use ratatui::layout::Rect;
use ratatui::style::{Color, Style};
use ratatui::widgets::{Block, Borders, Clear};
use ratatui::Frame;

pub struct ModalFrame<'a> {
    title: &'a str,
    width: u16,
    height: u16,
    border_color: Color,
}

impl<'a> ModalFrame<'a> {
    pub fn new(title: &'a str) -> Self {
        Self {
            title,
            width: 40,
            height: 5,
            border_color: Color::White,
        }
    }

    pub fn width(mut self, w: u16) -> Self {
        self.width = w;
        self
    }

    pub fn height(mut self, h: u16) -> Self {
        self.height = h;
        self
    }

    pub fn border_color(mut self, c: Color) -> Self {
        self.border_color = c;
        self
    }

    pub fn render_centered(&self, frame: &mut Frame, term: Rect) -> Rect {
        let width = self.width.min(term.width.saturating_sub(4));
        let height = self.height.min(term.height.saturating_sub(4));

        let x = term.x + (term.width.saturating_sub(width)) / 2;
        let y = term.y + (term.height.saturating_sub(height)) / 2;
        let area = Rect::new(x, y, width, height);

        frame.render_widget(Clear, area);

        let block = Block::default()
            .borders(Borders::ALL)
            .title(self.title)
            .border_style(Style::new().fg(self.border_color));

        let inner = block.inner(area);
        frame.render_widget(block, area);

        inner
    }
}