import * as utils from '../utils';
import * as estree from 'estree';
import * as eslint from 'eslint';

export const rule: eslint.Rule.RuleModule = {
	meta: {
		type: 'problem',
		docs: {
			url: 'https://jquery.com/upgrade-guide/3.0/#breaking-change-data-names-containing-dashes'
		}
	},
	create: (context) => {
		const excludes = utils.getExcludesFromContextOptions(context);

		return {
			MemberExpression(node: estree.MemberExpression & { parent: estree.Node }) {
				if (utils.shouldExcludeNode(node, excludes)) return;
				if (!utils.isMemberExpression(node)) return;

				const propName = utils.getAssignedLiteralValue(node.property, context);
				if (typeof propName !== 'string') return;
				if (!propName.includes('-')) return;

				const obj = utils.getAssignedNode(node.object, context);
				if (!utils.isCallExpression(obj)) return;
				if (!utils.isMemberExpression(obj.callee, 'data')) return;

				context.report({
					node,
					message: 'Internal data object properties are camelCase (no dashes) in jQuery 3.0'
				});
			}
		};
	}
};