// Copyright 2023 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 tests

import (
	"testing"

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

type TestSync1 struct {
	Id      int64
	ClassId int64 `xorm:"index"`
}

func (TestSync1) TableName() string {
	return "test_sync"
}

type TestSync2 struct {
	Id      int64
	ClassId int64 `xorm:"unique"`
}

func (TestSync2) TableName() string {
	return "test_sync"
}

func TestSync(t *testing.T) {
	assert.NoError(t, testEngine.Sync(new(TestSync1)))
	assert.NoError(t, testEngine.Sync(new(TestSync2)))
}

// Test Sync with varchar size changed
type TestSync3 struct {
	Id   int64
	Name string `xorm:"varchar(100)"`
}

func (TestSync3) TableName() string {
	return "test_sync_2"
}

type TestSync4 struct {
	Id   int64
	Name string `xorm:"varchar(200)"`
}

func (TestSync4) TableName() string {
	return "test_sync_2"
}

func Test_SyncVarcharSizeChange(t *testing.T) {
	if testEngine.Dialect().URI().DBType == schemas.SQLITE {
		t.Skip("SQLite does not support column change")
	}

	assert.NoError(t, testEngine.Sync(new(TestSync3)))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)
	var testTable *schemas.Table
	for _, table := range tables {
		if table.Name == "test_sync_2" {
			testTable = table
			break
		}
	}
	assert.NotNil(t, testTable)
	assert.Len(t, testTable.Columns(), 2)
	assert.Equal(t, "varchar", testTable.GetColumn("name").SQLType.Name)
	assert.Equal(t, 100, testTable.GetColumn("name").Length)

	assert.NoError(t, testEngine.Sync(new(TestSync4)))

	tables, err = testEngine.DBMetas()
	assert.NoError(t, err)
	testTable = nil
	for _, table := range tables {
		if table.Name == "test_sync_2" {
			testTable = table
			break
		}
	}
	assert.NotNil(t, testTable)
	assert.Len(t, testTable.Columns(), 2)
	assert.Equal(t, "varchar", testTable.GetColumn("name").SQLType.Name)
	assert.Equal(t, 200, testTable.GetColumn("name").Length)
}

// Test Sync with varchar size changed
type TestSync5 struct {
	Id   int64
	Name string `xorm:"NOT NULL"`
}

func (TestSync5) TableName() string {
	return "test_sync_3"
}

type TestSync6 struct {
	Id   int64
	Name string `xorm:"NULL"`
}

func (TestSync6) TableName() string {
	return "test_sync_3"
}

func Test_SyncVarcharNullableChanged(t *testing.T) {
	if testEngine.Dialect().URI().DBType == schemas.SQLITE {
		t.Skip("SQLite does not support column change")
	}

	assert.NoError(t, testEngine.Sync(new(TestSync5)))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)
	var testTable *schemas.Table
	for _, table := range tables {
		if table.Name == "test_sync_3" {
			testTable = table
			break
		}
	}
	assert.NotNil(t, testTable)
	assert.Len(t, testTable.Columns(), 2)
	assert.False(t, testTable.GetColumn("name").Nullable)

	assert.NoError(t, testEngine.Sync(new(TestSync6)))

	tables, err = testEngine.DBMetas()
	assert.NoError(t, err)
	testTable = nil
	for _, table := range tables {
		if table.Name == "test_sync_3" {
			testTable = table
			break
		}
	}
	assert.NotNil(t, testTable)
	assert.Len(t, testTable.Columns(), 2)
	assert.True(t, testTable.GetColumn("name").Nullable)
}

// Test Sync with varchar size changed
type TestSync7 struct {
	Id   int64
	Name string `xorm:"DEFAULT '1'"`
}

func (TestSync7) TableName() string {
	return "test_sync_4"
}

type TestSync8 struct {
	Id   int64
	Name string `xorm:"DEFAULT '2'"`
}

func (TestSync8) TableName() string {
	return "test_sync_4"
}

func Test_SyncVarcharDefaultChange(t *testing.T) {
	if testEngine.Dialect().URI().DBType == schemas.SQLITE {
		t.Skip("SQLite does not support column change")
	}

	assert.NoError(t, testEngine.Sync(new(TestSync7)))

	tables, err := testEngine.DBMetas()
	assert.NoError(t, err)
	var testTable *schemas.Table
	for _, table := range tables {
		if table.Name == "test_sync_4" {
			testTable = table
			break
		}
	}
	assert.NotNil(t, testTable)
	assert.Len(t, testTable.Columns(), 2)
	assert.Equal(t, "1", testTable.GetColumn("name").Default)

	assert.NoError(t, testEngine.Sync(new(TestSync8)))

	tables, err = testEngine.DBMetas()
	assert.NoError(t, err)
	testTable = nil
	for _, table := range tables {
		if table.Name == "test_sync_4" {
			testTable = table
			break
		}
	}
	assert.NotNil(t, testTable)
	assert.Len(t, testTable.Columns(), 2)
	assert.Equal(t, "2", testTable.GetColumn("name").Default)
}