package main

import (
	"os/user"
	"runtime"
	"strconv"
	"text/template"

	"git.milar.in/nyaanime/logic"

	"git.milar.in/milarin/envvars/v2"
)

var (
	DownloadPath           = envvars.String("DOWNLOAD_PATH", "")
	ThreadCount            = envvars.Int("THREADS", runtime.NumCPU())
	DeleteLowPriorityFiles = envvars.Bool("DELETE_LOW_PRIORITY_FILES", false)

	TelegramBotToken                     = envvars.String("TELEGRAM_API_TOKEN", "")
	TelegramChatID                       = envvars.Int64("TELEGRAM_CHAT_ID", 0)
	TelegramOrganizeMessagePatternStr    = logic.EscSeqReplacer.Replace(envvars.String("TELEGRAM_ORGANIZE_MESSAGE_PATTERN", `<u><b>Recently Downloaded Animes ({{len .}} eps)</b></u>{{range .}}\n{{.Anime.Title.UserPreferred}} Episode {{.Episode}}{{end}}`))
	TelegramOrganizeMessagePattern       = template.Must(template.New("TELEGRAM_ORGANIZE_MESSAGE_PATTERN").Parse(TelegramOrganizeMessagePatternStr))
	TelegramOrganizeMessageSendCondition = envvars.ObjectSlice("TELEGRAM_ORGANIZE_MESSAGE_SEND_CONDITION", ",", []SendCondition{SendConditionAlways}, SendConditionFromString)
	TelegramOrganizeMessageSendInterval  = envvars.Duration("TELEGRAM_ORGANIZE_MESSAGE_SEND_INTERVAL", 0)
	TelegramOrganizeMessageSendOffset    = envvars.Duration("TELEGRAM_ORGANIZE_MESSAGE_SEND_OFFSET", 0)

	Uid = envvars.Object("UID", 1000, func(s string) (int, error) {
		if uid, err := strconv.Atoi(s); err == nil {
			return uid, nil
		}

		usr, err := user.Lookup(s)
		if err != nil {
			return 0, err
		}

		return strconv.Atoi(usr.Uid)
	})

	Gid = envvars.Object("GID", 1000, func(s string) (int, error) {
		if gid, err := strconv.Atoi(s); err == nil {
			return gid, nil
		}

		grp, err := user.LookupGroup(s)
		if err != nil {
			return 0, err
		}

		return strconv.Atoi(grp.Gid)
	})
)