package plugins

import (
	"regexp"
	"testing"

	"github.com/osteele/gojekyll/config"
	"github.com/osteele/gojekyll/pages"
	"github.com/osteele/liquid"
	"github.com/stretchr/testify/require"
)

type siteFake struct {
	c config.Config
	e *liquid.Engine
}

func (s siteFake) AddDocument(pages.Document, bool) {}
func (s siteFake) Config() *config.Config           { return &s.c }
func (s siteFake) HasLayout(string) bool            { return true }
func (s siteFake) Pages() []pages.Page              { return nil }
func (s siteFake) Posts() []pages.Page              { return nil }
func (s siteFake) TemplateEngine() *liquid.Engine   { return s.e }

func TestAvatarTag(t *testing.T) {
	engine := liquid.NewEngine()
	plugins := []string{"jekyll-avatar"}
	_ = Install(plugins, siteFake{config.Default(), engine})
	require.NoError(t, directory[plugins[0]].ConfigureTemplateEngine(engine))
	bindings := liquid.Bindings{"user": "osteele"}

	s, err := engine.ParseAndRenderString(`{% avatar osteele %}`, bindings)
	require.NoError(t, err)
	re := regexp.MustCompile(`<img class="avatar.*avatar.*usercontent\.com/osteele\b`)
	require.True(t, re.MatchString(s))

	s, err = engine.ParseAndRenderString(`{% avatar user='osteele' %}`, bindings)
	require.NoError(t, err)
	require.True(t, re.MatchString(s))

	s, err = engine.ParseAndRenderString(`{% avatar user=user %}`, bindings)
	require.NoError(t, err)
	require.True(t, re.MatchString(s))

	s, err = engine.ParseAndRenderString(`{% avatar user=user size=20 %}`, bindings)
	require.NoError(t, err)
	require.Contains(t, s, "20")
}