// Code generated by ent, DO NOT EDIT.

package ent

import (
	"fmt"
	"strings"
	"time"

	"code.icod.de/dalu/ka/ent/category"
	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"github.com/google/uuid"
)

// Category is the model entity for the Category schema.
type Category struct {
	config `json:"-"`
	// ID of the ent.
	ID uuid.UUID `json:"id,omitempty"`
	// CreatedAt holds the value of the "created_at" field.
	CreatedAt time.Time `json:"created_at,omitempty"`
	// UpdatedAt holds the value of the "updated_at" field.
	UpdatedAt time.Time `json:"updated_at,omitempty"`
	// Title holds the value of the "title" field.
	Title string `json:"title,omitempty"`
	// Description holds the value of the "description" field.
	Description string `json:"description,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the CategoryQuery when eager-loading is set.
	Edges        CategoryEdges `json:"edges"`
	selectValues sql.SelectValues
}

// CategoryEdges holds the relations/edges for other nodes in the graph.
type CategoryEdges struct {
	// Posts holds the value of the posts edge.
	Posts []*Post `json:"posts,omitempty"`
	// loadedTypes holds the information for reporting if a
	// type was loaded (or requested) in eager-loading or not.
	loadedTypes [1]bool
	// totalCount holds the count of the edges above.
	totalCount [1]map[string]int

	namedPosts map[string][]*Post
}

// PostsOrErr returns the Posts value or an error if the edge
// was not loaded in eager-loading.
func (e CategoryEdges) PostsOrErr() ([]*Post, error) {
	if e.loadedTypes[0] {
		return e.Posts, nil
	}
	return nil, &NotLoadedError{edge: "posts"}
}

// scanValues returns the types for scanning values from sql.Rows.
func (*Category) scanValues(columns []string) ([]any, error) {
	values := make([]any, len(columns))
	for i := range columns {
		switch columns[i] {
		case category.FieldTitle, category.FieldDescription:
			values[i] = new(sql.NullString)
		case category.FieldCreatedAt, category.FieldUpdatedAt:
			values[i] = new(sql.NullTime)
		case category.FieldID:
			values[i] = new(uuid.UUID)
		default:
			values[i] = new(sql.UnknownType)
		}
	}
	return values, nil
}

// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Category fields.
func (c *Category) assignValues(columns []string, values []any) error {
	if m, n := len(values), len(columns); m < n {
		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
	}
	for i := range columns {
		switch columns[i] {
		case category.FieldID:
			if value, ok := values[i].(*uuid.UUID); !ok {
				return fmt.Errorf("unexpected type %T for field id", values[i])
			} else if value != nil {
				c.ID = *value
			}
		case category.FieldCreatedAt:
			if value, ok := values[i].(*sql.NullTime); !ok {
				return fmt.Errorf("unexpected type %T for field created_at", values[i])
			} else if value.Valid {
				c.CreatedAt = value.Time
			}
		case category.FieldUpdatedAt:
			if value, ok := values[i].(*sql.NullTime); !ok {
				return fmt.Errorf("unexpected type %T for field updated_at", values[i])
			} else if value.Valid {
				c.UpdatedAt = value.Time
			}
		case category.FieldTitle:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field title", values[i])
			} else if value.Valid {
				c.Title = value.String
			}
		case category.FieldDescription:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field description", values[i])
			} else if value.Valid {
				c.Description = value.String
			}
		default:
			c.selectValues.Set(columns[i], values[i])
		}
	}
	return nil
}

// Value returns the ent.Value that was dynamically selected and assigned to the Category.
// This includes values selected through modifiers, order, etc.
func (c *Category) Value(name string) (ent.Value, error) {
	return c.selectValues.Get(name)
}

// QueryPosts queries the "posts" edge of the Category entity.
func (c *Category) QueryPosts() *PostQuery {
	return NewCategoryClient(c.config).QueryPosts(c)
}

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

// Unwrap unwraps the Category 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 (c *Category) Unwrap() *Category {
	_tx, ok := c.config.driver.(*txDriver)
	if !ok {
		panic("ent: Category is not a transactional entity")
	}
	c.config.driver = _tx.drv
	return c
}

// String implements the fmt.Stringer.
func (c *Category) String() string {
	var builder strings.Builder
	builder.WriteString("Category(")
	builder.WriteString(fmt.Sprintf("id=%v, ", c.ID))
	builder.WriteString("created_at=")
	builder.WriteString(c.CreatedAt.Format(time.ANSIC))
	builder.WriteString(", ")
	builder.WriteString("updated_at=")
	builder.WriteString(c.UpdatedAt.Format(time.ANSIC))
	builder.WriteString(", ")
	builder.WriteString("title=")
	builder.WriteString(c.Title)
	builder.WriteString(", ")
	builder.WriteString("description=")
	builder.WriteString(c.Description)
	builder.WriteByte(')')
	return builder.String()
}

// NamedPosts returns the Posts named value or an error if the edge was not
// loaded in eager-loading with this name.
func (c *Category) NamedPosts(name string) ([]*Post, error) {
	if c.Edges.namedPosts == nil {
		return nil, &NotLoadedError{edge: name}
	}
	nodes, ok := c.Edges.namedPosts[name]
	if !ok {
		return nil, &NotLoadedError{edge: name}
	}
	return nodes, nil
}

func (c *Category) appendNamedPosts(name string, edges ...*Post) {
	if c.Edges.namedPosts == nil {
		c.Edges.namedPosts = make(map[string][]*Post)
	}
	if len(edges) == 0 {
		c.Edges.namedPosts[name] = []*Post{}
	} else {
		c.Edges.namedPosts[name] = append(c.Edges.namedPosts[name], edges...)
	}
}

// Categories is a parsable slice of Category.
type Categories []*Category