/**
 * ESLint Rule: No useMutation in Client Components
 *
 * Forbids the use of useMutation from @tanstack/react-query in client components.
 * All write operations must go through Next.js Server Actions.
 */

module.exports = {
  meta: {
    type: 'problem',
    docs: {
      description: 'Forbid useMutation usage in client components',
      category: 'Architecture',
      recommended: true,
    },
    messages: {
      noUseMutation: 'useMutation from @tanstack/react-query is forbidden. Use Next.js Server Actions for all write operations. See docs/architecture/website/FORM_SUBMISSION.md',
    },
    schema: [],
  },

  create(context) {
    return {
      ImportDeclaration(node) {
        if (node.source.value === '@tanstack/react-query') {
          const useMutationSpecifier = node.specifiers.find(
            (specifier) => 
              specifier.type === 'ImportSpecifier' && 
              specifier.imported.name === 'useMutation'
          );

          if (useMutationSpecifier) {
            context.report({
              node: useMutationSpecifier,
              messageId: 'noUseMutation',
            });
          }
        }
      },
      CallExpression(node) {
        if (node.callee.type === 'Identifier' && node.callee.name === 'useMutation') {
          context.report({
            node,
            messageId: 'noUseMutation',
          });
        }
      },
    };
  },
};