postform_persist 0.3.0

use postform_decoder::{Decoder, ElfMetadata, LogLevel};
use termion::color;

/// Returns the associated color for the log level
fn color_for_level(level: LogLevel) -> String {
    match level {
        LogLevel::Debug => String::from(color::Green.fg_str()),
        LogLevel::Info => String::from(color::Yellow.fg_str()),
        LogLevel::Warning => color::Rgb(255u8, 0xA5u8, 0u8).fg_string(),
        LogLevel::Error => String::from(color::Red.fg_str()),
        LogLevel::Unknown => color::Rgb(255u8, 0u8, 0u8).fg_string(),
    }
}

/// Reads a log from buffer and prints it to stdout
pub fn handle_log(elf_metadata: &ElfMetadata, buffer: &[u8]) {
    let mut decoder = Decoder::new(&elf_metadata);
    match decoder.decode(buffer) {
        Ok(log) => {
            println!(
                "{timestamp:<12.6} {color}{level:<11}{reset_color}: {msg}",
                timestamp = log.timestamp,
                color = color_for_level(log.level),
                level = log.level.to_string(),
                reset_color = color::Fg(color::Reset),
                msg = log.message
            );
            println!(
                "{color}└── File: {file_name}, Line number: {line_number}{reset}",
                color = color::Fg(color::LightBlack),
                file_name = log.file_name,
                line_number = log.line_number,
                reset = color::Fg(color::Reset)
            );
        }
        Err(error) => {
            println!(
                "{color}Error parsing log:{reset_color} {error}.",
                color = color::Fg(color::Red),
                error = error,
                reset_color = color::Fg(color::Reset)
            );
        }
    }
}