package client_test

import (
	"context"
	"errors"
	"testing"

	"queryorchestration/internal/client"
	"queryorchestration/internal/database"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/serviceconfig"

	"github.com/google/uuid"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestGetStatus(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	require.NoError(t, err)
	cfg := &serviceconfig.BaseConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)

	svc := client.New(cfg)

	clientId := uuid.New()

	t.Run("is synced", func(t *testing.T) {
		pool.ExpectQuery("name: GetClient :one").WithArgs(database.MustToDBUUID(clientId)).WillReturnRows(
			pgxmock.NewRows([]string{"id", "name", "can_sync"}).
				AddRow(database.MustToDBUUID(clientId), "name", true),
		)
		pool.ExpectQuery("name: IsClientSynced :one").WithArgs(database.MustToDBUUID(clientId)).WillReturnRows(
			pgxmock.NewRows([]string{"issynced"}).
				AddRow(true),
		)

		issynced, err := svc.GetStatus(ctx, clientId)
		assert.NoError(t, err)
		assert.Equal(t, client.IN_SYNC, issynced)
	})
	t.Run("not synced", func(t *testing.T) {
		pool.ExpectQuery("name: GetClient :one").WithArgs(database.MustToDBUUID(clientId)).WillReturnRows(
			pgxmock.NewRows([]string{"id", "name", "can_sync"}).
				AddRow(database.MustToDBUUID(clientId), "name", true),
		)
		pool.ExpectQuery("name: IsClientSynced :one").WithArgs(database.MustToDBUUID(clientId)).WillReturnRows(
			pgxmock.NewRows([]string{"issynced"}).
				AddRow(false),
		)

		issynced, err := svc.GetStatus(ctx, clientId)
		assert.NoError(t, err)
		assert.Equal(t, client.NOT_SYNCED, issynced)
	})
	t.Run("not syncing", func(t *testing.T) {
		pool.ExpectQuery("name: GetClient :one").WithArgs(database.MustToDBUUID(clientId)).WillReturnRows(
			pgxmock.NewRows([]string{"id", "name", "can_sync"}).
				AddRow(database.MustToDBUUID(clientId), "name", false),
		)

		issynced, err := svc.GetStatus(ctx, clientId)
		assert.NoError(t, err)
		assert.Equal(t, client.NOT_SYNCING, issynced)
	})
	t.Run("db error", func(t *testing.T) {
		errStr := "db fail"
		pool.ExpectQuery("name: GetClient :one").WithArgs(database.MustToDBUUID(clientId)).
			WillReturnError(errors.New(errStr))

		_, err = svc.GetStatus(ctx, clientId)
		assert.EqualError(t, err, errStr)
	})
}