// 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 task

import (
	"context"
	"fmt"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/entc/integration/privacy/ent/predicate"
	"github.com/google/uuid"
)

// Mutation represents an operation that mutates the Task nodes in the graph.
type Mutation struct {
	op            ent.Op
	typ           string
	title         *string
	description   *string
	status        *Status
	uuid          *uuid.UUID
	clearedFields map[string]struct{}
	teams         map[int]struct{}
	removedteams  map[int]struct{}
	clearedteams  bool
	owner         *int
	clearedowner  bool
	predicates    []predicate.Task
}

// NewMutation creates a new Mutation for the Task entity.
func NewMutation(op ent.Op) *Mutation {
	return &Mutation{
		op:            op,
		typ:           "Task",
		clearedFields: make(map[string]struct{}),
	}
}

// Predicates returns the list of predicates set on the mutation.
func (m *Mutation) Predicates() []predicate.Task {
	return m.predicates
}

// SetTitle sets the "title" field.
func (m *Mutation) SetTitle(s string) {
	m.title = &s
}

// Title returns the value of the "title" field in the mutation.
func (m *Mutation) Title() (r string, exists bool) {
	v := m.title
	if v == nil {
		return
	}
	return *v, true
}

// ResetTitle resets all changes to the "title" field.
func (m *Mutation) ResetTitle() {
	m.title = nil
}

// SetDescription sets the "description" field.
func (m *Mutation) SetDescription(s string) {
	m.description = &s
}

// Description returns the value of the "description" field in the mutation.
func (m *Mutation) Description() (r string, exists bool) {
	v := m.description
	if v == nil {
		return
	}
	return *v, true
}

// ClearDescription clears the value of the "description" field.
func (m *Mutation) ClearDescription() {
	m.description = nil
	m.clearedFields[FieldDescription] = struct{}{}
}

// DescriptionCleared returns if the "description" field was cleared in this mutation.
func (m *Mutation) DescriptionCleared() bool {
	_, ok := m.clearedFields[FieldDescription]
	return ok
}

// ResetDescription resets all changes to the "description" field.
func (m *Mutation) ResetDescription() {
	m.description = nil
	delete(m.clearedFields, FieldDescription)
}

// SetStatus sets the "status" field.
func (m *Mutation) SetStatus(t Status) {
	m.status = &t
}

// Status returns the value of the "status" field in the mutation.
func (m *Mutation) Status() (r Status, exists bool) {
	v := m.status
	if v == nil {
		return
	}
	return *v, true
}

// ResetStatus resets all changes to the "status" field.
func (m *Mutation) ResetStatus() {
	m.status = nil
}

// SetUUID sets the "uuid" field.
func (m *Mutation) SetUUID(u uuid.UUID) {
	m.uuid = &u
}

// UUID returns the value of the "uuid" field in the mutation.
func (m *Mutation) UUID() (r uuid.UUID, exists bool) {
	v := m.uuid
	if v == nil {
		return
	}
	return *v, true
}

// ClearUUID clears the value of the "uuid" field.
func (m *Mutation) ClearUUID() {
	m.uuid = nil
	m.clearedFields[FieldUUID] = struct{}{}
}

// UUIDCleared returns if the "uuid" field was cleared in this mutation.
func (m *Mutation) UUIDCleared() bool {
	_, ok := m.clearedFields[FieldUUID]
	return ok
}

// ResetUUID resets all changes to the "uuid" field.
func (m *Mutation) ResetUUID() {
	m.uuid = nil
	delete(m.clearedFields, FieldUUID)
}

// AddTeamIDs adds the "teams" edge to the Team entity by ids.
func (m *Mutation) AddTeamIDs(ids ...int) {
	if m.teams == nil {
		m.teams = make(map[int]struct{})
	}
	for i := range ids {
		m.teams[ids[i]] = struct{}{}
	}
}

// ClearTeams clears the "teams" edge to the Team entity.
func (m *Mutation) ClearTeams() {
	m.clearedteams = true
}

// TeamsCleared reports if the "teams" edge to the Team entity was cleared.
func (m *Mutation) TeamsCleared() bool {
	return m.clearedteams
}

// RemoveTeamIDs removes the "teams" edge to the Team entity by IDs.
func (m *Mutation) RemoveTeamIDs(ids ...int) {
	if m.removedteams == nil {
		m.removedteams = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.teams, ids[i])
		m.removedteams[ids[i]] = struct{}{}
	}
}

// RemovedTeams returns the removed IDs of the "teams" edge to the Team entity.
func (m *Mutation) RemovedTeamsIDs() (ids []int) {
	for id := range m.removedteams {
		ids = append(ids, id)
	}
	return
}

// TeamsIDs returns the "teams" edge IDs in the mutation.
func (m *Mutation) TeamsIDs() (ids []int) {
	for id := range m.teams {
		ids = append(ids, id)
	}
	return
}

// ResetTeams resets all changes to the "teams" edge.
func (m *Mutation) ResetTeams() {
	m.teams = nil
	m.clearedteams = false
	m.removedteams = nil
}

// SetOwnerID sets the "owner" edge to the User entity by id.
func (m *Mutation) SetOwnerID(id int) {
	m.owner = &id
}

// ClearOwner clears the "owner" edge to the User entity.
func (m *Mutation) ClearOwner() {
	m.clearedowner = true
}

// OwnerCleared reports if the "owner" edge to the User entity was cleared.
func (m *Mutation) OwnerCleared() bool {
	return m.clearedowner
}

// OwnerID returns the "owner" edge ID in the mutation.
func (m *Mutation) OwnerID() (id int, exists bool) {
	if m.owner != nil {
		return *m.owner, true
	}
	return
}

// OwnerIDs returns the "owner" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// OwnerID instead. It exists only for internal usage by the builders.
func (m *Mutation) OwnerIDs() (ids []int) {
	if id := m.owner; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetOwner resets all changes to the "owner" edge.
func (m *Mutation) ResetOwner() {
	m.owner = nil
	m.clearedowner = false
}

// Where appends a list predicates to the Mutation builder.
func (m *Mutation) Where(ps ...predicate.Task) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the Mutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *Mutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Task, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *Mutation) Op() ent.Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *Mutation) SetOp(op ent.Op) {
	m.op = op
}

// Type returns the node type of this mutation (Task).
func (m *Mutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *Mutation) Fields() []string {
	fields := make([]string, 0, 4)
	if m.title != nil {
		fields = append(fields, FieldTitle)
	}
	if m.description != nil {
		fields = append(fields, FieldDescription)
	}
	if m.status != nil {
		fields = append(fields, FieldStatus)
	}
	if m.uuid != nil {
		fields = append(fields, FieldUUID)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *Mutation) Field(name string) (ent.Value, bool) {
	switch name {
	case FieldTitle:
		return m.Title()
	case FieldDescription:
		return m.Description()
	case FieldStatus:
		return m.Status()
	case FieldUUID:
		return m.UUID()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *Mutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	return nil, fmt.Errorf("unknown Task field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *Mutation) SetField(name string, value ent.Value) error {
	switch name {
	case FieldTitle:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetTitle(v)
		return nil
	case FieldDescription:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetDescription(v)
		return nil
	case FieldStatus:
		v, ok := value.(Status)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetStatus(v)
		return nil
	case FieldUUID:
		v, ok := value.(uuid.UUID)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUUID(v)
		return nil
	}
	return fmt.Errorf("unknown Task field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *Mutation) AddedFields() []string {
	return nil
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *Mutation) AddedField(name string) (ent.Value, bool) {
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *Mutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Task numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *Mutation) ClearedFields() []string {
	var fields []string
	if m.FieldCleared(FieldDescription) {
		fields = append(fields, FieldDescription)
	}
	if m.FieldCleared(FieldUUID) {
		fields = append(fields, FieldUUID)
	}
	return fields
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *Mutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *Mutation) ClearField(name string) error {
	switch name {
	case FieldDescription:
		m.ClearDescription()
		return nil
	case FieldUUID:
		m.ClearUUID()
		return nil
	}
	return fmt.Errorf("unknown Task nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *Mutation) ResetField(name string) error {
	switch name {
	case FieldTitle:
		m.ResetTitle()
		return nil
	case FieldDescription:
		m.ResetDescription()
		return nil
	case FieldStatus:
		m.ResetStatus()
		return nil
	case FieldUUID:
		m.ResetUUID()
		return nil
	}
	return fmt.Errorf("unknown Task field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *Mutation) AddedEdges() []string {
	edges := make([]string, 0, 2)
	if m.teams != nil {
		edges = append(edges, EdgeTeams)
	}
	if m.owner != nil {
		edges = append(edges, EdgeOwner)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *Mutation) AddedIDs(name string) []ent.Value {
	switch name {
	case EdgeTeams:
		ids := make([]ent.Value, 0, len(m.teams))
		for id := range m.teams {
			ids = append(ids, id)
		}
		return ids
	case EdgeOwner:
		if id := m.owner; id != nil {
			return []ent.Value{*id}
		}
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *Mutation) RemovedEdges() []string {
	edges := make([]string, 0, 2)
	if m.removedteams != nil {
		edges = append(edges, EdgeTeams)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *Mutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case EdgeTeams:
		ids := make([]ent.Value, 0, len(m.removedteams))
		for id := range m.removedteams {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *Mutation) ClearedEdges() []string {
	edges := make([]string, 0, 2)
	if m.clearedteams {
		edges = append(edges, EdgeTeams)
	}
	if m.clearedowner {
		edges = append(edges, EdgeOwner)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *Mutation) EdgeCleared(name string) bool {
	switch name {
	case EdgeTeams:
		return m.clearedteams
	case EdgeOwner:
		return m.clearedowner
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *Mutation) ClearEdge(name string) error {
	switch name {
	case EdgeOwner:
		m.ClearOwner()
		return nil
	}
	return fmt.Errorf("unknown Task unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *Mutation) ResetEdge(name string) error {
	switch name {
	case EdgeTeams:
		m.ResetTeams()
		return nil
	case EdgeOwner:
		m.ResetOwner()
		return nil
	}
	return fmt.Errorf("unknown Task edge %s", name)
}