package main

import (
	"encoding/json"
	"flag"
	"fmt"
	"io"
	"log"
	"net/http"
	"os"
	"time"
)

func main() {
	var (
		r = flag.String("registry", "git.usbharu.dev", "gitea registry")
		s = flag.Bool("https", true, "use https")
		o = flag.String("owner", "usbharu", "package owner")
		n = flag.String("name", "", "package name")
		t = flag.String("type", "generic", "package type")
	)

	flag.Parse()

	var protocol string
	if *s {
		protocol = "https"
	} else {
		protocol = "http"
	}

	url := protocol + "://" + *r + "/api/v1/packages/" + *o + "?type=" + *t + "&q=" + *n + "&token=" + os.Getenv("GITEA_TOKEN")

	get, err := http.Get(url)
	if err != nil {
		log.Fatal(err)
		return
	}
	if get.StatusCode != 200 {
		log.Fatalf("The Status is not 200. %d", get.StatusCode)
	}

	defer func(Body io.ReadCloser) {
		err := Body.Close()
		if err != nil {
			log.Fatal(err)
		}
	}(get.Body)

	all, err := io.ReadAll(get.Body)
	if err != nil {
		log.Fatal(err)
		return
	}

	var p []Packages
	if err := json.Unmarshal(all, &p); err != nil {
		log.Fatal("Error in json decode", err)
		return
	}

	last := time.Time{}
	var packageT Packages
	for _, packages := range p {
		if last.Before(packages.CreatedAt) {
			last = packages.CreatedAt
			packageT = packages
		}
	}

	fmt.Printf("%s://%s/api/packages/%s/%s/%s/%s", protocol, *r, *o, *t, packageT.Name, packageT.Version)
}