// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"
	"time"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
	"github.com/google/uuid"
	"github.com/hay-kot/content/backend/ent/document"
	"github.com/hay-kot/content/backend/ent/documenttoken"
	"github.com/hay-kot/content/backend/ent/predicate"
)

// DocumentTokenUpdate is the builder for updating DocumentToken entities.
type DocumentTokenUpdate struct {
	config
	hooks    []Hook
	mutation *DocumentTokenMutation
}

// Where appends a list predicates to the DocumentTokenUpdate builder.
func (dtu *DocumentTokenUpdate) Where(ps ...predicate.DocumentToken) *DocumentTokenUpdate {
	dtu.mutation.Where(ps...)
	return dtu
}

// SetUpdatedAt sets the "updated_at" field.
func (dtu *DocumentTokenUpdate) SetUpdatedAt(t time.Time) *DocumentTokenUpdate {
	dtu.mutation.SetUpdatedAt(t)
	return dtu
}

// SetToken sets the "token" field.
func (dtu *DocumentTokenUpdate) SetToken(b []byte) *DocumentTokenUpdate {
	dtu.mutation.SetToken(b)
	return dtu
}

// SetUses sets the "uses" field.
func (dtu *DocumentTokenUpdate) SetUses(i int) *DocumentTokenUpdate {
	dtu.mutation.ResetUses()
	dtu.mutation.SetUses(i)
	return dtu
}

// SetNillableUses sets the "uses" field if the given value is not nil.
func (dtu *DocumentTokenUpdate) SetNillableUses(i *int) *DocumentTokenUpdate {
	if i != nil {
		dtu.SetUses(*i)
	}
	return dtu
}

// AddUses adds i to the "uses" field.
func (dtu *DocumentTokenUpdate) AddUses(i int) *DocumentTokenUpdate {
	dtu.mutation.AddUses(i)
	return dtu
}

// SetExpiresAt sets the "expires_at" field.
func (dtu *DocumentTokenUpdate) SetExpiresAt(t time.Time) *DocumentTokenUpdate {
	dtu.mutation.SetExpiresAt(t)
	return dtu
}

// SetNillableExpiresAt sets the "expires_at" field if the given value is not nil.
func (dtu *DocumentTokenUpdate) SetNillableExpiresAt(t *time.Time) *DocumentTokenUpdate {
	if t != nil {
		dtu.SetExpiresAt(*t)
	}
	return dtu
}

// SetDocumentID sets the "document" edge to the Document entity by ID.
func (dtu *DocumentTokenUpdate) SetDocumentID(id uuid.UUID) *DocumentTokenUpdate {
	dtu.mutation.SetDocumentID(id)
	return dtu
}

// SetNillableDocumentID sets the "document" edge to the Document entity by ID if the given value is not nil.
func (dtu *DocumentTokenUpdate) SetNillableDocumentID(id *uuid.UUID) *DocumentTokenUpdate {
	if id != nil {
		dtu = dtu.SetDocumentID(*id)
	}
	return dtu
}

// SetDocument sets the "document" edge to the Document entity.
func (dtu *DocumentTokenUpdate) SetDocument(d *Document) *DocumentTokenUpdate {
	return dtu.SetDocumentID(d.ID)
}

// Mutation returns the DocumentTokenMutation object of the builder.
func (dtu *DocumentTokenUpdate) Mutation() *DocumentTokenMutation {
	return dtu.mutation
}

// ClearDocument clears the "document" edge to the Document entity.
func (dtu *DocumentTokenUpdate) ClearDocument() *DocumentTokenUpdate {
	dtu.mutation.ClearDocument()
	return dtu
}

// Save executes the query and returns the number of nodes affected by the update operation.
func (dtu *DocumentTokenUpdate) Save(ctx context.Context) (int, error) {
	var (
		err      error
		affected int
	)
	dtu.defaults()
	if len(dtu.hooks) == 0 {
		if err = dtu.check(); err != nil {
			return 0, err
		}
		affected, err = dtu.sqlSave(ctx)
	} else {
		var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
			mutation, ok := m.(*DocumentTokenMutation)
			if !ok {
				return nil, fmt.Errorf("unexpected mutation type %T", m)
			}
			if err = dtu.check(); err != nil {
				return 0, err
			}
			dtu.mutation = mutation
			affected, err = dtu.sqlSave(ctx)
			mutation.done = true
			return affected, err
		})
		for i := len(dtu.hooks) - 1; i >= 0; i-- {
			if dtu.hooks[i] == nil {
				return 0, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
			}
			mut = dtu.hooks[i](mut)
		}
		if _, err := mut.Mutate(ctx, dtu.mutation); err != nil {
			return 0, err
		}
	}
	return affected, err
}

// SaveX is like Save, but panics if an error occurs.
func (dtu *DocumentTokenUpdate) SaveX(ctx context.Context) int {
	affected, err := dtu.Save(ctx)
	if err != nil {
		panic(err)
	}
	return affected
}

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

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

// defaults sets the default values of the builder before save.
func (dtu *DocumentTokenUpdate) defaults() {
	if _, ok := dtu.mutation.UpdatedAt(); !ok {
		v := documenttoken.UpdateDefaultUpdatedAt()
		dtu.mutation.SetUpdatedAt(v)
	}
}

// check runs all checks and user-defined validators on the builder.
func (dtu *DocumentTokenUpdate) check() error {
	if v, ok := dtu.mutation.Token(); ok {
		if err := documenttoken.TokenValidator(v); err != nil {
			return &ValidationError{Name: "token", err: fmt.Errorf(`ent: validator failed for field "DocumentToken.token": %w`, err)}
		}
	}
	return nil
}

func (dtu *DocumentTokenUpdate) sqlSave(ctx context.Context) (n int, err error) {
	_spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   documenttoken.Table,
			Columns: documenttoken.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeUUID,
				Column: documenttoken.FieldID,
			},
		},
	}
	if ps := dtu.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := dtu.mutation.UpdatedAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: documenttoken.FieldUpdatedAt,
		})
	}
	if value, ok := dtu.mutation.Token(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Value:  value,
			Column: documenttoken.FieldToken,
		})
	}
	if value, ok := dtu.mutation.Uses(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeInt,
			Value:  value,
			Column: documenttoken.FieldUses,
		})
	}
	if value, ok := dtu.mutation.AddedUses(); ok {
		_spec.Fields.Add = append(_spec.Fields.Add, &sqlgraph.FieldSpec{
			Type:   field.TypeInt,
			Value:  value,
			Column: documenttoken.FieldUses,
		})
	}
	if value, ok := dtu.mutation.ExpiresAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: documenttoken.FieldExpiresAt,
		})
	}
	if dtu.mutation.DocumentCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   documenttoken.DocumentTable,
			Columns: []string{documenttoken.DocumentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeUUID,
					Column: document.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := dtu.mutation.DocumentIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   documenttoken.DocumentTable,
			Columns: []string{documenttoken.DocumentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeUUID,
					Column: document.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if n, err = sqlgraph.UpdateNodes(ctx, dtu.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{documenttoken.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	return n, nil
}

// DocumentTokenUpdateOne is the builder for updating a single DocumentToken entity.
type DocumentTokenUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *DocumentTokenMutation
}

// SetUpdatedAt sets the "updated_at" field.
func (dtuo *DocumentTokenUpdateOne) SetUpdatedAt(t time.Time) *DocumentTokenUpdateOne {
	dtuo.mutation.SetUpdatedAt(t)
	return dtuo
}

// SetToken sets the "token" field.
func (dtuo *DocumentTokenUpdateOne) SetToken(b []byte) *DocumentTokenUpdateOne {
	dtuo.mutation.SetToken(b)
	return dtuo
}

// SetUses sets the "uses" field.
func (dtuo *DocumentTokenUpdateOne) SetUses(i int) *DocumentTokenUpdateOne {
	dtuo.mutation.ResetUses()
	dtuo.mutation.SetUses(i)
	return dtuo
}

// SetNillableUses sets the "uses" field if the given value is not nil.
func (dtuo *DocumentTokenUpdateOne) SetNillableUses(i *int) *DocumentTokenUpdateOne {
	if i != nil {
		dtuo.SetUses(*i)
	}
	return dtuo
}

// AddUses adds i to the "uses" field.
func (dtuo *DocumentTokenUpdateOne) AddUses(i int) *DocumentTokenUpdateOne {
	dtuo.mutation.AddUses(i)
	return dtuo
}

// SetExpiresAt sets the "expires_at" field.
func (dtuo *DocumentTokenUpdateOne) SetExpiresAt(t time.Time) *DocumentTokenUpdateOne {
	dtuo.mutation.SetExpiresAt(t)
	return dtuo
}

// SetNillableExpiresAt sets the "expires_at" field if the given value is not nil.
func (dtuo *DocumentTokenUpdateOne) SetNillableExpiresAt(t *time.Time) *DocumentTokenUpdateOne {
	if t != nil {
		dtuo.SetExpiresAt(*t)
	}
	return dtuo
}

// SetDocumentID sets the "document" edge to the Document entity by ID.
func (dtuo *DocumentTokenUpdateOne) SetDocumentID(id uuid.UUID) *DocumentTokenUpdateOne {
	dtuo.mutation.SetDocumentID(id)
	return dtuo
}

// SetNillableDocumentID sets the "document" edge to the Document entity by ID if the given value is not nil.
func (dtuo *DocumentTokenUpdateOne) SetNillableDocumentID(id *uuid.UUID) *DocumentTokenUpdateOne {
	if id != nil {
		dtuo = dtuo.SetDocumentID(*id)
	}
	return dtuo
}

// SetDocument sets the "document" edge to the Document entity.
func (dtuo *DocumentTokenUpdateOne) SetDocument(d *Document) *DocumentTokenUpdateOne {
	return dtuo.SetDocumentID(d.ID)
}

// Mutation returns the DocumentTokenMutation object of the builder.
func (dtuo *DocumentTokenUpdateOne) Mutation() *DocumentTokenMutation {
	return dtuo.mutation
}

// ClearDocument clears the "document" edge to the Document entity.
func (dtuo *DocumentTokenUpdateOne) ClearDocument() *DocumentTokenUpdateOne {
	dtuo.mutation.ClearDocument()
	return dtuo
}

// Select allows selecting one or more fields (columns) of the returned entity.
// The default is selecting all fields defined in the entity schema.
func (dtuo *DocumentTokenUpdateOne) Select(field string, fields ...string) *DocumentTokenUpdateOne {
	dtuo.fields = append([]string{field}, fields...)
	return dtuo
}

// Save executes the query and returns the updated DocumentToken entity.
func (dtuo *DocumentTokenUpdateOne) Save(ctx context.Context) (*DocumentToken, error) {
	var (
		err  error
		node *DocumentToken
	)
	dtuo.defaults()
	if len(dtuo.hooks) == 0 {
		if err = dtuo.check(); err != nil {
			return nil, err
		}
		node, err = dtuo.sqlSave(ctx)
	} else {
		var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
			mutation, ok := m.(*DocumentTokenMutation)
			if !ok {
				return nil, fmt.Errorf("unexpected mutation type %T", m)
			}
			if err = dtuo.check(); err != nil {
				return nil, err
			}
			dtuo.mutation = mutation
			node, err = dtuo.sqlSave(ctx)
			mutation.done = true
			return node, err
		})
		for i := len(dtuo.hooks) - 1; i >= 0; i-- {
			if dtuo.hooks[i] == nil {
				return nil, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
			}
			mut = dtuo.hooks[i](mut)
		}
		v, err := mut.Mutate(ctx, dtuo.mutation)
		if err != nil {
			return nil, err
		}
		nv, ok := v.(*DocumentToken)
		if !ok {
			return nil, fmt.Errorf("unexpected node type %T returned from DocumentTokenMutation", v)
		}
		node = nv
	}
	return node, err
}

// SaveX is like Save, but panics if an error occurs.
func (dtuo *DocumentTokenUpdateOne) SaveX(ctx context.Context) *DocumentToken {
	node, err := dtuo.Save(ctx)
	if err != nil {
		panic(err)
	}
	return node
}

// Exec executes the query on the entity.
func (dtuo *DocumentTokenUpdateOne) Exec(ctx context.Context) error {
	_, err := dtuo.Save(ctx)
	return err
}

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

// defaults sets the default values of the builder before save.
func (dtuo *DocumentTokenUpdateOne) defaults() {
	if _, ok := dtuo.mutation.UpdatedAt(); !ok {
		v := documenttoken.UpdateDefaultUpdatedAt()
		dtuo.mutation.SetUpdatedAt(v)
	}
}

// check runs all checks and user-defined validators on the builder.
func (dtuo *DocumentTokenUpdateOne) check() error {
	if v, ok := dtuo.mutation.Token(); ok {
		if err := documenttoken.TokenValidator(v); err != nil {
			return &ValidationError{Name: "token", err: fmt.Errorf(`ent: validator failed for field "DocumentToken.token": %w`, err)}
		}
	}
	return nil
}

func (dtuo *DocumentTokenUpdateOne) sqlSave(ctx context.Context) (_node *DocumentToken, err error) {
	_spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   documenttoken.Table,
			Columns: documenttoken.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeUUID,
				Column: documenttoken.FieldID,
			},
		},
	}
	id, ok := dtuo.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "DocumentToken.id" for update`)}
	}
	_spec.Node.ID.Value = id
	if fields := dtuo.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, documenttoken.FieldID)
		for _, f := range fields {
			if !documenttoken.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != documenttoken.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, f)
			}
		}
	}
	if ps := dtuo.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := dtuo.mutation.UpdatedAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: documenttoken.FieldUpdatedAt,
		})
	}
	if value, ok := dtuo.mutation.Token(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeBytes,
			Value:  value,
			Column: documenttoken.FieldToken,
		})
	}
	if value, ok := dtuo.mutation.Uses(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeInt,
			Value:  value,
			Column: documenttoken.FieldUses,
		})
	}
	if value, ok := dtuo.mutation.AddedUses(); ok {
		_spec.Fields.Add = append(_spec.Fields.Add, &sqlgraph.FieldSpec{
			Type:   field.TypeInt,
			Value:  value,
			Column: documenttoken.FieldUses,
		})
	}
	if value, ok := dtuo.mutation.ExpiresAt(); ok {
		_spec.Fields.Set = append(_spec.Fields.Set, &sqlgraph.FieldSpec{
			Type:   field.TypeTime,
			Value:  value,
			Column: documenttoken.FieldExpiresAt,
		})
	}
	if dtuo.mutation.DocumentCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   documenttoken.DocumentTable,
			Columns: []string{documenttoken.DocumentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeUUID,
					Column: document.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := dtuo.mutation.DocumentIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: true,
			Table:   documenttoken.DocumentTable,
			Columns: []string{documenttoken.DocumentColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeUUID,
					Column: document.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	_node = &DocumentToken{config: dtuo.config}
	_spec.Assign = _node.assignValues
	_spec.ScanValues = _node.scanValues
	if err = sqlgraph.UpdateNode(ctx, dtuo.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{documenttoken.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	return _node, nil
}