import { Locale } from 'date-fns';
import { LineChartDataPoint, LineChartSeries } from '../../components/LineChart';
import { ScoreIndicatorSubject } from '../../components/ScoreIndicator';

export type GradeSystem = 'note' | 'points';
export interface GradeEntry {
    /** ISO date string */
    date: string;
    subject: string;
    /** Exam type, e.g. "Test", "Exam", "Quiz" */
    examType: string;
    value: number;
    /** Subject group driving the line colour — same groups/colours used by ScoreIndicator. Falls back to a hash-derived colour when omitted. */
    subjectCode?: ScoreIndicatorSubject;
}
export interface GradeHistoryChartProps {
    entries: GradeEntry[];
    gradeSystem: GradeSystem;
    minValue: number;
    maxValue: number;
    /**
     * Forces the Y axis direction, overriding the `gradeSystem`-derived default
     * (`true` for `'note'`, `false` for `'points'`). Use this for a scale that is inverted
     * (lower is better) but isn't German `Note` — e.g. Austria's 1–5 scale.
     */
    reversed?: boolean;
    /**
     * Forces the Y-tick interval, overriding the `gradeSystem`-derived default
     * (`1` for `'note'`, otherwise `Math.ceil((maxValue - minValue) / 5)`). Use this for a
     * scale where the derived step would skip integers — e.g. a 1–10 scale that would
     * otherwise tick every 2.
     */
    tickStep?: number;
    classAverage?: number;
    locale?: Locale;
    labels: {
        /** Required when `classAverage` is set — it labels the dashed reference line. */
        classAverage?: string;
        noData: string;
    };
}
export declare function buildChartData(entries: GradeEntry[]): {
    data: LineChartDataPoint[];
    series: LineChartSeries[];
    colorMap: Record<string, string>;
};
export declare function GradeHistoryChart({ entries, gradeSystem, minValue, maxValue, reversed: reversedOverride, tickStep, classAverage, locale, labels, }: GradeHistoryChartProps): import("react/jsx-runtime").JSX.Element;
//# sourceMappingURL=GradeHistoryChart.d.ts.map