package api

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

	"github.com/mmcdole/gofeed"
)

func FetchPlain(url string) string {
	response, err := http.Get(url)
	if err != nil {
		log.Fatal(err)
	}
	defer response.Body.Close()

	body, err := io.ReadAll(response.Body)
	if err != nil {
		log.Fatal(err)
	}
	return string(body)
}

func FetchJSON[T any](url string) (T, error) {
	var result T

	resp, err := http.Get(url)
	if err != nil {
		return result, err
	}
	defer resp.Body.Close()

	if resp.StatusCode != http.StatusOK {
		return result, fmt.Errorf("unexpected status: %s", resp.Status)
	}

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		return result, err
	}

	err = json.Unmarshal(body, &result)
	if err != nil {
		return result, err
	}

	return result, nil
}

func FetchRSS(url string) (ret []gofeed.Item, err error) {
	fp := gofeed.NewParser()
	feed, err := fp.ParseURL(url)

	for _, v := range feed.Items {
		ret = append(ret, *v)
	}
	return
}