package output

import (
	"context"
	"fmt"
	"os"

	"github.com/michimani/gotwi"
	"github.com/michimani/gotwi/tweet/managetweet"
	"github.com/michimani/gotwi/tweet/managetweet/types"
)

type twitteroutput struct {
	accessToken  string
	accessSecret string
	client       *gotwi.Client
}

func TwitterOutput(accessToken string, accessSecret string) *twitteroutput {
	twitteroutput := &twitteroutput{
		accessToken:  accessToken,
		accessSecret: accessSecret,
	}
	errOAuth := twitteroutput.newOAuth1Client(accessToken, accessSecret)
	if errOAuth != nil {
		fmt.Fprintln(os.Stderr, errOAuth)
		os.Exit(1)
	}
	return twitteroutput
}

func (to *twitteroutput) newOAuth1Client(accessToken, accessSecret string) error {
	in := &gotwi.NewClientInput{
		AuthenticationMethod: gotwi.AuthenMethodOAuth1UserContext,
		OAuthToken:           accessToken,
		OAuthTokenSecret:     accessSecret,
	}

	client, err := gotwi.NewClient(in)
	to.client = client
	return err
}

func (to *twitteroutput) Write(str string) error {
	p := &types.CreateInput{
		Text: gotwi.String(str),
	}

	_, err := managetweet.Create(context.Background(), to.client, p)
	return err
}