package main

import (
	"fmt"
	"log"
	"strings"

	"maunium.net/go/mautrix"
	"maunium.net/go/mautrix/id"
)

func newMatrixClient(config *botConfig) *mautrix.Client {
	fmt.Println("Logging into", config.Homeserver, "as", config.Username)
	var client *mautrix.Client
	var err error
	//make sure username is lower case otherwise token login breaks
	uname := strings.ToLower(config.Username)
	if config.Token == "" {
		client, err = mautrix.NewClient(config.Homeserver, "", "")
		if err != nil {
			panic(err)
		}
	} else {
		log.Println("using token login")
		client, err = mautrix.NewClient(config.Homeserver, id.NewUserID(uname, config.Domain), config.Token)
		if err != nil {
			panic(err)
		}
	}
	client.Store = NewLazyMemStore(config.Statefile)
	if config.Token == "" {
		loginRes, err := client.Login(&mautrix.ReqLogin{
			Type:             "m.login.password",
			Identifier:       mautrix.UserIdentifier{Type: mautrix.IdentifierTypeUser, User: uname},
			Password:         config.Password,
			StoreCredentials: true,
		})
		if err != nil {
			panic(err)
		}
		config.Token = loginRes.AccessToken
		log.Println("Login succesful, saving access_token to config file")
		writeConfig(config)
	} else {
		log.Println("skipping login since token provided")
	}
	return client
}