package goals

import (
	"github.com/velour/catbase/bot/msg"
	"github.com/velour/catbase/bot/user"
	"github.com/velour/catbase/plugins/cli"
	"regexp"
	"strings"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"

	"github.com/velour/catbase/bot"
	"github.com/velour/catbase/plugins/counter"
)

func setup(t *testing.T) (*bot.MockBot, *GoalsPlugin, func()) {
	mb := bot.NewMockBot()
	c := New(mb)
	return mb, c, func() {
		if err := mb.TearDown(); err != nil {
			panic(err)
		}
	}
}

func makeMessage(payload string, r *regexp.Regexp) bot.Request {
	isCmd := strings.HasPrefix(payload, "!")
	if isCmd {
		payload = payload[1:]
	}
	values := bot.ParseValues(r, payload)
	return bot.Request{
		Conn: &cli.CliPlugin{},
		Msg: msg.Message{
			User:    &user.User{Name: "tester", ID: "id"},
			Body:    payload,
			Command: isCmd,
		},
		Values: values,
	}
}

func sendMessage(gp *GoalsPlugin, message string) {
	for _, h := range gp.handlers {
		r := makeMessage(message, h.Regex)
		if h.Regex.MatchString(message) {
			h.Handler(r)
		}
	}
}

func TestRemainingSomeToGo(t *testing.T) {
	mb := bot.NewMockBot()

	i := &counter.Item{
		ID:    0,
		Nick:  "",
		Item:  "",
		Count: 190,
	}

	g := goal{
		ID:     0,
		Kind:   "",
		Who:    "",
		What:   "",
		Amount: 366,
		gp:     nil,
	}

	now = func() time.Time {
		return time.Date(2020, 07, 13, 11, 23, 00, 00, time.UTC)
	}

	p := New(mb)

	expected := 5
	actual := p.calculateRemaining(i, &g)

	assert.Equal(t, expected, actual)
}

func TestRemainingAheadOfCurve(t *testing.T) {
	mb := bot.NewMockBot()

	i := &counter.Item{
		ID:    0,
		Nick:  "",
		Item:  "",
		Count: 200,
	}

	g := goal{
		ID:     0,
		Kind:   "",
		Who:    "",
		What:   "",
		Amount: 366,
		gp:     nil,
	}

	now = func() time.Time {
		return time.Date(2020, 07, 13, 11, 23, 00, 00, time.UTC)
	}

	p := New(mb)

	expected := -5
	actual := p.calculateRemaining(i, &g)

	assert.Equal(t, expected, actual)
}

func TestRegister(t *testing.T) {
	_, gp, td := setup(t)
	defer td()

	sendMessage(gp, "register goal :tea: 5")
}