import { moveFile } from '~/lib/api/warrens';
import type { DirectoryEntry } from '~/shared/types';

export function getParentPath(path: string): string {
    const sliceEnd = Math.max(1, path.lastIndexOf('/'));
    return path.slice(0, sliceEnd);
}

export function onDirectoryEntryDrop(
    entry: DirectoryEntry,
    isParent: boolean = false
): (e: DragEvent) => void {
    return async (e: DragEvent) => {
        const warrenStore = useWarrenStore();

        if (e.dataTransfer == null || warrenStore.current == null) {
            return;
        }

        if (entry.fileType !== 'directory') {
            return;
        }

        const fileName = e.dataTransfer.getData('application/warren');

        if (entry.name === fileName) {
            return;
        }

        let targetPath: string;

        if (isParent) {
            targetPath = getParentPath(warrenStore.current.path);
        } else {
            targetPath = warrenStore.current.path;
            if (!targetPath.endsWith('/')) {
                targetPath += '/';
            }
            targetPath += entry.name;
        }

        await moveFile(
            warrenStore.current.warrenId,
            warrenStore.current.path,
            fileName,
            targetPath
        );
    };
}