use ratatui::prelude::*;
use ratatui::widgets::{Block, Borders, Cell, Paragraph, Row, Table, Wrap};
use crate::app::{App, LogLevel};
use crate::ui::status_style;
pub fn render(f: &mut Frame, area: Rect, app: &App) {
let rows = Layout::vertical([
Constraint::Length(8),
Constraint::Fill(1),
Constraint::Length(8),
])
.split(area);
let top = Layout::horizontal([
Constraint::Percentage(34),
Constraint::Percentage(33),
Constraint::Percentage(33),
])
.split(rows[0]);
render_market_card(f, top[0], app);
render_account_card(f, top[1], app);
render_connection_card(f, top[2], app);
render_orders_and_positions(f, rows[1], app);
render_recent_logs(f, rows[2], app);
}
fn render_market_card(f: &mut Frame, area: Rect, app: &App) {
let last = app
.last_price()
.map(|v| format!("{v:.4}"))
.unwrap_or_else(|| "-".to_owned());
let change = app
.daily_change_pct()
.map(|v| format!("{v:+.2}%"))
.unwrap_or_else(|| "-".to_owned());
let (bid, ask) = app.best_bid_ask();
let lines = vec![
Line::from(format!(" {} {}", app.config.inst_id, app.config.bar)),
Line::from(vec![
Span::raw(" Last: "),
Span::styled(last, Style::default().fg(Color::Yellow).bold()),
Span::raw(" 24h: "),
Span::styled(change, Style::default().fg(Color::Cyan)),
]),
Line::from(format!(
" Bid: {} Ask: {}",
bid.map(|v| v.price.as_str()).unwrap_or("-"),
ask.map(|v| v.price.as_str()).unwrap_or("-")
)),
Line::from(format!(
" Candles: {} Trades: {}",
app.candles.len(),
app.trades.len()
)),
];
f.render_widget(
Paragraph::new(lines)
.block(Block::default().borders(Borders::ALL).title(" 行情摘要 "))
.wrap(Wrap { trim: false }),
area,
);
}
fn render_account_card(f: &mut Frame, area: Rect, app: &App) {
let total_eq: f64 = app
.balance_details()
.filter_map(|row| row.eq.as_str().parse::<f64>().ok())
.sum();
let lines = vec![
Line::from(vec![
Span::raw(" Mode: "),
Span::styled(
app.config.mode_label(),
Style::default().fg(if app.config.demo {
Color::Yellow
} else {
Color::Red
}),
),
]),
Line::from(format!(" Total eq*: {total_eq:.4}")),
Line::from(format!(" Balances: {}", app.balance_details().count())),
Line::from(format!(" Positions: {}", app.positions.len())),
Line::styled(
" *按返回币种直接求和，仅作快速视图",
Style::default().fg(Color::DarkGray),
),
];
f.render_widget(
Paragraph::new(lines).block(Block::default().borders(Borders::ALL).title(" 账户摘要 ")),
area,
);
}
fn render_connection_card(f: &mut Frame, area: Rect, app: &App) {
let statuses = [
("REST", &app.statuses.rest),
("Market", &app.statuses.market),
("Candles", &app.statuses.candles),
("Private", &app.statuses.private),
];
let rows = statuses.into_iter().map(|(name, status)| {
Row::new(vec![
Cell::from(name),
Cell::from(format!("{:?}", status.state)).style(status_style(&status.state)),
Cell::from(status.detail.as_str()),
])
});
let table = Table::new(
rows,
[
Constraint::Length(8),
Constraint::Length(14),
Constraint::Fill(1),
],
)
.block(Block::default().borders(Borders::ALL).title(" 连接状态 "));
f.render_widget(table, area);
}
fn render_orders_and_positions(f: &mut Frame, area: Rect, app: &App) {
let chunks =
Layout::horizontal([Constraint::Percentage(50), Constraint::Percentage(50)]).split(area);
let orders: Vec<Row> = app
.orders
.iter()
.take(8)
.map(|o| {
Row::new(vec![
Cell::from(o.inst_id.as_str()),
Cell::from(o.side.as_str()),
Cell::from(o.ord_type.as_str()),
Cell::from(o.px.as_str()),
Cell::from(o.sz.as_str()),
Cell::from(o.state.as_str()),
])
})
.collect();
let orders = Table::new(
orders,
[
Constraint::Percentage(26),
Constraint::Length(6),
Constraint::Length(8),
Constraint::Percentage(20),
Constraint::Percentage(20),
Constraint::Length(12),
],
)
.header(Row::new(["合约", "方向", "类型", "价格", "数量", "状态"]).fg(Color::Cyan))
.block(Block::default().borders(Borders::ALL).title(" 挂单 "));
f.render_widget(orders, chunks[0]);
let positions: Vec<Row> = app
.positions
.iter()
.take(8)
.map(|p| {
Row::new(vec![
Cell::from(p.inst_id.as_str()),
Cell::from(p.pos_side.as_str()),
Cell::from(p.pos.as_str()),
Cell::from(p.upl.as_str()),
])
})
.collect();
let positions = Table::new(
positions,
[
Constraint::Percentage(34),
Constraint::Length(8),
Constraint::Percentage(28),
Constraint::Percentage(30),
],
)
.header(Row::new(["合约", "方向", "数量", "未实现"]).fg(Color::Cyan))
.block(Block::default().borders(Borders::ALL).title(" 持仓 "));
f.render_widget(positions, chunks[1]);
}
fn render_recent_logs(f: &mut Frame, area: Rect, app: &App) {
let lines: Vec<Line> = app
.logs
.iter()
.take(5)
.map(|entry| {
let style = match entry.level {
LogLevel::Info => Style::default().fg(Color::Gray),
LogLevel::Warn => Style::default().fg(Color::Yellow),
LogLevel::Error => Style::default().fg(Color::Red),
};
Line::styled(format!(" {:?}: {}", entry.level, entry.message), style)
})
.collect();
f.render_widget(
Paragraph::new(lines).block(Block::default().borders(Borders::ALL).title(" 最近事件 ")),
area,
);
}