use super::funejson::Value;
use super::todo_group_by_due_group_by_due_with_order::{due_group_to_value, group_by_due_with_order};
use super::todo_item::Todo;
use super::todo_item_validate_todo::todos_from_value;

/// Todos in planner sections, fixed order, empty sections left out. Sections
/// spanning several dates are sorted by due date, stably; the rest keep the
/// caller's order.
///
/// # Panics
/// Panics on an impossible or malformed date.
pub fn group_by_due(todos: &[Todo], today: &str) -> Vec<DueGroup> {
    group_by_due_with_order(todos, today, "due")
}

pub fn fune_vector(args: &[Value]) -> Value {
    let groups = group_by_due(&todos_from_value(&args[0]), args[1].as_str());
    Value::Arr(groups.iter().map(due_group_to_value).collect())
}