package org.to.telegramfinalproject.UI;

import javafx.application.Platform;
import javafx.fxml.FXML;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.Pane;
import javafx.scene.layout.VBox;
import org.json.JSONObject;
import org.to.telegramfinalproject.Client.ActionHandler;
import org.to.telegramfinalproject.Client.AvatarLocalResolver;
import org.to.telegramfinalproject.Client.Session;
import org.to.telegramfinalproject.Models.ChatEntry;

public class UserInfoController {

    @FXML private VBox profileCard;
    @FXML private Pane overlayBackground;
    @FXML private Button closeButton;

    @FXML private ImageView profileImage;
    @FXML private Label profileName;
    @FXML private Label profileStatus;
    @FXML private VBox bioBlock;
    @FXML private Label userBio;
    @FXML private VBox usernameBlock;
    @FXML private Label userId;

    @FXML private Button moreButton;
    @FXML private ContextMenu moreMenu;
    @FXML private MenuItem deleteChatItem;
    @FXML private MenuItem blockItem;
    @FXML private MenuItem unblockItem;

    private String otherUserId; // internal_uuid of the other user

    @FXML
    private void initialize() {
        closeButton.setOnAction(e ->
                MainController.getInstance().closeOverlay(profileCard.getParent()));
        overlayBackground.setOnMouseClicked(e ->
                MainController.getInstance().closeOverlay(profileCard.getParent()));

        // Show menu manually
        moreButton.setOnAction(e -> {
            if (moreMenu != null) {
                moreMenu.show(moreButton, javafx.geometry.Side.BOTTOM, 0, 0);
            }
        });

        // Hide menu when clicking outside
        Platform.runLater(() -> {
            if (moreButton.getScene() != null) {
                moreButton.getScene().addEventFilter(
                        javafx.scene.input.MouseEvent.MOUSE_PRESSED, ev -> {
                            if (moreMenu.isShowing()
                                    && !moreButton.localToScreen(moreButton.getBoundsInLocal())
                                    .contains(ev.getScreenX(), ev.getScreenY())) {
                                moreMenu.hide();
                            }
                        }
                );
            }
        });

        deleteChatItem.setOnAction(e -> handleDeleteChat());
        blockItem.setOnAction(e -> handleBlock());
        unblockItem.setOnAction(e -> handleUnblock());
    }

    /** Backend JSON → UI */
    public void setProfileDataFromJson(ChatEntry entry, JSONObject data) {
        // --- Profile name ---
        String name = data.optString("profile_name", entry.getName());
        profileName.setText(name);

        // --- Status ---
        String status = ChatPageController.getInstance().userStatusText(
                data.optBoolean("is_online", false),
                data.optString("last_seen", null)
        );
        profileStatus.setText(status);

        // --- Bio ---
        String bio = data.optString("bio", "");
        if (bio != null && !bio.isBlank()) {
            userBio.setText(bio);
            bioBlock.setVisible(true);
            bioBlock.setManaged(true);
        } else {
            bioBlock.setVisible(false);
            bioBlock.setManaged(false);
        }

        // --- Username ---
        String username = data.optString("user_id", "");
        if (username != null && !username.isBlank()) {
            userId.setText("@" + username);
            usernameBlock.setVisible(true);
            usernameBlock.setManaged(true);
        } else {
            usernameBlock.setVisible(false);
            usernameBlock.setManaged(false);
        }

        // --- Profile picture ---
        String imgUrl = data.optString("image_url", "");
        if (imgUrl != null && !imgUrl.isBlank()) {
            try {
                Image img = AvatarLocalResolver.load(imgUrl);
                if (img != null) profileImage.setImage(img);
            } catch (Exception ignore) {}
        } else {
            profileImage.setImage(
                    new Image(getClass().getResourceAsStream(
                            "/org/to/telegramfinalproject/Avatars/default_user_profile.png"))
            );
        }

        // --- Other user ID (needed for block/delete) ---
        this.otherUserId = data.optString("other_user_id", entry.getId().toString());

        // --- Block/Unblock ---
        boolean blocked = data.optBoolean("blocked", false)
                || data.optBoolean("is_blocked", false)
                || data.optBoolean("blocked_by_me", false);
        updateBlockMenu(blocked);
    }

    private void handleDeleteChat() {
        JSONObject req = new JSONObject()
                .put("action", "delete_chat")
                .put("receiver_id", otherUserId)
                .put("viewer_id", Session.getUserUUID());

        JSONObject resp = ActionHandler.sendWithResponse(req);
        if (resp != null && "success".equalsIgnoreCase(resp.optString("status"))) {
            MainController.getInstance().closeOverlay(profileCard.getParent());
        }
    }

    private void handleBlock() {
        JSONObject req = new JSONObject()
                .put("action", "block_user")
                .put("target_id", otherUserId)
                .put("viewer_id", Session.getUserUUID());

        JSONObject resp = ActionHandler.sendWithResponse(req);
        if (resp != null && "success".equalsIgnoreCase(resp.optString("status"))) {
            updateBlockMenu(true);
        }
    }

    private void handleUnblock() {
        JSONObject req = new JSONObject()
                .put("action", "unblock_user")
                .put("target_id", otherUserId)
                .put("viewer_id", Session.getUserUUID());

        JSONObject resp = ActionHandler.sendWithResponse(req);
        if (resp != null && "success".equalsIgnoreCase(resp.optString("status"))) {
            updateBlockMenu(false);
        }
    }

    private void updateBlockMenu(boolean isBlocked) {
        blockItem.setVisible(!isBlocked);
        unblockItem.setVisible(isBlocked);
    }
}