use eyre::Result;
use plotters::prelude::*;
use std::fs::File;
use std::io::{self, BufRead};
use std::path::Path;
const FONT: &str = "Victor Mono";
pub fn create_progress_chart(name: &str, csv_path: &Path, output_path: &Path) -> Result<()> {
let file = File::open(csv_path)?;
let reader = io::BufReader::new(file);
let mut max_tests = 0;
let mut data: Vec<u32> = Vec::new();
let mut versions: Vec<String> = Vec::new();
for line in reader.lines() {
let line = line?;
let parts: Vec<&str> = line.split(',').collect();
if parts.len() > 3 {
let version = format!("v{}", parts[0]);
let passed: u32 = parts[1].parse()?;
let failed: u32 = parts[2].parse()?;
let total = failed + passed;
if total > max_tests {
max_tests = total;
}
versions.push(version);
data.push(passed);
}
}
let root_area = SVGBackend::new(output_path, (1000, 400)).into_drawing_area();
root_area.fill(&WHITE)?;
let mut chart = ChartBuilder::on(&root_area)
.x_label_area_size(45)
.y_label_area_size(70)
.margin(10)
.margin_top(20)
.caption(name, (FONT, 30.0, FontStyle::Bold))
.build_cartesian_2d((0..(versions.len() - 1) as u32).into_segmented(), 0..max_tests)?;
chart
.configure_mesh()
.light_line_style(TRANSPARENT)
.bold_line_style(BLACK.mix(0.3))
.max_light_lines(10)
.disable_x_mesh()
.y_desc("Tests Passed")
.y_label_style((FONT, 15))
.x_desc("TinyWasm Version")
.x_labels((versions.len()).min(4))
.x_label_style((FONT, 15))
.x_label_formatter(&|x| {
let SegmentValue::CenterOf(value) = x else {
return "".to_string();
};
let v = versions.get(*value as usize).unwrap_or(&"".to_string()).to_string();
format!("{} ({})", v, data[*value as usize])
})
.axis_desc_style((FONT, 15, FontStyle::Bold))
.draw()?;
chart.draw_series(
Histogram::vertical(&chart)
.style(BLUE.mix(0.5).filled())
.data(data.iter().enumerate().map(|(x, y)| (x as u32, *y))),
)?;
root_area.present()?;
Ok(())
}
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