// 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 versioned

import (
	"context"
	"errors"
	"fmt"
	"log"
	"reflect"

	"entgo.io/ent"
	"entgo.io/ent/entc/integration/multischema/versioned/migrate"

	"entgo.io/ent/dialect"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/entc/integration/multischema/versioned/friendship"
	"entgo.io/ent/entc/integration/multischema/versioned/group"
	"entgo.io/ent/entc/integration/multischema/versioned/pet"
	"entgo.io/ent/entc/integration/multischema/versioned/user"

	"entgo.io/ent/entc/integration/multischema/versioned/internal"
)

// Client is the client that holds all ent builders.
type Client struct {
	config
	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Friendship is the client for interacting with the Friendship builders.
	Friendship *FriendshipClient
	// Group is the client for interacting with the Group builders.
	Group *GroupClient
	// Pet is the client for interacting with the Pet builders.
	Pet *PetClient
	// User is the client for interacting with the User builders.
	User *UserClient
}

// NewClient creates a new client configured with the given options.
func NewClient(opts ...Option) *Client {
	client := &Client{config: newConfig(opts...)}
	client.init()
	return client
}

func (c *Client) init() {
	c.Schema = migrate.NewSchema(c.driver)
	c.Friendship = NewFriendshipClient(c.config)
	c.Group = NewGroupClient(c.config)
	c.Pet = NewPetClient(c.config)
	c.User = NewUserClient(c.config)
}

type (
	// config is the configuration for the client and its builder.
	config struct {
		// driver used for executing database requests.
		driver dialect.Driver
		// debug enable a debug logging.
		debug bool
		// log used for logging on debug mode.
		log func(...any)
		// hooks to execute on mutations.
		hooks *hooks
		// interceptors to execute on queries.
		inters *inters
		// schemaConfig contains alternative names for all tables.
		schemaConfig SchemaConfig
	}
	// Option function to configure the client.
	Option func(*config)
)

// newConfig creates a new config for the client.
func newConfig(opts ...Option) config {
	cfg := config{log: log.Println, hooks: &hooks{}, inters: &inters{}}
	cfg.schemaConfig = DefaultSchemaConfig
	cfg.options(opts...)
	return cfg
}

// options applies the options on the config object.
func (c *config) options(opts ...Option) {
	for _, opt := range opts {
		opt(c)
	}
	if c.debug {
		c.driver = dialect.Debug(c.driver, c.log)
	}
}

// Debug enables debug logging on the ent.Driver.
func Debug() Option {
	return func(c *config) {
		c.debug = true
	}
}

// Log sets the logging function for debug mode.
func Log(fn func(...any)) Option {
	return func(c *config) {
		c.log = fn
	}
}

// Driver configures the client driver.
func Driver(driver dialect.Driver) Option {
	return func(c *config) {
		c.driver = driver
	}
}

// Open opens a database/sql.DB specified by the driver name and
// the data source name, and returns a new client attached to it.
// Optional parameters can be added for configuring the client.
func Open(driverName, dataSourceName string, options ...Option) (*Client, error) {
	switch driverName {
	case dialect.MySQL, dialect.Postgres, dialect.SQLite:
		drv, err := sql.Open(driverName, dataSourceName)
		if err != nil {
			return nil, err
		}
		return NewClient(append(options, Driver(drv))...), nil
	default:
		return nil, fmt.Errorf("unsupported driver: %q", driverName)
	}
}

// ErrTxStarted is returned when trying to start a new transaction from a transactional client.
var ErrTxStarted = errors.New("versioned: cannot start a transaction within a transaction")

// Tx returns a new transactional client. The provided context
// is used until the transaction is committed or rolled back.
func (c *Client) Tx(ctx context.Context) (*Tx, error) {
	if _, ok := c.driver.(*txDriver); ok {
		return nil, ErrTxStarted
	}
	tx, err := newTx(ctx, c.driver)
	if err != nil {
		return nil, fmt.Errorf("versioned: starting a transaction: %w", err)
	}
	cfg := c.config
	cfg.driver = tx
	return &Tx{
		ctx:        ctx,
		config:     cfg,
		Friendship: NewFriendshipClient(cfg),
		Group:      NewGroupClient(cfg),
		Pet:        NewPetClient(cfg),
		User:       NewUserClient(cfg),
	}, nil
}

// BeginTx returns a transactional client with specified options.
func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
	if _, ok := c.driver.(*txDriver); ok {
		return nil, errors.New("ent: cannot start a transaction within a transaction")
	}
	tx, err := c.driver.(interface {
		BeginTx(context.Context, *sql.TxOptions) (dialect.Tx, error)
	}).BeginTx(ctx, opts)
	if err != nil {
		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
	}
	cfg := c.config
	cfg.driver = &txDriver{tx: tx, drv: c.driver}
	return &Tx{
		ctx:        ctx,
		config:     cfg,
		Friendship: NewFriendshipClient(cfg),
		Group:      NewGroupClient(cfg),
		Pet:        NewPetClient(cfg),
		User:       NewUserClient(cfg),
	}, nil
}

// Debug returns a new debug-client. It's used to get verbose logging on specific operations.
//
//	client.Debug().
//		Friendship.
//		Query().
//		Count(ctx)
func (c *Client) Debug() *Client {
	if c.debug {
		return c
	}
	cfg := c.config
	cfg.driver = dialect.Debug(c.driver, c.log)
	client := &Client{config: cfg}
	client.init()
	return client
}

// Close closes the database connection and prevents new queries from starting.
func (c *Client) Close() error {
	return c.driver.Close()
}

// Use adds the mutation hooks to all the entity clients.
// In order to add hooks to a specific client, call: `client.Node.Use(...)`.
func (c *Client) Use(hooks ...Hook) {
	c.Friendship.Use(hooks...)
	c.Group.Use(hooks...)
	c.Pet.Use(hooks...)
	c.User.Use(hooks...)
}

// Intercept adds the query interceptors to all the entity clients.
// In order to add interceptors to a specific client, call: `client.Node.Intercept(...)`.
func (c *Client) Intercept(interceptors ...Interceptor) {
	c.Friendship.Intercept(interceptors...)
	c.Group.Intercept(interceptors...)
	c.Pet.Intercept(interceptors...)
	c.User.Intercept(interceptors...)
}

// Mutate implements the ent.Mutator interface.
func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error) {
	switch m := m.(type) {
	case *FriendshipMutation:
		return c.Friendship.mutate(ctx, m)
	case *GroupMutation:
		return c.Group.mutate(ctx, m)
	case *PetMutation:
		return c.Pet.mutate(ctx, m)
	case *UserMutation:
		return c.User.mutate(ctx, m)
	default:
		return nil, fmt.Errorf("versioned: unknown mutation type %T", m)
	}
}

// FriendshipClient is a client for the Friendship schema.
type FriendshipClient struct {
	config
}

// NewFriendshipClient returns a client for the Friendship from the given config.
func NewFriendshipClient(c config) *FriendshipClient {
	return &FriendshipClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `friendship.Hooks(f(g(h())))`.
func (c *FriendshipClient) Use(hooks ...Hook) {
	c.hooks.Friendship = append(c.hooks.Friendship, hooks...)
}

// Intercept adds a list of query interceptors to the interceptors stack.
// A call to `Intercept(f, g, h)` equals to `friendship.Intercept(f(g(h())))`.
func (c *FriendshipClient) Intercept(interceptors ...Interceptor) {
	c.inters.Friendship = append(c.inters.Friendship, interceptors...)
}

// Create returns a builder for creating a Friendship entity.
func (c *FriendshipClient) Create() *FriendshipCreate {
	mutation := newFriendshipMutation(c.config, OpCreate)
	return &FriendshipCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Friendship entities.
func (c *FriendshipClient) CreateBulk(builders ...*FriendshipCreate) *FriendshipCreateBulk {
	return &FriendshipCreateBulk{config: c.config, builders: builders}
}

// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
// a builder and applies setFunc on it.
func (c *FriendshipClient) MapCreateBulk(slice any, setFunc func(*FriendshipCreate, int)) *FriendshipCreateBulk {
	rv := reflect.ValueOf(slice)
	if rv.Kind() != reflect.Slice {
		return &FriendshipCreateBulk{err: fmt.Errorf("calling to FriendshipClient.MapCreateBulk with wrong type %T, need slice", slice)}
	}
	builders := make([]*FriendshipCreate, rv.Len())
	for i := 0; i < rv.Len(); i++ {
		builders[i] = c.Create()
		setFunc(builders[i], i)
	}
	return &FriendshipCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Friendship.
func (c *FriendshipClient) Update() *FriendshipUpdate {
	mutation := newFriendshipMutation(c.config, OpUpdate)
	return &FriendshipUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *FriendshipClient) UpdateOne(_m *Friendship) *FriendshipUpdateOne {
	mutation := newFriendshipMutation(c.config, OpUpdateOne, withFriendship(_m))
	return &FriendshipUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *FriendshipClient) UpdateOneID(id int) *FriendshipUpdateOne {
	mutation := newFriendshipMutation(c.config, OpUpdateOne, withFriendshipID(id))
	return &FriendshipUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Friendship.
func (c *FriendshipClient) Delete() *FriendshipDelete {
	mutation := newFriendshipMutation(c.config, OpDelete)
	return &FriendshipDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *FriendshipClient) DeleteOne(_m *Friendship) *FriendshipDeleteOne {
	return c.DeleteOneID(_m.ID)
}

// DeleteOneID returns a builder for deleting the given entity by its id.
func (c *FriendshipClient) DeleteOneID(id int) *FriendshipDeleteOne {
	builder := c.Delete().Where(friendship.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &FriendshipDeleteOne{builder}
}

// Query returns a query builder for Friendship.
func (c *FriendshipClient) Query() *FriendshipQuery {
	return &FriendshipQuery{
		config: c.config,
		ctx:    &QueryContext{Type: TypeFriendship},
		inters: c.Interceptors(),
	}
}

// Get returns a Friendship entity by its id.
func (c *FriendshipClient) Get(ctx context.Context, id int) (*Friendship, error) {
	return c.Query().Where(friendship.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *FriendshipClient) GetX(ctx context.Context, id int) *Friendship {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryUser queries the user edge of a Friendship.
func (c *FriendshipClient) QueryUser(_m *Friendship) *UserQuery {
	query := (&UserClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(friendship.Table, friendship.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, false, friendship.UserTable, friendship.UserColumn),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.User
		step.Edge.Schema = schemaConfig.Friendship
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryFriend queries the friend edge of a Friendship.
func (c *FriendshipClient) QueryFriend(_m *Friendship) *UserQuery {
	query := (&UserClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(friendship.Table, friendship.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, false, friendship.FriendTable, friendship.FriendColumn),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.User
		step.Edge.Schema = schemaConfig.Friendship
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *FriendshipClient) Hooks() []Hook {
	return c.hooks.Friendship
}

// Interceptors returns the client interceptors.
func (c *FriendshipClient) Interceptors() []Interceptor {
	return c.inters.Friendship
}

func (c *FriendshipClient) mutate(ctx context.Context, m *FriendshipMutation) (Value, error) {
	switch m.Op() {
	case OpCreate:
		return (&FriendshipCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdate:
		return (&FriendshipUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdateOne:
		return (&FriendshipUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpDelete, OpDeleteOne:
		return (&FriendshipDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
	default:
		return nil, fmt.Errorf("versioned: unknown Friendship mutation op: %q", m.Op())
	}
}

// GroupClient is a client for the Group schema.
type GroupClient struct {
	config
}

// NewGroupClient returns a client for the Group from the given config.
func NewGroupClient(c config) *GroupClient {
	return &GroupClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `group.Hooks(f(g(h())))`.
func (c *GroupClient) Use(hooks ...Hook) {
	c.hooks.Group = append(c.hooks.Group, hooks...)
}

// Intercept adds a list of query interceptors to the interceptors stack.
// A call to `Intercept(f, g, h)` equals to `group.Intercept(f(g(h())))`.
func (c *GroupClient) Intercept(interceptors ...Interceptor) {
	c.inters.Group = append(c.inters.Group, interceptors...)
}

// Create returns a builder for creating a Group entity.
func (c *GroupClient) Create() *GroupCreate {
	mutation := newGroupMutation(c.config, OpCreate)
	return &GroupCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Group entities.
func (c *GroupClient) CreateBulk(builders ...*GroupCreate) *GroupCreateBulk {
	return &GroupCreateBulk{config: c.config, builders: builders}
}

// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
// a builder and applies setFunc on it.
func (c *GroupClient) MapCreateBulk(slice any, setFunc func(*GroupCreate, int)) *GroupCreateBulk {
	rv := reflect.ValueOf(slice)
	if rv.Kind() != reflect.Slice {
		return &GroupCreateBulk{err: fmt.Errorf("calling to GroupClient.MapCreateBulk with wrong type %T, need slice", slice)}
	}
	builders := make([]*GroupCreate, rv.Len())
	for i := 0; i < rv.Len(); i++ {
		builders[i] = c.Create()
		setFunc(builders[i], i)
	}
	return &GroupCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Group.
func (c *GroupClient) Update() *GroupUpdate {
	mutation := newGroupMutation(c.config, OpUpdate)
	return &GroupUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *GroupClient) UpdateOne(_m *Group) *GroupUpdateOne {
	mutation := newGroupMutation(c.config, OpUpdateOne, withGroup(_m))
	return &GroupUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *GroupClient) UpdateOneID(id int) *GroupUpdateOne {
	mutation := newGroupMutation(c.config, OpUpdateOne, withGroupID(id))
	return &GroupUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Group.
func (c *GroupClient) Delete() *GroupDelete {
	mutation := newGroupMutation(c.config, OpDelete)
	return &GroupDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *GroupClient) DeleteOne(_m *Group) *GroupDeleteOne {
	return c.DeleteOneID(_m.ID)
}

// DeleteOneID returns a builder for deleting the given entity by its id.
func (c *GroupClient) DeleteOneID(id int) *GroupDeleteOne {
	builder := c.Delete().Where(group.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &GroupDeleteOne{builder}
}

// Query returns a query builder for Group.
func (c *GroupClient) Query() *GroupQuery {
	return &GroupQuery{
		config: c.config,
		ctx:    &QueryContext{Type: TypeGroup},
		inters: c.Interceptors(),
	}
}

// Get returns a Group entity by its id.
func (c *GroupClient) Get(ctx context.Context, id int) (*Group, error) {
	return c.Query().Where(group.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *GroupClient) GetX(ctx context.Context, id int) *Group {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryUsers queries the users edge of a Group.
func (c *GroupClient) QueryUsers(_m *Group) *UserQuery {
	query := (&UserClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(group.Table, group.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2M, false, group.UsersTable, group.UsersPrimaryKey...),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.User
		step.Edge.Schema = schemaConfig.GroupUsers
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *GroupClient) Hooks() []Hook {
	return c.hooks.Group
}

// Interceptors returns the client interceptors.
func (c *GroupClient) Interceptors() []Interceptor {
	return c.inters.Group
}

func (c *GroupClient) mutate(ctx context.Context, m *GroupMutation) (Value, error) {
	switch m.Op() {
	case OpCreate:
		return (&GroupCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdate:
		return (&GroupUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdateOne:
		return (&GroupUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpDelete, OpDeleteOne:
		return (&GroupDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
	default:
		return nil, fmt.Errorf("versioned: unknown Group mutation op: %q", m.Op())
	}
}

// PetClient is a client for the Pet schema.
type PetClient struct {
	config
}

// NewPetClient returns a client for the Pet from the given config.
func NewPetClient(c config) *PetClient {
	return &PetClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `pet.Hooks(f(g(h())))`.
func (c *PetClient) Use(hooks ...Hook) {
	c.hooks.Pet = append(c.hooks.Pet, hooks...)
}

// Intercept adds a list of query interceptors to the interceptors stack.
// A call to `Intercept(f, g, h)` equals to `pet.Intercept(f(g(h())))`.
func (c *PetClient) Intercept(interceptors ...Interceptor) {
	c.inters.Pet = append(c.inters.Pet, interceptors...)
}

// Create returns a builder for creating a Pet entity.
func (c *PetClient) Create() *PetCreate {
	mutation := newPetMutation(c.config, OpCreate)
	return &PetCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Pet entities.
func (c *PetClient) CreateBulk(builders ...*PetCreate) *PetCreateBulk {
	return &PetCreateBulk{config: c.config, builders: builders}
}

// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
// a builder and applies setFunc on it.
func (c *PetClient) MapCreateBulk(slice any, setFunc func(*PetCreate, int)) *PetCreateBulk {
	rv := reflect.ValueOf(slice)
	if rv.Kind() != reflect.Slice {
		return &PetCreateBulk{err: fmt.Errorf("calling to PetClient.MapCreateBulk with wrong type %T, need slice", slice)}
	}
	builders := make([]*PetCreate, rv.Len())
	for i := 0; i < rv.Len(); i++ {
		builders[i] = c.Create()
		setFunc(builders[i], i)
	}
	return &PetCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Pet.
func (c *PetClient) Update() *PetUpdate {
	mutation := newPetMutation(c.config, OpUpdate)
	return &PetUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *PetClient) UpdateOne(_m *Pet) *PetUpdateOne {
	mutation := newPetMutation(c.config, OpUpdateOne, withPet(_m))
	return &PetUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *PetClient) UpdateOneID(id int) *PetUpdateOne {
	mutation := newPetMutation(c.config, OpUpdateOne, withPetID(id))
	return &PetUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Pet.
func (c *PetClient) Delete() *PetDelete {
	mutation := newPetMutation(c.config, OpDelete)
	return &PetDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *PetClient) DeleteOne(_m *Pet) *PetDeleteOne {
	return c.DeleteOneID(_m.ID)
}

// DeleteOneID returns a builder for deleting the given entity by its id.
func (c *PetClient) DeleteOneID(id int) *PetDeleteOne {
	builder := c.Delete().Where(pet.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &PetDeleteOne{builder}
}

// Query returns a query builder for Pet.
func (c *PetClient) Query() *PetQuery {
	return &PetQuery{
		config: c.config,
		ctx:    &QueryContext{Type: TypePet},
		inters: c.Interceptors(),
	}
}

// Get returns a Pet entity by its id.
func (c *PetClient) Get(ctx context.Context, id int) (*Pet, error) {
	return c.Query().Where(pet.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *PetClient) GetX(ctx context.Context, id int) *Pet {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryOwner queries the owner edge of a Pet.
func (c *PetClient) QueryOwner(_m *Pet) *UserQuery {
	query := (&UserClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(pet.Table, pet.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, pet.OwnerTable, pet.OwnerColumn),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.User
		step.Edge.Schema = schemaConfig.Pet
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *PetClient) Hooks() []Hook {
	return c.hooks.Pet
}

// Interceptors returns the client interceptors.
func (c *PetClient) Interceptors() []Interceptor {
	return c.inters.Pet
}

func (c *PetClient) mutate(ctx context.Context, m *PetMutation) (Value, error) {
	switch m.Op() {
	case OpCreate:
		return (&PetCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdate:
		return (&PetUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdateOne:
		return (&PetUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpDelete, OpDeleteOne:
		return (&PetDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
	default:
		return nil, fmt.Errorf("versioned: unknown Pet mutation op: %q", m.Op())
	}
}

// UserClient is a client for the User schema.
type UserClient struct {
	config
}

// NewUserClient returns a client for the User from the given config.
func NewUserClient(c config) *UserClient {
	return &UserClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `user.Hooks(f(g(h())))`.
func (c *UserClient) Use(hooks ...Hook) {
	c.hooks.User = append(c.hooks.User, hooks...)
}

// Intercept adds a list of query interceptors to the interceptors stack.
// A call to `Intercept(f, g, h)` equals to `user.Intercept(f(g(h())))`.
func (c *UserClient) Intercept(interceptors ...Interceptor) {
	c.inters.User = append(c.inters.User, interceptors...)
}

// Create returns a builder for creating a User entity.
func (c *UserClient) Create() *UserCreate {
	mutation := newUserMutation(c.config, OpCreate)
	return &UserCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of User entities.
func (c *UserClient) CreateBulk(builders ...*UserCreate) *UserCreateBulk {
	return &UserCreateBulk{config: c.config, builders: builders}
}

// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
// a builder and applies setFunc on it.
func (c *UserClient) MapCreateBulk(slice any, setFunc func(*UserCreate, int)) *UserCreateBulk {
	rv := reflect.ValueOf(slice)
	if rv.Kind() != reflect.Slice {
		return &UserCreateBulk{err: fmt.Errorf("calling to UserClient.MapCreateBulk with wrong type %T, need slice", slice)}
	}
	builders := make([]*UserCreate, rv.Len())
	for i := 0; i < rv.Len(); i++ {
		builders[i] = c.Create()
		setFunc(builders[i], i)
	}
	return &UserCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for User.
func (c *UserClient) Update() *UserUpdate {
	mutation := newUserMutation(c.config, OpUpdate)
	return &UserUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *UserClient) UpdateOne(_m *User) *UserUpdateOne {
	mutation := newUserMutation(c.config, OpUpdateOne, withUser(_m))
	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *UserClient) UpdateOneID(id int) *UserUpdateOne {
	mutation := newUserMutation(c.config, OpUpdateOne, withUserID(id))
	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for User.
func (c *UserClient) Delete() *UserDelete {
	mutation := newUserMutation(c.config, OpDelete)
	return &UserDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *UserClient) DeleteOne(_m *User) *UserDeleteOne {
	return c.DeleteOneID(_m.ID)
}

// DeleteOneID returns a builder for deleting the given entity by its id.
func (c *UserClient) DeleteOneID(id int) *UserDeleteOne {
	builder := c.Delete().Where(user.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &UserDeleteOne{builder}
}

// Query returns a query builder for User.
func (c *UserClient) Query() *UserQuery {
	return &UserQuery{
		config: c.config,
		ctx:    &QueryContext{Type: TypeUser},
		inters: c.Interceptors(),
	}
}

// Get returns a User entity by its id.
func (c *UserClient) Get(ctx context.Context, id int) (*User, error) {
	return c.Query().Where(user.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *UserClient) GetX(ctx context.Context, id int) *User {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryPets queries the pets edge of a User.
func (c *UserClient) QueryPets(_m *User) *PetQuery {
	query := (&PetClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(pet.Table, pet.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, user.PetsTable, user.PetsColumn),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.Pet
		step.Edge.Schema = schemaConfig.Pet
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryGroups queries the groups edge of a User.
func (c *UserClient) QueryGroups(_m *User) *GroupQuery {
	query := (&GroupClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(group.Table, group.FieldID),
			sqlgraph.Edge(sqlgraph.M2M, true, user.GroupsTable, user.GroupsPrimaryKey...),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.Group
		step.Edge.Schema = schemaConfig.GroupUsers
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryFriends queries the friends edge of a User.
func (c *UserClient) QueryFriends(_m *User) *UserQuery {
	query := (&UserClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2M, false, user.FriendsTable, user.FriendsPrimaryKey...),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.User
		step.Edge.Schema = schemaConfig.Friendship
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryFollowers queries the followers edge of a User.
func (c *UserClient) QueryFollowers(_m *User) *UserQuery {
	query := (&UserClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2M, true, user.FollowersTable, user.FollowersPrimaryKey...),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.User
		step.Edge.Schema = schemaConfig.UserFollowing
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryFollowing queries the following edge of a User.
func (c *UserClient) QueryFollowing(_m *User) *UserQuery {
	query := (&UserClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2M, false, user.FollowingTable, user.FollowingPrimaryKey...),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.User
		step.Edge.Schema = schemaConfig.UserFollowing
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryFriendships queries the friendships edge of a User.
func (c *UserClient) QueryFriendships(_m *User) *FriendshipQuery {
	query := (&FriendshipClient{config: c.config}).Query()
	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
		id := _m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(friendship.Table, friendship.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, true, user.FriendshipsTable, user.FriendshipsColumn),
		)
		schemaConfig := _m.schemaConfig
		step.To.Schema = schemaConfig.Friendship
		step.Edge.Schema = schemaConfig.Friendship
		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *UserClient) Hooks() []Hook {
	return c.hooks.User
}

// Interceptors returns the client interceptors.
func (c *UserClient) Interceptors() []Interceptor {
	return c.inters.User
}

func (c *UserClient) mutate(ctx context.Context, m *UserMutation) (Value, error) {
	switch m.Op() {
	case OpCreate:
		return (&UserCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdate:
		return (&UserUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpUpdateOne:
		return (&UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
	case OpDelete, OpDeleteOne:
		return (&UserDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
	default:
		return nil, fmt.Errorf("versioned: unknown User mutation op: %q", m.Op())
	}
}

// hooks and interceptors per client, for fast access.
type (
	hooks struct {
		Friendship, Group, Pet, User []ent.Hook
	}
	inters struct {
		Friendship, Group, Pet, User []ent.Interceptor
	}
)

var (
	// DefaultSchemaConfig represents the default schema names for all tables as defined in ent/schema.
	DefaultSchemaConfig = SchemaConfig{
		Friendship:    tableSchemas[0],
		Group:         tableSchemas[0],
		GroupUsers:    tableSchemas[0],
		Pet:           tableSchemas[1],
		User:          tableSchemas[2],
		UserFollowing: tableSchemas[2],
	}
	tableSchemas = [...]string{"db1", "db2", "db3"}
)

// SchemaConfig represents alternative schema names for all tables
// that can be passed at runtime.
type SchemaConfig = internal.SchemaConfig

// AlternateSchemas allows alternate schema names to be
// passed into ent operations.
func AlternateSchema(schemaConfig SchemaConfig) Option {
	return func(c *config) {
		c.schemaConfig = schemaConfig
	}
}