// ABOUTME: Training zone percentages configuration types
// ABOUTME: Handles VDOT and FTP zone percentage settings for training intensity
//
// SPDX-License-Identifier: MIT OR Apache-2.0
// Copyright (c) 2025 Pierre Fitness Intelligence
use crate::intelligence::physiological_constants::training_zone_percentages::{ftp, vdot};
use serde::{Deserialize, Serialize};
use std::env;
/// Training zone percentages configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TrainingZonesConfig {
/// VDOT easy pace zone percentage
pub vdot_easy_zone_percent: f64,
/// VDOT tempo pace zone percentage
pub vdot_tempo_zone_percent: f64,
/// VDOT threshold pace zone percentage
pub vdot_threshold_zone_percent: f64,
/// VDOT interval pace zone percentage
pub vdot_interval_zone_percent: f64,
/// VDOT repetition pace zone percentage
pub vdot_repetition_zone_percent: f64,
/// FTP Zone 1 percentage (Active Recovery)
pub ftp_zone1_percent: u32,
/// FTP Zone 2 percentage (Endurance)
pub ftp_zone2_percent: u32,
/// FTP Zone 3 percentage (Tempo)
pub ftp_zone3_percent: u32,
/// FTP Zone 4 percentage (Lactate Threshold)
pub ftp_zone4_percent: u32,
/// FTP Zone 5 percentage (VO2 Max)
pub ftp_zone5_percent: u32,
}
impl Default for TrainingZonesConfig {
fn default() -> Self {
Self {
vdot_easy_zone_percent: vdot::EASY_ZONE_PERCENT,
vdot_tempo_zone_percent: vdot::TEMPO_ZONE_PERCENT,
vdot_threshold_zone_percent: vdot::THRESHOLD_ZONE_PERCENT,
vdot_interval_zone_percent: vdot::INTERVAL_ZONE_PERCENT,
vdot_repetition_zone_percent: vdot::REPETITION_ZONE_PERCENT,
ftp_zone1_percent: ftp::ZONE1_PERCENT,
ftp_zone2_percent: ftp::ZONE2_PERCENT,
ftp_zone3_percent: ftp::ZONE3_PERCENT,
ftp_zone4_percent: ftp::ZONE4_PERCENT,
ftp_zone5_percent: ftp::ZONE5_PERCENT,
}
}
}
impl TrainingZonesConfig {
/// Load training zones configuration from environment
#[must_use]
pub fn from_env() -> Self {
Self {
vdot_easy_zone_percent: env::var("TRAINING_ZONES_VDOT_EASY_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(vdot::EASY_ZONE_PERCENT),
vdot_tempo_zone_percent: env::var("TRAINING_ZONES_VDOT_TEMPO_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(vdot::TEMPO_ZONE_PERCENT),
vdot_threshold_zone_percent: env::var("TRAINING_ZONES_VDOT_THRESHOLD_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(vdot::THRESHOLD_ZONE_PERCENT),
vdot_interval_zone_percent: env::var("TRAINING_ZONES_VDOT_INTERVAL_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(vdot::INTERVAL_ZONE_PERCENT),
vdot_repetition_zone_percent: env::var("TRAINING_ZONES_VDOT_REPETITION_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(vdot::REPETITION_ZONE_PERCENT),
ftp_zone1_percent: env::var("TRAINING_ZONES_FTP_ZONE1_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(ftp::ZONE1_PERCENT),
ftp_zone2_percent: env::var("TRAINING_ZONES_FTP_ZONE2_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(ftp::ZONE2_PERCENT),
ftp_zone3_percent: env::var("TRAINING_ZONES_FTP_ZONE3_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(ftp::ZONE3_PERCENT),
ftp_zone4_percent: env::var("TRAINING_ZONES_FTP_ZONE4_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(ftp::ZONE4_PERCENT),
ftp_zone5_percent: env::var("TRAINING_ZONES_FTP_ZONE5_PERCENT")
.ok()
.and_then(|s| s.parse().ok())
.unwrap_or(ftp::ZONE5_PERCENT),
}
}
}
