import { r as SummaryStrings } from "./summary-D8UEQXYr.js";
import { n as Format } from "./format-Dq02z5ZL.js";
import { CSSProperties, ReactNode } from "react";
//#region src/core/strings-grade-profile.d.ts
type GradeProfileStrings = Pick<SummaryStrings, "noData" | "gradeProfile" | "gradeProfileFlat" | "gradeProfileAt" | "gradeMax">;
//#endregion
//#region src/charts/grade-profile/geometry.d.ts
interface GradePoint {
  /** Distance along the route (monotonic; any unit, shared with `elev`). */
  d: number;
  /** Elevation (same unit as `d` so grade is a true percent). */
  elev: number;
}
interface GradeSegment {
  /** Baseline-anchored quad (flat-to-baseline trapezoid). */
  path: string;
  /** 0 = flat/descent … 3 = brutal. Quantized by `bins`. */
  bin: 0 | 1 | 2 | 3;
  /** Signed grade %, 2-dp. */
  grade: number;
  /** Pixel x span (hit-test + focus). */
  x0: number;
  x1: number;
  /** Pixel ridge y at the two ends (focus segment). */
  y0: number;
  y1: number;
  /** Raw distance at the segment end (readout). */
  dEnd: number;
  /** Cumulative climb (summed positive rise) through this segment, raw units. */
  cumGain: number;
}
interface GradeProfileGeometry {
  segments: GradeSegment[];
  /** Ridge polyline path (gaps break it). */
  ridge: string;
  /** Baseline y (bottom of the strip). */
  yBase: number;
  /** Steepest climb grade (signed %, 0 when nothing climbs). */
  maxGrade: number;
  /** Raw distance at the steepest climb (segment midpoint). */
  maxGradeAt: number;
  /** Summit tick anchor (top of the ridge at the steepest segment). */
  summitX: number;
  summitY: number;
  totalDistance: number;
  totalGain: number;
  /** Below 72 units wide the bins collapse to flat vs climb (documented). */
  collapsed: boolean;
  /** Input point count. */
  n: number;
}
declare function gradeProfileGeometry(opts: {
  data: readonly GradePoint[];
  width: number;
  height: number;
  bins: readonly [number, number, number];
  topPad: number;
}): GradeProfileGeometry;
//#endregion
//#region src/charts/grade-profile/index.d.ts
interface GradeProfileProps {
  data: readonly GradePoint[];
  /** Grade % thresholds (ascending) that quantize the four bins. Non-finite or
   *  out-of-order thresholds fall back to the defaults `[3, 6, 10]`. */
  bins?: readonly [number, number, number] | undefined;
  /** `"max"` marks the steepest pitch; `"none"` renders the profile alone. */
  label?: "max" | "none" | undefined;
  width?: number | undefined;
  height?: number | undefined;
  /** Formats distance in the summary; grade % always uses `%`. */
  format?: Format | undefined;
  locale?: string | string[] | undefined;
  strings?: GradeProfileStrings | undefined;
  /** Minimum in-chart label size, in viewBox units. Geometry sizes labels from
   *  the mark and floors them at 7; this raises that floor and moves the
   *  reserved gutter with it. A label the box cannot seat at the raised floor
   *  drops rather than shrinking back under it. */
  labelSize?: number | undefined;
  title?: string | undefined;
  summary?: string | false | undefined;
  id?: string | undefined;
  className?: string | undefined;
  style?: CSSProperties | undefined;
  children?: ReactNode | undefined;
}
/** Percent formatter for grades — intrinsic units, so it ignores `format`.
 *  Takes a grade in PERCENTAGE POINTS (16 → "16%"), which is how geometry
 *  reports it, and routes it through `Intl`'s own percent style: the old
 *  `${nf(n)}%` hardcoded the sign's position and its spacing, so a `locale`
 *  that localized every distance on the chart left the grades in en-US. */
declare function gradePercent(locale: string | string[] | undefined): (n: number) => string;
/** Shared summary — total distance, climb gain, and the steepest pitch + where. */
declare function gradeProfileSummary(geo: ReturnType<typeof gradeProfileGeometry>, strings: GradeProfileStrings, fmt: (n: number) => string, pct: (n: number) => string): string;
declare function GradeProfile(props: GradeProfileProps): ReactNode;
//#endregion
export { GradePoint as a, gradeProfileSummary as i, GradeProfileProps as n, gradePercent as r, GradeProfile as t };