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import type { AnalyticsPoint } from "./types.js";
export const niceStep = (range: number, target: number): number => {
if (range <= 0) return 1;
const ideal = range / target;
const magnitude = 10 ** Math.floor(Math.log10(ideal));
let best = magnitude;
let bestDistance = Number.POSITIVE_INFINITY;
for (const factor of [1, 2, 5, 10]) {
const candidate = factor * magnitude;
const distance = Math.abs(candidate - ideal);
if (distance < bestDistance) {
bestDistance = distance;
best = candidate;
}
}
return best;
};
export const ticks = (min: number, max: number, target = 5): number[] => {
const step = niceStep(max - min, target);
const values: number[] = [];
for (let value = Math.floor(min / step) * step; value <= max + 1e-9; value += step) {
if (value >= min - 1e-9) values.push(roundStep(value));
}
return values;
};
const roundStep = (value: number): number => {
if (!Number.isFinite(value) || value === 0) return 0;
const decimals = Math.max(0, -Math.floor(Math.log10(value) + 1e-9));
return Number(value.toFixed(decimals));
};
export const formatSpeed = (speed: number): string => `${speed.toFixed(1)}`;
export const formatCotacol = (cotacol: number): string => (cotacol >= 100 ? `${Math.round(cotacol)}` : `${cotacol.toFixed(1)}`);
export const formatHours = (hours: number): string => {
if (hours < 1) return `${Math.round(hours * 60)}m`;
const h = Math.floor(hours);
const m = Math.round((hours - h) * 60);
if (m === 0) return `${h}h`;
return `${h}h${String(m).padStart(2, "0")}`;
};
export type ColorBy = "none" | "year" | "rideType" | "bikeType";
export interface RideGroup {
label: string;
count: number;
colorIndex: number;
}
export interface GroupedPoint {
point: AnalyticsPoint;
colorIndex: number;
}
const UNKNOWN_LABEL = "Unknown";
const rideTypeLabels: Record<string, string> = {
"": UNKNOWN_LABEL,
training: "Training",
indoor: "Indoor",
race: "Race",
transport: "Transport",
};
const bikeTypeLabels: Record<string, string> = {
"": UNKNOWN_LABEL,
road: "Road",
mtb: "MTB",
};
const rideTypeOrder = ["training", "indoor", "race", "transport"];
const bikeTypeOrder = ["road", "mtb"];
export const analyticsRideTypeLabel = (value: string): string => rideTypeLabels[value] ?? value;
export const analyticsBikeTypeLabel = (value: string): string => bikeTypeLabels[value] ?? value;
const rideTypeColorIndex = (value: string): number => {
const index = rideTypeOrder.indexOf(value);
return index < 0 ? rideTypeOrder.length : index;
};
const bikeTypeColorIndex = (value: string): number => {
const index = bikeTypeOrder.indexOf(value);
return index < 0 ? bikeTypeOrder.length : index;
};
const yearColorIndex = (value: number, years: number[]): number => years.indexOf(value);
export const groupRidePoints = (points: AnalyticsPoint[], colorBy: ColorBy): RideGroup[] => {
if (colorBy === "none") return [];
const counts = new Map<string, number>();
for (const point of points) {
const key = groupKey(colorBy, point);
counts.set(key, (counts.get(key) ?? 0) + 1);
}
return groupKeys(colorBy, counts).map((key, index) => ({
label: groupLabel(colorBy, key),
count: counts.get(key) ?? 0,
colorIndex: colorIndexForGroupKey(colorBy, key, index),
}));
};
const colorIndexForGroupKey = (colorBy: ColorBy, key: string, compactIndex: number): number => {
if (colorBy === "rideType") return rideTypeColorIndex(key);
if (colorBy === "bikeType") return bikeTypeColorIndex(key);
return compactIndex;
};
const groupKey = (colorBy: ColorBy, point: AnalyticsPoint): string => {
if (colorBy === "year") return String(point.year);
if (colorBy === "rideType") return point.rideType;
if (colorBy === "bikeType") return point.bikeType;
return "";
};
const groupLabel = (colorBy: ColorBy, key: string): string => {
if (colorBy === "year") return key;
if (colorBy === "rideType") return analyticsRideTypeLabel(key);
if (colorBy === "bikeType") return analyticsBikeTypeLabel(key);
return key;
};
const groupKeys = (colorBy: ColorBy, counts: Map<string, number>): string[] => {
const keys = [...counts.keys()];
if (colorBy === "rideType") {
return [...rideTypeOrder.filter((key) => counts.has(key)), ...(counts.has("") ? [""] : [])];
}
if (colorBy === "bikeType") {
return [...bikeTypeOrder.filter((key) => counts.has(key)), ...(counts.has("") ? [""] : [])];
}
if (colorBy === "year") {
return keys.sort((a, b) => Number(a) - Number(b));
}
return keys;
};
export const colorIndexForPoint = (point: AnalyticsPoint, colorBy: ColorBy): number => {
if (colorBy === "year") return 0;
if (colorBy === "rideType") return rideTypeColorIndex(point.rideType);
if (colorBy === "bikeType") return bikeTypeColorIndex(point.bikeType);
return 0;
};
export const groupedPoints = (points: AnalyticsPoint[], colorBy: ColorBy): GroupedPoint[] => {
if (colorBy === "year") {
const years = [...new Set(points.map((point) => point.year))].sort((a, b) => a - b);
return points.map((point) => ({ point, colorIndex: yearColorIndex(point.year, years) }));
}
return points.map((point) => ({ point, colorIndex: colorIndexForPoint(point, colorBy) }));
};
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