tuiserial-ui 0.1.0

//! Status panel and control area rendering
//!
//! This module handles rendering of the status panel showing connection info
//! and the control area showing statistics.

use ratatui::{
    layout::{Alignment, Rect},
    style::{Color, Modifier, Style},
    text::{Line, Span},
    widgets::{Block, Borders, Paragraph},
    Frame,
};
use tuiserial_core::{AppState, Parity};

use crate::areas::{update_area, UiAreaField};

/// Draw the connection status panel
pub fn draw_status_panel(f: &mut Frame, app: &AppState, area: Rect) {
    // Store area for mouse interaction
    update_area(UiAreaField::StatusPanel, area);

    let status_color = if app.is_connected {
        Color::Green
    } else {
        Color::Red
    };

    let status_icon = if app.is_connected { "✓" } else { "✗" };
    let status_text = if app.is_connected {
        "已连接"
    } else {
        "未连接"
    };

    let config_status = if app.config_locked {
        ("🔒", "已锁定", Color::Yellow)
    } else {
        ("🔓", "可修改", Color::Green)
    };

    // Format parity display
    let parity_str = match app.config.parity {
        Parity::None => "N",
        Parity::Even => "E",
        Parity::Odd => "O",
    };

    let text = vec![
        Line::from(vec![
            Span::styled(
                status_icon,
                Style::default()
                    .fg(status_color)
                    .add_modifier(Modifier::BOLD),
            ),
            Span::raw(" "),
            Span::styled(
                status_text,
                Style::default()
                    .fg(status_color)
                    .add_modifier(Modifier::BOLD),
            ),
        ]),
        Line::from(vec![
            Span::styled(config_status.0, Style::default().fg(config_status.2)),
            Span::raw(" "),
            Span::styled(config_status.1, Style::default().fg(config_status.2)),
        ]),
        Line::raw(""),
        Line::from(vec![
            Span::styled("串口: ", Style::default().fg(Color::Cyan)),
            Span::raw(if app.config.port.is_empty() {
                "未选择"
            } else {
                &app.config.port
            }),
        ]),
        Line::from(vec![
            Span::styled("波特: ", Style::default().fg(Color::Cyan)),
            Span::raw(format!("{}", app.config.baud_rate)),
        ]),
        Line::from(vec![
            Span::styled("配置: ", Style::default().fg(Color::Cyan)),
            Span::raw(format!(
                "{}-{}-{}",
                app.config.data_bits, parity_str, app.config.stop_bits
            )),
        ]),
        Line::raw(""),
        Line::from(vec![
            Span::styled(
                "o",
                Style::default()
                    .fg(Color::Green)
                    .add_modifier(Modifier::BOLD),
            ),
            Span::raw(" 连接  "),
            Span::styled(
                "r",
                Style::default()
                    .fg(Color::Cyan)
                    .add_modifier(Modifier::BOLD),
            ),
            Span::raw(" 刷新"),
        ]),
        Line::from(vec![
            Span::styled(
                "q",
                Style::default().fg(Color::Red).add_modifier(Modifier::BOLD),
            ),
            Span::raw(" 退出  "),
            Span::styled(
                "Tab",
                Style::default()
                    .fg(Color::Yellow)
                    .add_modifier(Modifier::BOLD),
            ),
            Span::raw(" 切换"),
        ]),
    ];

    let para = Paragraph::new(text).block(
        Block::default()
            .borders(Borders::ALL)
            .title(" 状态信息 ")
            .title_alignment(Alignment::Left),
    );

    f.render_widget(para, area);
}

/// Draw the control/status bar showing statistics
pub fn draw_control_area(f: &mut Frame, app: &AppState, area: Rect) {
    // Store area for mouse interaction
    update_area(UiAreaField::ControlArea, area);

    let auto_scroll_icon = if app.auto_scroll { "🔄" } else { "⏸" };

    let stats = vec![
        Span::styled(
            "TX: ",
            Style::default()
                .fg(Color::Green)
                .add_modifier(Modifier::BOLD),
        ),
        Span::styled(
            format!("{} ", app.message_log.tx_count),
            Style::default().fg(Color::White),
        ),
        Span::raw("│ "),
        Span::styled(
            "RX: ",
            Style::default()
                .fg(Color::Cyan)
                .add_modifier(Modifier::BOLD),
        ),
        Span::styled(
            format!("{} ", app.message_log.rx_count),
            Style::default().fg(Color::White),
        ),
        Span::raw("│ "),
        Span::styled(
            format!(
                "{} {}",
                auto_scroll_icon,
                if app.auto_scroll {
                    "自动滚动"
                } else {
                    "手动滚动"
                }
            ),
            if app.auto_scroll {
                Style::default().fg(Color::Green)
            } else {
                Style::default().fg(Color::Yellow)
            },
        ),
    ];

    let para = Paragraph::new(Line::from(stats))
        .block(
            Block::default()
                .borders(Borders::ALL)
                .title(" 统计信息 ")
                .title_alignment(Alignment::Left),
        )
        .alignment(Alignment::Left);

    f.render_widget(para, area);
}