package main

import (
	"flag"
	"log"
	"net/url"
	"strings"

	"git.fromouter.space/crunchy-rocks/clessy-ng/modules"
	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/macro"
	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/metafora"
	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/proverbio"
	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/remind"
	"git.fromouter.space/crunchy-rocks/clessy-ng/utils"

	"git.fromouter.space/hamcha/tg"
	"github.com/cockroachdb/pebble"
)

var mods = map[string]modules.Module{
	"metafora":  &metafora.Module{},
	"proverbio": &proverbio.Module{},
	"macro":     &macro.Module{},
	"remind":    &remind.Module{},
}

func checkErr(err error, message string, args ...interface{}) {
	if err != nil {
		args = append(args, err)
		log.Fatalf("FATAL: "+message+":\n\t%s", args...)
	}
}

func main() {
	disable := flag.String("disable", "", "Blacklist mods (separated by comma)")
	enable := flag.String("enable", "", "Whitelist mods (separated by comma)")
	flag.Parse()

	api := tg.MakeAPIClient(utils.RequireEnv("CLESSY_TOKEN"))
	name, err := api.GetMe()
	checkErr(err, "could not retrieve bot info")

	// Initialize your database
	db, err := pebble.Open(utils.RequireEnv("CLESSY_DB_DIR"), &pebble.Options{})
	checkErr(err, "could not open database")
	defer db.Close()

	toActivate := make(map[string]modules.Module)
	if *disable != "" {
		for _, modname := range strings.Split(*disable, ",") {
			modname = strings.TrimSpace(modname)
			delete(mods, modname)
		}
		toActivate = mods
	} else if *enable != "" {
		for _, modname := range strings.Split(*enable, ",") {
			toActivate[modname] = mods[modname]
		}
	} else {
		toActivate = mods
	}

	for modname, mod := range toActivate {
		log.Printf("Initializing %s", modname)
		err := mod.Initialize(modules.ModuleOptions{
			API:  api,
			Name: name.Username,
			KV:   db,
		})
		checkErr(err, "Starting module %s failed with error", modname)
	}

	webhook := utils.RequireEnv("CLESSY_WEBHOOK")
	uri, err := url.Parse(webhook)
	checkErr(err, "Specified webhook is not a valid URL")

	api.SetWebhook(webhook)
	log.Fatal(api.HandleWebhook(utils.EnvFallback("CLESSY_BIND", ":8080"), uri.Path, func(update tg.APIUpdate) {
		for _, mod := range toActivate {
			mod.OnUpdate(update)
		}
	}))
}