// 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 entv2

import (
	"context"
	"errors"
	"fmt"

	"github.com/facebookincubator/ent/dialect/sql/sqlgraph"
	"github.com/facebookincubator/ent/entc/integration/migrate/entv2/car"
	"github.com/facebookincubator/ent/entc/integration/migrate/entv2/pet"
	"github.com/facebookincubator/ent/entc/integration/migrate/entv2/user"
	"github.com/facebookincubator/ent/schema/field"
)

// UserCreate is the builder for creating a User entity.
type UserCreate struct {
	config
	mutation *UserMutation
	hooks    []Hook
}

// SetAge sets the age field.
func (uc *UserCreate) SetAge(i int) *UserCreate {
	uc.mutation.SetAge(i)
	return uc
}

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

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

// SetPhone sets the phone field.
func (uc *UserCreate) SetPhone(s string) *UserCreate {
	uc.mutation.SetPhone(s)
	return uc
}

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

// SetBuffer sets the buffer field.
func (uc *UserCreate) SetBuffer(b []byte) *UserCreate {
	uc.mutation.SetBuffer(b)
	return uc
}

// SetTitle sets the title field.
func (uc *UserCreate) SetTitle(s string) *UserCreate {
	uc.mutation.SetTitle(s)
	return uc
}

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

// SetNewName sets the new_name field.
func (uc *UserCreate) SetNewName(s string) *UserCreate {
	uc.mutation.SetNewName(s)
	return uc
}

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

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

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

// SetStatus sets the status field.
func (uc *UserCreate) SetStatus(u user.Status) *UserCreate {
	uc.mutation.SetStatus(u)
	return uc
}

// SetNillableStatus sets the status field if the given value is not nil.
func (uc *UserCreate) SetNillableStatus(u *user.Status) *UserCreate {
	if u != nil {
		uc.SetStatus(*u)
	}
	return uc
}

// SetID sets the id field.
func (uc *UserCreate) SetID(i int) *UserCreate {
	uc.mutation.SetID(i)
	return uc
}

// AddCarIDs adds the car edge to Car by ids.
func (uc *UserCreate) AddCarIDs(ids ...int) *UserCreate {
	uc.mutation.AddCarIDs(ids...)
	return uc
}

// AddCar adds the car edges to Car.
func (uc *UserCreate) AddCar(c ...*Car) *UserCreate {
	ids := make([]int, len(c))
	for i := range c {
		ids[i] = c[i].ID
	}
	return uc.AddCarIDs(ids...)
}

// SetPetsID sets the pets edge to Pet by id.
func (uc *UserCreate) SetPetsID(id int) *UserCreate {
	uc.mutation.SetPetsID(id)
	return uc
}

// SetNillablePetsID sets the pets edge to Pet by id if the given value is not nil.
func (uc *UserCreate) SetNillablePetsID(id *int) *UserCreate {
	if id != nil {
		uc = uc.SetPetsID(*id)
	}
	return uc
}

// SetPets sets the pets edge to Pet.
func (uc *UserCreate) SetPets(p *Pet) *UserCreate {
	return uc.SetPetsID(p.ID)
}

// AddFriendIDs adds the friends edge to User by ids.
func (uc *UserCreate) AddFriendIDs(ids ...int) *UserCreate {
	uc.mutation.AddFriendIDs(ids...)
	return uc
}

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

// Mutation returns the UserMutation object of the builder.
func (uc *UserCreate) Mutation() *UserMutation {
	return uc.mutation
}

// Save creates the User in the database.
func (uc *UserCreate) Save(ctx context.Context) (*User, error) {
	if _, ok := uc.mutation.Age(); !ok {
		return nil, &ValidationError{Name: "age", err: errors.New("entv2: missing required field \"age\"")}
	}
	if _, ok := uc.mutation.Name(); !ok {
		return nil, &ValidationError{Name: "name", err: errors.New("entv2: missing required field \"name\"")}
	}
	if _, ok := uc.mutation.Nickname(); !ok {
		return nil, &ValidationError{Name: "nickname", err: errors.New("entv2: missing required field \"nickname\"")}
	}
	if _, ok := uc.mutation.Phone(); !ok {
		v := user.DefaultPhone
		uc.mutation.SetPhone(v)
	}
	if _, ok := uc.mutation.Title(); !ok {
		v := user.DefaultTitle
		uc.mutation.SetTitle(v)
	}
	if v, ok := uc.mutation.State(); ok {
		if err := user.StateValidator(v); err != nil {
			return nil, &ValidationError{Name: "state", err: fmt.Errorf("entv2: validator failed for field \"state\": %w", err)}
		}
	}
	if v, ok := uc.mutation.Status(); ok {
		if err := user.StatusValidator(v); err != nil {
			return nil, &ValidationError{Name: "status", err: fmt.Errorf("entv2: validator failed for field \"status\": %w", err)}
		}
	}
	var (
		err  error
		node *User
	)
	if len(uc.hooks) == 0 {
		node, err = uc.sqlSave(ctx)
	} else {
		var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
			mutation, ok := m.(*UserMutation)
			if !ok {
				return nil, fmt.Errorf("unexpected mutation type %T", m)
			}
			uc.mutation = mutation
			node, err = uc.sqlSave(ctx)
			mutation.done = true
			return node, err
		})
		for i := len(uc.hooks) - 1; i >= 0; i-- {
			mut = uc.hooks[i](mut)
		}
		if _, err := mut.Mutate(ctx, uc.mutation); err != nil {
			return nil, err
		}
	}
	return node, err
}

// 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 id, ok := uc.mutation.ID(); ok {
		u.ID = id
		_spec.ID.Value = id
	}
	if value, ok := uc.mutation.Age(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeInt,
			Value:  value,
			Column: user.FieldAge,
		})
		u.Age = value
	}
	if value, ok := uc.mutation.Name(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: user.FieldName,
		})
		u.Name = value
	}
	if value, ok := uc.mutation.Nickname(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: user.FieldNickname,
		})
		u.Nickname = value
	}
	if value, ok := uc.mutation.Phone(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: user.FieldPhone,
		})
		u.Phone = value
	}
	if value, ok := uc.mutation.Buffer(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Value:  value,
			Column: user.FieldBuffer,
		})
		u.Buffer = value
	}
	if value, ok := uc.mutation.Title(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: user.FieldTitle,
		})
		u.Title = value
	}
	if value, ok := uc.mutation.NewName(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeString,
			Value:  value,
			Column: user.FieldNewName,
		})
		u.NewName = value
	}
	if value, ok := uc.mutation.Blob(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Value:  value,
			Column: user.FieldBlob,
		})
		u.Blob = value
	}
	if value, ok := uc.mutation.State(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeEnum,
			Value:  value,
			Column: user.FieldState,
		})
		u.State = value
	}
	if value, ok := uc.mutation.Status(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeEnum,
			Value:  value,
			Column: user.FieldStatus,
		})
		u.Status = value
	}
	if nodes := uc.mutation.CarIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			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 nodes := uc.mutation.PetsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2O,
			Inverse: false,
			Table:   user.PetsTable,
			Columns: []string{user.PetsColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: pet.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges = append(_spec.Edges, edge)
	}
	if nodes := uc.mutation.FriendsIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: false,
			Table:   user.FriendsTable,
			Columns: user.FriendsPrimaryKey,
			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 err := sqlgraph.CreateNode(ctx, uc.driver, _spec); err != nil {
		if cerr, ok := isSQLConstraintError(err); ok {
			err = cerr
		}
		return nil, err
	}
	if u.ID == 0 {
		id := _spec.ID.Value.(int64)
		u.ID = int(id)
	}
	return u, nil
}