'use strict';

const router = require('../router.js');
const api = require('../api.js');
const misc = require('../util/misc.js');
const uri = require('../util/uri.js');
const PoolCategoryList = require('../models/pool_category_list.js');
const PoolCreateView = require('../views/pool_create_view.js');
const EmptyView = require('../views/empty_view.js');

class PoolCreateController {
    constructor(ctx) {
        if (!api.hasPrivilege('pools:create')) {
            this._view = new EmptyView();
            this._view.showError('You don\'t have privileges to create pools.');
            return;
        }

        PoolCategoryList.get()
          .then(poolCategoriesResponse => {
                const categories = {};
                for (let category of poolCategoriesResponse.results) {
                    categories[category.name] = category.name;
                }

                this._view = new PoolCreateView({
                    canCreate: api.hasPrivilege('pools:create'),
                    categories: categories,
                    escapeColons: uri.escapeColons,
                });

                this._view.addEventListener('submit', e => this._evtCreate(e));
            }, error => {
            this._view = new EmptyView();
            this._view.showError(error.message);
        });
    }

    _evtCreate(e) {
        this._view.clearMessages();
        this._view.disableForm();
        api.post(uri.formatApiLink('pool'), e.detail)
            .then(() => {
                this._view.clearMessages();
                misc.disableExitConfirmation();
                const ctx = router.show(uri.formatClientLink('pools'));
                ctx.controller.showSuccess('Pool created.');
            }, error => {
                this._view.showError(error.message);
                this._view.enableForm();
            });
    }
}

module.exports = router => {
    router.enter(['pool', 'create'], (ctx, next) => {
        ctx.controller = new PoolCreateController(ctx, 'create');
    });
};