import {lintProject} from "./linter/linter.js";
import type {LintResult} from "./linter/LinterContext.js";
import SharedLanguageService from "./linter/ui5Types/SharedLanguageService.js";

export type {LintResult};

// Define a separate interface for the Node API as there could be some differences
// in the options and behavior compared to LinterOptions internal type.
export interface UI5LinterOptions {
	/**
	 * List of patterns to lint.
	 */
	filePatterns?: string[];
	/**
	 * Pattern/files that will be ignored during linting.
	 */
	ignorePatterns?: string[];
	/**
	 * Provides complementary information for each finding, if available
	 * @default false
	 */
	details?: boolean;
	/**
	 * Automatically fix linter findings
	 * @default false
	 */
	fix?: boolean;
	/**
	 * Path to a ui5lint.config.(cjs|mjs|js) file
	 */
	config?: string;
	/**
	 * Whether to skip loading of the ui5lint.config.(cjs|mjs|js) config file
	 * @default false
	 */
	noConfig?: boolean;
	/**
	 * Whether to provide a coverage report
	 * @default false
	 */
	coverage?: boolean;
	/**
	 * Path to a ui5.yaml file or an object representation of ui5.yaml
	 * @default "./ui5.yaml" (if that file exists)
	 */
	ui5Config?: string | object;
	/**
	 * Root directory of the project
	 * @default process.cwd()
	 */
	rootDir?: string;
}

export async function ui5lint(options?: UI5LinterOptions): Promise<LintResult[]> {
	return new UI5LinterEngine().lint(options);
}

export class UI5LinterEngine {
	private sharedLanguageService = new SharedLanguageService();
	private lintingInProgress = false;

	async lint(options?: UI5LinterOptions): Promise<LintResult[]> {
		if (this.lintingInProgress) {
			throw new Error("Linting is already in progress");
		}
		this.lintingInProgress = true;

		const {
			filePatterns,
			ignorePatterns = [],
			details = false,
			fix = false,
			config,
			noConfig,
			coverage = false,
			ui5Config,
			rootDir = process.cwd(),
		} = options ?? {};

		try {
			return await lintProject({
				rootDir,
				filePatterns,
				ignorePatterns,
				coverage,
				details,
				fix,
				configPath: config,
				noConfig,
				ui5Config,
			}, this.sharedLanguageService);
		} finally {
			// Ensure that the flag is reset even if an error occurs
			this.lintingInProgress = false;
		}
	}
}