import { defaultExcludedChars } from "../constants";
import type { FileKey, FoldKey, HeadingLevel, LocalTocSettings } from "../types";

type UpdateDelay =
    | 500
    | 1000
    | 1500
    | 2000
    | 2500
    | 3000
    | 3500
    | 4000
    | 4500
    | 5000
    | 5500
    | 6000
    | 6500
    | 7000
    | 7500
    | 8000
    | 8500
    | 9000
    | 9500
    | 10000;

export interface InstaTocSettings {
    updateDelay: UpdateDelay;
    tocTitle: string;
    tocTitleLevel: HeadingLevel;
    tocTitleCentered: boolean;
    excludedHeadingLevels: HeadingLevel[];
    excludedHeadingText: string[];
    excludedChars: string[];
}

export const DEFAULT_SETTINGS: InstaTocSettings = {
    updateDelay: 2000,
    tocTitle: "Table of Contents",
    tocTitleLevel: 1,
    tocTitleCentered: false,
    excludedHeadingLevels: [],
    excludedHeadingText: [],
    excludedChars: defaultExcludedChars
};

export type InstaTocPersistedData = {
    settings: Partial<InstaTocSettings>;
    tocFoldState: Record<FoldKey, boolean>;
    tocBlockCollapseState: Record<FileKey, boolean>;
};

export function getDefaultLocalSettings(): LocalTocSettings {
    return {
        title: { name: null, level: null, center: null },
        exclude: null,
        omit: null,
        levels: { min: null, max: null }
    };
}