const fs = require('fs');
const path = require('path');
const compiler = require('vue/compiler-sfc');
const babel = require('@babel/parser');
const traverse = require('@babel/traverse').default;

function walk(dir) {
    let results = [];
    const list = fs.readdirSync(dir);
    list.forEach(function(file) {
        file = dir + '/' + file;
        const stat = fs.statSync(file);
        if (stat && stat.isDirectory()) { 
            results = results.concat(walk(file));
        } else { 
            if (file.endsWith('.vue')) results.push(file);
        }
    });
    return results;
}

const vueFiles = walk('docs/.vitepress/theme/components');

vueFiles.forEach(file => {
    const content = fs.readFileSync(file, 'utf8');
    if (!content.includes('setInterval')) return;
    const { descriptor } = compiler.parse(content);
    if (!descriptor.scriptSetup) return;
    
    const ast = babel.parse(descriptor.scriptSetup.content, {
        sourceType: 'module',
        plugins: ['typescript']
    });

    traverse(ast, {
        CallExpression(path) {
            if (path.node.callee.name === 'setInterval') {
                // check if we are inside a function declaration or arrow function or onMounted check
                let parent = path.parentPath;
                let insideFunction = false;
                while (parent) {
                    if (
                        parent.isFunctionDeclaration() || 
                        parent.isArrowFunctionExpression() || 
                        parent.isFunctionExpression() ||
                        parent.isObjectMethod()
                    ) {
                        insideFunction = true;
                        break;
                    }
                    parent = parent.parentPath;
                }
                if (!insideFunction) {
                    console.log(`Top-level setInterval found in ${file} at line ${path.node.loc.start.line}`);
                }
            }
        }
    });
});