import rules from './rules';

/**
 * 表单验证
 *
 * @param  {Object} fmData [表单数据]
 * @param  {Object} opts   [参数]
 * @return {Object}        [descrsiption]
 */
export default function(fmData, opts){
	let res = {
		valid: true,
		error: '',
		errors: [],
		fields: {}
	};
	Object.keys(opts).forEach(key => {
		
		let value = fmData[key],
			item = opts[key],
			resItem = {
				valid: true,
				error: '',
				errors: []
			};

		item.forEach(ruleItem => {
			let {rule, message, param} = ruleItem;
			if (rules[rule]) {
				if (!rules[rule].check(value, param)) {
					message = message
						? message
						: rules[rule].message;
					if (res.valid) {
						res.valid = false;
						res.error = message;
					}
					if (resItem.valid) {
						resItem.valid = false;
						resItem.error = message;
					}
					resItem.errors.push(message);
					res.errors.push(message);
				}
			}
		});
		res.fields[key] = resItem;
	});

	return res;
}