package work

import (
	"context"
	"errors"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/suite"
	"tercul/internal/app/authz"
	"tercul/internal/domain"
	workdomain "tercul/internal/domain/work"
	platform_auth "tercul/internal/platform/auth"
	"testing"
)

type WorkCommandsSuite struct {
	suite.Suite
	repo         *mockWorkRepository
	searchClient *mockSearchClient
	authzSvc     *authz.Service
	commands     *WorkCommands
}

func (s *WorkCommandsSuite) SetupTest() {
	s.repo = &mockWorkRepository{}
	s.searchClient = &mockSearchClient{}
	s.authzSvc = authz.NewService(s.repo)
	s.commands = NewWorkCommands(s.repo, s.searchClient, s.authzSvc)
}

func TestWorkCommandsSuite(t *testing.T) {
	suite.Run(t, new(WorkCommandsSuite))
}

func (s *WorkCommandsSuite) TestCreateWork_Success() {
	work := &workdomain.Work{Title: "Test Work", TranslatableModel: domain.TranslatableModel{Language: "en"}}
	_, err := s.commands.CreateWork(context.Background(), work)
	assert.NoError(s.T(), err)
}

func (s *WorkCommandsSuite) TestCreateWork_Nil() {
	_, err := s.commands.CreateWork(context.Background(), nil)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestCreateWork_EmptyTitle() {
	work := &workdomain.Work{TranslatableModel: domain.TranslatableModel{Language: "en"}}
	_, err := s.commands.CreateWork(context.Background(), work)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestCreateWork_EmptyLanguage() {
	work := &workdomain.Work{Title: "Test Work"}
	_, err := s.commands.CreateWork(context.Background(), work)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestCreateWork_RepoError() {
	work := &workdomain.Work{Title: "Test Work", TranslatableModel: domain.TranslatableModel{Language: "en"}}
	s.repo.createFunc = func(ctx context.Context, w *workdomain.Work) error {
		return errors.New("db error")
	}
	_, err := s.commands.CreateWork(context.Background(), work)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestUpdateWork_Success() {
	ctx := platform_auth.ContextWithAdminUser(context.Background(), 1)
	work := &workdomain.Work{Title: "Test Work", TranslatableModel: domain.TranslatableModel{Language: "en"}}
	work.ID = 1

	s.repo.getByIDFunc = func(ctx context.Context, id uint) (*workdomain.Work, error) {
		return work, nil
	}
	s.repo.isAuthorFunc = func(ctx context.Context, workID uint, authorID uint) (bool, error) {
		return true, nil
	}

	err := s.commands.UpdateWork(ctx, work)
	assert.NoError(s.T(), err)
}

func (s *WorkCommandsSuite) TestUpdateWork_Nil() {
	err := s.commands.UpdateWork(context.Background(), nil)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestUpdateWork_ZeroID() {
	work := &workdomain.Work{Title: "Test Work", TranslatableModel: domain.TranslatableModel{Language: "en"}}
	err := s.commands.UpdateWork(context.Background(), work)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestUpdateWork_EmptyTitle() {
	work := &workdomain.Work{TranslatableModel: domain.TranslatableModel{Language: "en"}}
	work.ID = 1
	err := s.commands.UpdateWork(context.Background(), work)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestUpdateWork_EmptyLanguage() {
	work := &workdomain.Work{Title: "Test Work"}
	work.ID = 1
	err := s.commands.UpdateWork(context.Background(), work)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestUpdateWork_RepoError() {
	work := &workdomain.Work{Title: "Test Work", TranslatableModel: domain.TranslatableModel{Language: "en"}}
	work.ID = 1
	s.repo.updateFunc = func(ctx context.Context, w *workdomain.Work) error {
		return errors.New("db error")
	}
	err := s.commands.UpdateWork(context.Background(), work)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestDeleteWork_Success() {
	ctx := platform_auth.ContextWithAdminUser(context.Background(), 1)
	work := &workdomain.Work{Title: "Test Work", TranslatableModel: domain.TranslatableModel{Language: "en"}}
	work.ID = 1

	s.repo.getByIDFunc = func(ctx context.Context, id uint) (*workdomain.Work, error) {
		return work, nil
	}
	s.repo.isAuthorFunc = func(ctx context.Context, workID uint, authorID uint) (bool, error) {
		return true, nil
	}

	err := s.commands.DeleteWork(ctx, 1)
	assert.NoError(s.T(), err)
}

func (s *WorkCommandsSuite) TestDeleteWork_ZeroID() {
	err := s.commands.DeleteWork(context.Background(), 0)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestDeleteWork_RepoError() {
	s.repo.deleteFunc = func(ctx context.Context, id uint) error {
		return errors.New("db error")
	}
	err := s.commands.DeleteWork(context.Background(), 1)
	assert.Error(s.T(), err)
}

func (s *WorkCommandsSuite) TestAnalyzeWork_Success() {
	err := s.commands.AnalyzeWork(context.Background(), 1)
	assert.NoError(s.T(), err)
}