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use rand::Rng;
use super::IdResult;
pub fn generate(_opts: &super::GenOptions, rng: &mut impl Rng) -> String {
let mut d: Vec<u8> = vec![rng.gen_range(1..=9)];
for _ in 0..8 {
d.push(rng.gen_range(0..=9));
}
let d10 = (((d[0] as i32 + d[2] as i32 + d[4] as i32 + d[6] as i32 + d[8] as i32) * 7)
- (d[1] as i32 + d[3] as i32 + d[5] as i32 + d[7] as i32))
.rem_euclid(10) as u8;
d.push(d10);
let d11 = d.iter().map(|&x| x as u32).sum::<u32>() % 10;
d.push(d11 as u8);
d.iter().map(|x| (b'0' + x) as char).collect()
}
pub fn validate(code: &str) -> bool {
if code.len() != 11 || !code.chars().all(|c| c.is_ascii_digit()) || code.starts_with('0') {
return false;
}
let d: Vec<u8> = code.bytes().map(|b| b - b'0').collect();
let d10 = (((d[0] as i32 + d[2] as i32 + d[4] as i32 + d[6] as i32 + d[8] as i32) * 7)
- (d[1] as i32 + d[3] as i32 + d[5] as i32 + d[7] as i32))
.rem_euclid(10) as u8;
let d11 = (d[..10].iter().map(|&x| x as u32).sum::<u32>() % 10) as u8;
d[9] == d10 && d[10] == d11
}
pub fn parse(code: &str) -> IdResult {
IdResult {
country_code: "".to_string(),
code: code.to_string(),
gender: None,
dob: None,
valid: validate(code),
}
}