import { type Parser, type ParserOptions, resolveConfigFile } from "prettier";
import type { FormatterOption } from "blade-formatter";
import { Formatter } from "blade-formatter";
import path from "node:path";
import { parsePhpVersion } from "./options";

/**
 * Parses the given Blade template text using the provided options and returns the formatted result.
 * @param text The Blade template text to parse and format.
 * @param parsers An object containing parsers to use for parsing the template.
 * @param opts The options to use for formatting the template.
 * @returns An object containing the formatted result, along with metadata about the original text.
 */
export const parse = async (
	text: string,
	parsers: { [parserName: string]: Parser },
	opts: ParserOptions & FormatterOption,
) => {
	const phpVersion = parsePhpVersion(opts.phpVersion);

	const formatterOptions: FormatterOption = {
		indentSize: opts.tabWidth,
		wrapLineLength: opts.printWidth,
		wrapAttributes: opts.singleAttributePerLine
			? "force-expand-multiline"
			: opts.bracketSameLine
				? "force-aligned"
				: opts.wrapAttributes,
		wrapAttributesMinAttrs: opts.wrapAttributesMinAttrs,
		endWithNewline: opts.endWithNewline,
		useTabs: opts.useTabs,
		sortTailwindcssClasses: opts.sortTailwindcssClasses,
		tailwindcssConfigPath: await resolveTailwindConfigPath(
			opts.filepath,
			opts.tailwindcssConfigPath,
		),
		sortHtmlAttributes: opts.sortHtmlAttributes,
		noMultipleEmptyLines: true,
		noPhpSyntaxCheck: opts.noPhpSyntaxCheck,
		noSingleQuote: !opts.singleQuote,
		noTrailingCommaPhp: phpVersion < 7.2 || !opts.trailingCommaPHP,
		customHtmlAttributesOrder: opts.customHtmlAttributesOrder,
		indentInnerHtml: opts.indentInnerHtml,
		componentPrefix: opts.componentPrefix?.split(","),
		// @ts-ignore
		extraLiners: opts.extraLiners.split(","),
		phpVersion: opts.phpVersion || "auto",
	};

	const result = await new Formatter(formatterOptions).formatContent(text);

	return {
		type: "blade-formatter",
		body: result,
		end: text.length,
		source: text,
		start: 0,
	};
};

/**
 * Resolves the path to the Tailwind CSS configuration file, if one is specified.
 * @param filepath The path to the Blade template file being formatted.
 * @param optionPath The path to the Tailwind CSS configuration file, as specified in the formatting options.
 * @returns The resolved path to the Tailwind CSS configuration file, or undefined if no path was specified.
 */
async function resolveTailwindConfigPath(
	filepath: string | undefined,
	optionPath: string | undefined,
): Promise<string | undefined> {
	if (!optionPath) {
		return;
	}

	if (path.isAbsolute(optionPath ?? "")) {
		return optionPath;
	}

	const prettierRcPath = await resolveConfigFile(filepath);

	return path.resolve(path.dirname(prettierRcPath ?? ""), optionPath ?? "");
}