const { Errors } = require('../../shared')
const { NodeDescriptorType } = require('../../enum')

module.exports = exports = async (message, di) => {
    const Node = di.models.get('fs:Node')
    const { path } = message.data()

    if ( !path ) {
        return message.send_response(
            message.fresh().error(Errors.NodeDoesNotExist)
        )
    }

    if ( path === '/' ) {
        return message.send_response(
            message.fresh.error(Errors.NodePermissionFail)
        )
    }

    const node = await Node.get_path(path, message.socket.session.overlay_name || 'mainline')
    if ( !node ) {
        return message.send_response(
            message.fresh().error(Errors.NodeDoesNotExist)
        )
    }

    if ( node.descriptor_type !== NodeDescriptorType.Directory ) {
        return message.send_response(
            message.fresh().error(Errors.NotDirectoryDescriptor)
        )
    }

    const child = await Node.findOne({
        pied_parent_path: path,
        overlay_name: message.socket.session.overlay_name || 'mainline',
        deleted: false,
    })

    if ( child ) {
        return message.send_response(
            message.fresh().error(Errors.NodeNotEmpty)
        )
    }

    node.deleted = true
    await node.save()

    message.send_response(
        message.fresh()
    )
}