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use ratatui::style::Color;
use unicode_width::UnicodeWidthChar;
#[derive(Clone, Debug, Default)]
pub struct RelfLineStyle {
pub fg: Option<Color>,
pub bg: Option<Color>,
pub bold: bool,
}
#[derive(Clone, Debug)]
pub struct RelfEntry {
pub lines: Vec<String>, // For backward compatibility and inside entries
pub original_index: usize, // Index in the original JSON (before filtering)
// Fields for corner layout (outside entries)
pub name: Option<String>,
pub url: Option<String>,
pub context: Option<String>,
pub percentage: Option<i64>,
// Fields for inside entries
pub date: Option<String>,
}
#[derive(Clone, Debug, Default)]
pub struct RelfRenderResult {
pub lines: Vec<String>,
pub styles: Vec<RelfLineStyle>,
pub entries: Vec<RelfEntry>,
}
pub struct Renderer;
impl Renderer {
pub fn display_width_str(s: &str) -> usize {
s.chars()
.map(|c| UnicodeWidthChar::width(c).unwrap_or(0))
.sum()
}
pub fn prefix_display_width(s: &str, char_pos: usize) -> usize {
s.chars()
.take(char_pos)
.map(|c| UnicodeWidthChar::width(c).unwrap_or(0))
.sum()
}
pub fn slice_columns(s: &str, start_cols: usize, width_cols: usize) -> String {
if width_cols == 0 {
return String::new();
}
let mut sum = 0usize;
let mut start_idx = 0usize;
for (i, c) in s.chars().enumerate() {
let w = UnicodeWidthChar::width(c).unwrap_or(0);
if sum + w > start_cols {
// This character extends past start_cols, so start here
start_idx = i;
break;
}
sum += w;
start_idx = i + 1;
}
let mut out = String::new();
let mut used = 0usize;
for c in s.chars().skip(start_idx) {
let w = UnicodeWidthChar::width(c).unwrap_or(0);
if used + w > width_cols {
break;
}
out.push(c);
used += w;
}
out
}
pub fn render_relf(json_input: &str, filter_pattern: &str) -> RelfRenderResult {
if let Ok(json_value) = serde_json::from_str::<serde_json::Value>(json_input) {
let mut result = RelfRenderResult::default();
if let Some(obj) = json_value.as_object() {
let mut global_index = 0; // Track the original index across all entries
for (section_key, section_value) in obj {
if section_key == "outside" || section_key == "inside" {
if let Some(section_array) = section_value.as_array() {
for item in section_array {
let original_index = global_index;
global_index += 1;
if let Some(item_obj) = item.as_object() {
if section_key == "outside" {
let mut entry_lines = Vec::new();
let name = item_obj
.get("name")
.and_then(|v| v.as_str())
.unwrap_or("");
let context = item_obj
.get("context")
.and_then(|v| v.as_str())
.unwrap_or("");
let url = item_obj
.get("url")
.and_then(|v| v.as_str())
.unwrap_or("");
let percentage = item_obj
.get("percentage")
.and_then(|v| v.as_i64());
entry_lines.push(name.to_string());
if !context.is_empty() {
entry_lines.push(context.to_string());
}
if !url.is_empty() {
entry_lines.push(url.to_string());
}
// Add percentage line, defaulting to 0% if not specified
let pct = percentage.unwrap_or(0);
entry_lines.push(format!("{}%", pct));
// Apply filter if pattern is provided
if !filter_pattern.is_empty() {
let matches = entry_lines.iter().any(|line| {
line.to_lowercase().contains(&filter_pattern.to_lowercase())
});
if !matches {
continue; // Skip this entry
}
}
result.entries.push(RelfEntry {
lines: entry_lines,
original_index,
name: Some(name.to_string()),
url: if !url.is_empty() { Some(url.to_string()) } else { None },
context: if !context.is_empty() { Some(context.to_string()) } else { None },
percentage,
date: None,
});
} else if section_key == "inside" {
let date = item_obj
.get("date")
.and_then(|v| v.as_str())
.unwrap_or("");
let context = item_obj
.get("context")
.and_then(|v| v.as_str())
.unwrap_or("");
let mut entry_lines = Vec::new();
if !date.is_empty() {
entry_lines.push(date.to_string());
}
if !context.is_empty() {
entry_lines.push(context.to_string());
}
// Apply filter if pattern is provided
if !filter_pattern.is_empty() {
let matches = entry_lines.iter().any(|line| {
line.to_lowercase().contains(&filter_pattern.to_lowercase())
});
if !matches {
continue; // Skip this entry
}
}
result.entries.push(RelfEntry {
lines: entry_lines,
original_index,
name: None,
url: None,
context: if !context.is_empty() { Some(context.to_string()) } else { None },
percentage: None,
date: if !date.is_empty() { Some(date.to_string()) } else { None },
});
}
}
}
}
}
}
}
return result;
}
let lines: Vec<String> = json_input
.lines()
.enumerate()
.take(50)
.map(|(i, line)| format!("{:4}: {}", i + 1, line))
.collect();
let mut result = RelfRenderResult::default();
result
.lines
.push("⚠ Not valid JSON - showing raw text file content".to_string());
result.styles.push(RelfLineStyle {
fg: Some(Color::Yellow),
bg: None,
bold: true,
});
result.lines.push("".to_string());
result.styles.push(RelfLineStyle::default());
for line in lines {
result.lines.push(line);
result.styles.push(RelfLineStyle::default());
}
result
}
pub fn render_json(json_input: &str) -> Vec<String> {
json_input.lines().map(|line| line.to_string()).collect()
}
}