package integration

import (
	"io"
	"os"
	"path"
	"testing"

	"github.com/stretchr/testify/assert"

	"code.alt-gnome.ru/aides-infra/aides-repo-api/internal/models"
	"code.alt-gnome.ru/aides-infra/aides-repo-api/internal/services/reposervice"
)

func TestRepoService_ForceUpdate(t *testing.T) {
	t.Run("Correct update (new)", func(t *testing.T) {
		// PREPARE
		db := prepareDb(t)
		config := prepareConfig()

		os.MkdirAll(config.GetUploadDir(), os.ModePerm)

		taskPath := path.Join(config.GetUploadDir(), "tasks/1")

		os.MkdirAll(taskPath, os.ModePerm)
		defer os.RemoveAll(config.GetUploadDir())

		fileName := "example-foo-1.0.0-alt1.x86_64.rpm"

		source, err := os.Open(path.Join("./test_rpms", fileName))
		assert.NoError(t, err)
		destination, err := os.Create(path.Join(taskPath, fileName))
		assert.NoError(t, err)
		defer destination.Close()
		_, err = io.Copy(destination, source)
		assert.NoError(t, err)

		source.Close()
		destination.Close()

		gitRepo := &models.GitRepo{
			Name: "example-foo",
		}

		altRepo := &models.ALTRepo{
			Name: "Sisyphus",
		}

		db.Create(&models.GitRepoAltRepoTask{
			Repo:    gitRepo,
			ALTRepo: altRepo,
			CurrentTask: &models.Task{
				Status: models.StatusCompleted,
				Files: []models.RPMFile{
					{
						Filename: "---",
						Name:     "example-foo",
						Version:  "0.9.9",
						Release:  "1",
						Arch:     "x86_64",
						Epoch:    0,
					},
				},
			},
			LastTask: &models.Task{
				Status: models.StatusCompleted,
				Files: []models.RPMFile{
					{
						Filename: fileName,
						Name:     "example-foo",
						Version:  "1.0.0",
						Release:  "1",
						Arch:     "x86_64",
						Epoch:    0,
					},
				},
			},
		})

		service := reposervice.New(
			db,
			config,
		)

		// EXECUTE
		err = service.Update(false)

		// CHECK
		assert.NoError(t, err)
		// TODO: check db
		repoBasePath := path.Join(config.GetUploadDir(), "repo", "Sisyphus")
		x86_64BasePath := path.Join(repoBasePath, "x86_64", "base")
		x86_64RPMSPath := path.Join(repoBasePath, "x86_64", "RPMS.aides")
		noarchBasePath := path.Join(repoBasePath, "noarch", "base")

		expectedFiles := []string{
			path.Join(x86_64BasePath, "pkglist.aides"),
			path.Join(x86_64BasePath, "pkglist.aides.bz2"),
			path.Join(x86_64BasePath, "pkglist.aides.xz"),
			path.Join(x86_64BasePath, "release"),
			path.Join(x86_64BasePath, "release.aides"),
			path.Join(x86_64RPMSPath, fileName),
			path.Join(noarchBasePath, "pkglist.aides"),
			path.Join(noarchBasePath, "pkglist.aides.bz2"),
			path.Join(noarchBasePath, "pkglist.aides.xz"),
			path.Join(noarchBasePath, "release"),
			path.Join(noarchBasePath, "release.aides"),
		}

		for _, filePath := range expectedFiles {
			_, err := os.Stat(filePath)
			assert.NoErrorf(t, err, "Файл %s не найден", filePath)
		}

		rpmPath := path.Join(x86_64RPMSPath, fileName)
		linkDest, err := os.Readlink(rpmPath)
		assert.NoError(t, err)
		assert.Equal(t, path.Join("../../../../tasks/1", fileName), linkDest)
	})

	t.Run("Do not do anything if no updates", func(t *testing.T) {
		// PREPARE
		db := prepareDb(t)
		config := prepareConfig()

		os.MkdirAll(config.GetUploadDir(), os.ModePerm)

		taskPath := path.Join(config.GetUploadDir(), "tasks/1")

		os.MkdirAll(taskPath, os.ModePerm)
		defer os.RemoveAll(config.GetUploadDir())

		fileName := "example-foo-1.0.0-alt1.x86_64.rpm"

		source, err := os.Open(path.Join("./test_rpms", fileName))
		assert.NoError(t, err)
		destination, err := os.Create(path.Join(taskPath, fileName))
		assert.NoError(t, err)
		defer destination.Close()
		_, err = io.Copy(destination, source)
		assert.NoError(t, err)

		source.Close()
		destination.Close()

		gitRepo := &models.GitRepo{
			Name: "example-foo",
		}

		altRepo := &models.ALTRepo{
			Name: "Sisyphus",
		}

		task := &models.Task{
			Status: models.StatusCompleted,
			Files: []models.RPMFile{
				{
					Filename: "---",
					Name:     "example-foo",
					Version:  "0.9.9",
					Release:  "1",
					Arch:     "x86_64",
					Epoch:    0,
				},
			},
		}

		db.Create(&models.GitRepoAltRepoTask{
			Repo:        gitRepo,
			ALTRepo:     altRepo,
			CurrentTask: task,
			LastTask:    task,
		})

		service := reposervice.New(
			db,
			config,
		)

		// EXECUTE
		err = service.Update(false)

		// СHECK
		assert.NoError(t, err)
		repoBasePath := path.Join(config.GetUploadDir(), "repo", "Sisyphus")
		_, err = os.Stat(repoBasePath)
		assert.True(t, os.IsNotExist(err))
	})
}