import { parseManifestUseCases } from "./_manifest-ast.js";
import { manifestPathForFeature } from "./_manifest-source.js";
import { repoRootSchema } from "./_rule-schema.js";
import { resolveRuleContext } from "./_rule-context.js";

/** @type {import("eslint").Rule.RuleModule} */
export default {
  meta: {
    type: "problem",
    docs: {
      description:
        'auditLog.record({ type: "X" }) inside a use-case factory must declare X in manifest.useCases[name].audits.',
    },
    schema: repoRootSchema,
    messages: {
      undeclared:
        '{{useCase}} calls auditLog.record with type "{{event}}" but {{event}} is not declared in manifest.useCases.{{useCase}}.audits. Add it to the manifest or remove the call.',
    },
  },
  create(context) {
    const rc = resolveRuleContext(context);
    if (!rc) return {};
    const { useCaseName, featureRoot } = rc;
    const manifest = parseManifestUseCases(manifestPathForFeature(featureRoot));
    if (!manifest || !manifest[useCaseName]) return {};
    const declared = new Set(manifest[useCaseName].audits);
    return {
      CallExpression(node) {
        if (
          node.callee.type === "MemberExpression" &&
          node.callee.object.type === "Identifier" &&
          node.callee.object.name === "auditLog" &&
          node.callee.property.type === "Identifier" &&
          node.callee.property.name === "record" &&
          node.arguments.length > 0 &&
          node.arguments[0].type === "ObjectExpression"
        ) {
          const typeProp = node.arguments[0].properties.find(
            (p) =>
              p.type === "Property" &&
              p.key.type === "Identifier" &&
              p.key.name === "type",
          );
          if (
            typeProp &&
            typeProp.value.type === "Literal" &&
            typeof typeProp.value.value === "string"
          ) {
            const event = typeProp.value.value;
            if (!declared.has(event)) {
              context.report({
                node,
                messageId: "undeclared",
                data: { event, useCase: useCaseName },
              });
            }
          }
        }
      },
    };
  },
};
