package main

import (
	"context"
	"fmt"
	"io"
	"net/http"

	"golang.org/x/time/rate"
)

var LIMITER = rate.NewLimiter(rate.Limit(8), 16)

func Fetch(url string) (string, error) {
	err := LIMITER.Wait(context.Background())
	if err != nil {
		return "", fmt.Errorf("Error waiting for rate limiter: %v", err)
	}

	res, err := http.Get(url)
	if err != nil {
		return "", fmt.Errorf("Error fetching %s: %v", url, err)
	}
	defer res.Body.Close()

	if res.StatusCode != http.StatusOK {
		return "", fmt.Errorf("Error fetching %s, returned code %d: %v", url, res.StatusCode, err)
	}

	body, err := io.ReadAll(res.Body)
	if err != nil {
		return "", fmt.Errorf("Error reading body of %s: %v", url, err)
	}

	return string(body), nil
}

func FetchDocs(url string) (string, error) {
	return "", nil
}