package sql_test

import (
	"context"
	"database/sql"
	"regexp"
	"testing"
	repo "tercul/internal/data/sql"
	"tercul/internal/domain"
	"tercul/internal/platform/config"
	"time"

	"github.com/DATA-DOG/go-sqlmock"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestNewCityRepository(t *testing.T) {
	db, _, err := newMockDb()
	require.NoError(t, err)
	cfg, err := config.LoadConfig()
	require.NoError(t, err)
	repo := repo.NewCityRepository(db, cfg)
	assert.NotNil(t, repo)
}

func TestCityRepository_ListByCountryID(t *testing.T) {
	t.Run("should return cities for a given country id", func(t *testing.T) {
		db, mock, err := newMockDb()
		require.NoError(t, err)
		cfg, err := config.LoadConfig()
		require.NoError(t, err)
		repo := repo.NewCityRepository(db, cfg)

		countryID := uint(1)
		expectedCities := []domain.City{
			{TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 1, CreatedAt: time.Now(), UpdatedAt: time.Now()}}, Name: "City 1", CountryID: countryID},
			{TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 2, CreatedAt: time.Now(), UpdatedAt: time.Now()}}, Name: "City 2", CountryID: countryID},
		}

		rows := sqlmock.NewRows([]string{"id", "created_at", "updated_at", "name", "country_id"}).
			AddRow(expectedCities[0].ID, expectedCities[0].CreatedAt, expectedCities[0].UpdatedAt, expectedCities[0].Name, expectedCities[0].CountryID).
			AddRow(expectedCities[1].ID, expectedCities[1].CreatedAt, expectedCities[1].UpdatedAt, expectedCities[1].Name, expectedCities[1].CountryID)

		mock.ExpectQuery(regexp.QuoteMeta(`SELECT * FROM "cities" WHERE country_id = $1`)).
			WithArgs(countryID).
			WillReturnRows(rows)

		cities, err := repo.ListByCountryID(context.Background(), countryID)
		require.NoError(t, err)
		assert.Equal(t, expectedCities, cities)
		assert.NoError(t, mock.ExpectationsWereMet())
	})

	t.Run("should return error if query fails", func(t *testing.T) {
		db, mock, err := newMockDb()
		require.NoError(t, err)
		cfg, err := config.LoadConfig()
		require.NoError(t, err)
		repo := repo.NewCityRepository(db, cfg)

		countryID := uint(1)

		mock.ExpectQuery(regexp.QuoteMeta(`SELECT * FROM "cities" WHERE country_id = $1`)).
			WithArgs(countryID).
			WillReturnError(sql.ErrNoRows)

		cities, err := repo.ListByCountryID(context.Background(), countryID)
		require.Error(t, err)
		assert.Nil(t, cities)
		assert.NoError(t, mock.ExpectationsWereMet())
	})
}