import InstaTocPlugin from "./main";
import { LocalTocSettings } from "./types";
import { MergicianOptions } from "mergician";

export const instaTocCodeBlockId = 'insta-toc';

// Matches 3 groups: indent, bullet, and content
export const listRegex: RegExp = /^(\s*)(-|\d+(?:\.\d+)*|\d\.)\s+(.*)/;

// Extracts path/link WITH alias from headings with Obsidian wiki links
export const wikiLinkWithAliasRegex: RegExp = /\[\[([^\]]+)\|([^\]]+)\]\]/g;

// Extracts path/link WITHOUT alias from headings with Obsidian wiki links
export const wikiLinkNoAliasRegex: RegExp = /\[\[([^\]\|]+)\]\]/g;

// Extracts path/link and alias from headings with regular markdown links
export const markdownLinkRegex: RegExp = /\[([^\]]+)\]\([^)]+\)/g;

// Replaces tags in headings
export const tagLinkRegex: RegExp = /(#)([/\-_\w][^\s]*)/g;

// Omit Specific Headings
export const omitHeadingRegex: RegExp = /<!--\s*omit\s*-->/;

// Extracts TOC settings
export const localTocSettingsRegex: RegExp = /-{3}\n([\s\S]*)\n-{3}/;


export const BulletTypes = {
    dash: 'dash',
    number: 'number'
}
export const DefaultExcludedChars: string[] = ['*', '_', '`', '==', '~~', '{', '}', '#', '\\'];

export const mergicianSettings: MergicianOptions = {
    onlyCommonKeys: false,
    onlyUniversalKeys: false,
    skipCommonKeys: false,
    skipUniversalKeys: false,
    dedupArrays: true,
    sortArrays: true
}

export function getDefaultLocalSettings(): LocalTocSettings {
    return {
        title: {
            name: InstaTocPlugin.getGlobalSetting<'tocTitle'>('tocTitle') ?? 'Table of Contents',
            level: 1,
            center: false
        },
        exclude: "",
        style: {
            listType: InstaTocPlugin.getGlobalSetting<'bulletType'>('bulletType') ?? BulletTypes.dash
        },
        omit: [],
        levels: {
            min: 1,
            max: 6
        }
    };
}