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mod common;

// LoopRoadPedestrianCrosswalk map is being used to test the discrete value rule API and its components.
// YAML information about the RoadRulebook can be found at:
// https://github.com/maliput/maliput_malidrive/blob/352601969b1363cc13fe2008c198a3d95843bf5b/resources/LoopRoadPedestrianCrosswalk.yaml#L64

#[test]
fn range_value_rule_test_api() {
    static TOLERANCE: f64 = 1e-9;
    use maliput::api::rules::RuleState;

    let road_network = common::create_loop_road_pedestrian_crosswalk_road_network_with_books();

    let book = road_network.rulebook();
    let expected_rule_id = String::from("Speed-Limit Rule Type/1_0_1_1");
    let expected_type_id = String::from("Speed-Limit Rule Type");
    let rule = book.get_range_value_rule(&expected_rule_id);
    assert!(rule.is_some());
    let rule = rule.unwrap();
    assert_eq!(rule.id(), expected_rule_id);
    assert_eq!(rule.type_id(), expected_type_id);
    let zone = rule.zone();
    let expected_zone_length = 15.;
    assert!((zone.length() - expected_zone_length).abs() < TOLERANCE);

    let invalid_rule_id = String::from("Invaliid Rule Type/InvalidRule");
    let invalid_rule = book.get_range_value_rule(&invalid_rule_id);
    assert!(invalid_rule.is_none());

    let states = rule.states();
    assert_eq!(states.len(), 1); // Only one speed limit state
    let speed_limit_state = states.first().expect("State not found");
    assert_eq!(speed_limit_state.description(), "m/s");
    assert_eq!(speed_limit_state.min(), 0.);
    assert_eq!(speed_limit_state.max(), 11.11111111111111);

    let severity = speed_limit_state.severity();
    assert_eq!(severity, 0);

    let related_rules = speed_limit_state.related_rules();
    assert_eq!(related_rules.len(), 0);
    let related_unique_ids = speed_limit_state.related_unique_ids();
    assert_eq!(related_unique_ids.len(), 0);
}
