use std::fs;
use std::path::PathBuf;
use crate::configuration::Configuration;

pub fn status(configuration: &Configuration) -> String {
    let mut status_message = String::new();

    status_message.push_str("# Configuration\n");
    status_message.push_str("\n## Directories\n");

    // Main Configuration Locations
    status_message.push_str(&get_directory_stats("Configuration", &configuration.config_directory));
    status_message.push_str(&get_directory_stats("Data", &configuration.data_directory));
    status_message.push_str(&get_directory_stats("Output", &configuration.output_directory));

    status_message.push_str("\n## Blog Settings\n");
    status_message.push_str(&format!("Number of posts to keep: {}\n", configuration.max_posts));
    status_message
}

fn get_directory_stats(label: &str, directory: &PathBuf) -> String {
    let mut status_message = String::new();

    status_message.push_str(&format!("{}: {}. ", label, directory.display()));
    if directory.exists() {
        status_message.push_str("Exists ");
        if fs::read_dir(&directory).is_ok() {
            status_message.push_str("and is readable.\n");
        } else {
            status_message.push_str("but is not readable.\n");
        }
    } else {
        status_message.push_str("Does not exist.\n");
    }

    status_message
}