// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"fmt"
	"math"
	"schisandra-album-cloud-microservices/common/ent/predicate"
	"schisandra-album-cloud-microservices/common/ent/scaauthpermissionrule"
	"schisandra-album-cloud-microservices/common/ent/scaauthrole"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
)

// ScaAuthPermissionRuleQuery is the builder for querying ScaAuthPermissionRule entities.
type ScaAuthPermissionRuleQuery struct {
	config
	ctx             *QueryContext
	order           []scaauthpermissionrule.OrderOption
	inters          []Interceptor
	predicates      []predicate.ScaAuthPermissionRule
	withScaAuthRole *ScaAuthRoleQuery
	withFKs         bool
	// intermediate query (i.e. traversal path).
	sql  *sql.Selector
	path func(context.Context) (*sql.Selector, error)
}

// Where adds a new predicate for the ScaAuthPermissionRuleQuery builder.
func (saprq *ScaAuthPermissionRuleQuery) Where(ps ...predicate.ScaAuthPermissionRule) *ScaAuthPermissionRuleQuery {
	saprq.predicates = append(saprq.predicates, ps...)
	return saprq
}

// Limit the number of records to be returned by this query.
func (saprq *ScaAuthPermissionRuleQuery) Limit(limit int) *ScaAuthPermissionRuleQuery {
	saprq.ctx.Limit = &limit
	return saprq
}

// Offset to start from.
func (saprq *ScaAuthPermissionRuleQuery) Offset(offset int) *ScaAuthPermissionRuleQuery {
	saprq.ctx.Offset = &offset
	return saprq
}

// Unique configures the query builder to filter duplicate records on query.
// By default, unique is set to true, and can be disabled using this method.
func (saprq *ScaAuthPermissionRuleQuery) Unique(unique bool) *ScaAuthPermissionRuleQuery {
	saprq.ctx.Unique = &unique
	return saprq
}

// Order specifies how the records should be ordered.
func (saprq *ScaAuthPermissionRuleQuery) Order(o ...scaauthpermissionrule.OrderOption) *ScaAuthPermissionRuleQuery {
	saprq.order = append(saprq.order, o...)
	return saprq
}

// QueryScaAuthRole chains the current query on the "sca_auth_role" edge.
func (saprq *ScaAuthPermissionRuleQuery) QueryScaAuthRole() *ScaAuthRoleQuery {
	query := (&ScaAuthRoleClient{config: saprq.config}).Query()
	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
		if err := saprq.prepareQuery(ctx); err != nil {
			return nil, err
		}
		selector := saprq.sqlQuery(ctx)
		if err := selector.Err(); err != nil {
			return nil, err
		}
		step := sqlgraph.NewStep(
			sqlgraph.From(scaauthpermissionrule.Table, scaauthpermissionrule.FieldID, selector),
			sqlgraph.To(scaauthrole.Table, scaauthrole.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, scaauthpermissionrule.ScaAuthRoleTable, scaauthpermissionrule.ScaAuthRoleColumn),
		)
		fromU = sqlgraph.SetNeighbors(saprq.driver.Dialect(), step)
		return fromU, nil
	}
	return query
}

// First returns the first ScaAuthPermissionRule entity from the query.
// Returns a *NotFoundError when no ScaAuthPermissionRule was found.
func (saprq *ScaAuthPermissionRuleQuery) First(ctx context.Context) (*ScaAuthPermissionRule, error) {
	nodes, err := saprq.Limit(1).All(setContextOp(ctx, saprq.ctx, ent.OpQueryFirst))
	if err != nil {
		return nil, err
	}
	if len(nodes) == 0 {
		return nil, &NotFoundError{scaauthpermissionrule.Label}
	}
	return nodes[0], nil
}

// FirstX is like First, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) FirstX(ctx context.Context) *ScaAuthPermissionRule {
	node, err := saprq.First(ctx)
	if err != nil && !IsNotFound(err) {
		panic(err)
	}
	return node
}

// FirstID returns the first ScaAuthPermissionRule ID from the query.
// Returns a *NotFoundError when no ScaAuthPermissionRule ID was found.
func (saprq *ScaAuthPermissionRuleQuery) FirstID(ctx context.Context) (id int64, err error) {
	var ids []int64
	if ids, err = saprq.Limit(1).IDs(setContextOp(ctx, saprq.ctx, ent.OpQueryFirstID)); err != nil {
		return
	}
	if len(ids) == 0 {
		err = &NotFoundError{scaauthpermissionrule.Label}
		return
	}
	return ids[0], nil
}

// FirstIDX is like FirstID, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) FirstIDX(ctx context.Context) int64 {
	id, err := saprq.FirstID(ctx)
	if err != nil && !IsNotFound(err) {
		panic(err)
	}
	return id
}

// Only returns a single ScaAuthPermissionRule entity found by the query, ensuring it only returns one.
// Returns a *NotSingularError when more than one ScaAuthPermissionRule entity is found.
// Returns a *NotFoundError when no ScaAuthPermissionRule entities are found.
func (saprq *ScaAuthPermissionRuleQuery) Only(ctx context.Context) (*ScaAuthPermissionRule, error) {
	nodes, err := saprq.Limit(2).All(setContextOp(ctx, saprq.ctx, ent.OpQueryOnly))
	if err != nil {
		return nil, err
	}
	switch len(nodes) {
	case 1:
		return nodes[0], nil
	case 0:
		return nil, &NotFoundError{scaauthpermissionrule.Label}
	default:
		return nil, &NotSingularError{scaauthpermissionrule.Label}
	}
}

// OnlyX is like Only, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) OnlyX(ctx context.Context) *ScaAuthPermissionRule {
	node, err := saprq.Only(ctx)
	if err != nil {
		panic(err)
	}
	return node
}

// OnlyID is like Only, but returns the only ScaAuthPermissionRule ID in the query.
// Returns a *NotSingularError when more than one ScaAuthPermissionRule ID is found.
// Returns a *NotFoundError when no entities are found.
func (saprq *ScaAuthPermissionRuleQuery) OnlyID(ctx context.Context) (id int64, err error) {
	var ids []int64
	if ids, err = saprq.Limit(2).IDs(setContextOp(ctx, saprq.ctx, ent.OpQueryOnlyID)); err != nil {
		return
	}
	switch len(ids) {
	case 1:
		id = ids[0]
	case 0:
		err = &NotFoundError{scaauthpermissionrule.Label}
	default:
		err = &NotSingularError{scaauthpermissionrule.Label}
	}
	return
}

// OnlyIDX is like OnlyID, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) OnlyIDX(ctx context.Context) int64 {
	id, err := saprq.OnlyID(ctx)
	if err != nil {
		panic(err)
	}
	return id
}

// All executes the query and returns a list of ScaAuthPermissionRules.
func (saprq *ScaAuthPermissionRuleQuery) All(ctx context.Context) ([]*ScaAuthPermissionRule, error) {
	ctx = setContextOp(ctx, saprq.ctx, ent.OpQueryAll)
	if err := saprq.prepareQuery(ctx); err != nil {
		return nil, err
	}
	qr := querierAll[[]*ScaAuthPermissionRule, *ScaAuthPermissionRuleQuery]()
	return withInterceptors[[]*ScaAuthPermissionRule](ctx, saprq, qr, saprq.inters)
}

// AllX is like All, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) AllX(ctx context.Context) []*ScaAuthPermissionRule {
	nodes, err := saprq.All(ctx)
	if err != nil {
		panic(err)
	}
	return nodes
}

// IDs executes the query and returns a list of ScaAuthPermissionRule IDs.
func (saprq *ScaAuthPermissionRuleQuery) IDs(ctx context.Context) (ids []int64, err error) {
	if saprq.ctx.Unique == nil && saprq.path != nil {
		saprq.Unique(true)
	}
	ctx = setContextOp(ctx, saprq.ctx, ent.OpQueryIDs)
	if err = saprq.Select(scaauthpermissionrule.FieldID).Scan(ctx, &ids); err != nil {
		return nil, err
	}
	return ids, nil
}

// IDsX is like IDs, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) IDsX(ctx context.Context) []int64 {
	ids, err := saprq.IDs(ctx)
	if err != nil {
		panic(err)
	}
	return ids
}

// Count returns the count of the given query.
func (saprq *ScaAuthPermissionRuleQuery) Count(ctx context.Context) (int, error) {
	ctx = setContextOp(ctx, saprq.ctx, ent.OpQueryCount)
	if err := saprq.prepareQuery(ctx); err != nil {
		return 0, err
	}
	return withInterceptors[int](ctx, saprq, querierCount[*ScaAuthPermissionRuleQuery](), saprq.inters)
}

// CountX is like Count, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) CountX(ctx context.Context) int {
	count, err := saprq.Count(ctx)
	if err != nil {
		panic(err)
	}
	return count
}

// Exist returns true if the query has elements in the graph.
func (saprq *ScaAuthPermissionRuleQuery) Exist(ctx context.Context) (bool, error) {
	ctx = setContextOp(ctx, saprq.ctx, ent.OpQueryExist)
	switch _, err := saprq.FirstID(ctx); {
	case IsNotFound(err):
		return false, nil
	case err != nil:
		return false, fmt.Errorf("ent: check existence: %w", err)
	default:
		return true, nil
	}
}

// ExistX is like Exist, but panics if an error occurs.
func (saprq *ScaAuthPermissionRuleQuery) ExistX(ctx context.Context) bool {
	exist, err := saprq.Exist(ctx)
	if err != nil {
		panic(err)
	}
	return exist
}

// Clone returns a duplicate of the ScaAuthPermissionRuleQuery builder, including all associated steps. It can be
// used to prepare common query builders and use them differently after the clone is made.
func (saprq *ScaAuthPermissionRuleQuery) Clone() *ScaAuthPermissionRuleQuery {
	if saprq == nil {
		return nil
	}
	return &ScaAuthPermissionRuleQuery{
		config:          saprq.config,
		ctx:             saprq.ctx.Clone(),
		order:           append([]scaauthpermissionrule.OrderOption{}, saprq.order...),
		inters:          append([]Interceptor{}, saprq.inters...),
		predicates:      append([]predicate.ScaAuthPermissionRule{}, saprq.predicates...),
		withScaAuthRole: saprq.withScaAuthRole.Clone(),
		// clone intermediate query.
		sql:  saprq.sql.Clone(),
		path: saprq.path,
	}
}

// WithScaAuthRole tells the query-builder to eager-load the nodes that are connected to
// the "sca_auth_role" edge. The optional arguments are used to configure the query builder of the edge.
func (saprq *ScaAuthPermissionRuleQuery) WithScaAuthRole(opts ...func(*ScaAuthRoleQuery)) *ScaAuthPermissionRuleQuery {
	query := (&ScaAuthRoleClient{config: saprq.config}).Query()
	for _, opt := range opts {
		opt(query)
	}
	saprq.withScaAuthRole = query
	return saprq
}

// GroupBy is used to group vertices by one or more fields/columns.
// It is often used with aggregate functions, like: count, max, mean, min, sum.
//
// Example:
//
//	var v []struct {
//		Ptype string `json:"ptype,omitempty"`
//		Count int `json:"count,omitempty"`
//	}
//
//	client.ScaAuthPermissionRule.Query().
//		GroupBy(scaauthpermissionrule.FieldPtype).
//		Aggregate(ent.Count()).
//		Scan(ctx, &v)
func (saprq *ScaAuthPermissionRuleQuery) GroupBy(field string, fields ...string) *ScaAuthPermissionRuleGroupBy {
	saprq.ctx.Fields = append([]string{field}, fields...)
	grbuild := &ScaAuthPermissionRuleGroupBy{build: saprq}
	grbuild.flds = &saprq.ctx.Fields
	grbuild.label = scaauthpermissionrule.Label
	grbuild.scan = grbuild.Scan
	return grbuild
}

// Select allows the selection one or more fields/columns for the given query,
// instead of selecting all fields in the entity.
//
// Example:
//
//	var v []struct {
//		Ptype string `json:"ptype,omitempty"`
//	}
//
//	client.ScaAuthPermissionRule.Query().
//		Select(scaauthpermissionrule.FieldPtype).
//		Scan(ctx, &v)
func (saprq *ScaAuthPermissionRuleQuery) Select(fields ...string) *ScaAuthPermissionRuleSelect {
	saprq.ctx.Fields = append(saprq.ctx.Fields, fields...)
	sbuild := &ScaAuthPermissionRuleSelect{ScaAuthPermissionRuleQuery: saprq}
	sbuild.label = scaauthpermissionrule.Label
	sbuild.flds, sbuild.scan = &saprq.ctx.Fields, sbuild.Scan
	return sbuild
}

// Aggregate returns a ScaAuthPermissionRuleSelect configured with the given aggregations.
func (saprq *ScaAuthPermissionRuleQuery) Aggregate(fns ...AggregateFunc) *ScaAuthPermissionRuleSelect {
	return saprq.Select().Aggregate(fns...)
}

func (saprq *ScaAuthPermissionRuleQuery) prepareQuery(ctx context.Context) error {
	for _, inter := range saprq.inters {
		if inter == nil {
			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
		}
		if trv, ok := inter.(Traverser); ok {
			if err := trv.Traverse(ctx, saprq); err != nil {
				return err
			}
		}
	}
	for _, f := range saprq.ctx.Fields {
		if !scaauthpermissionrule.ValidColumn(f) {
			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
		}
	}
	if saprq.path != nil {
		prev, err := saprq.path(ctx)
		if err != nil {
			return err
		}
		saprq.sql = prev
	}
	return nil
}

func (saprq *ScaAuthPermissionRuleQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*ScaAuthPermissionRule, error) {
	var (
		nodes       = []*ScaAuthPermissionRule{}
		withFKs     = saprq.withFKs
		_spec       = saprq.querySpec()
		loadedTypes = [1]bool{
			saprq.withScaAuthRole != nil,
		}
	)
	if saprq.withScaAuthRole != nil {
		withFKs = true
	}
	if withFKs {
		_spec.Node.Columns = append(_spec.Node.Columns, scaauthpermissionrule.ForeignKeys...)
	}
	_spec.ScanValues = func(columns []string) ([]any, error) {
		return (*ScaAuthPermissionRule).scanValues(nil, columns)
	}
	_spec.Assign = func(columns []string, values []any) error {
		node := &ScaAuthPermissionRule{config: saprq.config}
		nodes = append(nodes, node)
		node.Edges.loadedTypes = loadedTypes
		return node.assignValues(columns, values)
	}
	for i := range hooks {
		hooks[i](ctx, _spec)
	}
	if err := sqlgraph.QueryNodes(ctx, saprq.driver, _spec); err != nil {
		return nil, err
	}
	if len(nodes) == 0 {
		return nodes, nil
	}
	if query := saprq.withScaAuthRole; query != nil {
		if err := saprq.loadScaAuthRole(ctx, query, nodes, nil,
			func(n *ScaAuthPermissionRule, e *ScaAuthRole) { n.Edges.ScaAuthRole = e }); err != nil {
			return nil, err
		}
	}
	return nodes, nil
}

func (saprq *ScaAuthPermissionRuleQuery) loadScaAuthRole(ctx context.Context, query *ScaAuthRoleQuery, nodes []*ScaAuthPermissionRule, init func(*ScaAuthPermissionRule), assign func(*ScaAuthPermissionRule, *ScaAuthRole)) error {
	ids := make([]int64, 0, len(nodes))
	nodeids := make(map[int64][]*ScaAuthPermissionRule)
	for i := range nodes {
		if nodes[i].sca_auth_role_sca_auth_permission_rule == nil {
			continue
		}
		fk := *nodes[i].sca_auth_role_sca_auth_permission_rule
		if _, ok := nodeids[fk]; !ok {
			ids = append(ids, fk)
		}
		nodeids[fk] = append(nodeids[fk], nodes[i])
	}
	if len(ids) == 0 {
		return nil
	}
	query.Where(scaauthrole.IDIn(ids...))
	neighbors, err := query.All(ctx)
	if err != nil {
		return err
	}
	for _, n := range neighbors {
		nodes, ok := nodeids[n.ID]
		if !ok {
			return fmt.Errorf(`unexpected foreign-key "sca_auth_role_sca_auth_permission_rule" returned %v`, n.ID)
		}
		for i := range nodes {
			assign(nodes[i], n)
		}
	}
	return nil
}

func (saprq *ScaAuthPermissionRuleQuery) sqlCount(ctx context.Context) (int, error) {
	_spec := saprq.querySpec()
	_spec.Node.Columns = saprq.ctx.Fields
	if len(saprq.ctx.Fields) > 0 {
		_spec.Unique = saprq.ctx.Unique != nil && *saprq.ctx.Unique
	}
	return sqlgraph.CountNodes(ctx, saprq.driver, _spec)
}

func (saprq *ScaAuthPermissionRuleQuery) querySpec() *sqlgraph.QuerySpec {
	_spec := sqlgraph.NewQuerySpec(scaauthpermissionrule.Table, scaauthpermissionrule.Columns, sqlgraph.NewFieldSpec(scaauthpermissionrule.FieldID, field.TypeInt64))
	_spec.From = saprq.sql
	if unique := saprq.ctx.Unique; unique != nil {
		_spec.Unique = *unique
	} else if saprq.path != nil {
		_spec.Unique = true
	}
	if fields := saprq.ctx.Fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, scaauthpermissionrule.FieldID)
		for i := range fields {
			if fields[i] != scaauthpermissionrule.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
			}
		}
	}
	if ps := saprq.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if limit := saprq.ctx.Limit; limit != nil {
		_spec.Limit = *limit
	}
	if offset := saprq.ctx.Offset; offset != nil {
		_spec.Offset = *offset
	}
	if ps := saprq.order; len(ps) > 0 {
		_spec.Order = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	return _spec
}

func (saprq *ScaAuthPermissionRuleQuery) sqlQuery(ctx context.Context) *sql.Selector {
	builder := sql.Dialect(saprq.driver.Dialect())
	t1 := builder.Table(scaauthpermissionrule.Table)
	columns := saprq.ctx.Fields
	if len(columns) == 0 {
		columns = scaauthpermissionrule.Columns
	}
	selector := builder.Select(t1.Columns(columns...)...).From(t1)
	if saprq.sql != nil {
		selector = saprq.sql
		selector.Select(selector.Columns(columns...)...)
	}
	if saprq.ctx.Unique != nil && *saprq.ctx.Unique {
		selector.Distinct()
	}
	for _, p := range saprq.predicates {
		p(selector)
	}
	for _, p := range saprq.order {
		p(selector)
	}
	if offset := saprq.ctx.Offset; offset != nil {
		// limit is mandatory for offset clause. We start
		// with default value, and override it below if needed.
		selector.Offset(*offset).Limit(math.MaxInt32)
	}
	if limit := saprq.ctx.Limit; limit != nil {
		selector.Limit(*limit)
	}
	return selector
}

// ScaAuthPermissionRuleGroupBy is the group-by builder for ScaAuthPermissionRule entities.
type ScaAuthPermissionRuleGroupBy struct {
	selector
	build *ScaAuthPermissionRuleQuery
}

// Aggregate adds the given aggregation functions to the group-by query.
func (saprgb *ScaAuthPermissionRuleGroupBy) Aggregate(fns ...AggregateFunc) *ScaAuthPermissionRuleGroupBy {
	saprgb.fns = append(saprgb.fns, fns...)
	return saprgb
}

// Scan applies the selector query and scans the result into the given value.
func (saprgb *ScaAuthPermissionRuleGroupBy) Scan(ctx context.Context, v any) error {
	ctx = setContextOp(ctx, saprgb.build.ctx, ent.OpQueryGroupBy)
	if err := saprgb.build.prepareQuery(ctx); err != nil {
		return err
	}
	return scanWithInterceptors[*ScaAuthPermissionRuleQuery, *ScaAuthPermissionRuleGroupBy](ctx, saprgb.build, saprgb, saprgb.build.inters, v)
}

func (saprgb *ScaAuthPermissionRuleGroupBy) sqlScan(ctx context.Context, root *ScaAuthPermissionRuleQuery, v any) error {
	selector := root.sqlQuery(ctx).Select()
	aggregation := make([]string, 0, len(saprgb.fns))
	for _, fn := range saprgb.fns {
		aggregation = append(aggregation, fn(selector))
	}
	if len(selector.SelectedColumns()) == 0 {
		columns := make([]string, 0, len(*saprgb.flds)+len(saprgb.fns))
		for _, f := range *saprgb.flds {
			columns = append(columns, selector.C(f))
		}
		columns = append(columns, aggregation...)
		selector.Select(columns...)
	}
	selector.GroupBy(selector.Columns(*saprgb.flds...)...)
	if err := selector.Err(); err != nil {
		return err
	}
	rows := &sql.Rows{}
	query, args := selector.Query()
	if err := saprgb.build.driver.Query(ctx, query, args, rows); err != nil {
		return err
	}
	defer rows.Close()
	return sql.ScanSlice(rows, v)
}

// ScaAuthPermissionRuleSelect is the builder for selecting fields of ScaAuthPermissionRule entities.
type ScaAuthPermissionRuleSelect struct {
	*ScaAuthPermissionRuleQuery
	selector
}

// Aggregate adds the given aggregation functions to the selector query.
func (saprs *ScaAuthPermissionRuleSelect) Aggregate(fns ...AggregateFunc) *ScaAuthPermissionRuleSelect {
	saprs.fns = append(saprs.fns, fns...)
	return saprs
}

// Scan applies the selector query and scans the result into the given value.
func (saprs *ScaAuthPermissionRuleSelect) Scan(ctx context.Context, v any) error {
	ctx = setContextOp(ctx, saprs.ctx, ent.OpQuerySelect)
	if err := saprs.prepareQuery(ctx); err != nil {
		return err
	}
	return scanWithInterceptors[*ScaAuthPermissionRuleQuery, *ScaAuthPermissionRuleSelect](ctx, saprs.ScaAuthPermissionRuleQuery, saprs, saprs.inters, v)
}

func (saprs *ScaAuthPermissionRuleSelect) sqlScan(ctx context.Context, root *ScaAuthPermissionRuleQuery, v any) error {
	selector := root.sqlQuery(ctx)
	aggregation := make([]string, 0, len(saprs.fns))
	for _, fn := range saprs.fns {
		aggregation = append(aggregation, fn(selector))
	}
	switch n := len(*saprs.selector.flds); {
	case n == 0 && len(aggregation) > 0:
		selector.Select(aggregation...)
	case n != 0 && len(aggregation) > 0:
		selector.AppendSelect(aggregation...)
	}
	rows := &sql.Rows{}
	query, args := selector.Query()
	if err := saprs.driver.Query(ctx, query, args, rows); err != nil {
		return err
	}
	defer rows.Close()
	return sql.ScanSlice(rows, v)
}