/*
 * Copyright (C) 2022  Yomichan Authors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

namespace Translation {
    // Kanji

    /**
     * An options object for use with `Translator.findKanji`.
     */
    export interface FindKanjiOptions {
        /**
         * The mapping of dictionaries to search for kanji in.
         * The key is the dictionary name.
         */
        enabledDictionaryMap: Map<string, FindKanjiDictionary>;
    }

    /**
     * Details about a dictionary.
     */
    export interface FindKanjiDictionary {
        /**
         * The index of the dictionary
         */
        index: number;
        /**
         * The priority of the dictionary
         */
        priority: number;
    }

    // Terms

    /**
     * An options object for use with `Translator.findTerms`.
     */
    export interface FindTermsOptions {
        /**
         * The matching type for looking up terms.
         */
        matchType: FindTermsMatchType;
        /**
         * The name of the primary dictionary to search.
         */
        mainDictionary: string;
        /**
         * The name of the frequency dictionary used for sorting
         */
        sortFrequencyDictionary: string | null;
        /**
         * The order used when using a sorting dictionary.
         */
        sortFrequencyDictionaryOrder: FindTermsSortOrder;
        /**
         * Whether or not non-Japanese characters should be searched.
         */
        removeNonJapaneseCharacters: boolean;
        /**
         * Whether or not half-width characters should be converted to full-width characters.
         */
        convertHalfWidthCharacters: FindTermsVariantMode;
        /**
         * Whether or not ASCII numeric characters should be converted to full-width numeric characters.
         */
        convertNumericCharacters: FindTermsVariantMode;
        /**
         * Whether or not alphabetic characters should be converted to kana.
         */
        convertAlphabeticCharacters: FindTermsVariantMode;
        /**
         * Whether or not hiragana characters should be converted to katakana.
         */
        convertHiraganaToKatakana: FindTermsVariantMode;
        /**
         * Whether or not katakana characters should be converted to hiragana.
         */
        convertKatakanaToHiragana: FindTermsVariantMode;
        /**
         * How emphatic character sequences should be collapsed.
         */
        collapseEmphaticSequences: FindTermsEmphaticSequencesMode;
        /**
         * An iterable sequence of text replacements to be applied during the term lookup process.
         */
        textReplacements: Iterable<(FindTermsTextReplacement | null)> | null;
        /**
         * The mapping of dictionaries to search for terms in.
         * The key is the dictionary name.
         */
        enabledDictionaryMap: Map<string, FindTermDictionary>;
        /**
         * A set of dictionary names which should have definitions removed.
         */
        excludeDictionaryDefinitions: Set<string> | null;
    }

    /**
     * The matching type for looking up terms.
     */
    export enum FindTermsMatchType {
        Exact = 'exact',
        Prefix = 'prefix',
        Suffix = 'suffix',
    }

    /**
     * A sorting order to use when finding terms.
     */
     export enum FindTermsSortOrder {
        Ascending = 'ascending',
        Descending = 'descending',
    }

    /**
     * Mode describing how to handle variations.
     */
     export enum FindTermsVariantMode {
        False = 'false',
        True = 'true',
        Variant = 'variant',
    }

    /**
     * Mode describing how to handle emphatic sequence variations.
     */
     export enum FindTermsEmphaticSequencesMode {
        False = 'false',
        True = 'true',
        Full = 'full',
    }

    /**
     * Information about how text should be replaced when looking up terms.
     */
    export interface FindTermsTextReplacement {
        /**
         * The pattern to replace.
         */
        pattern: RegExp;
        /**
         * The replacement string. This can contain special sequences, such as `$&`.
         */
        replacement: string;
    }

    /**
     * Details about a dictionary.
     */
    export interface FindTermDictionary {
        /**
         * The index of the dictionary
         */
        index: number;
        /**
         * The priority of the dictionary
         */
        priority: number;
        /**
         * Whether or not secondary term searches are allowed for this dictionary.
         */
        allowSecondarySearches: boolean;
    }
}