@Named
@ViewScoped
public class KanbanBoardDragController implements Serializable {

    private static final long serialVersionUID = 1L;

    private List<KanbanColumn> columns;

    private boolean dragBoards = true;

    private List<String> boardOrder;

    @PostConstruct
    public void init() {
        columns = new ArrayList<>();

        KanbanColumn discoveryColumn = new KanbanColumn("discovery", "Discovery");
        discoveryColumn.setCssClass("kanban-discovery");
        discoveryColumn.addItem(new KanbanItem("item1", "User research",
                    "Conduct user interviews and surveys"));
        discoveryColumn.addItem(new KanbanItem("item2", "Market analysis",
                    "Analyze competitors and market trends"));

        KanbanColumn designColumn = new KanbanColumn("design", "Design");
        designColumn.setCssClass("kanban-design");
        designColumn.addItem(new KanbanItem("item3", "Wireframes",
                    "Create low-fidelity wireframes"));
        designColumn.addItem(new KanbanItem("item4", "Prototype",
                    "Build interactive prototype"));

        KanbanColumn developmentColumn = new KanbanColumn("development", "Development");
        developmentColumn.setCssClass("kanban-development");
        developmentColumn.addItem(new KanbanItem("item5", "Frontend",
                    "Implement UI components"));
        developmentColumn.addItem(new KanbanItem("item6", "Backend",
                    "Build REST API endpoints"));

        KanbanColumn testingColumn = new KanbanColumn("testing", "Testing");
        testingColumn.setCssClass("kanban-testing");
        testingColumn.addItem(new KanbanItem("item7", "Unit tests",
                    "Write unit tests for all modules"));
        testingColumn.addItem(new KanbanItem("item8", "E2E tests",
                    "Run end-to-end test suite"));

        columns.add(discoveryColumn);
        columns.add(designColumn);
        columns.add(developmentColumn);
        columns.add(testingColumn);

        boardOrder = new ArrayList<>();
        for (KanbanColumn col : columns) {
            boardOrder.add(col.getId());
        }
    }

    public void onDragBoard(KanbanBoardDragEvent event) {
        FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Board Drag Started",
                    "Board \"" + event.getBoardId() + "\" is being dragged");
        FacesContext.getCurrentInstance().addMessage(null, message);
    }

    public void onDragendBoard(KanbanBoardDragEvent event) {
        FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Board Drag Ended",
                    "Board \"" + event.getBoardId() + "\" moved to position " + event.getNewPosition());
        FacesContext.getCurrentInstance().addMessage(null, message);
    }

    public void onDrop(KanbanDragEvent event) {
        FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Item Moved",
                    "Item \"" + event.getItemId() + "\" moved from " + event.getSourceColumnId()
                                + " to " + event.getTargetColumnId());
        FacesContext.getCurrentInstance().addMessage(null, message);
    }

    public List<KanbanColumn> getColumns() {
        return columns;
    }

    public void setColumns(List<KanbanColumn> columns) {
        this.columns = columns;
    }

    public List<String> getBoardOrder() {
        return boardOrder;
    }

    public void setBoardOrder(List<String> boardOrder) {
        this.boardOrder = boardOrder;
    }

    public boolean isDragBoards() {
        return dragBoards;
    }

    public void setDragBoards(boolean dragBoards) {
        this.dragBoards = dragBoards;
    }
}