import { devlog } from "@frontend/kitui";
import { AnyTypedQuizQuestion } from "@model/questionTypes/shared";
import { Box, Button } from "@mui/material";
import { clearRuleForAll } from "@root/questions/actions";
import { useQuestionsStore } from "@root/questions/store";
import { updateRootContentId } from "@root/quizes/actions";
import { useCurrentQuiz } from "@root/quizes/hooks";
import { cleardragQuestionContentId, setModalQuestionParentContentId, setModalQuestionTargetContentId, updateModalInfoWhyCantCreate, updateOpenedModalSettingsId } from "@root/uiTools/actions";
import { useUiTools } from "@root/uiTools/store";
import { ProblemIcon } from "@ui_kit/ProblemIcon";
import type { Core } from "cytoscape";
import Cytoscape from "cytoscape";
import popper from "cytoscape-popper";
import { enqueueSnackbar } from "notistack";
import { useEffect, useLayoutEffect, useMemo, useRef } from "react";
import CytoscapeComponent from "react-cytoscapejs";
import { withErrorBoundary } from "react-error-boundary";
import { DeleteNodeModal } from "../DeleteNodeModal";
import { addNode, layoutOptions, storeToNodes } from "./helper";
import { usePopper } from "./hooks/usePopper";
import { useRemoveNode } from "./hooks/useRemoveNode";
import "./style/styles.css";
import { stylesheet } from "./style/stylesheet";


Cytoscape.use(popper);

function CsComponent() {
    const desireToOpenABranchingModal = useUiTools(state => state.desireToOpenABranchingModal);
    const canCreatePublic = useUiTools(state => state.canCreatePublic);
    const modalQuestionParentContentId = useUiTools(state => state.modalQuestionParentContentId);
    const modalQuestionTargetContentId = useUiTools(state => state.modalQuestionTargetContentId);
    const trashQuestions = useQuestionsStore(state => state.questions);
    const cyRef = useRef<Core | null>(null);
    const { recreatePoppers, removeAllPoppers } = usePopper({ cyRef });
    const { removeNode } = useRemoveNode({ cyRef });

    const cyElements = useMemo(() => {
        const questions = trashQuestions.filter(
            (question): question is AnyTypedQuizQuestion => question.type !== null && question.type !== "result"
        );

        return storeToNodes(questions);
    }, [trashQuestions]);

    useLayoutEffect(() => {
        const cy = cyRef?.current;
        if (desireToOpenABranchingModal) {
            setTimeout(() => {
                cy?.getElementById(desireToOpenABranchingModal)?.data("eroticeyeblink", true);
            }, 250);
        } else {
            cy?.elements().data("eroticeyeblink", false);
        }
    }, [desireToOpenABranchingModal]);

    useEffect(() => {
        if (modalQuestionTargetContentId.length !== 0 && modalQuestionParentContentId.length !== 0) {
            if (!cyRef.current) return;

            addNode({
                parentNodeContentId: modalQuestionParentContentId,
                targetNodeContentId: modalQuestionTargetContentId,
            });
        }
        setModalQuestionParentContentId("");
        setModalQuestionTargetContentId("");
    }, [modalQuestionTargetContentId]);

    useEffect(function onMount() {
        updateOpenedModalSettingsId();
        document.addEventListener("pointerup", cleardragQuestionContentId);

        return () => {
            document.removeEventListener("pointerup", cleardragQuestionContentId);
            removeAllPoppers();
        };
    }, []);

    useEffect(function removePoppersOnDrag() {
        const cy = cyRef.current;
        if (!cy) return;

        let isPointerDown = false;
        let isDragging = false;

        const onPointerDown = () => {
            isPointerDown = true;
        };
        const onPointerUp = () => {
            if (isDragging) {
                isDragging = false;
                recreatePoppers();
            }
            isPointerDown = false;
        };
        const handleMove = () => {
            if (isPointerDown) {
                isDragging = true;
                removeAllPoppers();
            }
        };

        cy.on("vmousedown", onPointerDown);
        cy.on("vmousemove", handleMove);
        document.addEventListener("pointerup", onPointerUp);

        return () => {
            cy.off("vmousedown", onPointerDown);
            cy.off("vmousemove", handleMove);
            document.removeEventListener("pointerup", onPointerUp);
        };
    }, [recreatePoppers, removeAllPoppers]);

    useEffect(() => {
        cyRef.current?.layout(layoutOptions).run();
        cyRef.current?.fit(undefined, 70);
        recreatePoppers();
    }, [cyElements, recreatePoppers]);

    return (
        <>
            <Box mb="20px">
                <Button
                    sx={{
                        height: "27px",
                        color: "#7E2AEA",
                        textDecoration: "underline",
                        fontSize: "16px",
                    }}
                    variant="text"
                    onClick={() => {
                        cyRef.current?.fit();
                    }}
                >
                    Выровнять
                </Button>
                <ProblemIcon
                    blink={!canCreatePublic}
                    onClick={() => updateModalInfoWhyCantCreate(true)}
                />
            </Box>

            <CytoscapeComponent
                wheelSensitivity={0.1}
                elements={cyElements}
                style={{
                    height: "480px",
                    background: "#F2F3F7",
                    overflow: "hidden",
                }}
                stylesheet={stylesheet}
                layout={layoutOptions}
                cy={(cy) => {
                    cyRef.current = cy;
                }}
                autoungrabify={true}
            />
            <DeleteNodeModal removeNode={removeNode} />
        </>
    );
}

function Clear() {
    const quiz = useCurrentQuiz();
    if (quiz) {
        updateRootContentId(quiz?.id, "");
    }
    clearRuleForAll();
    return <></>;
}

export default withErrorBoundary(CsComponent, {
    fallback: <Clear />,
    onError: (error, info) => {
        enqueueSnackbar("Дерево порвалось");
        devlog(info);
        devlog(error);
    },
});