// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package repo

import (
	"testing"

	"code.gitea.io/gitea/models/db"
	"code.gitea.io/gitea/models/unittest"

	"github.com/stretchr/testify/assert"
)

func TestAddTopic(t *testing.T) {
	totalNrOfTopics := 6
	repo1NrOfTopics := 3

	assert.NoError(t, unittest.PrepareTestDatabase())

	topics, _, err := FindTopics(&FindTopicOptions{})
	assert.NoError(t, err)
	assert.Len(t, topics, totalNrOfTopics)

	topics, total, err := FindTopics(&FindTopicOptions{
		ListOptions: db.ListOptions{Page: 1, PageSize: 2},
	})
	assert.NoError(t, err)
	assert.Len(t, topics, 2)
	assert.EqualValues(t, 6, total)

	topics, _, err = FindTopics(&FindTopicOptions{
		RepoID: 1,
	})
	assert.NoError(t, err)
	assert.Len(t, topics, repo1NrOfTopics)

	assert.NoError(t, SaveTopics(2, "golang"))
	repo2NrOfTopics := 1
	topics, _, err = FindTopics(&FindTopicOptions{})
	assert.NoError(t, err)
	assert.Len(t, topics, totalNrOfTopics)

	topics, _, err = FindTopics(&FindTopicOptions{
		RepoID: 2,
	})
	assert.NoError(t, err)
	assert.Len(t, topics, repo2NrOfTopics)

	assert.NoError(t, SaveTopics(2, "golang", "gitea"))
	repo2NrOfTopics = 2
	totalNrOfTopics++
	topic, err := GetTopicByName("gitea")
	assert.NoError(t, err)
	assert.EqualValues(t, 1, topic.RepoCount)

	topics, _, err = FindTopics(&FindTopicOptions{})
	assert.NoError(t, err)
	assert.Len(t, topics, totalNrOfTopics)

	topics, _, err = FindTopics(&FindTopicOptions{
		RepoID: 2,
	})
	assert.NoError(t, err)
	assert.Len(t, topics, repo2NrOfTopics)
}

func TestTopicValidator(t *testing.T) {
	assert.True(t, ValidateTopic("12345"))
	assert.True(t, ValidateTopic("2-test"))
	assert.True(t, ValidateTopic("test-3"))
	assert.True(t, ValidateTopic("first"))
	assert.True(t, ValidateTopic("second-test-topic"))
	assert.True(t, ValidateTopic("third-project-topic-with-max-length"))

	assert.False(t, ValidateTopic("$fourth-test,topic"))
	assert.False(t, ValidateTopic("-fifth-test-topic"))
	assert.False(t, ValidateTopic("sixth-go-project-topic-with-excess-length"))
}
