package lib

import (
	"fmt"
	"log"
	"os"
	"strconv"
	"strings"
	"time"

	"github.com/joho/godotenv"
)

type Fetcher interface {
	Fetch() string
}

func Runner() {
	if err := godotenv.Load(); err != nil {
		log.Println("Warning: .env file not found, using environment variables")
	}

	intervalMinutes, err := strconv.Atoi(os.Getenv("INTERVAL_MINUTES"))
	if err != nil {
		intervalMinutes = 5
	}

	config := Config{
		WikiBaseURL:    os.Getenv("WIKI_BASE_URL"),
		WikiToken:      os.Getenv("WIKI_TOKEN"),
		RedmineBaseURL: os.Getenv("REDMINE_BASE_URL"),
		RedmineKey:     os.Getenv("REDMINE_KEY"),
		GiteaToken:     os.Getenv("GITEA_TOKEN"),
		GiteaBaseURL:   os.Getenv("GITEA_BASE_URL"),
		GiteaRepos:     strings.Split(os.Getenv("GITEA_REPOS"), ","),
		Webhook:        os.Getenv("DISCORD_WEBHOOK"),
		Interval:       time.Duration(intervalMinutes) * time.Minute,
	}

	cache := Cache{}
	cache.Load()
	discord := DiscordSender{Config: config}

	var fetchers []Fetcher
	for _, repo := range config.GiteaRepos {
		if repo == "" {
			continue
		}
		giteaURL := fmt.Sprintf("%s/api/v1/repos/%s/commits", config.GiteaBaseURL, strings.TrimSpace(repo))
		fetchers = append(fetchers, &GiteaFetcher{URL: giteaURL, Token: config.GiteaToken, Cache: &cache})
	}

	fetchers = append(fetchers, &WikiFetcher{Config: config, Cache: &cache})
	fetchers = append(fetchers, &RedmineFetcher{Config: config, Cache: &cache})

	for {
		fmt.Println("Update")

		for _, f := range fetchers {
			if msg := f.Fetch(); msg != "" {
				discord.Send(msg)
			}
		}

		cache.Save()

		time.Sleep(config.Interval)
	}
}