package ydb

import (
	"database/sql"
	"fmt"
	"testing"
	"time"

	"github.com/google/uuid"
	"github.com/stretchr/testify/assert"
)

func TestInsertOne(t *testing.T) {
	assert.NoError(t, PrepareScheme(&Users{}))

	engine, err := enginePool.GetDataQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	user := Users{
		Name: "Dat",
		Age:  21,
		Account: Account{
			UserID: sql.NullInt64{Int64: 1234, Valid: true},
			Number: "56789",
		},
	}

	_, err = engine.InsertOne(&user)
	assert.NoError(t, err)

	has, err := engine.Exist(&user)
	assert.NoError(t, err)
	assert.True(t, has)
}

func TestInsertMultiStruct(t *testing.T) {
	assert.NoError(t, PrepareScheme(&Users{}))

	engine, err := enginePool.GetDataQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	users := getUsersData()

	_, err = engine.Insert(&users)
	assert.NoError(t, err)

	cnt, err := engine.Count(&Users{})
	assert.NoError(t, err)
	assert.Equal(t, int64(len(users)), cnt)
}

func TestInsertCreated(t *testing.T) {
	assert.NoError(t, PrepareScheme(&Users{}))

	engine, err := enginePool.GetDataQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	curTime := time.Now()
	users := getUsersData()

	_, err = engine.Insert(&users)
	assert.NoError(t, err)

	err = engine.Table(&Users{}).Cols("created_at").Find(&users)
	assert.NoError(t, err)

	loc := engine.GetTZLocation()
	for _, user := range users {
		layout := "2006-01-02 15:04:05"
		assert.EqualValues(t, curTime.In(loc).Format(layout), user.Created.In(loc).Format(layout))
	}
}

func TestInsertMapInterface(t *testing.T) {
	assert.NoError(t, PrepareScheme(&Users{}))
	engine, err := enginePool.GetDataQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	user := map[string]interface{}{
		"name":    "Dat",
		"age":     uint32(22),
		"user_id": sql.NullInt64{Int64: int64(1), Valid: true},
		"number":  uuid.NewString(),
	}

	_, err = engine.Table("users").Insert(user)
	assert.NoError(t, err)

	res := Users{
		Account: Account{
			UserID: user["user_id"].(sql.NullInt64),
			Number: user["number"].(string),
		},
	}
	has, err := engine.Get(&res)
	assert.NoError(t, err)
	assert.True(t, has)

	assert.Equal(t, res.Name, user["name"])
	assert.Equal(t, res.Age, user["age"])
	assert.Equal(t, res.UserID, user["user_id"])
	assert.Equal(t, res.Number, user["number"])
}

func TestInsertMultiMapInterface(t *testing.T) {
	assert.NoError(t, PrepareScheme(&Users{}))
	engine, err := enginePool.GetDataQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	users := []map[string]interface{}{}

	for i := 0; i < 20; i++ {
		users = append(users, map[string]interface{}{
			"name":    fmt.Sprintf("Dat - %d", i),
			"age":     uint32(22 + i),
			"user_id": sql.NullInt64{Int64: int64(i + 1), Valid: true},
			"number":  uuid.NewString(),
		})
	}

	_, err = engine.Table("users").Insert(users)
	assert.NoError(t, err)

	cnt, err := engine.Table("users").Count()
	assert.NoError(t, err)
	assert.Equal(t, int64(len(users)), cnt)
}

func TestInsertCustomType(t *testing.T) {
	type RowID = uint64

	type Row struct {
		ID               RowID      `xorm:"pk 'id'"`
		PayloadStr       *string    `xorm:"'payload_str'"`
		PayloadDouble    *float64   `xorm:"'payload_double'"`
		PayloadTimestamp *time.Time `xorm:"'payload_timestamp'"`
	}

	rows := make([]Row, 0)
	for i := 0; i < 10; i++ {
		rows = append(rows, Row{
			ID:               RowID(i),
			PayloadStr:       func(s string) *string { return &s }(fmt.Sprintf("payload#%d", i)),
			PayloadDouble:    func(f float64) *float64 { return &f }((float64)(i)),
			PayloadTimestamp: func(t time.Time) *time.Time { return &t }(time.Now()),
		})
	}

	assert.NoError(t, PrepareScheme(&Row{}))
	engine, err := enginePool.GetScriptQueryEngine()
	assert.NoError(t, err)

	session := engine.NewSession()
	defer session.Close()

	_, err = session.Insert(&rows)
	assert.NoError(t, err)

	cnt, err := session.Count(&Row{})
	assert.NoError(t, err)
	assert.EqualValues(t, 10, cnt)
}

func TestInsertWithTableParams(t *testing.T) {
	engine, err := enginePool.GetScriptQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	type SeriesTableWithParams struct {
		Hash   uint64  `xorm:"pk hash"`
		Series *Series `xorm:"extends"`
	}

	tableParams := map[string]string{
		"AUTO_PARTITIONING_BY_SIZE":              "ENABLED",
		"AUTO_PARTITIONING_BY_LOAD":              "ENABLED",
		"AUTO_PARTITIONING_PARTITION_SIZE_MB":    "1",
		"AUTO_PARTITIONING_MIN_PARTITIONS_COUNT": "6",
		"AUTO_PARTITIONING_MAX_PARTITIONS_COUNT": "1000",
		"UNIFORM_PARTITIONS":                     "6",
	}

	engine.Dialect().SetParams(tableParams)

	session := engine.NewSession()
	defer session.Close()
	defer session.Engine().Dialect().SetParams(nil)

	err = session.DropTable(&SeriesTableWithParams{})
	assert.NoError(t, err)

	err = session.CreateTable(&SeriesTableWithParams{})
	assert.NoError(t, err)

	t.Run("check-YQL-script", func(t *testing.T) {
		createTableYQL, _ := session.LastSQL()
		for params, value := range tableParams {
			pattern := params + `\s*=\s*` + value
			assert.Regexp(t, pattern, createTableYQL)
		}
	})

	computeHash := func(bean interface{}) {
		data := bean.(*SeriesTableWithParams)
		err := session.
			DB().
			QueryRow(fmt.Sprintf("SELECT Digest::IntHash64(%d)", data.Hash)).
			Scan(&data.Hash)
		assert.NoError(t, err)
		t.Log(data.Hash)
	}

	for i := uint64(1); i < 100; i++ {
		_, err = session.
			Before(computeHash).
			Insert(&SeriesTableWithParams{
				Hash: i,
				Series: &Series{
					SeriesID:    []byte(uuid.New().String()),
					ReleaseDate: time.Now(),
				},
			})
		assert.NoError(t, err)
	}
}

func TestInsertWithTableParams2(t *testing.T) {
	engine, err := enginePool.GetScriptQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	tableParams := map[string]string{
		"AUTO_PARTITIONING_BY_SIZE":              "ENABLED",
		"AUTO_PARTITIONING_BY_LOAD":              "ENABLED",
		"AUTO_PARTITIONING_PARTITION_SIZE_MB":    "1",
		"AUTO_PARTITIONING_MIN_PARTITIONS_COUNT": "3",
		"AUTO_PARTITIONING_MAX_PARTITIONS_COUNT": "5",
	}

	engine.Dialect().SetParams(tableParams)

	session := engine.NewSession()
	defer session.Close()
	defer session.Engine().Dialect().SetParams(nil)

	err = session.DropTable(&Series{})
	assert.NoError(t, err)

	err = session.CreateTable(&Series{})
	assert.NoError(t, err)

	t.Run("check-YQL-script", func(t *testing.T) {
		createTableYQL, _ := session.LastSQL()
		for params, value := range tableParams {
			pattern := params + `\s*=\s*` + value
			assert.Regexp(t, pattern, createTableYQL)
		}
	})

	for i := uint64(1); i < 100; i++ {
		s := &Series{
			SeriesID:   []byte(uuid.New().String()),
			Title:      fmt.Sprintf("series#%d", i),
			SeriesInfo: fmt.Sprintf("series_info#%d", i),
			Comment:    fmt.Sprintf("comment#%d", i),
		}
		_, err = session.Insert(s)
		assert.NoError(t, err)
	}
}

func TestInsertEmptyField(t *testing.T) {
	type EmptyField struct {
		ID uint64 `xorm:"pk 'id'"`

		Bool bool

		Int64  int64
		Uint64 uint64

		Int32  int32
		Uint32 uint32

		Uint8 uint8

		Float  float32
		Double float64

		Utf8 string

		Timestamp time.Time

		Interval time.Duration

		String []byte
	}

	PrepareScheme(&EmptyField{})

	engine, err := enginePool.GetDataQueryEngine()
	assert.NoError(t, err)
	assert.NotNil(t, engine)

	for i := 0; i < 10; i++ {
		_, err = engine.Insert(&EmptyField{
			ID: uint64(i),
		})
		assert.NoError(t, err)
	}
}