import { useEffect, useRef, useState } from 'react';
import { useThree } from '@react-three/fiber';
import { CameraControls, Html, ScreenSpace } from '@react-three/drei';
import { useContextActionStore, useRenameModeStore, useSelectedAssets } from '../../../../store/builder/store';
import ContextMenu from '../../../../components/ui/menu/contextMenu';

function ContextControls() {
    const { gl, controls } = useThree();
    const [canRender, setCanRender] = useState(false);
    const [visibility, setVisibility] = useState({ rename: true, focus: true, flipX: true, flipZ: true, move: true, rotate: true, duplicate: true, copy: true, paste: true, modifier: false, group: false, array: false, delete: true, });
    const [menuPosition, setMenuPosition] = useState({ x: 0, y: 0 });
    const { selectedAssets } = useSelectedAssets();
    const { setContextAction } = useContextActionStore();
    const { setIsRenameMode } = useRenameModeStore();
    const rightDrag = useRef(false);
    const isRightMouseDown = useRef(false);

    useEffect(() => {
        if (selectedAssets.length === 1) {
            setVisibility({
                rename: true,
                focus: true,
                flipX: true,
                flipZ: true,
                move: true,
                rotate: true,
                duplicate: true,
                copy: true,
                paste: true,
                modifier: false,
                group: false,
                array: false,
                delete: true,
            });
        } else if (selectedAssets.length > 1) {
            setVisibility({
                rename: false,
                focus: true,
                flipX: true,
                flipZ: true,
                move: true,
                rotate: true,
                duplicate: true,
                copy: true,
                paste: true,
                modifier: false,
                group: true,
                array: false,
                delete: true,
            });
        } else {
            setVisibility({
                rename: false,
                focus: false,
                flipX: false,
                flipZ: false,
                move: false,
                rotate: false,
                duplicate: false,
                copy: false,
                paste: false,
                modifier: false,
                group: false,
                array: false,
                delete: false,
            });
        }
    }, [selectedAssets]);

    useEffect(() => {
        const canvasElement = gl.domElement;

        const onPointerDown = (evt: any) => {
            if (evt.button === 2) {
                isRightMouseDown.current = true;
                rightDrag.current = false;
            }
        };

        const onPointerMove = () => {
            if (isRightMouseDown.current) {
                rightDrag.current = true;
            }
        };

        const onPointerUp = (evt: any) => {
            if (evt.button === 2) {
                isRightMouseDown.current = false;
            }
        };

        const handleContextClick = (event: MouseEvent) => {
            event.preventDefault();
            if (rightDrag.current) return;
            if (selectedAssets.length > 0) {
                setMenuPosition({ x: event.clientX - gl.domElement.width / 2, y: event.clientY - gl.domElement.height / 2 });
                setCanRender(true);
                if (controls) {
                    (controls as CameraControls).enabled = false;
                }
            } else {
                setCanRender(false);
                if (controls) {
                    (controls as CameraControls).enabled = true;
                }
            }
        };

        if (selectedAssets.length > 0) {
            canvasElement.addEventListener('pointerdown', onPointerDown);
            canvasElement.addEventListener('pointermove', onPointerMove);
            canvasElement.addEventListener('pointerup', onPointerUp);
            canvasElement.addEventListener('contextmenu', handleContextClick)
        } else {
            setCanRender(false);
            if (controls) {
                (controls as CameraControls).enabled = true;
            }
            setMenuPosition({ x: 0, y: 0 });
        }

        return () => {
            canvasElement.removeEventListener('pointerdown', onPointerDown);
            canvasElement.removeEventListener('pointermove', onPointerMove);
            canvasElement.removeEventListener('pointerup', onPointerUp);
            canvasElement.removeEventListener('contextmenu', handleContextClick);
        };
    }, [gl, selectedAssets]);

    const handleAssetRename = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("renameAsset");
        setIsRenameMode(true);
    }
    const handleAssetFocus = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("focusAsset");
    }
    const handleAssetMove = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("moveAsset")
    }
    const handleAssetRotate = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("rotateAsset")
    }
    const handleAssetCopy = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("copyAsset")
    }
    const handleAssetPaste = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("pasteAsset")
    }
    const handleAssetDelete = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("deleteAsset")
    }
    const handleAssetDuplicate = () => {
        setCanRender(false);
        if (controls) {
            (controls as CameraControls).enabled = true;
        }
        setContextAction("duplicateAsset")
    }

    return (
        <>
            {canRender && (
                <ScreenSpace depth={1} >
                    <Html
                        style={{
                            position: 'fixed',
                            top: menuPosition.y,
                            left: menuPosition.x,
                            zIndex: 1000
                        }}
                    >
                        <ContextMenu
                            visibility={visibility}
                            onRename={() => handleAssetRename()}
                            onFocus={() => handleAssetFocus()}
                            onFlipX={() => console.log("Flip to X")}
                            onFlipZ={() => console.log("Flip to Z")}
                            onMove={() => handleAssetMove()}
                            onRotate={() => handleAssetRotate()}
                            onDuplicate={() => handleAssetDuplicate()}
                            onCopy={() => handleAssetCopy()}
                            onPaste={() => handleAssetPaste()}
                            onGroup={() => console.log("Group")}
                            onArray={() => console.log("Array")}
                            onDelete={() => handleAssetDelete()}
                        />
                    </Html>
                </ScreenSpace>
            )}
        </>
    );
}

export default ContextControls;