// Copyright 2018 Drone.IO Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package datastore

import (
	"testing"

	"github.com/drone/drone/model"
	"github.com/franela/goblin"
)

func TestBuilds(t *testing.T) {
	repo := &model.Repo{
		UserID:   1,
		FullName: "bradrydzewski/drone",
		Owner:    "bradrydzewski",
		Name:     "drone",
	}

	s := newTest()
	defer s.Close()

	g := goblin.Goblin(t)
	g.Describe("Builds", func() {
		g.Before(func() {
			s.Exec("DELETE FROM repos")
			s.CreateRepo(repo)
		})
		g.After(func() {
			s.Exec("DELETE FROM repos")
		})

		// before each test be sure to purge the package
		// table data from the database.
		g.BeforeEach(func() {
			s.Exec("DELETE FROM builds")
			s.Exec("DELETE FROM procs")
		})

		g.It("Should Post a Build", func() {
			build := model.Build{
				RepoID: repo.ID,
				Status: model.StatusSuccess,
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144ac",
			}
			err := s.CreateBuild(&build)
			g.Assert(err == nil).IsTrue()
			g.Assert(build.ID != 0).IsTrue()
			g.Assert(build.Number).Equal(1)
			g.Assert(build.Commit).Equal("85f8c029b902ed9400bc600bac301a0aadb144ac")
		})

		g.It("Should Put a Build", func() {
			build := model.Build{
				RepoID: repo.ID,
				Number: 5,
				Status: model.StatusSuccess,
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144ac",
			}
			s.CreateBuild(&build)
			build.Status = model.StatusRunning
			err1 := s.UpdateBuild(&build)
			getbuild, err2 := s.GetBuild(build.ID)
			g.Assert(err1 == nil).IsTrue()
			g.Assert(err2 == nil).IsTrue()
			g.Assert(build.ID).Equal(getbuild.ID)
			g.Assert(build.RepoID).Equal(getbuild.RepoID)
			g.Assert(build.Status).Equal(getbuild.Status)
			g.Assert(build.Number).Equal(getbuild.Number)
		})

		g.It("Should Get a Build", func() {
			build := model.Build{
				RepoID: repo.ID,
				Status: model.StatusSuccess,
			}
			s.CreateBuild(&build, []*model.Proc{}...)
			getbuild, err := s.GetBuild(build.ID)
			g.Assert(err == nil).IsTrue()
			g.Assert(build.ID).Equal(getbuild.ID)
			g.Assert(build.RepoID).Equal(getbuild.RepoID)
			g.Assert(build.Status).Equal(getbuild.Status)
		})

		g.It("Should Get a Build by Number", func() {
			build1 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
			}
			build2 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
			}
			err1 := s.CreateBuild(build1, []*model.Proc{}...)
			err2 := s.CreateBuild(build2, []*model.Proc{}...)
			getbuild, err3 := s.GetBuildNumber(&model.Repo{ID: 1}, build2.Number)
			g.Assert(err1 == nil).IsTrue()
			g.Assert(err2 == nil).IsTrue()
			g.Assert(err3 == nil).IsTrue()
			g.Assert(build2.ID).Equal(getbuild.ID)
			g.Assert(build2.RepoID).Equal(getbuild.RepoID)
			g.Assert(build2.Number).Equal(getbuild.Number)
		})

		g.It("Should Get a Build by Ref", func() {
			build1 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
				Ref:    "refs/pull/5",
			}
			build2 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
				Ref:    "refs/pull/6",
			}
			err1 := s.CreateBuild(build1, []*model.Proc{}...)
			err2 := s.CreateBuild(build2, []*model.Proc{}...)
			getbuild, err3 := s.GetBuildRef(&model.Repo{ID: 1}, "refs/pull/6")
			g.Assert(err1 == nil).IsTrue()
			g.Assert(err2 == nil).IsTrue()
			g.Assert(err3 == nil).IsTrue()
			g.Assert(build2.ID).Equal(getbuild.ID)
			g.Assert(build2.RepoID).Equal(getbuild.RepoID)
			g.Assert(build2.Number).Equal(getbuild.Number)
			g.Assert(build2.Ref).Equal(getbuild.Ref)
		})

		g.It("Should Get a Build by Ref", func() {
			build1 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
				Ref:    "refs/pull/5",
			}
			build2 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
				Ref:    "refs/pull/6",
			}
			err1 := s.CreateBuild(build1, []*model.Proc{}...)
			err2 := s.CreateBuild(build2, []*model.Proc{}...)
			getbuild, err3 := s.GetBuildRef(&model.Repo{ID: 1}, "refs/pull/6")
			g.Assert(err1 == nil).IsTrue()
			g.Assert(err2 == nil).IsTrue()
			g.Assert(err3 == nil).IsTrue()
			g.Assert(build2.ID).Equal(getbuild.ID)
			g.Assert(build2.RepoID).Equal(getbuild.RepoID)
			g.Assert(build2.Number).Equal(getbuild.Number)
			g.Assert(build2.Ref).Equal(getbuild.Ref)
		})

		g.It("Should Get a Build by Commit", func() {
			build1 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
				Branch: "master",
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144ac",
			}
			build2 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusPending,
				Branch: "dev",
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144aa",
			}
			err1 := s.CreateBuild(build1, []*model.Proc{}...)
			err2 := s.CreateBuild(build2, []*model.Proc{}...)
			getbuild, err3 := s.GetBuildCommit(&model.Repo{ID: 1}, build2.Commit, build2.Branch)
			g.Assert(err1 == nil).IsTrue()
			g.Assert(err2 == nil).IsTrue()
			g.Assert(err3 == nil).IsTrue()
			g.Assert(build2.ID).Equal(getbuild.ID)
			g.Assert(build2.RepoID).Equal(getbuild.RepoID)
			g.Assert(build2.Number).Equal(getbuild.Number)
			g.Assert(build2.Commit).Equal(getbuild.Commit)
			g.Assert(build2.Branch).Equal(getbuild.Branch)
		})

		g.It("Should Get the last Build", func() {
			build1 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusFailure,
				Branch: "master",
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144ac",
				Event:  model.EventPush,
			}
			build2 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusSuccess,
				Branch: "master",
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144aa",
				Event:  model.EventPush,
			}
			err1 := s.CreateBuild(build1, []*model.Proc{}...)
			err2 := s.CreateBuild(build2, []*model.Proc{}...)
			getbuild, err3 := s.GetBuildLast(&model.Repo{ID: 1}, build2.Branch)
			g.Assert(err1 == nil).IsTrue()
			g.Assert(err2 == nil).IsTrue()
			g.Assert(err3 == nil).IsTrue()
			g.Assert(build2.ID).Equal(getbuild.ID)
			g.Assert(build2.RepoID).Equal(getbuild.RepoID)
			g.Assert(build2.Number).Equal(getbuild.Number)
			g.Assert(build2.Status).Equal(getbuild.Status)
			g.Assert(build2.Branch).Equal(getbuild.Branch)
			g.Assert(build2.Commit).Equal(getbuild.Commit)
		})

		g.It("Should Get the last Build Before Build N", func() {
			build1 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusFailure,
				Branch: "master",
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144ac",
			}
			build2 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusSuccess,
				Branch: "master",
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144aa",
			}
			build3 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusRunning,
				Branch: "master",
				Commit: "85f8c029b902ed9400bc600bac301a0aadb144aa",
			}
			err1 := s.CreateBuild(build1, []*model.Proc{}...)
			err2 := s.CreateBuild(build2, []*model.Proc{}...)
			err3 := s.CreateBuild(build3, []*model.Proc{}...)
			getbuild, err4 := s.GetBuildLastBefore(&model.Repo{ID: 1}, build3.Branch, build3.ID)
			g.Assert(err1 == nil).IsTrue()
			g.Assert(err2 == nil).IsTrue()
			g.Assert(err3 == nil).IsTrue()
			g.Assert(err4 == nil).IsTrue()
			g.Assert(build2.ID).Equal(getbuild.ID)
			g.Assert(build2.RepoID).Equal(getbuild.RepoID)
			g.Assert(build2.Number).Equal(getbuild.Number)
			g.Assert(build2.Status).Equal(getbuild.Status)
			g.Assert(build2.Branch).Equal(getbuild.Branch)
			g.Assert(build2.Commit).Equal(getbuild.Commit)
		})

		g.It("Should get recent Builds", func() {
			build1 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusFailure,
			}
			build2 := &model.Build{
				RepoID: repo.ID,
				Status: model.StatusSuccess,
			}
			s.CreateBuild(build1, []*model.Proc{}...)
			s.CreateBuild(build2, []*model.Proc{}...)
			builds, err := s.GetBuildList(&model.Repo{ID: 1}, 1)
			g.Assert(err == nil).IsTrue()
			g.Assert(len(builds)).Equal(2)
			g.Assert(builds[0].ID).Equal(build2.ID)
			g.Assert(builds[0].RepoID).Equal(build2.RepoID)
			g.Assert(builds[0].Status).Equal(build2.Status)
		})

		g.It("Should count Builds", func() {
			count, err := s.GetBuildCount()
			g.Assert(err == nil).IsTrue()
			g.Assert(count > 0).IsTrue()
		})
	})
}

func TestBuildIncrement(t *testing.T) {
	s := newTest()
	defer func() {
		s.Exec("delete from repos")
		s.Exec("delete from builds")
		s.Close()
	}()

	repo := &model.Repo{
		UserID:   1,
		FullName: "bradrydzewski/drone",
		Owner:    "bradrydzewski",
		Name:     "drone",
	}
	if err := s.CreateRepo(repo); err != nil {
		t.Error(err)
	}

	num, err := s.incrementRepo(repo.ID, 0, 1)
	if err != nil {
		t.Error(err)
	}

	if got, want := num, 1; got != want {
		t.Errorf("Want repository counter incremented to %d, got %d", want, got)
	}

	num, err = s.incrementRepo(repo.ID, 1, 2)
	if err != nil {
		t.Error(err)
	}

	if got, want := num, 2; got != want {
		t.Errorf("Want repository counter incremented to %d, got %d", want, got)
	}

	// this block tests incrementing the repository counter
	// should fail when attempting to increment the counter
	// from a stale base.
	num, _ = s.incrementRepo(repo.ID, 1, 2)
	if num != 0 {
		t.Errorf("Want error when trying to increment stale number")
	}

	// this block tests incrementing the repository counter
	// using the given repository id with backoff.
	num, err = s.incrementRepoRetry(repo.ID)
	if err != nil {
		t.Error(err)
	}
	if got, want := num, 3; got != want {
		t.Errorf("Want repository counter incremented to %d, got %d", want, got)
	}
}