ramadan_cli/
recommendations.rs

1use std::collections::{HashMap, HashSet};
2
3fn country_method_map() -> HashMap<&'static str, i64> {
4    HashMap::from([
5        ("United States", 2),
6        ("USA", 2),
7        ("US", 2),
8        ("Canada", 2),
9        ("Mexico", 2),
10        ("Pakistan", 1),
11        ("Bangladesh", 1),
12        ("India", 1),
13        ("Afghanistan", 1),
14        ("United Kingdom", 3),
15        ("UK", 3),
16        ("Germany", 3),
17        ("Netherlands", 3),
18        ("Belgium", 3),
19        ("Sweden", 3),
20        ("Norway", 3),
21        ("Denmark", 3),
22        ("Finland", 3),
23        ("Austria", 3),
24        ("Switzerland", 3),
25        ("Poland", 3),
26        ("Italy", 3),
27        ("Spain", 3),
28        ("Greece", 3),
29        ("Japan", 3),
30        ("China", 3),
31        ("South Korea", 3),
32        ("Australia", 3),
33        ("New Zealand", 3),
34        ("South Africa", 3),
35        ("Saudi Arabia", 4),
36        ("Yemen", 4),
37        ("Oman", 4),
38        ("Bahrain", 4),
39        ("Egypt", 5),
40        ("Syria", 5),
41        ("Lebanon", 5),
42        ("Palestine", 5),
43        ("Jordan", 5),
44        ("Iraq", 5),
45        ("Libya", 5),
46        ("Sudan", 5),
47        ("Iran", 7),
48        ("Kuwait", 9),
49        ("Qatar", 10),
50        ("Singapore", 11),
51        ("France", 12),
52        ("Turkey", 13),
53        ("Türkiye", 13),
54        ("Russia", 14),
55        ("United Arab Emirates", 16),
56        ("UAE", 16),
57        ("Malaysia", 17),
58        ("Brunei", 17),
59        ("Tunisia", 18),
60        ("Algeria", 19),
61        ("Indonesia", 20),
62        ("Morocco", 21),
63        ("Portugal", 22),
64    ])
65}
66
67fn hanafi_countries() -> HashSet<&'static str> {
68    HashSet::from([
69        "Pakistan",
70        "Bangladesh",
71        "India",
72        "Afghanistan",
73        "Turkey",
74        "Türkiye",
75        "Iraq",
76        "Syria",
77        "Jordan",
78        "Palestine",
79        "Kazakhstan",
80        "Uzbekistan",
81        "Tajikistan",
82        "Turkmenistan",
83        "Kyrgyzstan",
84    ])
85}
86
87pub fn get_recommended_method(country: &str) -> Option<i64> {
88    let map = country_method_map();
89
90    if let Some(method) = map.get(country) {
91        return Some(*method);
92    }
93
94    let normalized = country.to_ascii_lowercase();
95    map.into_iter()
96        .find(|(key, _)| key.to_ascii_lowercase() == normalized)
97        .map(|(_, value)| value)
98}
99
100pub fn get_recommended_school(country: &str) -> i64 {
101    let direct = hanafi_countries();
102    if direct.contains(country) {
103        return 1;
104    }
105
106    let normalized = country.to_ascii_lowercase();
107    if direct
108        .iter()
109        .any(|entry| entry.to_ascii_lowercase() == normalized)
110    {
111        return 1;
112    }
113
114    0
115}
116
117#[cfg(test)]
118mod tests {
119    use super::{get_recommended_method, get_recommended_school};
120
121    #[test]
122    fn method_lookup_is_case_insensitive() {
123        assert_eq!(get_recommended_method("Pakistan"), Some(1));
124        assert_eq!(get_recommended_method("pakistan"), Some(1));
125    }
126
127    #[test]
128    fn school_recommendation_matches_expected_defaults() {
129        assert_eq!(get_recommended_school("Pakistan"), 1);
130        assert_eq!(get_recommended_school("Canada"), 0);
131    }
132}
ramadan_cli/recommendations.rs

ramadan_cli/
recommendations.rs
