// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package xorm

import (
	"fmt"
	"strings"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"xorm.io/xorm/schemas"
)

type UserCU struct {
	Id      int64
	Name    string
	Created time.Time `xorm:"created"`
	Updated time.Time `xorm:"updated"`
}

func TestCreatedAndUpdated(t *testing.T) {
	assert.NoError(t, prepareEngine())

	u := new(UserCU)
	err := testEngine.DropTables(u)
	assert.NoError(t, err)

	err = testEngine.CreateTables(u)
	assert.NoError(t, err)

	u.Name = "sss"
	cnt, err := testEngine.Insert(u)
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)

	u.Name = "xxx"
	cnt, err = testEngine.ID(u.Id).Update(u)
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)

	u.Id = 0
	u.Created = time.Now().Add(-time.Hour * 24 * 365)
	u.Updated = u.Created
	cnt, err = testEngine.NoAutoTime().Insert(u)
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)
}

type StrangeName struct {
	Id_t int64 `xorm:"pk autoincr"`
	Name string
}

func TestStrangeName(t *testing.T) {
	assert.NoError(t, prepareEngine())

	err := testEngine.DropTables(new(StrangeName))
	assert.NoError(t, err)

	err = testEngine.CreateTables(new(StrangeName))
	assert.NoError(t, err)

	_, err = testEngine.Insert(&StrangeName{Name: "sfsfdsfds"})
	assert.NoError(t, err)

	beans := make([]StrangeName, 0)
	err = testEngine.Find(&beans)
	assert.NoError(t, err)
}

func TestCreatedUpdated(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type CreatedUpdated struct {
		Id       int64
		Name     string
		Value    float64   `xorm:"numeric"`
		Created  time.Time `xorm:"created"`
		Created2 time.Time `xorm:"created"`
		Updated  time.Time `xorm:"updated"`
	}

	err := testEngine.Sync2(&CreatedUpdated{})
	assert.NoError(t, err)

	c := &CreatedUpdated{Name: "test"}
	_, err = testEngine.Insert(c)
	assert.NoError(t, err)

	c2 := new(CreatedUpdated)
	has, err := testEngine.ID(c.Id).Get(c2)
	assert.NoError(t, err)

	assert.True(t, has)

	c2.Value -= 1
	_, err = testEngine.ID(c2.Id).Update(c2)
	assert.NoError(t, err)
}

func TestCreatedUpdatedInt64(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type CreatedUpdatedInt64 struct {
		Id       int64
		Name     string
		Value    float64 `xorm:"numeric"`
		Created  int64   `xorm:"created"`
		Created2 int64   `xorm:"created"`
		Updated  int64   `xorm:"updated"`
	}

	assertSync(t, &CreatedUpdatedInt64{})

	c := &CreatedUpdatedInt64{Name: "test"}
	_, err := testEngine.Insert(c)
	assert.NoError(t, err)

	c2 := new(CreatedUpdatedInt64)
	has, err := testEngine.ID(c.Id).Get(c2)
	assert.NoError(t, err)
	assert.True(t, has)

	c2.Value -= 1
	_, err = testEngine.ID(c2.Id).Update(c2)
	assert.NoError(t, err)
}

type Lowercase struct {
	Id    int64
	Name  string
	ended int64 `xorm:"-"`
}

func TestLowerCase(t *testing.T) {
	assert.NoError(t, prepareEngine())

	err := testEngine.Sync2(&Lowercase{})
	assert.NoError(t, err)
	_, err = testEngine.Where("id > 0").Delete(&Lowercase{})
	assert.NoError(t, err)

	_, err = testEngine.Insert(&Lowercase{ended: 1})
	assert.NoError(t, err)

	ls := make([]Lowercase, 0)
	err = testEngine.Find(&ls)
	assert.NoError(t, err)
	assert.EqualValues(t, 1, len(ls))
}

func TestAutoIncrTag(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type TestAutoIncr1 struct {
		Id int64
	}

	tb := testEngine.TableInfo(new(TestAutoIncr1))
	cols := tb.Columns()
	assert.EqualValues(t, 1, len(cols))
	assert.True(t, cols[0].IsAutoIncrement)
	assert.True(t, cols[0].IsPrimaryKey)
	assert.Equal(t, "id", cols[0].Name)

	type TestAutoIncr2 struct {
		Id int64 `xorm:"id"`
	}

	tb = testEngine.TableInfo(new(TestAutoIncr2))
	cols = tb.Columns()
	assert.EqualValues(t, 1, len(cols))
	assert.False(t, cols[0].IsAutoIncrement)
	assert.False(t, cols[0].IsPrimaryKey)
	assert.Equal(t, "id", cols[0].Name)

	type TestAutoIncr3 struct {
		Id int64 `xorm:"'ID'"`
	}

	tb = testEngine.TableInfo(new(TestAutoIncr3))
	cols = tb.Columns()
	assert.EqualValues(t, 1, len(cols))
	assert.False(t, cols[0].IsAutoIncrement)
	assert.False(t, cols[0].IsPrimaryKey)
	assert.Equal(t, "ID", cols[0].Name)

	type TestAutoIncr4 struct {
		Id int64 `xorm:"pk"`
	}

	tb = testEngine.TableInfo(new(TestAutoIncr4))
	cols = tb.Columns()
	assert.EqualValues(t, 1, len(cols))
	assert.False(t, cols[0].IsAutoIncrement)
	assert.True(t, cols[0].IsPrimaryKey)
	assert.Equal(t, "id", cols[0].Name)
}

func TestTagComment(t *testing.T) {
	assert.NoError(t, prepareEngine())
	// FIXME: only support mysql
	if testEngine.Dialect().DriverName() != schemas.MYSQL {
		return
	}

	type TestComment1 struct {
		Id int64 `xorm:"comment(主键)"`
	}

	assert.NoError(t, testEngine.Sync2(new(TestComment1)))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)
	assert.EqualValues(t, 1, len(tables))
	assert.EqualValues(t, 1, len(tables[0].Columns()))
	assert.EqualValues(t, "主键", tables[0].Columns()[0].Comment)

	assert.NoError(t, testEngine.DropTables(new(TestComment1)))

	type TestComment2 struct {
		Id int64 `xorm:"comment('主键')"`
	}

	assert.NoError(t, testEngine.Sync2(new(TestComment2)))

	tables, err = testEngine.DBMetas()
	assert.NoError(t, err)
	assert.EqualValues(t, 1, len(tables))
	assert.EqualValues(t, 1, len(tables[0].Columns()))
	assert.EqualValues(t, "主键", tables[0].Columns()[0].Comment)
}

func TestTagDefault(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type DefaultStruct struct {
		Id   int64
		Name string
		Age  int `xorm:"default(10)"`
	}

	assertSync(t, new(DefaultStruct))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)

	var defaultVal string
	var isDefaultExist bool
	tableName := testEngine.GetColumnMapper().Obj2Table("DefaultStruct")
	for _, table := range tables {
		if table.Name == tableName {
			col := table.GetColumn("age")
			assert.NotNil(t, col)
			defaultVal = col.Default
			isDefaultExist = !col.DefaultIsEmpty
			break
		}
	}
	assert.True(t, isDefaultExist)
	assert.EqualValues(t, "10", defaultVal)

	cnt, err := testEngine.Omit("age").Insert(&DefaultStruct{
		Name: "test",
		Age:  20,
	})
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)

	var s DefaultStruct
	has, err := testEngine.ID(1).Get(&s)
	assert.NoError(t, err)
	assert.True(t, has)
	assert.EqualValues(t, 10, s.Age)
	assert.EqualValues(t, "test", s.Name)
}

func TestTagDefault2(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type DefaultStruct2 struct {
		Id   int64
		Name string
	}

	assertSync(t, new(DefaultStruct2))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)

	var defaultVal string
	var isDefaultExist bool
	tableName := testEngine.GetColumnMapper().Obj2Table("DefaultStruct2")
	for _, table := range tables {
		if table.Name == tableName {
			col := table.GetColumn("name")
			assert.NotNil(t, col)
			defaultVal = col.Default
			isDefaultExist = !col.DefaultIsEmpty
			break
		}
	}
	assert.False(t, isDefaultExist, fmt.Sprintf("default value is --%v--", defaultVal))
	assert.EqualValues(t, "", defaultVal)
}

func TestTagDefault3(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type DefaultStruct3 struct {
		Id   int64
		Name string `xorm:"default('myname')"`
	}

	assertSync(t, new(DefaultStruct3))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)

	var defaultVal string
	var isDefaultExist bool
	tableName := testEngine.GetColumnMapper().Obj2Table("DefaultStruct3")
	for _, table := range tables {
		if table.Name == tableName {
			col := table.GetColumn("name")
			assert.NotNil(t, col)
			defaultVal = col.Default
			isDefaultExist = !col.DefaultIsEmpty
			break
		}
	}
	assert.True(t, isDefaultExist)
	assert.EqualValues(t, "'myname'", defaultVal)
}

func TestTagDefault4(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type DefaultStruct4 struct {
		Id      int64
		Created time.Time `xorm:"default(CURRENT_TIMESTAMP)"`
	}

	assertSync(t, new(DefaultStruct4))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)

	var defaultVal string
	var isDefaultExist bool
	tableName := testEngine.GetColumnMapper().Obj2Table("DefaultStruct4")
	for _, table := range tables {
		if table.Name == tableName {
			col := table.GetColumn("created")
			assert.NotNil(t, col)
			defaultVal = col.Default
			isDefaultExist = !col.DefaultIsEmpty
			break
		}
	}
	assert.True(t, isDefaultExist)
	assert.True(t, "CURRENT_TIMESTAMP" == defaultVal ||
		"now()" == defaultVal ||
		"getdate" == defaultVal, defaultVal)
}

func TestTagDefault5(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type DefaultStruct5 struct {
		Id      int64
		Created time.Time `xorm:"default('2006-01-02 15:04:05')"`
	}

	assertSync(t, new(DefaultStruct5))
	table := testEngine.TableInfo(new(DefaultStruct5))
	createdCol := table.GetColumn("created")
	assert.NotNil(t, createdCol)
	assert.EqualValues(t, "'2006-01-02 15:04:05'", createdCol.Default)
	assert.False(t, createdCol.DefaultIsEmpty)

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)

	var defaultVal string
	var isDefaultExist bool
	tableName := testEngine.GetColumnMapper().Obj2Table("DefaultStruct5")
	for _, table := range tables {
		if table.Name == tableName {
			col := table.GetColumn("created")
			assert.NotNil(t, col)
			defaultVal = col.Default
			isDefaultExist = !col.DefaultIsEmpty
			break
		}
	}
	assert.True(t, isDefaultExist)
	assert.EqualValues(t, "'2006-01-02 15:04:05'", defaultVal)
}

func TestTagDefault6(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type DefaultStruct6 struct {
		Id    int64
		IsMan bool `xorm:"default(true)"`
	}

	assertSync(t, new(DefaultStruct6))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)

	var defaultVal string
	var isDefaultExist bool
	tableName := testEngine.GetColumnMapper().Obj2Table("DefaultStruct6")
	for _, table := range tables {
		if table.Name == tableName {
			col := table.GetColumn("is_man")
			assert.NotNil(t, col)
			defaultVal = col.Default
			isDefaultExist = !col.DefaultIsEmpty
			break
		}
	}
	assert.True(t, isDefaultExist)
	if defaultVal == "1" {
		defaultVal = "true"
	} else if defaultVal == "0" {
		defaultVal = "false"
	}
	assert.EqualValues(t, "true", defaultVal)
}

func TestTagsDirection(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type OnlyFromDBStruct struct {
		Id   int64
		Name string
		Uuid string `xorm:"<- default '1'"`
	}

	assertSync(t, new(OnlyFromDBStruct))

	cnt, err := testEngine.Insert(&OnlyFromDBStruct{
		Name: "test",
		Uuid: "2",
	})
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)

	var s OnlyFromDBStruct
	has, err := testEngine.ID(1).Get(&s)
	assert.NoError(t, err)
	assert.True(t, has)
	assert.EqualValues(t, "1", s.Uuid)
	assert.EqualValues(t, "test", s.Name)

	cnt, err = testEngine.ID(1).Update(&OnlyFromDBStruct{
		Uuid: "3",
		Name: "test1",
	})
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)

	var s3 OnlyFromDBStruct
	has, err = testEngine.ID(1).Get(&s3)
	assert.NoError(t, err)
	assert.True(t, has)
	assert.EqualValues(t, "1", s3.Uuid)
	assert.EqualValues(t, "test1", s3.Name)

	type OnlyToDBStruct struct {
		Id   int64
		Name string
		Uuid string `xorm:"->"`
	}

	assertSync(t, new(OnlyToDBStruct))

	cnt, err = testEngine.Insert(&OnlyToDBStruct{
		Name: "test",
		Uuid: "2",
	})
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)

	var s2 OnlyToDBStruct
	has, err = testEngine.ID(1).Get(&s2)
	assert.NoError(t, err)
	assert.True(t, has)
	assert.EqualValues(t, "", s2.Uuid)
	assert.EqualValues(t, "test", s2.Name)
}

func TestTagTime(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type TagUTCStruct struct {
		Id      int64
		Name    string
		Created time.Time `xorm:"created utc"`
	}

	assertSync(t, new(TagUTCStruct))

	assert.EqualValues(t, time.Local.String(), testEngine.GetTZLocation().String())

	s := TagUTCStruct{
		Name: "utc",
	}
	cnt, err := testEngine.Insert(&s)
	assert.NoError(t, err)
	assert.EqualValues(t, 1, cnt)

	var u TagUTCStruct
	has, err := testEngine.ID(1).Get(&u)
	assert.NoError(t, err)
	assert.True(t, has)
	assert.EqualValues(t, s.Created.Format("2006-01-02 15:04:05"), u.Created.Format("2006-01-02 15:04:05"))

	var tm string
	has, err = testEngine.Table("tag_u_t_c_struct").Cols("created").Get(&tm)
	assert.NoError(t, err)
	assert.True(t, has)
	assert.EqualValues(t, s.Created.UTC().Format("2006-01-02 15:04:05"),
		strings.Replace(strings.Replace(tm, "T", " ", -1), "Z", "", -1))
}

func TestSplitTag(t *testing.T) {
	var cases = []struct {
		tag  string
		tags []string
	}{
		{"not null default '2000-01-01 00:00:00' TIMESTAMP", []string{"not", "null", "default", "'2000-01-01 00:00:00'", "TIMESTAMP"}},
		{"TEXT", []string{"TEXT"}},
		{"default('2000-01-01 00:00:00')", []string{"default('2000-01-01 00:00:00')"}},
		{"json  binary", []string{"json", "binary"}},
	}

	for _, kase := range cases {
		tags := splitTag(kase.tag)
		if !sliceEq(tags, kase.tags) {
			t.Fatalf("[%d]%v is not equal [%d]%v", len(tags), tags, len(kase.tags), kase.tags)
		}
	}
}

func TestTagAutoIncr(t *testing.T) {
	assert.NoError(t, prepareEngine())

	type TagAutoIncr struct {
		Id   int64
		Name string
	}

	assertSync(t, new(TagAutoIncr))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)
	assert.EqualValues(t, 1, len(tables))
	assert.EqualValues(t, tableMapper.Obj2Table("TagAutoIncr"), tables[0].Name)
	col := tables[0].GetColumn(colMapper.Obj2Table("Id"))
	assert.NotNil(t, col)
	assert.True(t, col.IsPrimaryKey)
	assert.True(t, col.IsAutoIncrement)

	col2 := tables[0].GetColumn(colMapper.Obj2Table("Name"))
	assert.NotNil(t, col2)
	assert.False(t, col2.IsPrimaryKey)
	assert.False(t, col2.IsAutoIncrement)
}

func TestTagPrimarykey(t *testing.T) {
	assert.NoError(t, prepareEngine())
	type TagPrimaryKey struct {
		Id   int64  `xorm:"pk"`
		Name string `xorm:"VARCHAR(20) pk"`
	}

	assertSync(t, new(TagPrimaryKey))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)
	assert.EqualValues(t, 1, len(tables))
	assert.EqualValues(t, tableMapper.Obj2Table("TagPrimaryKey"), tables[0].Name)
	col := tables[0].GetColumn(colMapper.Obj2Table("Id"))
	assert.NotNil(t, col)
	assert.True(t, col.IsPrimaryKey)
	assert.False(t, col.IsAutoIncrement)

	col2 := tables[0].GetColumn(colMapper.Obj2Table("Name"))
	assert.NotNil(t, col2)
	assert.True(t, col2.IsPrimaryKey)
	assert.False(t, col2.IsAutoIncrement)
}