// @ts-nocheck

import type { Node } from 'estree';
import { Parser } from '../index.js';
import { Script } from '../../interfaces.js';

const script_closing_tag = '</script>';

function get_context(parser: Parser, attributes: any[], start: number): 'runtime' | 'setup' {
	const context = attributes.find((attribute) => attribute.name === 'astro');
	if (!context) return 'runtime';
	if (context.value === true) return 'setup';

	if (context.value.length !== 1 || context.value[0].type !== 'Text') {
		parser.error(
			{
				code: 'invalid-script',
				message: 'astro attribute must be static',
			},
			start
		);
	}

	const value = context.value[0].data;

	if (value !== 'setup') {
		parser.error(
			{
				code: 'invalid-script',
				message: 'If the "astro" attribute has a value, its value must be "setup"',
			},
			context.start
		);
	}

	return value;
}

export default function read_script(parser: Parser, start: number, attributes: Node[]): Script {
	const script_start = parser.index;
	const script_end = parser.template.indexOf(script_closing_tag, script_start);

	if (script_end === -1) {
		parser.error({
			code: 'unclosed-script',
			message: '<script> must have a closing tag',
		});
	}

	const source = parser.template.slice(0, script_start).replace(/[^\n]/g, ' ') + parser.template.slice(script_start, script_end);
	parser.index = script_end + script_closing_tag.length;

	return {
		type: 'Script',
		start,
		end: parser.index,
		context: get_context(parser, attributes, start),
		content: source,
	};
}