// 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 ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"

	"entgo.io/ent/dialect/gremlin"
	"entgo.io/ent/dialect/gremlin/graph/dsl"
	"entgo.io/ent/dialect/gremlin/graph/dsl/__"
	"entgo.io/ent/dialect/gremlin/graph/dsl/g"
	"entgo.io/ent/dialect/gremlin/graph/dsl/p"
	"entgo.io/ent/entc/integration/gremlin/ent/group"
	"entgo.io/ent/entc/integration/gremlin/ent/groupinfo"
)

// GroupInfoCreate is the builder for creating a GroupInfo entity.
type GroupInfoCreate struct {
	config
	mutation *GroupInfoMutation
	hooks    []Hook
}

// SetDesc sets the "desc" field.
func (_c *GroupInfoCreate) SetDesc(v string) *GroupInfoCreate {
	_c.mutation.SetDesc(v)
	return _c
}

// SetMaxUsers sets the "max_users" field.
func (_c *GroupInfoCreate) SetMaxUsers(v int) *GroupInfoCreate {
	_c.mutation.SetMaxUsers(v)
	return _c
}

// SetNillableMaxUsers sets the "max_users" field if the given value is not nil.
func (_c *GroupInfoCreate) SetNillableMaxUsers(v *int) *GroupInfoCreate {
	if v != nil {
		_c.SetMaxUsers(*v)
	}
	return _c
}

// AddGroupIDs adds the "groups" edge to the Group entity by IDs.
func (_c *GroupInfoCreate) AddGroupIDs(ids ...string) *GroupInfoCreate {
	_c.mutation.AddGroupIDs(ids...)
	return _c
}

// AddGroups adds the "groups" edges to the Group entity.
func (_c *GroupInfoCreate) AddGroups(v ...*Group) *GroupInfoCreate {
	ids := make([]string, len(v))
	for i := range v {
		ids[i] = v[i].ID
	}
	return _c.AddGroupIDs(ids...)
}

// Mutation returns the GroupInfoMutation object of the builder.
func (_c *GroupInfoCreate) Mutation() *GroupInfoMutation {
	return _c.mutation
}

// Save creates the GroupInfo in the database.
func (_c *GroupInfoCreate) Save(ctx context.Context) (*GroupInfo, error) {
	_c.defaults()
	return withHooks(ctx, _c.gremlinSave, _c.mutation, _c.hooks)
}

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

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

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

// defaults sets the default values of the builder before save.
func (_c *GroupInfoCreate) defaults() {
	if _, ok := _c.mutation.MaxUsers(); !ok {
		v := groupinfo.DefaultMaxUsers
		_c.mutation.SetMaxUsers(v)
	}
}

// check runs all checks and user-defined validators on the builder.
func (_c *GroupInfoCreate) check() error {
	if _, ok := _c.mutation.Desc(); !ok {
		return &ValidationError{Name: "desc", err: errors.New(`ent: missing required field "GroupInfo.desc"`)}
	}
	if _, ok := _c.mutation.MaxUsers(); !ok {
		return &ValidationError{Name: "max_users", err: errors.New(`ent: missing required field "GroupInfo.max_users"`)}
	}
	return nil
}

func (_c *GroupInfoCreate) gremlinSave(ctx context.Context) (*GroupInfo, error) {
	if err := _c.check(); err != nil {
		return nil, err
	}
	res := &gremlin.Response{}
	query, bindings := _c.gremlin().Query()
	if err := _c.driver.Exec(ctx, query, bindings, res); err != nil {
		return nil, err
	}
	if err, ok := isConstantError(res); ok {
		return nil, err
	}
	rnode := &GroupInfo{config: _c.config}
	if err := rnode.FromResponse(res); err != nil {
		return nil, err
	}
	_c.mutation.id = &rnode.ID
	_c.mutation.done = true
	return rnode, nil
}

func (_c *GroupInfoCreate) gremlin() *dsl.Traversal {
	type constraint struct {
		pred *dsl.Traversal // constraint predicate.
		test *dsl.Traversal // test matches and its constant.
	}
	constraints := make([]*constraint, 0, 1)
	v := g.AddV(groupinfo.Label)
	if value, ok := _c.mutation.Desc(); ok {
		v.Property(dsl.Single, groupinfo.FieldDesc, value)
	}
	if value, ok := _c.mutation.MaxUsers(); ok {
		v.Property(dsl.Single, groupinfo.FieldMaxUsers, value)
	}
	for _, id := range _c.mutation.GroupsIDs() {
		v.AddE(group.InfoLabel).From(g.V(id)).InV()
		constraints = append(constraints, &constraint{
			pred: g.E().HasLabel(group.InfoLabel).OutV().HasID(id).Count(),
			test: __.Is(p.NEQ(0)).Constant(NewErrUniqueEdge(groupinfo.Label, group.InfoLabel, id)),
		})
	}
	if len(constraints) == 0 {
		return v.ValueMap(true)
	}
	tr := constraints[0].pred.Coalesce(constraints[0].test, v.ValueMap(true))
	for _, cr := range constraints[1:] {
		tr = cr.pred.Coalesce(cr.test, tr)
	}
	return tr
}

// GroupInfoCreateBulk is the builder for creating many GroupInfo entities in bulk.
type GroupInfoCreateBulk struct {
	config
	err      error
	builders []*GroupInfoCreate
}