use crate::interval::{compute_intervals, IntervalMetrics};
use crate::pace_model::AnalysisOptions;
use crate::trace::Trace;
use crate::waypoint::Waypoint;
#[cfg_attr(feature = "wasm", derive(serde::Serialize))]
pub struct StageStats {
pub stage_id: usize,
pub start_index: usize,
pub end_index: usize,
pub point_count: usize,
pub start_location: String,
pub end_location: String,
pub total_distance_km: f64,
pub total_elevation_gain_m: f64,
pub total_elevation_loss_m: f64,
pub avg_slope: f64,
pub max_slope: f64,
pub min_elevation: f64,
pub max_elevation: f64,
pub start_time: Option<i64>,
pub end_time: Option<i64>,
pub bearing: f64,
pub difficulty: u8,
pub estimated_duration_s: f64,
pub pace_factor: f64,
pub max_completion_time: Option<i64>,
pub cutoff_ratio: Option<f64>,
pub stop_duration: Option<u32>,
}
impl From<IntervalMetrics> for StageStats {
fn from(m: IntervalMetrics) -> Self {
Self {
stage_id: m.id,
start_index: m.start_index,
end_index: m.end_index,
point_count: m.point_count,
start_location: m.start_location,
end_location: m.end_location,
total_distance_km: m.total_distance_km,
total_elevation_gain_m: m.total_elevation_gain_m,
total_elevation_loss_m: m.total_elevation_loss_m,
avg_slope: m.avg_slope,
max_slope: m.max_slope,
min_elevation: m.min_elevation,
max_elevation: m.max_elevation,
start_time: m.start_time,
end_time: m.end_time,
bearing: m.bearing,
difficulty: m.difficulty,
estimated_duration_s: m.estimated_duration_s,
pace_factor: m.pace_factor,
max_completion_time: m.max_completion_time,
cutoff_ratio: m.cutoff_ratio,
stop_duration: m.stop_duration,
}
}
}
pub fn compute_from_waypoints(
trace: &Trace,
waypoints: &[Waypoint],
options: &AnalysisOptions,
) -> Option<Vec<StageStats>> {
let intervals = compute_intervals(
trace,
waypoints,
options,
Waypoint::is_stage_boundary,
false,
)?;
Some(intervals.into_iter().map(StageStats::from).collect())
}
#[cfg(test)]
mod tests {
use super::*;
use crate::location::Location;
fn make_trace(n: usize) -> Trace {
let locs: Vec<Location> = (0..n)
.map(|i| Location {
longitude: 0.0,
latitude: i as f64 * 0.001,
altitude: 100.0 + i as f64 * 5.0,
})
.collect();
Trace::new(&locs).unwrap()
}
fn make_waypoint(lat: f64, name: &str, wpt_type: Option<&str>, time: Option<i64>) -> Waypoint {
Waypoint {
latitude: lat,
longitude: 0.0,
elevation: None,
name: name.to_string(),
description: None,
comment: None,
symbol: None,
wpt_type: wpt_type.map(String::from),
time,
stop_duration: None,
}
}
#[test]
fn returns_none_with_fewer_than_two_stage_boundaries() {
let trace = make_trace(4);
let no_boundaries = vec![
make_waypoint(0.0, "A", None, None),
make_waypoint(0.001, "B", None, None),
];
assert!(
compute_from_waypoints(&trace, &no_boundaries, &AnalysisOptions::default()).is_none()
);
let one_boundary = vec![
make_waypoint(0.0, "Start", Some("Start"), None),
make_waypoint(0.001, "Plain", None, None),
];
assert!(
compute_from_waypoints(&trace, &one_boundary, &AnalysisOptions::default()).is_none()
);
}
#[test]
fn time_barriers_excluded_from_stages() {
let trace = make_trace(8);
let waypoints = vec![
make_waypoint(0.0, "Start", Some("Start"), None),
make_waypoint(0.003, "TB1", Some("TimeBarrier"), None),
make_waypoint(0.007, "Arrival", Some("Arrival"), None),
];
let stages =
compute_from_waypoints(&trace, &waypoints, &AnalysisOptions::default()).unwrap();
assert_eq!(stages.len(), 1);
assert!(stages[0].total_distance_km > 0.0);
}
#[test]
fn start_lifebase_arrival_two_stages() {
let locs: Vec<Location> = (0..10)
.map(|i| Location {
longitude: 0.0,
latitude: i as f64 * 0.001,
altitude: 100.0 + i as f64 * 50.0,
})
.collect();
let trace = Trace::new(&locs).unwrap();
let waypoints = vec![
make_waypoint(0.0, "Start", Some("Start"), None),
make_waypoint(0.005, "LifeBase", Some("LifeBase"), None),
make_waypoint(0.009, "Arrival", Some("Arrival"), None),
];
let stages =
compute_from_waypoints(&trace, &waypoints, &AnalysisOptions::default()).unwrap();
assert_eq!(stages.len(), 2);
assert_eq!(stages[0].stage_id, 0);
assert_eq!(stages[1].stage_id, 1);
assert!(stages[0].total_distance_km > 0.0);
assert!(stages[1].total_distance_km > 0.0);
assert!(stages[0].end_index <= stages[1].start_index);
}
#[test]
fn max_completion_time_from_timestamps() {
let trace = make_trace(6);
let waypoints = vec![
make_waypoint(0.0, "Start", Some("Start"), Some(1_000_000)),
make_waypoint(0.005, "End", Some("Arrival"), Some(1_003_600)),
];
let stages =
compute_from_waypoints(&trace, &waypoints, &AnalysisOptions::default()).unwrap();
assert_eq!(stages[0].max_completion_time, Some(3600));
assert!(stages[0].cutoff_ratio.unwrap() < 1.0);
}
#[test]
fn stop_duration_adds_to_estimated_time() {
let trace = make_trace(10);
let stop_s: u32 = 3600;
let without_stop = {
let waypoints = vec![
make_waypoint(0.0, "Start", Some("Start"), None),
make_waypoint(0.005, "LB", Some("LifeBase"), None),
make_waypoint(0.009, "Arrival", Some("Arrival"), None),
];
compute_from_waypoints(
&trace,
&waypoints,
&AnalysisOptions::default().life_base_stop(0),
)
.unwrap()
};
let with_stop = {
let mut lb = make_waypoint(0.005, "LB", Some("LifeBase"), None);
lb.stop_duration = Some(stop_s);
let waypoints = vec![
make_waypoint(0.0, "Start", Some("Start"), None),
lb,
make_waypoint(0.009, "Arrival", Some("Arrival"), None),
];
compute_from_waypoints(
&trace,
&waypoints,
&AnalysisOptions::default().life_base_stop(0),
)
.unwrap()
};
let diff = with_stop[0].estimated_duration_s - without_stop[0].estimated_duration_s;
assert!((diff - stop_s as f64).abs() < 1.0);
assert!(
(with_stop[1].estimated_duration_s - without_stop[1].estimated_duration_s).abs() < 1.0
);
}
}