import { Injectable } from '@angular/core';

import {
    AutoNewLineService,
} from './../auto-new-line/auto-new-line.service';

@Injectable()
export class MaxTextLengthService {

    constructor(
        private _autoNewLineService: AutoNewLineService,
    ) {}

    public getMaximumTextLength(
        fontSize: string,
        fontFamily: string,
        containerWidth: number,
        text = 'W',
    ): number {
        const singleCharacterWidth = this._autoNewLineService.getTextWidth(
            text,
            fontSize,
            fontFamily,
        );
        return Math.floor(containerWidth / singleCharacterWidth);
    }
}