package schema_test

import (
	"database/sql"
	"reflect"
	"sync"
	"testing"
	"time"

	"gorm.io/gorm"
	"gorm.io/gorm/schema"
	"gorm.io/gorm/utils/tests"
)

func TestFieldValuerAndSetter(t *testing.T) {
	var (
		userSchema, _ = schema.Parse(&tests.User{}, &sync.Map{}, schema.NamingStrategy{})
		user          = tests.User{
			Model: gorm.Model{
				ID:        10,
				CreatedAt: time.Now(),
				UpdatedAt: time.Now(),
				DeletedAt: gorm.DeletedAt{Time: time.Now(), Valid: true},
			},
			Name:     "valuer_and_setter",
			Age:      18,
			Birthday: tests.Now(),
			Active:   true,
		}
		reflectValue = reflect.ValueOf(&user)
	)

	// test valuer
	values := map[string]interface{}{
		"name":       user.Name,
		"id":         user.ID,
		"created_at": user.CreatedAt,
		"updated_at": user.UpdatedAt,
		"deleted_at": user.DeletedAt,
		"age":        user.Age,
		"birthday":   user.Birthday,
		"active":     true,
	}
	checkField(t, userSchema, reflectValue, values)

	var f *bool
	// test setter
	newValues := map[string]interface{}{
		"name":       "valuer_and_setter_2",
		"id":         2,
		"created_at": time.Now(),
		"updated_at": nil,
		"deleted_at": time.Now(),
		"age":        20,
		"birthday":   time.Now(),
		"active":     f,
	}

	for k, v := range newValues {
		if err := userSchema.FieldsByDBName[k].Set(reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}
	newValues["updated_at"] = time.Time{}
	newValues["active"] = false
	checkField(t, userSchema, reflectValue, newValues)

	// test valuer and other type
	age := myint(10)
	var nilTime *time.Time
	newValues2 := map[string]interface{}{
		"name":       sql.NullString{String: "valuer_and_setter_3", Valid: true},
		"id":         &sql.NullInt64{Int64: 3, Valid: true},
		"created_at": tests.Now(),
		"updated_at": nilTime,
		"deleted_at": time.Now(),
		"age":        &age,
		"birthday":   mytime(time.Now()),
		"active":     mybool(true),
	}

	for k, v := range newValues2 {
		if err := userSchema.FieldsByDBName[k].Set(reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}
	newValues2["updated_at"] = time.Time{}
	checkField(t, userSchema, reflectValue, newValues2)
}

func TestPointerFieldValuerAndSetter(t *testing.T) {
	var (
		userSchema, _      = schema.Parse(&User{}, &sync.Map{}, schema.NamingStrategy{})
		name               = "pointer_field_valuer_and_setter"
		age           uint = 18
		active             = true
		user               = User{
			Model: &gorm.Model{
				ID:        10,
				CreatedAt: time.Now(),
				DeletedAt: gorm.DeletedAt{Time: time.Now(), Valid: true},
			},
			Name:     &name,
			Age:      &age,
			Birthday: tests.Now(),
			Active:   &active,
		}
		reflectValue = reflect.ValueOf(&user)
	)

	// test valuer
	values := map[string]interface{}{
		"name":       user.Name,
		"id":         user.ID,
		"created_at": user.CreatedAt,
		"deleted_at": user.DeletedAt,
		"age":        user.Age,
		"birthday":   user.Birthday,
		"active":     true,
	}
	checkField(t, userSchema, reflectValue, values)

	// test setter
	newValues := map[string]interface{}{
		"name":       "valuer_and_setter_2",
		"id":         2,
		"created_at": time.Now(),
		"deleted_at": time.Now(),
		"age":        20,
		"birthday":   time.Now(),
		"active":     false,
	}

	for k, v := range newValues {
		if err := userSchema.FieldsByDBName[k].Set(reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}
	checkField(t, userSchema, reflectValue, newValues)

	// test valuer and other type
	age2 := myint(10)
	newValues2 := map[string]interface{}{
		"name":       sql.NullString{String: "valuer_and_setter_3", Valid: true},
		"id":         &sql.NullInt64{Int64: 3, Valid: true},
		"created_at": tests.Now(),
		"deleted_at": time.Now(),
		"age":        &age2,
		"birthday":   mytime(time.Now()),
		"active":     mybool(true),
	}

	for k, v := range newValues2 {
		if err := userSchema.FieldsByDBName[k].Set(reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}
	checkField(t, userSchema, reflectValue, newValues2)
}

func TestAdvancedDataTypeValuerAndSetter(t *testing.T) {
	var (
		userSchema, _ = schema.Parse(&AdvancedDataTypeUser{}, &sync.Map{}, schema.NamingStrategy{})
		name          = "advanced_data_type_valuer_and_setter"
		deletedAt     = mytime(time.Now())
		isAdmin       = mybool(false)
		user          = AdvancedDataTypeUser{
			ID:           sql.NullInt64{Int64: 10, Valid: true},
			Name:         &sql.NullString{String: name, Valid: true},
			Birthday:     sql.NullTime{Time: time.Now(), Valid: true},
			RegisteredAt: mytime(time.Now()),
			DeletedAt:    &deletedAt,
			Active:       mybool(true),
			Admin:        &isAdmin,
		}
		reflectValue = reflect.ValueOf(&user)
	)

	// test valuer
	values := map[string]interface{}{
		"id":            user.ID,
		"name":          user.Name,
		"birthday":      user.Birthday,
		"registered_at": user.RegisteredAt,
		"deleted_at":    user.DeletedAt,
		"active":        user.Active,
		"admin":         user.Admin,
	}
	checkField(t, userSchema, reflectValue, values)

	// test setter
	newDeletedAt := mytime(time.Now())
	newIsAdmin := mybool(true)
	newValues := map[string]interface{}{
		"id":            sql.NullInt64{Int64: 1, Valid: true},
		"name":          &sql.NullString{String: name + "rename", Valid: true},
		"birthday":      time.Now(),
		"registered_at": mytime(time.Now()),
		"deleted_at":    &newDeletedAt,
		"active":        mybool(false),
		"admin":         &newIsAdmin,
	}

	for k, v := range newValues {
		if err := userSchema.FieldsByDBName[k].Set(reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}
	checkField(t, userSchema, reflectValue, newValues)

	newValues2 := map[string]interface{}{
		"id":            5,
		"name":          name + "rename2",
		"birthday":      time.Now(),
		"registered_at": time.Now(),
		"deleted_at":    time.Now(),
		"active":        true,
		"admin":         false,
	}

	for k, v := range newValues2 {
		if err := userSchema.FieldsByDBName[k].Set(reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}
	checkField(t, userSchema, reflectValue, newValues2)
}

type UserWithPermissionControl struct {
	ID    uint
	Name  string `gorm:"-"`
	Name2 string `gorm:"->"`
	Name3 string `gorm:"<-"`
	Name4 string `gorm:"<-:create"`
	Name5 string `gorm:"<-:update"`
	Name6 string `gorm:"<-:create,update"`
	Name7 string `gorm:"->:false;<-:create,update"`
	Name8 string `gorm:"->;-:migration"`
}

func TestParseFieldWithPermission(t *testing.T) {
	user, err := schema.Parse(&UserWithPermissionControl{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("Failed to parse user with permission, got error %v", err)
	}

	fields := []*schema.Field{
		{Name: "ID", DBName: "id", BindNames: []string{"ID"}, DataType: schema.Uint, PrimaryKey: true, Size: 64, Creatable: true, Updatable: true, Readable: true, HasDefaultValue: true, AutoIncrement: true},
		{Name: "Name", DBName: "", BindNames: []string{"Name"}, DataType: "", Tag: `gorm:"-"`, Creatable: false, Updatable: false, Readable: false},
		{Name: "Name2", DBName: "name2", BindNames: []string{"Name2"}, DataType: schema.String, Tag: `gorm:"->"`, Creatable: false, Updatable: false, Readable: true},
		{Name: "Name3", DBName: "name3", BindNames: []string{"Name3"}, DataType: schema.String, Tag: `gorm:"<-"`, Creatable: true, Updatable: true, Readable: true},
		{Name: "Name4", DBName: "name4", BindNames: []string{"Name4"}, DataType: schema.String, Tag: `gorm:"<-:create"`, Creatable: true, Updatable: false, Readable: true},
		{Name: "Name5", DBName: "name5", BindNames: []string{"Name5"}, DataType: schema.String, Tag: `gorm:"<-:update"`, Creatable: false, Updatable: true, Readable: true},
		{Name: "Name6", DBName: "name6", BindNames: []string{"Name6"}, DataType: schema.String, Tag: `gorm:"<-:create,update"`, Creatable: true, Updatable: true, Readable: true},
		{Name: "Name7", DBName: "name7", BindNames: []string{"Name7"}, DataType: schema.String, Tag: `gorm:"->:false;<-:create,update"`, Creatable: true, Updatable: true, Readable: false},
		{Name: "Name8", DBName: "name8", BindNames: []string{"Name8"}, DataType: schema.String, Tag: `gorm:"->;-:migration"`, Creatable: false, Updatable: false, Readable: true, IgnoreMigration: true},
	}

	for _, f := range fields {
		checkSchemaField(t, user, f, func(f *schema.Field) {})
	}
}

type (
	ID        int64
	INT       int
	INT8      int8
	INT16     int16
	INT32     int32
	INT64     int64
	UINT      uint
	UINT8     uint8
	UINT16    uint16
	UINT32    uint32
	UINT64    uint64
	FLOAT32   float32
	FLOAT64   float64
	BOOL      bool
	STRING    string
	TypeAlias struct {
		ID
		INT     `gorm:"column:fint"`
		INT8    `gorm:"column:fint8"`
		INT16   `gorm:"column:fint16"`
		INT32   `gorm:"column:fint32"`
		INT64   `gorm:"column:fint64"`
		UINT    `gorm:"column:fuint"`
		UINT8   `gorm:"column:fuint8"`
		UINT16  `gorm:"column:fuint16"`
		UINT32  `gorm:"column:fuint32"`
		UINT64  `gorm:"column:fuint64"`
		FLOAT32 `gorm:"column:ffloat32"`
		FLOAT64 `gorm:"column:ffloat64"`
		BOOL    `gorm:"column:fbool"`
		STRING  `gorm:"column:fstring"`
	}
)

func TestTypeAliasField(t *testing.T) {
	alias, err := schema.Parse(&TypeAlias{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("Failed to parse TypeAlias with permission, got error %v", err)
	}

	fields := []*schema.Field{
		{Name: "ID", DBName: "id", BindNames: []string{"ID"}, DataType: schema.Int, Creatable: true, Updatable: true, Readable: true, Size: 64, PrimaryKey: true, HasDefaultValue: true, AutoIncrement: true},
		{Name: "INT", DBName: "fint", BindNames: []string{"INT"}, DataType: schema.Int, Creatable: true, Updatable: true, Readable: true, Size: 64, Tag: `gorm:"column:fint"`},
		{Name: "INT8", DBName: "fint8", BindNames: []string{"INT8"}, DataType: schema.Int, Creatable: true, Updatable: true, Readable: true, Size: 8, Tag: `gorm:"column:fint8"`},
		{Name: "INT16", DBName: "fint16", BindNames: []string{"INT16"}, DataType: schema.Int, Creatable: true, Updatable: true, Readable: true, Size: 16, Tag: `gorm:"column:fint16"`},
		{Name: "INT32", DBName: "fint32", BindNames: []string{"INT32"}, DataType: schema.Int, Creatable: true, Updatable: true, Readable: true, Size: 32, Tag: `gorm:"column:fint32"`},
		{Name: "INT64", DBName: "fint64", BindNames: []string{"INT64"}, DataType: schema.Int, Creatable: true, Updatable: true, Readable: true, Size: 64, Tag: `gorm:"column:fint64"`},
		{Name: "UINT", DBName: "fuint", BindNames: []string{"UINT"}, DataType: schema.Uint, Creatable: true, Updatable: true, Readable: true, Size: 64, Tag: `gorm:"column:fuint"`},
		{Name: "UINT8", DBName: "fuint8", BindNames: []string{"UINT8"}, DataType: schema.Uint, Creatable: true, Updatable: true, Readable: true, Size: 8, Tag: `gorm:"column:fuint8"`},
		{Name: "UINT16", DBName: "fuint16", BindNames: []string{"UINT16"}, DataType: schema.Uint, Creatable: true, Updatable: true, Readable: true, Size: 16, Tag: `gorm:"column:fuint16"`},
		{Name: "UINT32", DBName: "fuint32", BindNames: []string{"UINT32"}, DataType: schema.Uint, Creatable: true, Updatable: true, Readable: true, Size: 32, Tag: `gorm:"column:fuint32"`},
		{Name: "UINT64", DBName: "fuint64", BindNames: []string{"UINT64"}, DataType: schema.Uint, Creatable: true, Updatable: true, Readable: true, Size: 64, Tag: `gorm:"column:fuint64"`},
		{Name: "FLOAT32", DBName: "ffloat32", BindNames: []string{"FLOAT32"}, DataType: schema.Float, Creatable: true, Updatable: true, Readable: true, Size: 32, Tag: `gorm:"column:ffloat32"`},
		{Name: "FLOAT64", DBName: "ffloat64", BindNames: []string{"FLOAT64"}, DataType: schema.Float, Creatable: true, Updatable: true, Readable: true, Size: 64, Tag: `gorm:"column:ffloat64"`},
		{Name: "BOOL", DBName: "fbool", BindNames: []string{"BOOL"}, DataType: schema.Bool, Creatable: true, Updatable: true, Readable: true, Tag: `gorm:"column:fbool"`},
		{Name: "STRING", DBName: "fstring", BindNames: []string{"STRING"}, DataType: schema.String, Creatable: true, Updatable: true, Readable: true, Tag: `gorm:"column:fstring"`},
	}

	for _, f := range fields {
		checkSchemaField(t, alias, f, func(f *schema.Field) {})
	}
}