import Ember from 'ember';
import Service from '@ember/service';
import $ from 'jquery'
import { Promise } from 'rsvp';
import { dasherize } from '@ember/string';
import { run } from '@ember/runloop';
import { typeOf } from '@ember/utils';


export default Service.extend({
    list(modelName, start, limit, params) {
        var p = {
            start: start,
            limit: limit
        };
        if ($.type(params) === 'string') {
            p.search = params;
        }
        else {
            $.extend(true, p, params);
        }
        return this.ajaxGet(this._pathForType(modelName, '/list'), p);
    },
    find(modelName, params) {
        return this.ajaxGet(this._pathForType(modelName, '/find'), params);
    },
    count(modelName) {
        return this.ajaxGet(this._pathForType(modelName, '/count'));
    },
    create(modelName, model) {
        return this.ajaxPost(this._pathForType(modelName, '/create'), model);
    },
    update(modelName, model) {
        return this.ajaxPost(this._pathForType(modelName, '/update'), model);
    },
    del(modelName, model) {
        return this.ajaxPost(this._pathForType(modelName, '/delete'), model);
    },
    modelAjaxGet: function(modelName, path, params) {
        return this.ajaxGet(this._pathForType(modelName, path), params);
    },
    modelAjaxPost(modelName, path, params) {
        return this.ajaxPost(this._pathForType(modelName, path), params);
    },
    ajaxGet(url, params) {
        return this._ajax_request('doGet', url, params);
    },
    ajaxPost(url, params) {
        return this._ajax_request('doPost', url, params);
    },
    _ajax_request(method, url, params) {
        let me = this;
        return new Promise((resolve, reject) => {
            const paramsType = typeOf(params);
            me.ajax[method ? method : 'doGet'](url, 
                paramsType === 'string' || 
                paramsType === 'number' ? 
                {id: params} : params, 
            (data) => {
                run(null, resolve, data);
            }, (msg, r) => {
                reject(msg);
                me.dialog.error(msg || 'Ajax request erorr caused');
            });
        }, 'Ambition: Store#ajax request [' + url + ']');
    },
    _pathForType(modelName, path) {
        return (/^[a-zA-Z_][a-zA-Z0-9_]+$/.test(modelName) ? 
                    dasherize(modelName) : modelName) + 
                (/^\//.test(path) ? path : '/' + path);
    }
});