/*
 * Copyright (C) 2021  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 {
    // Common

    /**
     * A generic dictionary entry which is used as the base interface.
     */
    export interface DictionaryEntry {
        /**
         * A string corresponding to the type of the entry.
         * `'kanji'` corresponds to a KanjiDictionaryEntry.
         * `'term'` corresponds to a TermDictionaryEntry.
         */
        type: string;
    }

    /**
     * A tag represents some brief information about part of a dictionary entry.
     */
    export interface Tag {
        /**
         * The name of the tag.
         */
        name: string;
        /**
         * The category of the tag.
         */
        category: string;
        /**
         * A number indicating the sorting order of the tag.
         */
        order: number;
        /**
         * A score value for the tag.
         */
        score: number;
        /**
         * An array of descriptions for the tag. * If there are multiple entries,
         * the values will typically have originated from different dictionaries.
         * However, there is no correlation between the length of this array and
         * the length of the `dictionaries` field, as duplicates are removed.
         */
        content: string[];
        /**
         * An array of dictionary names that contained a tag with this name and category.
         */
        dictionaries: string[];
        /**
         * Whether or not this tag is redundant with previous tags.
         */
        redundant: boolean;
    }

    // Kanji

    /**
     * A dictionary entry for a kanji character.
     * `DictionaryEntry.type` is always `'kanji'`.
     */
    export interface KanjiDictionaryEntry extends DictionaryEntry {
        /**
         * The kanji character that was looked up.
         */
        character: string;
        /**
         * The name of the dictionary that the information originated from.
         */
        dictionary: string;
        /**
         * Onyomi readings for the kanji character.
         */
        onyomi: string[];
        /**
         * Kunyomi readings for the kanji character.
         */
        kunyomi: string[];
        /**
         * Tags for the kanji character.
         */
        tags: Tag[];
        /**
         * An object containing stats about the kanji character.
         */
        stats: KanjiStatGroups;
        /**
         * Definitions for the kanji character.
         */
        definitions: string[];
        /**
         * Frequency information for the kanji character.
         */
        frequencies: KanjiFrequency[];
    }

    /**
     * An object with groups of stats about a kanji character.
     */
    export interface KanjiStatGroups {
        /**
         * A group of stats.
         * @param propName The name of the group.
         */
        [propName: string]: KanjiStat[];
    }

    /**
     * A stat represents a generic piece of information about a kanji character.
     */
    export interface KanjiStat {
        /**
         * The name of the stat.
         */
        name: string;
        /**
         * The category of the stat.
         */
        category: string;
        /**
         * A description of the stat.
         */
        content: string;
        /**
         * A number indicating the sorting order of the stat.
         */
        order: number;
        /**
         * A score value for the stat.
         */
        score: number;
        /**
         * The name of the dictionary that the stat originated from.
         */
        dictionary: string;
        /**
         * A value for the stat.
         */
        value: number | string;
    }

    /**
     * Frequency information corresponds to how frequently a character appears in a corpus,
     * which can be a number of occurrences or an overall rank.
     */
    export interface KanjiFrequency {
        /**
         * The original order of the frequency, which is usually used for sorting.
         */
        index: number;
        /**
         * The name of the dictionary that the frequency information originated from.
         */
        dictionary: string;
        /**
         * The index of the dictionary in the original list of dictionaries used for the lookup.
         */
        dictionaryIndex: number;
        /**
         * The priority of the dictionary.
         */
        dictionaryPriority: number;
        /**
         * The kanji character for the frequency.
         */
        character: string;
        /**
         * The frequency for the character, as a number of occurrences or an overall rank.
         */
        frequency: number | string;
    }

    // Terms

    /**
     * A dictionary entry for a term or group of terms.
     * `DictionaryEntry.type` is always `'term'`.
     */
    export interface TermDictionaryEntry extends DictionaryEntry {
        /**
         * Database ID for the term, or `-1` if multiple entries have been merged.
         */
        id: number;
        /**
         * Whether or not any of the sources is a primary source. Primary sources are derived from the
         * original search text, while non-primary sources originate from related terms.
         */
        isPrimary: boolean;
        /**
         * Database sequence number for the term, or `-1` if multiple entries have been merged.
         */
        sequence: number;
        /**
         * A list of inflections that was applied to get the term.
         */
        inflections: string[];
        /**
         * A score for the dictionary entry.
         */
        score: number;
        /**
         * The index of the dictionary in the original list of dictionaries used for the lookup.
         */
        dictionaryIndex: number;
        /**
         * The priority of the dictionary.
         */
        dictionaryPriority: number;
        /**
         * The number of primary sources that had an exact text match for the term.
         */
        sourceTermExactMatchCount: number;
        /**
         * The maximum length of the transformed text for all primary sources.
         */
        maxTransformedTextLength: number;
        /**
         * Headwords for the entry.
         */
        headwords: TermHeadword[];
        /**
         * Definitions for the entry.
         */
        definitions: TermDefinition[];
        /**
         * Pronunciations for the entry.
         */
        pronunciations: TermPronunciation[];
        /**
         * Frequencies for the entry.
         */
        frequencies: TermFrequency[];
    }

    /**
     * A term headword is a combination of a term, reading, and auxiliary information.
     */
    export interface TermHeadword {
        /**
         * The original order of the headword, which is usually used for sorting.
         */
        index: number;
        /**
         * The text for the term.
         */
        term: string;
        /**
         * The reading of the term.
         */
        reading: string;
        /**
         * The sources of the term.
         */
        sources: TermSource[];
        /**
         * Tags for the headword.
         */
        tags: Tag[];
        /**
         * List of word classes (part of speech) for the headword.
         */
        wordClasses: string[];
    }

    /**
     * A definition contains a list of entries and information about what what terms it corresponds to.
     */
    export interface TermDefinition {
        /**
         * The original order of the definition, which is usually used for sorting.
         */
        index: number;
        /**
         * A list of headwords that this definition corresponds to.
         */
        headwordIndices: number[];
        /**
         * The name of the dictionary that the definition information originated from.
         */
        dictionary: string;
        /**
         * Tags for the definition.
         */
        tags: Tag[];
        /**
         * The definition entries.
         */
        entries: string[];
    }

    /**
     * A term pronunciation represents different ways to pronounce one of the headwords.
     */
    export interface TermPronunciation {
        /**
         * The original order of the pronunciation, which is usually used for sorting.
         */
        index: number;
        /**
         * Which headword this pronunciation corresponds to.
         */
        headwordIndex: number;
        /**
         * The name of the dictionary that the proununciation information originated from.
         */
        dictionary: string;
        /**
         * The index of the dictionary in the original list of dictionaries used for the lookup.
         */
        dictionaryIndex: number;
        /**
         * The priority of the dictionary.
         */
        dictionaryPriority: number;
        /**
         * The pitch accent representations for the term.
         */
        pitches: TermPitch[];
    }

    /**
     * Pitch accent information for a term, represented as the position of the downstep.
     */
    export interface TermPitch {
        /**
         * Position of the downstep, as a number of mora.
         */
        position: number;
        /**
         * Tags for the pitch accent.
         */
        tags: Tag[];
    }

    /**
     * Frequency information corresponds to how frequently a term appears in a corpus,
     * which can be a number of occurrences or an overall rank.
     */
    export interface TermFrequency {
        /**
         * The original order of the frequency, which is usually used for sorting.
         */
        index: number;
        /**
         * Which headword this frequency corresponds to.
         */
        headwordIndex: number;
        /**
         * The name of the dictionary that the frequency information originated from.
         */
        dictionary: string;
        /**
         * The index of the dictionary in the original list of dictionaries used for the lookup.
         */
        dictionaryIndex: number;
        /**
         * The priority of the dictionary.
         */
        dictionaryPriority: number;
        /**
         * Whether or not the frequency had an explicit reading specified.
         */
        hasReading: boolean;
        /**
         * The frequency for the term, as a number of occurrences or an overall rank.
         */
        frequency: number | string;
    }

    /**
     * Source information represents how the original text was transformed to get to the final term.
     */
    export interface TermSource {
        /**
         * The original text that was searched.
         */
        originalText: string;
        /**
         * The original text after being transformed, but before applying deinflections.
         */
        transformedText: string;
        /**
         * The final text after applying deinflections.
         */
        deinflectedText: string;
        /**
         * Whether or not this source is a primary source. Primary sources are derived from the
         * original search text, while non-primary sources originate from related terms.
         */
        isPrimary: boolean;
    }
}