"use strict";

/**
 * Entrypoint copied into `/dist/index.js` during build.
 */

const fs = require("fs");
const path = require("path");

const RULES_DIST_DIR = path.resolve(__dirname, "lib", "rules"); // /dist/lib/rules

const CONFIG_BASE_PROPERTIES = {
	env: { es2021: true },
	parserOptions: {
		ecmaVersion: "latest",
		sourceType: "module",
	},
	plugins: ["n8n-nodes-base"],
};

const DEFAULT_SEVERITY = "error";

const getRuleModule = (rulename) =>
	require(path.resolve(RULES_DIST_DIR, rulename)).default;

const ALL_RULE_NAMES = fs
	.readdirSync(RULES_DIST_DIR)
	.filter((fileName) => fileName.endsWith(".js"))
	.map((filename) => filename.replace(/\.js$/, ""));

/**
 * All rules exported by this plugin.
 *
 * ```js
 * 'node-class-description-credentials-name-unsuffixed': {
 *   meta: { ... },
 *   create: { ... }
 * },
 * 'node-class-description-display-name-unsuffixed-trigger-node': {
 *   meta: { ... },
 *   create: { ... }
 * },
 * // etc
 * ```
 */
const allRuleModules = ALL_RULE_NAMES.reduce((acc, rulename) => {
	return {
		...acc,
		[rulename]: getRuleModule(rulename),
	};
}, {});

/**
 * Configs exported by this plugin.
 *
 * ```js
 * {
 *   "all": {
 *     env: { es2021: true },
 *     parserOptions: { ecmaVersion: 'latest', sourceType: 'module' },
 *     plugins: [ 'n8n-nodes-base' ],
 *     rules: {
 *       'n8n-nodes-base/cred-class-field-display-name-miscased': 'error',
 *       // etc
 *     }
 *  },
 *   "community": { ... },
 *   "credentials": { ... },
 *   "nodes": { ... },
 *   "community": { ... },
 * }
 * ```
 */
const configs = ALL_RULE_NAMES.reduce(
	(acc, rulename) => {
		const fullRulename = `n8n-nodes-base/${rulename}`;

		acc["all"].rules[fullRulename] = DEFAULT_SEVERITY;

		if (rulename.startsWith("community-package-json-")) {
			acc["community"].rules[fullRulename] = DEFAULT_SEVERITY;
		} else if (rulename.startsWith("cred-")) {
			acc["credentials"].rules[fullRulename] = DEFAULT_SEVERITY;
		} else if (rulename.startsWith("node-")) {
			acc["nodes"].rules[fullRulename] = DEFAULT_SEVERITY;
		}

		return acc;
	},
	{
		all: { ...CONFIG_BASE_PROPERTIES, rules: {} }, // @TODO: Remove
		community: { ...CONFIG_BASE_PROPERTIES, rules: {} },
		credentials: { ...CONFIG_BASE_PROPERTIES, rules: {} },
		nodes: { ...CONFIG_BASE_PROPERTIES, rules: {} },
	}
);

module.exports = {
	rules: allRuleModules,
	configs,
};