import { isObj } from '../common/utils';
const defaultOptions = {
    type: 'text',
    mask: false,
    message: '',
    show: true,
    zIndex: 1000,
    duration: 3000,
    position: 'middle',
    forbidClick: false,
    loadingType: 'circular',
    selector: '#van-toast'
};
let queue = [];
let currentOptions = Object.assign({}, defaultOptions);
function parseOptions(message) {
    return isObj(message) ? message : { message };
}
function getContext() {
    const pages = getCurrentPages();
    return pages[pages.length - 1];
}
const Toast = (options = {}) => {
    options = Object.assign({}, currentOptions, parseOptions(options));
    const context = options.context || getContext();
    const toast = context.selectComponent(options.selector);
    if (!toast) {
        console.warn('未找到 van-toast 节点，请确认 selector 及 context 是否正确');
        return;
    }
    delete options.context;
    delete options.selector;
    queue.push(toast);
    toast.set(options);
    clearTimeout(toast.timer);
    if (options.duration > 0) {
        toast.timer = setTimeout(() => {
            toast.clear();
            queue = queue.filter(item => item !== toast);
        }, options.duration);
    }
    return toast;
};
const createMethod = type => options => Toast(Object.assign({ type }, parseOptions(options)));
['loading', 'success', 'fail'].forEach(method => {
    Toast[method] = createMethod(method);
});
Toast.clear = () => {
    queue.forEach(toast => {
        toast.clear();
    });
    queue = [];
};
Toast.setDefaultOptions = options => {
    Object.assign(currentOptions, options);
};
Toast.resetDefaultOptions = () => {
    currentOptions = Object.assign({}, defaultOptions);
};
export default Toast;