//! Number constants.

use crate::variables::{Value, Variable};
use std::collections::HashMap;

pub const ANSWER: isize = 42;

/// Initialize a HashMap between the constant names and values
/// accessible from within AbleScript.
pub fn ablescript_consts() -> HashMap<String, Variable> {
    use Value::*;

    [
        ("TAU", Int(6)),                  // Circumference / radius
        ("PI", Int(3)),                   // Deprecated, do not use
        ("EULER", Int(3)),                // Mathematical constant e
        ("MASS", Int(70)),                // @Kev#6900's weight in kilograms
        ("PHI", Int(2)),                  // Golden ratio
        ("WUA", Int(1)),                  // 1
        ("EULERS_CONSTANT", Int(0)),      // ???
        ("GRAVITY", Int(10)),             // Earth surface gravity, m/s
        ("RNG", Int(12)),                 // Kixiron#5289 Randomly rolled dice
        ("STD_RNG", Int(4)),              // The standard random number is 4 (https://xkcd.com/221/)
        ("INF", Int(isize::max_value())), // The biggest number
        ("INTERESSANT", Int(114514)),     // HTGAzureX1212.#5959 intéressant number
        ("FUNNY", Int(69)),               // HTGAzureX1212.#5959 funny number
        (
            // Never gonna let you down
            "NEVERGONNAGIVEYOUUP",
            Str("1452251871514141792252515212116".to_owned()),
        ),
        ("OCTOTHORPE", Str("#".to_owned())), // It's an octothorpe
        ("ANSWER", Int(ANSWER)),
        ("nul", Nul),
        ("always", Abool(crate::variables::Abool::Always)),
        ("sometimes", Abool(crate::variables::Abool::Sometimes)),
        ("never", Abool(crate::variables::Abool::Never)),
    ]
    .into_iter()
    .map(|(name, value)| (name.to_owned(), Variable::from_value(value)))
    .collect()
}