// 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 enttask

import (
	"context"
	"fmt"
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/entc/integration/ent/predicate"
	"entgo.io/ent/entc/integration/ent/schema/task"
)

// Mutation represents an operation that mutates the Task nodes in the graph.
type Mutation struct {
	op              ent.Op
	typ             string
	priority        *task.Priority
	addpriority     *task.Priority
	priorities      *map[string]task.Priority
	created_at      *time.Time
	name            *string
	owner           *string
	_order          *int
	add_order       *int
	order_option    *int
	addorder_option *int
	_op             *string
	clearedFields   map[string]struct{}
	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
}

// SetPriority sets the "priority" field.
func (m *Mutation) SetPriority(t task.Priority) {
	m.priority = &t
	m.addpriority = nil
}

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

// AddPriority adds t to the "priority" field.
func (m *Mutation) AddPriority(t task.Priority) {
	if m.addpriority != nil {
		*m.addpriority += t
	} else {
		m.addpriority = &t
	}
}

// AddedPriority returns the value that was added to the "priority" field in this mutation.
func (m *Mutation) AddedPriority() (r task.Priority, exists bool) {
	v := m.addpriority
	if v == nil {
		return
	}
	return *v, true
}

// ResetPriority resets all changes to the "priority" field.
func (m *Mutation) ResetPriority() {
	m.priority = nil
	m.addpriority = nil
}

// SetPriorities sets the "priorities" field.
func (m *Mutation) SetPriorities(value map[string]task.Priority) {
	m.priorities = &value
}

// Priorities returns the value of the "priorities" field in the mutation.
func (m *Mutation) Priorities() (r map[string]task.Priority, exists bool) {
	v := m.priorities
	if v == nil {
		return
	}
	return *v, true
}

// ClearPriorities clears the value of the "priorities" field.
func (m *Mutation) ClearPriorities() {
	m.priorities = nil
	m.clearedFields[FieldPriorities] = struct{}{}
}

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

// ResetPriorities resets all changes to the "priorities" field.
func (m *Mutation) ResetPriorities() {
	m.priorities = nil
	delete(m.clearedFields, FieldPriorities)
}

// SetCreatedAt sets the "created_at" field.
func (m *Mutation) SetCreatedAt(t time.Time) {
	m.created_at = &t
}

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

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

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

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

// ClearName clears the value of the "name" field.
func (m *Mutation) ClearName() {
	m.name = nil
	m.clearedFields[FieldName] = struct{}{}
}

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

// ResetName resets all changes to the "name" field.
func (m *Mutation) ResetName() {
	m.name = nil
	delete(m.clearedFields, FieldName)
}

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

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

// ClearOwner clears the value of the "owner" field.
func (m *Mutation) ClearOwner() {
	m.owner = nil
	m.clearedFields[FieldOwner] = struct{}{}
}

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

// ResetOwner resets all changes to the "owner" field.
func (m *Mutation) ResetOwner() {
	m.owner = nil
	delete(m.clearedFields, FieldOwner)
}

// SetOrder sets the "order" field.
func (m *Mutation) SetOrder(i int) {
	m._order = &i
	m.add_order = nil
}

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

// AddOrder adds i to the "order" field.
func (m *Mutation) AddOrder(i int) {
	if m.add_order != nil {
		*m.add_order += i
	} else {
		m.add_order = &i
	}
}

// AddedOrder returns the value that was added to the "order" field in this mutation.
func (m *Mutation) AddedOrder() (r int, exists bool) {
	v := m.add_order
	if v == nil {
		return
	}
	return *v, true
}

// ClearOrder clears the value of the "order" field.
func (m *Mutation) ClearOrder() {
	m._order = nil
	m.add_order = nil
	m.clearedFields[FieldOrder] = struct{}{}
}

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

// ResetOrder resets all changes to the "order" field.
func (m *Mutation) ResetOrder() {
	m._order = nil
	m.add_order = nil
	delete(m.clearedFields, FieldOrder)
}

// SetOrderOption sets the "order_option" field.
func (m *Mutation) SetOrderOption(i int) {
	m.order_option = &i
	m.addorder_option = nil
}

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

// AddOrderOption adds i to the "order_option" field.
func (m *Mutation) AddOrderOption(i int) {
	if m.addorder_option != nil {
		*m.addorder_option += i
	} else {
		m.addorder_option = &i
	}
}

// AddedOrderOption returns the value that was added to the "order_option" field in this mutation.
func (m *Mutation) AddedOrderOption() (r int, exists bool) {
	v := m.addorder_option
	if v == nil {
		return
	}
	return *v, true
}

// ClearOrderOption clears the value of the "order_option" field.
func (m *Mutation) ClearOrderOption() {
	m.order_option = nil
	m.addorder_option = nil
	m.clearedFields[FieldOrderOption] = struct{}{}
}

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

// ResetOrderOption resets all changes to the "order_option" field.
func (m *Mutation) ResetOrderOption() {
	m.order_option = nil
	m.addorder_option = nil
	delete(m.clearedFields, FieldOrderOption)
}

// SetOpField sets the "op" field.
func (m *Mutation) SetOpField(s string) {
	m._op = &s
}

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

// ResetOp resets all changes to the "op" field.
func (m *Mutation) ResetOp() {
	m._op = nil
}

// 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, 8)
	if m.priority != nil {
		fields = append(fields, FieldPriority)
	}
	if m.priorities != nil {
		fields = append(fields, FieldPriorities)
	}
	if m.created_at != nil {
		fields = append(fields, FieldCreatedAt)
	}
	if m.name != nil {
		fields = append(fields, FieldName)
	}
	if m.owner != nil {
		fields = append(fields, FieldOwner)
	}
	if m._order != nil {
		fields = append(fields, FieldOrder)
	}
	if m.order_option != nil {
		fields = append(fields, FieldOrderOption)
	}
	if m._op != nil {
		fields = append(fields, FieldOp)
	}
	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 FieldPriority:
		return m.Priority()
	case FieldPriorities:
		return m.Priorities()
	case FieldCreatedAt:
		return m.CreatedAt()
	case FieldName:
		return m.Name()
	case FieldOwner:
		return m.Owner()
	case FieldOrder:
		return m.Order()
	case FieldOrderOption:
		return m.OrderOption()
	case FieldOp:
		return m.GetOp()
	}
	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 FieldPriority:
		v, ok := value.(task.Priority)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetPriority(v)
		return nil
	case FieldPriorities:
		v, ok := value.(map[string]task.Priority)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetPriorities(v)
		return nil
	case FieldCreatedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCreatedAt(v)
		return nil
	case FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	case FieldOwner:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetOwner(v)
		return nil
	case FieldOrder:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetOrder(v)
		return nil
	case FieldOrderOption:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetOrderOption(v)
		return nil
	case FieldOp:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetOpField(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 {
	var fields []string
	if m.addpriority != nil {
		fields = append(fields, FieldPriority)
	}
	if m.add_order != nil {
		fields = append(fields, FieldOrder)
	}
	if m.addorder_option != nil {
		fields = append(fields, FieldOrderOption)
	}
	return fields
}

// 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) {
	switch name {
	case FieldPriority:
		return m.AddedPriority()
	case FieldOrder:
		return m.AddedOrder()
	case FieldOrderOption:
		return m.AddedOrderOption()
	}
	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 {
	case FieldPriority:
		v, ok := value.(task.Priority)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddPriority(v)
		return nil
	case FieldOrder:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddOrder(v)
		return nil
	case FieldOrderOption:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddOrderOption(v)
		return nil
	}
	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(FieldPriorities) {
		fields = append(fields, FieldPriorities)
	}
	if m.FieldCleared(FieldName) {
		fields = append(fields, FieldName)
	}
	if m.FieldCleared(FieldOwner) {
		fields = append(fields, FieldOwner)
	}
	if m.FieldCleared(FieldOrder) {
		fields = append(fields, FieldOrder)
	}
	if m.FieldCleared(FieldOrderOption) {
		fields = append(fields, FieldOrderOption)
	}
	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 FieldPriorities:
		m.ClearPriorities()
		return nil
	case FieldName:
		m.ClearName()
		return nil
	case FieldOwner:
		m.ClearOwner()
		return nil
	case FieldOrder:
		m.ClearOrder()
		return nil
	case FieldOrderOption:
		m.ClearOrderOption()
		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 FieldPriority:
		m.ResetPriority()
		return nil
	case FieldPriorities:
		m.ResetPriorities()
		return nil
	case FieldCreatedAt:
		m.ResetCreatedAt()
		return nil
	case FieldName:
		m.ResetName()
		return nil
	case FieldOwner:
		m.ResetOwner()
		return nil
	case FieldOrder:
		m.ResetOrder()
		return nil
	case FieldOrderOption:
		m.ResetOrderOption()
		return nil
	case FieldOp:
		m.ResetOp()
		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, 0)
	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 {
	return nil
}

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

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *Mutation) ClearedEdges() []string {
	edges := make([]string, 0, 0)
	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 {
	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 {
	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 {
	return fmt.Errorf("unknown Task edge %s", name)
}