war-in-tunnels/src/app/widgets/board.rs

use crate::app::states::skirmish_states::BoardState;
use ratatui::{
    buffer::Buffer,
    layout::{Constraint, Layout, Rect},
    widgets::Widget,
};
use std::rc::Rc;

pub struct BoardWidget<'a> {
    state: &'a BoardState,
}

impl<'a> BoardWidget<'a> {
    pub fn new(state: &'a BoardState) -> Self {
        Self { state }
    }
}

impl Widget for BoardWidget<'_> {
    fn render(self, area: Rect, buf: &mut Buffer) {
        let horizontal: Rc<[Rect]> =
            Layout::horizontal(vec![
                Constraint::Length(self.state.cell_width as u16);
                self.state.cols
            ])
            .split(area);

        for (col_idx, col_area) in horizontal.iter().enumerate() {
            let vertical: Rc<[Rect]> =
                Layout::vertical(vec![
                    Constraint::Length(self.state.cell_height as u16);
                    self.state.rows
                ])
                .split(*col_area);

            for (row_idx, cell_area) in vertical.iter().enumerate() {
                if let Some(cell) = self.state.cells.get(
                    (row_idx + self.state.vertical_offset.get_value()) * self.state.map_width
                        + (col_idx + self.state.horizontal_offset.get_value()),
                ) {
                    // FIXME: Fix showing selected cell

                    // if row_idx + self.state.vertical_offset.get_value()
                    //     == self.state.focused_cell.row
                    //     && col_idx + self.state.horizontal_offset.get_value()
                    //         == self.state.focused_cell.col
                    // {
                    //     cell.selected = true;
                    // } else {
                    //     cell.selected = false;
                    // }

                    cell.render(*cell_area, buf);
                }
            }
        }
    }
}