hbd 0.1.0

Remember birthdays easily!
Documentation 
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use crate::{error::HbdResult, files::storage::Storage, utils::date::DateAndYear};


pub fn import(
    path: &str,
    exit_on_duplicate: Option<bool>,
    check_duplicates: Option<bool>,
) -> HbdResult<()> {
    let mut storage_birthdays = Storage::read_from_json()?;

    // get the content of the file
    let file_content = std::fs::read_to_string(path)?;


    // Get all the existings names in a vector, to easily check if they exists after that.
    let mut all_names = storage_birthdays
        .birthdays()
        .clone()
        .into_iter()
        .flat_map(|e| e.1)
        .collect::<Vec<String>>();


    // We need to evaluate each line of the files
    for (i, line) in tqdm::tqdm(file_content.lines().enumerate()) {
        let mut line_iter = line.split(' ');

        // Name
        let name = if let Some(name) = line_iter.next() {
            if check_duplicates.unwrap_or(true) {
                if all_names.iter().any(|n| n == name) {
                    eprintln!("Person with name `{name}` already exists");

                    if exit_on_duplicate.unwrap_or(false) {
                        std::process::exit(1)
                    }
                }
                all_names.push(name.to_owned());
            }
            name
        } else {
            exit_on_line(i, line);
        };

        // Date
        let formatted_date = if let Some(birth_date) = line_iter.next() {
            match DateAndYear::from_date_str(birth_date) {
                Ok(d) => d,
                Err(why) => {
                    eprintln!("Item at line {i} is in a bad format: `{line}`");
                    return Err(why);
                },
            }
        } else {
            exit_on_line(i, line);
        };


        // Verify that there aren't extra arguments
        if line_iter.next().is_some() {
            exit_on_line(i, line);
        }



        // Insert the birthday in the JSON
        if let Some(birthdays) = storage_birthdays
            .birthdays
            .get_mut(formatted_date.date_u16())
        {
            birthdays.push(name.to_owned());
        } else {
            storage_birthdays
                .birthdays
                .insert(*formatted_date.date_u16(), vec![name.to_owned()]);
        }

        // Add the year if there is some
        if let Some(year) = formatted_date.year() {
            storage_birthdays.ages.insert(name.to_owned(), *year);
        }
    }
    println!("{storage_birthdays:#?}");

    storage_birthdays.write_to_storage()?;

    println!("All birthdays have been successfully imported!");

    Ok(())
}



pub fn exit_on_line(line_index: usize, line_string: &str) -> ! {
    eprintln!(
        "Item at line {} is in a bad format: `{line_string}`",
        line_index + 1
    );
    std::process::exit(1)
}