safe_migrate/report/
interactive.rs

1use crate::analysis::state::Confidence;
2use crate::report::violations::Violation;
3use anyhow::Result;
4use crossterm::{
5    cursor,
6    event::{self, Event, KeyCode, KeyEventKind},
7    execute, queue,
8    style::{Color, Print, ResetColor, SetForegroundColor},
9    terminal::{
10        Clear, ClearType, EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode,
11        enable_raw_mode,
12    },
13};
14use std::io::{Write, stdout};
15use terminal_size::{Height, Width, terminal_size};
16
17struct TerminalGuard;
18
19impl Drop for TerminalGuard {
20    fn drop(&mut self) {
21        let _ = disable_raw_mode();
22        let mut stdout = stdout();
23        let _ = execute!(
24            stdout,
25            cursor::Show,
26            Clear(ClearType::All),
27            LeaveAlternateScreen,
28            cursor::MoveTo(0, 0)
29        );
30    }
31}
32
33pub fn run_interactive(violations: &[Violation], confidence: &Confidence) -> Result<()> {
34    if violations.is_empty() {
35        println!("No violations found!");
36        return Ok(());
37    }
38
39    enable_raw_mode()?;
40    let _guard = TerminalGuard;
41
42    let mut stdout = stdout();
43    execute!(
44        stdout,
45        EnterAlternateScreen,
46        cursor::Hide,
47        Clear(ClearType::All),
48        cursor::MoveTo(0, 0)
49    )?;
50
51    let mut selected: usize = 0;
52
53    loop {
54        queue!(stdout, Clear(ClearType::All), cursor::MoveTo(0, 0))?;
55        queue!(
56            stdout,
57            SetForegroundColor(Color::Cyan),
58            Print(format!(
59                "Safe-Migrate Interactive Viewer ({} violations) [Confidence: {:?}]\r\n\r\n",
60                violations.len(),
61                confidence
62            )),
63            ResetColor,
64        )?;
65
66        let (_w, Height(h)) = terminal_size().unwrap_or((Width(80), Height(24)));
67        // Reserve space for wrapped details without scrolling the alternate screen.
68        let window_size = (h.saturating_sub(18) as usize).max(3);
69
70        let start = selected.saturating_sub(window_size / 2);
71        let end = std::cmp::min(start + window_size, violations.len());
72
73        if start > 0 {
74            queue!(stdout, Print("   ...\r\n"))?;
75        }
76
77        for (i, v) in violations.iter().enumerate().take(end).skip(start) {
78            let prefix = if i == selected { " > " } else { "   " };
79            let color = match v.tier {
80                crate::report::violations::ViolationTier::Tier1 => Color::Red,
81                crate::report::violations::ViolationTier::Tier2 => Color::Yellow,
82                crate::report::violations::ViolationTier::Tier3 => Color::Green,
83            };
84
85            queue!(
86                stdout,
87                Print(prefix),
88                SetForegroundColor(color),
89                Print(format!("[{:?}] ", v.tier)),
90                ResetColor,
91                Print(format!("{} (rule: {})\r\n", v.operation_kind, v.rule_id))
92            )?;
93        }
94
95        if end < violations.len() {
96            queue!(stdout, Print("   ...\r\n"))?;
97        }
98
99        queue!(
100            stdout,
101            Print("\r\n------------------------------------------------------------\r\n")
102        )?;
103
104        let active = &violations[selected];
105        queue!(
106            stdout,
107            SetForegroundColor(Color::White),
108            Print("Reason: "),
109            ResetColor,
110            Print(format!("{}\r\n", active.reason)),
111            SetForegroundColor(Color::White),
112            Print("Recipe: "),
113            ResetColor,
114            Print(format!("{}\r\n", active.recipe)),
115        )?;
116
117        if let Some(sql) = &active.sql {
118            // Bound detail height so navigation remains visible.
119            let mut sql_lines: Vec<&str> = sql.lines().collect();
120            let mut truncated = false;
121            if sql_lines.len() > 5 {
122                sql_lines.truncate(5);
123                truncated = true;
124            }
125
126            queue!(
127                stdout,
128                SetForegroundColor(Color::White),
129                Print("\r\nSQL Context:\r\n"),
130                SetForegroundColor(Color::DarkGrey),
131                // Raw terminal output uses CRLF line endings.
132                Print(format!("{}\r\n", sql_lines.join("\r\n"))),
133            )?;
134
135            if truncated {
136                queue!(stdout, Print("... (truncated)\r\n"))?;
137            }
138            queue!(stdout, ResetColor)?;
139        }
140
141        queue!(stdout, Print("\r\n[Up/Down] Navigate  |  [q/Esc] Quit\r\n"))?;
142
143        stdout.flush()?;
144
145        if let Event::Key(key) = event::read()?
146            && key.kind == KeyEventKind::Press
147        {
148            match key.code {
149                KeyCode::Char('q') | KeyCode::Esc => break,
150                KeyCode::Up if selected > 0 => selected -= 1,
151                KeyCode::Down if selected < violations.len() - 1 => selected += 1,
152                _ => {}
153            }
154        }
155    }
156
157    drop(_guard);
158    println!("Exited interactive mode.");
159
160    Ok(())
161}
safe_migrate/report/interactive.rs

safe_migrate/report/
interactive.rs
