117 lines
3.9 KiB
Rust
117 lines
3.9 KiB
Rust
use ratatui::{
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layout::{Alignment, Constraint, Direction, Layout, Rect},
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style::{Color, Modifier, Style},
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text::{Line, Span},
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widgets::{Block, Borders, Paragraph},
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Frame,
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};
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use crate::app::App;
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use crate::utils::format_timestamp;
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pub fn render(f: &mut Frame, area: Rect, app: &App) {
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if let Some(chat) = app.get_selected_chat() {
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let message_chunks = Layout::default()
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.direction(Direction::Vertical)
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.constraints([
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Constraint::Length(3), // Chat header
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Constraint::Min(0), // Messages
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Constraint::Length(3), // Input box
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])
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.split(area);
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// Chat header
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let header = Paragraph::new(format!("👤 {}", chat.title))
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.block(Block::default().borders(Borders::ALL))
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.style(
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Style::default()
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.fg(Color::Cyan)
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.add_modifier(Modifier::BOLD),
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);
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f.render_widget(header, message_chunks[0]);
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// Messages
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let mut lines: Vec<Line> = Vec::new();
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for msg in &app.current_messages {
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let sender_style = if msg.is_outgoing {
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Style::default()
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.fg(Color::Green)
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.add_modifier(Modifier::BOLD)
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} else {
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Style::default()
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.fg(Color::Cyan)
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.add_modifier(Modifier::BOLD)
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};
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let sender_name = if msg.is_outgoing {
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"You".to_string()
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} else {
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msg.sender_name.clone()
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};
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let read_mark = if msg.is_outgoing {
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if msg.is_read { " ✓✓" } else { " ✓" }
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} else {
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""
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};
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// Форматируем время
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let time = format_timestamp(msg.date);
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lines.push(Line::from(vec![
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Span::styled(format!("{} ", sender_name), sender_style),
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Span::raw("── "),
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Span::styled(format!("{}{}", time, read_mark), Style::default().fg(Color::DarkGray)),
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]));
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lines.push(Line::from(msg.content.clone()));
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lines.push(Line::from(""));
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}
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if lines.is_empty() {
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lines.push(Line::from(Span::styled(
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"Нет сообщений",
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Style::default().fg(Color::DarkGray),
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)));
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}
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// Вычисляем скролл с учётом пользовательского offset
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let visible_height = message_chunks[1].height.saturating_sub(2) as usize;
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let total_lines = lines.len();
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let base_scroll = if total_lines > visible_height {
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total_lines - visible_height
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} else {
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0
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};
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let scroll_offset = base_scroll.saturating_sub(app.message_scroll_offset) as u16;
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let messages_widget = Paragraph::new(lines)
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.block(Block::default().borders(Borders::ALL))
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.scroll((scroll_offset, 0));
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f.render_widget(messages_widget, message_chunks[1]);
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// Input box
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let input_text = if app.message_input.is_empty() {
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"> Введите сообщение...".to_string()
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} else {
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format!("> {}", app.message_input)
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};
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let input_style = if app.message_input.is_empty() {
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Style::default().fg(Color::DarkGray)
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} else {
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Style::default().fg(Color::Yellow)
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};
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let input = Paragraph::new(input_text)
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.block(Block::default().borders(Borders::ALL))
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.style(input_style);
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f.render_widget(input, message_chunks[2]);
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} else {
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let empty = Paragraph::new("Выберите чат")
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.block(Block::default().borders(Borders::ALL))
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.style(Style::default().fg(Color::DarkGray))
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.alignment(Alignment::Center);
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f.render_widget(empty, area);
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}
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}
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