package steam

import (
	"fmt"
	"net/http"
	"strconv"
)

// ExtractHTTP is a wrapper around Extract that handles an HTTP endpoint.
// this spawns an "extractHTTP" on the library. Status will be updated there
// as this goes along. Non fatal and fatal errors will be populated there
func (l *Library) ExtractHTTP(url string) (*Game, error) {
	g := &Game{}
	j := newJob("extractHTTP", g)
	defer j.done()

	l.status.addJob(j)

	resp, err := http.Get(url)
	if err != nil {
		j.addError(err)
		return g, err
	}

	estSize, err := strconv.ParseInt(resp.Header.Get("Estimated-size"), 10, 64)
	if err != nil {
		j.addError(err)
		return g, fmt.Errorf("Failed to convert estimated size header: %w", err)
	}

	j.setSize(estSize)

	return l.extractUpdate(j, g, resp.Body)
}