// 3rd party imports
use anyhow::{bail, Result};

// Elements

{% for record in data %}
pub const {{ record.0|upper_snake_case }}: Element = Element { 
    name: "{{ record.0|capitalize }}", 
    symbol: "{{ record.1|capitalize }}",
    mono_mass: {{ record.2|f64_to_string }}, 
    average_mass: {{ record.3|f64_to_string }} 
};
{% endfor %}

/// Array of canoncial amino acids
///
pub const ELEMENTS: [Element; {{ data|len }}] = [
{% for record in data %}
    {{ record.0|upper_snake_case }},
{% endfor %}
];

/// Get element by symbol
///
/// # Arguments
/// `symbol` - Element symbol
///
pub fn get_element_by_symbol(symbol: &str) -> Result<&'static Element> {
    match symbol.to_ascii_lowercase().as_str() {
        {% for record in data %}
        "{{ record.1|lower }}" =>  Ok(&{{ record.0|upper_snake_case }}),
        {% endfor %}
        _=> bail!("Invalid element symbol: {}", symbol ),
    }
}