use crate::Editor;
use serde::Deserialize;

#[derive(Clone, PartialEq, Deserialize)]
pub enum ScrollAmount {
    // Scroll N lines (positive is towards the end of the document)
    Line(f32),
    // Scroll N pages (positive is towards the end of the document)
    Page(f32),
}

impl ScrollAmount {
    pub fn lines(&self, editor: &mut Editor) -> f32 {
        todo!()
        // match self {
        //     Self::Line(count) => *count,
        //     Self::Page(count) => editor
        //         .visible_line_count()
        //         .map(|mut l| {
        //             // for full pages subtract one to leave an anchor line
        //             if count.abs() == 1.0 {
        //                 l -= 1.0
        //             }
        //             (l * count).trunc()
        //         })
        //         .unwrap_or(0.),
        // }
    }
}