// 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"
	"errors"
	"fmt"

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

// UserCreate is the builder for creating a User entity.
type UserCreate struct {
	config
	age      *int32
	name     *string
	nickname *string
	address  *string
	renamed  *string
	blob     *[]byte
	state    *user.State
	parent   map[int]struct{}
	children map[int]struct{}
	spouse   map[int]struct{}
	car      map[int]struct{}
}

// SetAge sets the age field.
func (uc *UserCreate) SetAge(i int32) *UserCreate {
	uc.age = &i
	return uc
}

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

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

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

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

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

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

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

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

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

// SetParentID sets the parent edge to User by id.
func (uc *UserCreate) SetParentID(id int) *UserCreate {
	if uc.parent == nil {
		uc.parent = make(map[int]struct{})
	}
	uc.parent[id] = struct{}{}
	return uc
}

// SetNillableParentID sets the parent edge to User by id if the given value is not nil.
func (uc *UserCreate) SetNillableParentID(id *int) *UserCreate {
	if id != nil {
		uc = uc.SetParentID(*id)
	}
	return uc
}

// SetParent sets the parent edge to User.
func (uc *UserCreate) SetParent(u *User) *UserCreate {
	return uc.SetParentID(u.ID)
}

// AddChildIDs adds the children edge to User by ids.
func (uc *UserCreate) AddChildIDs(ids ...int) *UserCreate {
	if uc.children == nil {
		uc.children = make(map[int]struct{})
	}
	for i := range ids {
		uc.children[ids[i]] = struct{}{}
	}
	return uc
}

// AddChildren adds the children edges to User.
func (uc *UserCreate) AddChildren(u ...*User) *UserCreate {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return uc.AddChildIDs(ids...)
}

// SetSpouseID sets the spouse edge to User by id.
func (uc *UserCreate) SetSpouseID(id int) *UserCreate {
	if uc.spouse == nil {
		uc.spouse = make(map[int]struct{})
	}
	uc.spouse[id] = struct{}{}
	return uc
}

// SetNillableSpouseID sets the spouse edge to User by id if the given value is not nil.
func (uc *UserCreate) SetNillableSpouseID(id *int) *UserCreate {
	if id != nil {
		uc = uc.SetSpouseID(*id)
	}
	return uc
}

// SetSpouse sets the spouse edge to User.
func (uc *UserCreate) SetSpouse(u *User) *UserCreate {
	return uc.SetSpouseID(u.ID)
}

// SetCarID sets the car edge to Car by id.
func (uc *UserCreate) SetCarID(id int) *UserCreate {
	if uc.car == nil {
		uc.car = make(map[int]struct{})
	}
	uc.car[id] = struct{}{}
	return uc
}

// SetNillableCarID sets the car edge to Car by id if the given value is not nil.
func (uc *UserCreate) SetNillableCarID(id *int) *UserCreate {
	if id != nil {
		uc = uc.SetCarID(*id)
	}
	return uc
}

// SetCar sets the car edge to Car.
func (uc *UserCreate) SetCar(c *Car) *UserCreate {
	return uc.SetCarID(c.ID)
}

// Save creates the User in the database.
func (uc *UserCreate) Save(ctx context.Context) (*User, error) {
	if uc.age == nil {
		return nil, errors.New("entv1: missing required field \"age\"")
	}
	if uc.name == nil {
		return nil, errors.New("entv1: missing required field \"name\"")
	}
	if err := user.NameValidator(*uc.name); err != nil {
		return nil, fmt.Errorf("entv1: validator failed for field \"name\": %v", err)
	}
	if uc.nickname == nil {
		return nil, errors.New("entv1: missing required field \"nickname\"")
	}
	if uc.state != nil {
		if err := user.StateValidator(*uc.state); err != nil {
			return nil, fmt.Errorf("entv1: validator failed for field \"state\": %v", err)
		}
	}
	if len(uc.parent) > 1 {
		return nil, errors.New("entv1: multiple assignments on a unique edge \"parent\"")
	}
	if len(uc.spouse) > 1 {
		return nil, errors.New("entv1: multiple assignments on a unique edge \"spouse\"")
	}
	if len(uc.car) > 1 {
		return nil, errors.New("entv1: multiple assignments on a unique edge \"car\"")
	}
	return uc.sqlSave(ctx)
}

// SaveX calls Save and panics if Save returns an error.
func (uc *UserCreate) SaveX(ctx context.Context) *User {
	v, err := uc.Save(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

func (uc *UserCreate) sqlSave(ctx context.Context) (*User, error) {
	var (
		u    = &User{config: uc.config}
		spec = &sqlgraph.CreateSpec{
			Table: user.Table,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: user.FieldID,
			},
		}
	)
	if value := uc.age; value != nil {
		spec.Fields = append(spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeInt32,
			Value:  *value,
			Column: user.FieldAge,
		})
		u.Age = *value
	}
	if value := uc.name; value != nil {
		spec.Fields = append(spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldName,
		})
		u.Name = *value
	}
	if value := uc.nickname; value != nil {
		spec.Fields = append(spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldNickname,
		})
		u.Nickname = *value
	}
	if value := uc.address; value != nil {
		spec.Fields = append(spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldAddress,
		})
		u.Address = *value
	}
	if value := uc.renamed; value != nil {
		spec.Fields = append(spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  *value,
			Column: user.FieldRenamed,
		})
		u.Renamed = *value
	}
	if value := uc.blob; value != nil {
		spec.Fields = append(spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Value:  *value,
			Column: user.FieldBlob,
		})
		u.Blob = *value
	}
	if value := uc.state; value != nil {
		spec.Fields = append(spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeEnum,
			Value:  *value,
			Column: user.FieldState,
		})
		u.State = *value
	}
	if nodes := uc.parent; len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   user.ParentTable,
			Columns: []string{user.ParentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: user.FieldID,
				},
			},
		}
		for k, _ := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		spec.Edges = append(spec.Edges, edge)
	}
	if nodes := uc.children; len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: false,
			Table:   user.ChildrenTable,
			Columns: []string{user.ChildrenColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: user.FieldID,
				},
			},
		}
		for k, _ := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		spec.Edges = append(spec.Edges, edge)
	}
	if nodes := uc.spouse; len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2O,
			Inverse: false,
			Table:   user.SpouseTable,
			Columns: []string{user.SpouseColumn},
			Bidi:    true,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: user.FieldID,
				},
			},
		}
		for k, _ := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		spec.Edges = append(spec.Edges, edge)
	}
	if nodes := uc.car; len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2O,
			Inverse: false,
			Table:   user.CarTable,
			Columns: []string{user.CarColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: car.FieldID,
				},
			},
		}
		for k, _ := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		spec.Edges = append(spec.Edges, edge)
	}
	if err := sqlgraph.CreateNode(ctx, uc.driver, spec); err != nil {
		if cerr, ok := isSQLConstraintError(err); ok {
			err = cerr
		}
		return nil, err
	}
	id := spec.ID.Value.(int64)
	u.ID = int(id)
	return u, nil
}