package lib

import (
	"fmt"
	"net/http"
	"net/url"
	"strings"
)

type GiteaFetcher struct {
	BaseURL string
	Token   string
	Repos   []string
	Cache   *Cache
}

func (f GiteaFetcher) Fetch() []string {
	var messages []string

	for _, repo := range f.Repos {
		if repo == "" {
			continue
		}
		giteaURL := fmt.Sprintf("%s/api/v1/repos/%s/commits", f.BaseURL, strings.TrimSpace(repo))
		req, _ := http.NewRequest("GET", giteaURL, nil)
		if f.Token != "" {
			req.Header.Set("Authorization", "token "+f.Token)
		}

		var r []struct {
			Sha    string `json:"sha"`
			Commit struct {
				Message string `json:"message"`
			} `json:"commit"`
			HTMLURL string `json:"html_url"`
		}
		if err := getJSON(req, &r); err != nil {
			continue
		}

		if len(r) == 0 {
			continue
		}
		c := r[0]

		if f.Cache.TryUpdate("gitea_"+url.QueryEscape(giteaURL), c.Sha) {
			messages = append(messages, fmt.Sprintf("Gitea: %s <%s>", c.Commit.Message, c.HTMLURL))
		}
	}
	return messages
}