// Copyright 2019-present Facebook Inc. 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 ent

import (
	"context"
	"errors"
	"fmt"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/entc/integration/ent/node"
	"entgo.io/ent/schema/field"
)

// NodeCreate is the builder for creating a Node entity.
type NodeCreate struct {
	config
	mutation *NodeMutation
	hooks    []Hook
	conflict []sql.ConflictOption
}

// SetValue sets the "value" field.
func (nc *NodeCreate) SetValue(i int) *NodeCreate {
	nc.mutation.SetValue(i)
	return nc
}

// SetNillableValue sets the "value" field if the given value is not nil.
func (nc *NodeCreate) SetNillableValue(i *int) *NodeCreate {
	if i != nil {
		nc.SetValue(*i)
	}
	return nc
}

// SetPrevID sets the "prev" edge to the Node entity by ID.
func (nc *NodeCreate) SetPrevID(id int) *NodeCreate {
	nc.mutation.SetPrevID(id)
	return nc
}

// SetNillablePrevID sets the "prev" edge to the Node entity by ID if the given value is not nil.
func (nc *NodeCreate) SetNillablePrevID(id *int) *NodeCreate {
	if id != nil {
		nc = nc.SetPrevID(*id)
	}
	return nc
}

// SetPrev sets the "prev" edge to the Node entity.
func (nc *NodeCreate) SetPrev(n *Node) *NodeCreate {
	return nc.SetPrevID(n.ID)
}

// SetNextID sets the "next" edge to the Node entity by ID.
func (nc *NodeCreate) SetNextID(id int) *NodeCreate {
	nc.mutation.SetNextID(id)
	return nc
}

// SetNillableNextID sets the "next" edge to the Node entity by ID if the given value is not nil.
func (nc *NodeCreate) SetNillableNextID(id *int) *NodeCreate {
	if id != nil {
		nc = nc.SetNextID(*id)
	}
	return nc
}

// SetNext sets the "next" edge to the Node entity.
func (nc *NodeCreate) SetNext(n *Node) *NodeCreate {
	return nc.SetNextID(n.ID)
}

// Mutation returns the NodeMutation object of the builder.
func (nc *NodeCreate) Mutation() *NodeMutation {
	return nc.mutation
}

// Save creates the Node in the database.
func (nc *NodeCreate) Save(ctx context.Context) (*Node, error) {
	var (
		err  error
		node *Node
	)
	if len(nc.hooks) == 0 {
		if err = nc.check(); err != nil {
			return nil, err
		}
		node, err = nc.sqlSave(ctx)
	} else {
		var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
			mutation, ok := m.(*NodeMutation)
			if !ok {
				return nil, fmt.Errorf("unexpected mutation type %T", m)
			}
			if err = nc.check(); err != nil {
				return nil, err
			}
			nc.mutation = mutation
			if node, err = nc.sqlSave(ctx); err != nil {
				return nil, err
			}
			mutation.id = &node.ID
			mutation.done = true
			return node, err
		})
		for i := len(nc.hooks) - 1; i >= 0; i-- {
			if nc.hooks[i] == nil {
				return nil, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
			}
			mut = nc.hooks[i](mut)
		}
		if _, err := mut.Mutate(ctx, nc.mutation); err != nil {
			return nil, err
		}
	}
	return node, err
}

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

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

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

// check runs all checks and user-defined validators on the builder.
func (nc *NodeCreate) check() error {
	return nil
}

func (nc *NodeCreate) sqlSave(ctx context.Context) (*Node, error) {
	_node, _spec := nc.createSpec()
	if err := sqlgraph.CreateNode(ctx, nc.driver, _spec); err != nil {
		if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{err.Error(), err}
		}
		return nil, err
	}
	id := _spec.ID.Value.(int64)
	_node.ID = int(id)
	return _node, nil
}

func (nc *NodeCreate) createSpec() (*Node, *sqlgraph.CreateSpec) {
	var (
		_node = &Node{config: nc.config}
		_spec = &sqlgraph.CreateSpec{
			Table: node.Table,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: node.FieldID,
			},
		}
	)
	_spec.OnConflict = nc.conflict
	if value, ok := nc.mutation.Value(); ok {
		_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
			Type:   field.TypeInt,
			Value:  value,
			Column: node.FieldValue,
		})
		_node.Value = value
	}
	if nodes := nc.mutation.PrevIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2O,
			Inverse: true,
			Table:   node.PrevTable,
			Columns: []string{node.PrevColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: node.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_node.node_next = &nodes[0]
		_spec.Edges = append(_spec.Edges, edge)
	}
	if nodes := nc.mutation.NextIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2O,
			Inverse: false,
			Table:   node.NextTable,
			Columns: []string{node.NextColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: node.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges = append(_spec.Edges, edge)
	}
	return _node, _spec
}

// OnConflict allows configuring the `ON CONFLICT` / `ON DUPLICATE KEY` clause
// of the `INSERT` statement. For example:
//
//	client.Node.Create().
//		SetValue(v).
//		OnConflict(
//			// Update the row with the new values
//			// the was proposed for insertion.
//			sql.ResolveWithNewValues(),
//		).
//		// Override some of the fields with custom
//		// update values.
//		Update(func(u *ent.NodeUpsert) {
//			SetValue(v+v).
//		}).
//		Exec(ctx)
//
func (nc *NodeCreate) OnConflict(opts ...sql.ConflictOption) *NodeUpsertOne {
	nc.conflict = opts
	return &NodeUpsertOne{
		create: nc,
	}
}

// OnConflictColumns calls `OnConflict` and configures the columns
// as conflict target. Using this option is equivalent to using:
//
//	client.Node.Create().
//		OnConflict(sql.ConflictColumns(columns...)).
//		Exec(ctx)
//
func (nc *NodeCreate) OnConflictColumns(columns ...string) *NodeUpsertOne {
	nc.conflict = append(nc.conflict, sql.ConflictColumns(columns...))
	return &NodeUpsertOne{
		create: nc,
	}
}

type (
	// NodeUpsertOne is the builder for "upsert"-ing
	//  one Node node.
	NodeUpsertOne struct {
		create *NodeCreate
	}

	// NodeUpsert is the "OnConflict" setter.
	NodeUpsert struct {
		*sql.UpdateSet
	}
)

// SetValue sets the "value" field.
func (u *NodeUpsert) SetValue(v int) *NodeUpsert {
	u.Set(node.FieldValue, v)
	return u
}

// UpdateValue sets the "value" field to the value that was provided on create.
func (u *NodeUpsert) UpdateValue() *NodeUpsert {
	u.SetExcluded(node.FieldValue)
	return u
}

// AddValue adds v to the "value" field.
func (u *NodeUpsert) AddValue(v int) *NodeUpsert {
	u.Add(node.FieldValue, v)
	return u
}

// ClearValue clears the value of the "value" field.
func (u *NodeUpsert) ClearValue() *NodeUpsert {
	u.SetNull(node.FieldValue)
	return u
}

// UpdateNewValues updates the mutable fields using the new values that were set on create.
// Using this option is equivalent to using:
//
//	client.Node.Create().
//		OnConflict(
//			sql.ResolveWithNewValues(),
//		).
//		Exec(ctx)
//
func (u *NodeUpsertOne) UpdateNewValues() *NodeUpsertOne {
	u.create.conflict = append(u.create.conflict, sql.ResolveWithNewValues())
	return u
}

// Ignore sets each column to itself in case of conflict.
// Using this option is equivalent to using:
//
//  client.Node.Create().
//      OnConflict(sql.ResolveWithIgnore()).
//      Exec(ctx)
//
func (u *NodeUpsertOne) Ignore() *NodeUpsertOne {
	u.create.conflict = append(u.create.conflict, sql.ResolveWithIgnore())
	return u
}

// DoNothing configures the conflict_action to `DO NOTHING`.
// Supported only by SQLite and PostgreSQL.
func (u *NodeUpsertOne) DoNothing() *NodeUpsertOne {
	u.create.conflict = append(u.create.conflict, sql.DoNothing())
	return u
}

// Update allows overriding fields `UPDATE` values. See the NodeCreate.OnConflict
// documentation for more info.
func (u *NodeUpsertOne) Update(set func(*NodeUpsert)) *NodeUpsertOne {
	u.create.conflict = append(u.create.conflict, sql.ResolveWith(func(update *sql.UpdateSet) {
		set(&NodeUpsert{UpdateSet: update})
	}))
	return u
}

// SetValue sets the "value" field.
func (u *NodeUpsertOne) SetValue(v int) *NodeUpsertOne {
	return u.Update(func(s *NodeUpsert) {
		s.SetValue(v)
	})
}

// AddValue adds v to the "value" field.
func (u *NodeUpsertOne) AddValue(v int) *NodeUpsertOne {
	return u.Update(func(s *NodeUpsert) {
		s.AddValue(v)
	})
}

// UpdateValue sets the "value" field to the value that was provided on create.
func (u *NodeUpsertOne) UpdateValue() *NodeUpsertOne {
	return u.Update(func(s *NodeUpsert) {
		s.UpdateValue()
	})
}

// ClearValue clears the value of the "value" field.
func (u *NodeUpsertOne) ClearValue() *NodeUpsertOne {
	return u.Update(func(s *NodeUpsert) {
		s.ClearValue()
	})
}

// Exec executes the query.
func (u *NodeUpsertOne) Exec(ctx context.Context) error {
	if len(u.create.conflict) == 0 {
		return errors.New("ent: missing options for NodeCreate.OnConflict")
	}
	return u.create.Exec(ctx)
}

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

// Exec executes the UPSERT query and returns the inserted/updated ID.
func (u *NodeUpsertOne) ID(ctx context.Context) (id int, err error) {
	node, err := u.create.Save(ctx)
	if err != nil {
		return id, err
	}
	return node.ID, nil
}

// IDX is like ID, but panics if an error occurs.
func (u *NodeUpsertOne) IDX(ctx context.Context) int {
	id, err := u.ID(ctx)
	if err != nil {
		panic(err)
	}
	return id
}

// NodeCreateBulk is the builder for creating many Node entities in bulk.
type NodeCreateBulk struct {
	config
	builders []*NodeCreate
	conflict []sql.ConflictOption
}

// Save creates the Node entities in the database.
func (ncb *NodeCreateBulk) Save(ctx context.Context) ([]*Node, error) {
	specs := make([]*sqlgraph.CreateSpec, len(ncb.builders))
	nodes := make([]*Node, len(ncb.builders))
	mutators := make([]Mutator, len(ncb.builders))
	for i := range ncb.builders {
		func(i int, root context.Context) {
			builder := ncb.builders[i]
			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
				mutation, ok := m.(*NodeMutation)
				if !ok {
					return nil, fmt.Errorf("unexpected mutation type %T", m)
				}
				if err := builder.check(); err != nil {
					return nil, err
				}
				builder.mutation = mutation
				nodes[i], specs[i] = builder.createSpec()
				var err error
				if i < len(mutators)-1 {
					_, err = mutators[i+1].Mutate(root, ncb.builders[i+1].mutation)
				} else {
					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
					spec.OnConflict = ncb.conflict
					// Invoke the actual operation on the latest mutation in the chain.
					if err = sqlgraph.BatchCreate(ctx, ncb.driver, spec); err != nil {
						if sqlgraph.IsConstraintError(err) {
							err = &ConstraintError{err.Error(), err}
						}
					}
				}
				if err != nil {
					return nil, err
				}
				mutation.id = &nodes[i].ID
				mutation.done = true
				if specs[i].ID.Value != nil {
					id := specs[i].ID.Value.(int64)
					nodes[i].ID = int(id)
				}
				return nodes[i], nil
			})
			for i := len(builder.hooks) - 1; i >= 0; i-- {
				mut = builder.hooks[i](mut)
			}
			mutators[i] = mut
		}(i, ctx)
	}
	if len(mutators) > 0 {
		if _, err := mutators[0].Mutate(ctx, ncb.builders[0].mutation); err != nil {
			return nil, err
		}
	}
	return nodes, nil
}

// SaveX is like Save, but panics if an error occurs.
func (ncb *NodeCreateBulk) SaveX(ctx context.Context) []*Node {
	v, err := ncb.Save(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

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

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

// OnConflict allows configuring the `ON CONFLICT` / `ON DUPLICATE KEY` clause
// of the `INSERT` statement. For example:
//
//	client.Node.CreateBulk(builders...).
//		OnConflict(
//			// Update the row with the new values
//			// the was proposed for insertion.
//			sql.ResolveWithNewValues(),
//		).
//		// Override some of the fields with custom
//		// update values.
//		Update(func(u *ent.NodeUpsert) {
//			SetValue(v+v).
//		}).
//		Exec(ctx)
//
func (ncb *NodeCreateBulk) OnConflict(opts ...sql.ConflictOption) *NodeUpsertBulk {
	ncb.conflict = opts
	return &NodeUpsertBulk{
		create: ncb,
	}
}

// OnConflictColumns calls `OnConflict` and configures the columns
// as conflict target. Using this option is equivalent to using:
//
//	client.Node.Create().
//		OnConflict(sql.ConflictColumns(columns...)).
//		Exec(ctx)
//
func (ncb *NodeCreateBulk) OnConflictColumns(columns ...string) *NodeUpsertBulk {
	ncb.conflict = append(ncb.conflict, sql.ConflictColumns(columns...))
	return &NodeUpsertBulk{
		create: ncb,
	}
}

// NodeUpsertBulk is the builder for "upsert"-ing
// a bulk of Node nodes.
type NodeUpsertBulk struct {
	create *NodeCreateBulk
}

// UpdateNewValues updates the mutable fields using the new values that
// were set on create. Using this option is equivalent to using:
//
//	client.Node.Create().
//		OnConflict(
//			sql.ResolveWithNewValues(),
//		).
//		Exec(ctx)
//
func (u *NodeUpsertBulk) UpdateNewValues() *NodeUpsertBulk {
	u.create.conflict = append(u.create.conflict, sql.ResolveWithNewValues())
	return u
}

// Ignore sets each column to itself in case of conflict.
// Using this option is equivalent to using:
//
//	client.Node.Create().
//		OnConflict(sql.ResolveWithIgnore()).
//		Exec(ctx)
//
func (u *NodeUpsertBulk) Ignore() *NodeUpsertBulk {
	u.create.conflict = append(u.create.conflict, sql.ResolveWithIgnore())
	return u
}

// DoNothing configures the conflict_action to `DO NOTHING`.
// Supported only by SQLite and PostgreSQL.
func (u *NodeUpsertBulk) DoNothing() *NodeUpsertBulk {
	u.create.conflict = append(u.create.conflict, sql.DoNothing())
	return u
}

// Update allows overriding fields `UPDATE` values. See the NodeCreateBulk.OnConflict
// documentation for more info.
func (u *NodeUpsertBulk) Update(set func(*NodeUpsert)) *NodeUpsertBulk {
	u.create.conflict = append(u.create.conflict, sql.ResolveWith(func(update *sql.UpdateSet) {
		set(&NodeUpsert{UpdateSet: update})
	}))
	return u
}

// SetValue sets the "value" field.
func (u *NodeUpsertBulk) SetValue(v int) *NodeUpsertBulk {
	return u.Update(func(s *NodeUpsert) {
		s.SetValue(v)
	})
}

// AddValue adds v to the "value" field.
func (u *NodeUpsertBulk) AddValue(v int) *NodeUpsertBulk {
	return u.Update(func(s *NodeUpsert) {
		s.AddValue(v)
	})
}

// UpdateValue sets the "value" field to the value that was provided on create.
func (u *NodeUpsertBulk) UpdateValue() *NodeUpsertBulk {
	return u.Update(func(s *NodeUpsert) {
		s.UpdateValue()
	})
}

// ClearValue clears the value of the "value" field.
func (u *NodeUpsertBulk) ClearValue() *NodeUpsertBulk {
	return u.Update(func(s *NodeUpsert) {
		s.ClearValue()
	})
}

// Exec executes the query.
func (u *NodeUpsertBulk) Exec(ctx context.Context) error {
	for i, b := range u.create.builders {
		if len(b.conflict) != 0 {
			return fmt.Errorf("ent: OnConflict was set for builder %d. Set it on the NodeCreateBulk instead", i)
		}
	}
	if len(u.create.conflict) == 0 {
		return errors.New("ent: missing options for NodeCreateBulk.OnConflict")
	}
	return u.create.Exec(ctx)
}

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