Ashwinvalento/cartoon-avatar

var config = require("../config");

var toonavatar = module.exports = {
    /**
     * generate_avatar will generate a cartoon avatar.
     * 
     * @param {Object}
     *            options
     * @return {String}
     */
    generate_avatar : function(options) {
        /*
         * options = { "gender": "male" , "id":xxx}
         * 
         */
        var baseURL = "https://raw.githubusercontent.com/Ashwinvalento/cartoon-avatar/master/lib/images/";
        var gender, id;

        if (typeof options != 'undefined' && options) {
            //If options are given but one of them is skipped
            if (typeof options.gender === 'undefined' ) {
                gender = getRandomInt(0, 1) % 2 ? "male" : "female";
            } else {
                gender = getGender(options.gender);
            }

            if ( typeof options.id === 'undefined') {
                id = getRandomInt(1,
                        gender === "male" ? config.MALE_IMAGE_COUNT
                                : config.FEMALE_IMAGE_COUNT);
            } else {
                id = options.id % Math.round(gender === "male" ? config.MALE_IMAGE_COUNT + 1
                        : config.FEMALE_IMAGE_COUNT + 1 );
                id = (id === 0 ? 1 : id );
            }
        }else{
            //If no options are given
            gender = getRandomInt(0, 1) % 2 ? "male" : "female";
            id = getRandomInt(1,
                    gender === "male" ? config.MALE_IMAGE_COUNT
                            : config.FEMALE_IMAGE_COUNT);
        }
        return baseURL + gender + "/" + id + ".png";
    }

};

function getGender(gender) {

    gender = gender.trim().toLowerCase();
    if (gender === "male" || gender === "m") {
        return "male";
    } else if (gender === "female" || gender === "f") {
        return "female";
    }
}

function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}