use std::{io::Write, os::unix::net::UnixStream};

use crate::{
    app::{App, Mode},
    ipc::IpcRequest,
};
use ratatui::{
    Frame,
    layout::{Constraint, Direction, Layout},
    style::{Color, Modifier, Style},
    text::{Line, Span},
    widgets::{Block, Borders, List, ListItem, Padding, Paragraph},
};
use ratatui_image::StatefulImage;

pub fn render(f: &mut Frame, app: &mut App) {
    let main_chunks = Layout::default()
        .direction(Direction::Vertical)
        .constraints([Constraint::Min(0), Constraint::Length(3)])
        .split(f.area());

    let content_chunks = Layout::default()
        .direction(Direction::Horizontal)
        .constraints([Constraint::Length(50), Constraint::Min(0)])
        .split(main_chunks[0]);

    let items: Vec<ListItem> = app
        .filtered_items
        .iter()
        .map(|i| ListItem::new(i.as_str()))
        .collect();

    let list = List::new(items)
        .block(Block::default().borders(Borders::ALL).title(" History "))
        .highlight_style(
            Style::default()
                .bg(Color::DarkGray)
                .add_modifier(Modifier::BOLD),
        )
        .highlight_symbol(">> ");
    f.render_stateful_widget(list, content_chunks[0], &mut app.list_state);

    let right_panel_block = Block::default()
        .borders(Borders::ALL)
        .title(" Prev ")
        .padding(Padding::uniform(1));

    let inner_right_area = right_panel_block.inner(content_chunks[1]);

    f.render_widget(right_panel_block, content_chunks[1]);

    if let Some(state) = &mut app.current_image {
        let image_widget = StatefulImage::default();
        f.render_stateful_widget(image_widget, inner_right_area, state);
    } else {
        let preview_text = app.get_selected_item().cloned().unwrap_or_default();
        let preview_paragraph =
            Paragraph::new(preview_text).wrap(ratatui::widgets::Wrap { trim: true });
        f.render_widget(preview_paragraph, inner_right_area);
    }

    let bottom_text = match app.mode {
        Mode::Normal => Line::from(vec![Span::styled(
            "-- NORMAL --",
            Style::default().fg(Color::Green),
        )]),
        Mode::Command => Line::from(vec![
            Span::styled(":", Style::default().fg(Color::Yellow)),
            Span::raw(&app.input_buffer),
        ]),
        Mode::Search => Line::from(vec![
            Span::styled("/", Style::default().fg(Color::Cyan)),
            Span::raw(&app.input_buffer),
        ]),
        Mode::ConfirmDelete => Line::from(vec![Span::styled(
            "Delete ? (y/n)",
            Style::default().fg(Color::Red).add_modifier(Modifier::BOLD),
        )]),
    };

    let bottom_bar = Paragraph::new(bottom_text).block(Block::default().borders(Borders::ALL));
    f.render_widget(bottom_bar, main_chunks[1]);
}