package main

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
)

var httpCache = map[string]string{}

func httpGet(u string) (string, error) {
	resp, err := http.Get(u)
	if err != nil {
		return "", err
	}
	if resp.StatusCode != http.StatusOK {
		return "", fmt.Errorf("unexpected HTTP status: %v", resp.Status)
	}
	bs, err := io.ReadAll(resp.Body)
	if err != nil {
		return "", err
	}
	httpCache[u] = string(bs)
	return httpCache[u], nil
}

func httpGetJSON(u string, out any) error {
	str, err := httpGet(u)
	if err != nil {
		return err
	}
	return json.Unmarshal([]byte(str), out)
}