// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.

// Code generated by entc, DO NOT EDIT.

package entv1

import (
	"context"
	"fmt"

	"github.com/facebookincubator/ent/dialect/sql"
	"github.com/facebookincubator/ent/dialect/sql/sqlgraph"
	"github.com/facebookincubator/ent/entc/integration/migrate/entv1/predicate"
	"github.com/facebookincubator/ent/entc/integration/migrate/entv1/user"
	"github.com/facebookincubator/ent/schema/field"
)

// UserUpdate is the builder for updating User entities.
type UserUpdate struct {
	config
	age          *int32
	addage       *int32
	name         *string
	nickname     *string
	address      *string
	clearaddress bool
	renamed      *string
	clearrenamed bool
	blob         *[]byte
	clearblob    bool
	state        *user.State
	clearstate   bool
	predicates   []predicate.User
}

// Where adds a new predicate for the builder.
func (uu *UserUpdate) Where(ps ...predicate.User) *UserUpdate {
	uu.predicates = append(uu.predicates, ps...)
	return uu
}

// SetAge sets the age field.
func (uu *UserUpdate) SetAge(i int32) *UserUpdate {
	uu.age = &i
	uu.addage = nil
	return uu
}

// AddAge adds i to age.
func (uu *UserUpdate) AddAge(i int32) *UserUpdate {
	if uu.addage == nil {
		uu.addage = &i
	} else {
		*uu.addage += i
	}
	return uu
}

// SetName sets the name field.
func (uu *UserUpdate) SetName(s string) *UserUpdate {
	uu.name = &s
	return uu
}

// SetNickname sets the nickname field.
func (uu *UserUpdate) SetNickname(s string) *UserUpdate {
	uu.nickname = &s
	return uu
}

// SetAddress sets the address field.
func (uu *UserUpdate) SetAddress(s string) *UserUpdate {
	uu.address = &s
	return uu
}

// SetNillableAddress sets the address field if the given value is not nil.
func (uu *UserUpdate) SetNillableAddress(s *string) *UserUpdate {
	if s != nil {
		uu.SetAddress(*s)
	}
	return uu
}

// ClearAddress clears the value of address.
func (uu *UserUpdate) ClearAddress() *UserUpdate {
	uu.address = nil
	uu.clearaddress = true
	return uu
}

// SetRenamed sets the renamed field.
func (uu *UserUpdate) SetRenamed(s string) *UserUpdate {
	uu.renamed = &s
	return uu
}

// SetNillableRenamed sets the renamed field if the given value is not nil.
func (uu *UserUpdate) SetNillableRenamed(s *string) *UserUpdate {
	if s != nil {
		uu.SetRenamed(*s)
	}
	return uu
}

// ClearRenamed clears the value of renamed.
func (uu *UserUpdate) ClearRenamed() *UserUpdate {
	uu.renamed = nil
	uu.clearrenamed = true
	return uu
}

// SetBlob sets the blob field.
func (uu *UserUpdate) SetBlob(b []byte) *UserUpdate {
	uu.blob = &b
	return uu
}

// ClearBlob clears the value of blob.
func (uu *UserUpdate) ClearBlob() *UserUpdate {
	uu.blob = nil
	uu.clearblob = true
	return uu
}

// SetState sets the state field.
func (uu *UserUpdate) SetState(u user.State) *UserUpdate {
	uu.state = &u
	return uu
}

// SetNillableState sets the state field if the given value is not nil.
func (uu *UserUpdate) SetNillableState(u *user.State) *UserUpdate {
	if u != nil {
		uu.SetState(*u)
	}
	return uu
}

// ClearState clears the value of state.
func (uu *UserUpdate) ClearState() *UserUpdate {
	uu.state = nil
	uu.clearstate = true
	return uu
}

// Save executes the query and returns the number of rows/vertices matched by this operation.
func (uu *UserUpdate) Save(ctx context.Context) (int, error) {
	if uu.name != nil {
		if err := user.NameValidator(*uu.name); err != nil {
			return 0, fmt.Errorf("entv1: validator failed for field \"name\": %v", err)
		}
	}
	if uu.state != nil {
		if err := user.StateValidator(*uu.state); err != nil {
			return 0, fmt.Errorf("entv1: validator failed for field \"state\": %v", err)
		}
	}
	return uu.sqlSave(ctx)
}

// SaveX is like Save, but panics if an error occurs.
func (uu *UserUpdate) SaveX(ctx context.Context) int {
	affected, err := uu.Save(ctx)
	if err != nil {
		panic(err)
	}
	return affected
}

// Exec executes the query.
func (uu *UserUpdate) Exec(ctx context.Context) error {
	_, err := uu.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (uu *UserUpdate) ExecX(ctx context.Context) {
	if err := uu.Exec(ctx); err != nil {
		panic(err)
	}
}

func (uu *UserUpdate) sqlSave(ctx context.Context) (n int, err error) {
	spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   user.Table,
			Columns: user.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: user.FieldID,
			},
		},
	}
	if ps := uu.predicates; len(ps) > 0 {
		spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value := uu.age; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeInt32,
			Value:  *value,
			Column: user.FieldAge,
		})
	}
	if value := uu.addage; value != nil {
		spec.Fields.Add = append(spec.Fields.Add, &sqlgraph.FieldSpec{
			Type:   field.TypeInt32,
			Value:  *value,
			Column: user.FieldAge,
		})
	}
	if value := uu.name; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldName,
		})
	}
	if value := uu.nickname; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldNickname,
		})
	}
	if value := uu.address; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldAddress,
		})
	}
	if uu.clearaddress {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Column: user.FieldAddress,
		})
	}
	if value := uu.renamed; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldRenamed,
		})
	}
	if uu.clearrenamed {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Column: user.FieldRenamed,
		})
	}
	if value := uu.blob; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Value:  *value,
			Column: user.FieldBlob,
		})
	}
	if uu.clearblob {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Column: user.FieldBlob,
		})
	}
	if value := uu.state; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeEnum,
			Value:  *value,
			Column: user.FieldState,
		})
	}
	if uu.clearstate {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeEnum,
			Column: user.FieldState,
		})
	}
	if n, err = sqlgraph.UpdateNodes(ctx, uu.driver, spec); err != nil {
		if cerr, ok := isSQLConstraintError(err); ok {
			err = cerr
		}
		return 0, err
	}
	return n, nil
}

// UserUpdateOne is the builder for updating a single User entity.
type UserUpdateOne struct {
	config
	id           int
	age          *int32
	addage       *int32
	name         *string
	nickname     *string
	address      *string
	clearaddress bool
	renamed      *string
	clearrenamed bool
	blob         *[]byte
	clearblob    bool
	state        *user.State
	clearstate   bool
}

// SetAge sets the age field.
func (uuo *UserUpdateOne) SetAge(i int32) *UserUpdateOne {
	uuo.age = &i
	uuo.addage = nil
	return uuo
}

// AddAge adds i to age.
func (uuo *UserUpdateOne) AddAge(i int32) *UserUpdateOne {
	if uuo.addage == nil {
		uuo.addage = &i
	} else {
		*uuo.addage += i
	}
	return uuo
}

// SetName sets the name field.
func (uuo *UserUpdateOne) SetName(s string) *UserUpdateOne {
	uuo.name = &s
	return uuo
}

// SetNickname sets the nickname field.
func (uuo *UserUpdateOne) SetNickname(s string) *UserUpdateOne {
	uuo.nickname = &s
	return uuo
}

// SetAddress sets the address field.
func (uuo *UserUpdateOne) SetAddress(s string) *UserUpdateOne {
	uuo.address = &s
	return uuo
}

// SetNillableAddress sets the address field if the given value is not nil.
func (uuo *UserUpdateOne) SetNillableAddress(s *string) *UserUpdateOne {
	if s != nil {
		uuo.SetAddress(*s)
	}
	return uuo
}

// ClearAddress clears the value of address.
func (uuo *UserUpdateOne) ClearAddress() *UserUpdateOne {
	uuo.address = nil
	uuo.clearaddress = true
	return uuo
}

// SetRenamed sets the renamed field.
func (uuo *UserUpdateOne) SetRenamed(s string) *UserUpdateOne {
	uuo.renamed = &s
	return uuo
}

// SetNillableRenamed sets the renamed field if the given value is not nil.
func (uuo *UserUpdateOne) SetNillableRenamed(s *string) *UserUpdateOne {
	if s != nil {
		uuo.SetRenamed(*s)
	}
	return uuo
}

// ClearRenamed clears the value of renamed.
func (uuo *UserUpdateOne) ClearRenamed() *UserUpdateOne {
	uuo.renamed = nil
	uuo.clearrenamed = true
	return uuo
}

// SetBlob sets the blob field.
func (uuo *UserUpdateOne) SetBlob(b []byte) *UserUpdateOne {
	uuo.blob = &b
	return uuo
}

// ClearBlob clears the value of blob.
func (uuo *UserUpdateOne) ClearBlob() *UserUpdateOne {
	uuo.blob = nil
	uuo.clearblob = true
	return uuo
}

// SetState sets the state field.
func (uuo *UserUpdateOne) SetState(u user.State) *UserUpdateOne {
	uuo.state = &u
	return uuo
}

// SetNillableState sets the state field if the given value is not nil.
func (uuo *UserUpdateOne) SetNillableState(u *user.State) *UserUpdateOne {
	if u != nil {
		uuo.SetState(*u)
	}
	return uuo
}

// ClearState clears the value of state.
func (uuo *UserUpdateOne) ClearState() *UserUpdateOne {
	uuo.state = nil
	uuo.clearstate = true
	return uuo
}

// Save executes the query and returns the updated entity.
func (uuo *UserUpdateOne) Save(ctx context.Context) (*User, error) {
	if uuo.name != nil {
		if err := user.NameValidator(*uuo.name); err != nil {
			return nil, fmt.Errorf("entv1: validator failed for field \"name\": %v", err)
		}
	}
	if uuo.state != nil {
		if err := user.StateValidator(*uuo.state); err != nil {
			return nil, fmt.Errorf("entv1: validator failed for field \"state\": %v", err)
		}
	}
	return uuo.sqlSave(ctx)
}

// SaveX is like Save, but panics if an error occurs.
func (uuo *UserUpdateOne) SaveX(ctx context.Context) *User {
	u, err := uuo.Save(ctx)
	if err != nil {
		panic(err)
	}
	return u
}

// Exec executes the query on the entity.
func (uuo *UserUpdateOne) Exec(ctx context.Context) error {
	_, err := uuo.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (uuo *UserUpdateOne) ExecX(ctx context.Context) {
	if err := uuo.Exec(ctx); err != nil {
		panic(err)
	}
}

func (uuo *UserUpdateOne) sqlSave(ctx context.Context) (u *User, err error) {
	spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   user.Table,
			Columns: user.Columns,
			ID: &sqlgraph.FieldSpec{
				Value:  uuo.id,
				Type:   field.TypeInt,
				Column: user.FieldID,
			},
		},
	}
	if value := uuo.age; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeInt32,
			Value:  *value,
			Column: user.FieldAge,
		})
	}
	if value := uuo.addage; value != nil {
		spec.Fields.Add = append(spec.Fields.Add, &sqlgraph.FieldSpec{
			Type:   field.TypeInt32,
			Value:  *value,
			Column: user.FieldAge,
		})
	}
	if value := uuo.name; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldName,
		})
	}
	if value := uuo.nickname; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldNickname,
		})
	}
	if value := uuo.address; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldAddress,
		})
	}
	if uuo.clearaddress {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Column: user.FieldAddress,
		})
	}
	if value := uuo.renamed; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldRenamed,
		})
	}
	if uuo.clearrenamed {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Column: user.FieldRenamed,
		})
	}
	if value := uuo.blob; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Value:  *value,
			Column: user.FieldBlob,
		})
	}
	if uuo.clearblob {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Column: user.FieldBlob,
		})
	}
	if value := uuo.state; value != nil {
		spec.Fields.Set = append(spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeEnum,
			Value:  *value,
			Column: user.FieldState,
		})
	}
	if uuo.clearstate {
		spec.Fields.Clear = append(spec.Fields.Clear, &sqlgraph.FieldSpec{
			Type:   field.TypeEnum,
			Column: user.FieldState,
		})
	}
	u = &User{config: uuo.config}
	spec.Assign = u.assignValues
	spec.ScanValues = u.scanValues()
	if err = sqlgraph.UpdateNode(ctx, uuo.driver, spec); err != nil {
		if cerr, ok := isSQLConstraintError(err); ok {
			err = cerr
		}
		return nil, err
	}
	return u, nil
}