// 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 (
	"fmt"
	"strings"

	"github.com/facebook/ent/dialect/gremlin"
	"github.com/facebook/ent/entc/integration/gremlin/ent/filetype"
	"github.com/facebook/ent/entc/integration/gremlin/ent/user"
)

// File is the model entity for the File schema.
type File struct {
	config `json:"-"`
	// ID of the ent.
	ID string `json:"id,omitempty"`
	// Size holds the value of the "size" field.
	Size int `json:"size,omitempty"`
	// Name holds the value of the "name" field.
	Name string `json:"name,omitempty"`
	// User holds the value of the "user" field.
	User *string `json:"user,omitempty"`
	// Group holds the value of the "group" field.
	Group string `json:"group,omitempty"`
	// Op holds the value of the "op" field.
	Op bool `json:"op,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the FileQuery when eager-loading is set.
	Edges FileEdges `json:"edges"`
}

// FileEdges holds the relations/edges for other nodes in the graph.
type FileEdges struct {
	// Owner holds the value of the owner edge.
	Owner *User
	// Type holds the value of the type edge.
	Type *FileType
	// Field holds the value of the field edge.
	Field []*FieldType
	// loadedTypes holds the information for reporting if a
	// type was loaded (or requested) in eager-loading or not.
	loadedTypes [3]bool
}

// OwnerOrErr returns the Owner value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e FileEdges) OwnerOrErr() (*User, error) {
	if e.loadedTypes[0] {
		if e.Owner == nil {
			// The edge owner was loaded in eager-loading,
			// but was not found.
			return nil, &NotFoundError{label: user.Label}
		}
		return e.Owner, nil
	}
	return nil, &NotLoadedError{edge: "owner"}
}

// TypeOrErr returns the Type value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e FileEdges) TypeOrErr() (*FileType, error) {
	if e.loadedTypes[1] {
		if e.Type == nil {
			// The edge type was loaded in eager-loading,
			// but was not found.
			return nil, &NotFoundError{label: filetype.Label}
		}
		return e.Type, nil
	}
	return nil, &NotLoadedError{edge: "type"}
}

// FieldOrErr returns the Field value or an error if the edge
// was not loaded in eager-loading.
func (e FileEdges) FieldOrErr() ([]*FieldType, error) {
	if e.loadedTypes[2] {
		return e.Field, nil
	}
	return nil, &NotLoadedError{edge: "field"}
}

// FromResponse scans the gremlin response data into File.
func (f *File) FromResponse(res *gremlin.Response) error {
	vmap, err := res.ReadValueMap()
	if err != nil {
		return err
	}
	var scanf struct {
		ID    string  `json:"id,omitempty"`
		Size  int     `json:"fsize,omitempty"`
		Name  string  `json:"name,omitempty"`
		User  *string `json:"user,omitempty"`
		Group string  `json:"group,omitempty"`
		Op    bool    `json:"op,omitempty"`
	}
	if err := vmap.Decode(&scanf); err != nil {
		return err
	}
	f.ID = scanf.ID
	f.Size = scanf.Size
	f.Name = scanf.Name
	f.User = scanf.User
	f.Group = scanf.Group
	f.Op = scanf.Op
	return nil
}

// QueryOwner queries the "owner" edge of the File entity.
func (f *File) QueryOwner() *UserQuery {
	return (&FileClient{config: f.config}).QueryOwner(f)
}

// QueryType queries the "type" edge of the File entity.
func (f *File) QueryType() *FileTypeQuery {
	return (&FileClient{config: f.config}).QueryType(f)
}

// QueryField queries the "field" edge of the File entity.
func (f *File) QueryField() *FieldTypeQuery {
	return (&FileClient{config: f.config}).QueryField(f)
}

// Update returns a builder for updating this File.
// Note that you need to call File.Unwrap() before calling this method if this File
// was returned from a transaction, and the transaction was committed or rolled back.
func (f *File) Update() *FileUpdateOne {
	return (&FileClient{config: f.config}).UpdateOne(f)
}

// Unwrap unwraps the File entity that was returned from a transaction after it was closed,
// so that all future queries will be executed through the driver which created the transaction.
func (f *File) Unwrap() *File {
	tx, ok := f.config.driver.(*txDriver)
	if !ok {
		panic("ent: File is not a transactional entity")
	}
	f.config.driver = tx.drv
	return f
}

// String implements the fmt.Stringer.
func (f *File) String() string {
	var builder strings.Builder
	builder.WriteString("File(")
	builder.WriteString(fmt.Sprintf("id=%v", f.ID))
	builder.WriteString(", size=")
	builder.WriteString(fmt.Sprintf("%v", f.Size))
	builder.WriteString(", name=")
	builder.WriteString(f.Name)
	if v := f.User; v != nil {
		builder.WriteString(", user=")
		builder.WriteString(*v)
	}
	builder.WriteString(", group=")
	builder.WriteString(f.Group)
	builder.WriteString(", op=")
	builder.WriteString(fmt.Sprintf("%v", f.Op))
	builder.WriteByte(')')
	return builder.String()
}

// Files is a parsable slice of File.
type Files []*File

// FromResponse scans the gremlin response data into Files.
func (f *Files) FromResponse(res *gremlin.Response) error {
	vmap, err := res.ReadValueMap()
	if err != nil {
		return err
	}
	var scanf []struct {
		ID    string  `json:"id,omitempty"`
		Size  int     `json:"fsize,omitempty"`
		Name  string  `json:"name,omitempty"`
		User  *string `json:"user,omitempty"`
		Group string  `json:"group,omitempty"`
		Op    bool    `json:"op,omitempty"`
	}
	if err := vmap.Decode(&scanf); err != nil {
		return err
	}
	for _, v := range scanf {
		*f = append(*f, &File{
			ID:    v.ID,
			Size:  v.Size,
			Name:  v.Name,
			User:  v.User,
			Group: v.Group,
			Op:    v.Op,
		})
	}
	return nil
}

func (f Files) config(cfg config) {
	for _i := range f {
		f[_i].config = cfg
	}
}