /**
     * Register case number changed
     */
    @Observer("case.casenumbermodified")
    public void logCaseNumberModified() {
        TbCase tbcase = caseHome.getInstance();

        beginTX("CASE_CHANGENUMBER", tbcase).end();
    }

    @Observer("case.starttreatment")
    public void logStartTreatment() {

    }
}