"use strict";

import searchService from "./search/services/search.js";
import sql from "./sql.js";
import becca from "../becca/becca.js";
import BAttribute from "../becca/entities/battribute.js";
import attributeFormatter from "./attribute_formatter.js";
import BUILTIN_ATTRIBUTES from "./builtin_attributes.js";
import BNote from "../becca/entities/bnote.js";
import { AttributeRow } from '../becca/entities/rows.js';

const ATTRIBUTE_TYPES = ['label', 'relation'];

function getNotesWithLabel(name: string, value?: string): BNote[] {
    const query = attributeFormatter.formatAttrForSearch({type: 'label', name, value}, value !== undefined);
    return searchService.searchNotes(query, {
        includeArchivedNotes: true,
        ignoreHoistedNote: true
    });
}

// TODO: should be in search service
function getNoteWithLabel(name: string, value?: string): BNote | null {
    // optimized version (~20 times faster) without using normal search, useful for e.g., finding date notes
    const attrs = becca.findAttributes('label', name);

    if (value === undefined) {
        return attrs[0]?.getNote();
    }

    value = value?.toLowerCase();

    for (const attr of attrs) {
        if (attr.value.toLowerCase() === value) {
            return attr.getNote();
        }
    }

    return null;
}

function createLabel(noteId: string, name: string, value: string = "") {
    return createAttribute({
        noteId: noteId,
        type: 'label',
        name: name,
        value: value
    });
}

function createRelation(noteId: string, name: string, targetNoteId: string) {
    return createAttribute({
        noteId: noteId,
        type: 'relation',
        name: name,
        value: targetNoteId
    });
}

function createAttribute(attribute: AttributeRow) {
    return new BAttribute(attribute).save();
}

function getAttributeNames(type: string, nameLike: string) {
    nameLike = nameLike.toLowerCase();

    let names = sql.getColumn<string>(
        `SELECT DISTINCT name 
             FROM attributes 
             WHERE isDeleted = 0
               AND type = ?
               AND name LIKE ?`, [type, `%${nameLike}%`]);

    for (const attr of BUILTIN_ATTRIBUTES) {
        if (attr.type === type && attr.name.toLowerCase().includes(nameLike) && !names.includes(attr.name)) {
            names.push(attr.name);
        }
    }

    names = names.filter(name => ![
        'internalLink',
        'imageLink',
        'includeNoteLink',
        'relationMapLink'
    ].includes(name));

    names.sort((a, b) => {
        const aPrefix = a.toLowerCase().startsWith(nameLike);
        const bPrefix = b.toLowerCase().startsWith(nameLike);

        if (aPrefix !== bPrefix) {
            return aPrefix ? -1 : 1;
        }

        return a < b ? -1 : 1;
    });

    return names;
}

function isAttributeType(type: string): boolean {
    return ATTRIBUTE_TYPES.includes(type);
}

function isAttributeDangerous(type: string, name: string): boolean {
    return BUILTIN_ATTRIBUTES.some(attr =>
        attr.type === type &&
        attr.name.toLowerCase() === name.trim().toLowerCase() &&
        attr.isDangerous
    );
}

export default {
    getNotesWithLabel,
    getNoteWithLabel,
    createLabel,
    createRelation,
    createAttribute,
    getAttributeNames,
    isAttributeType,
    isAttributeDangerous
};
