import { type Rule } from "eslint";

export default {
  meta: {
    deprecated: true,
    fixable: "whitespace",
  },

  create(context) {
    return {
      ImportDeclaration(node) {
        const { specifiers } = node;
        if (specifiers.length < 2) {
          return;
        }

        let previousImport = specifiers[0];
        for (let i = 1; i < specifiers.length; ++i) {
          const currentImport = specifiers[i];

          const isError =
            previousImport.type !== "ImportDefaultSpecifier" &&
            currentImport.loc!.start.line === previousImport.loc!.end.line;

          if (isError) {
            context.report({
              node: currentImport,
              message: "Import members must be on separate lines",
              fix(fixer) {
                return fixer.insertTextBefore(currentImport, "\n");
              },
            });
          }

          previousImport = currentImport;
        }
      },
    };
  },
} as Rule.RuleModule;