package github

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

var IssuesURL string

type IssuesSearchResult struct{}

// SearchIssues queries the GitHub issue tracker.
func SearchIssues(terms []string) (*IssuesSearchResult, error) {
	q := url.QueryEscape(strings.Join(terms, " "))
	resp, err := http.Get(IssuesURL + "?q=" + q)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	if resp.StatusCode != http.StatusOK {
		// The default HTTP client's Transport may not
		// reuse HTTP/1.x "keep-alive" TCP connections if the Body is
		// not read to completion and closed.
		io.Copy(io.Discard, resp.Body)
		return nil, fmt.Errorf("search query failed: %s", resp.Status)
	}

	var result IssuesSearchResult
	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
		return nil, err
	}

	return &result, nil
}