package engine

import (
	"git.fsdpf.net/go/condition/contracts"
	"git.fsdpf.net/go/db"
	"git.fsdpf.net/go/req"
)

type EngineCase[T any] struct {
	predicate contracts.Condition
	cb        func(data T, g req.GlobalParams) error
}

func (this EngineCase[T]) ToSql(param contracts.ConditionTokenValue) db.Expression {
	if this.predicate == nil || this.predicate.IsEmpty() {
		return db.Raw("NULL")
	}

	return this.predicate.ToSql(param)
}

func (this EngineCase[T]) Execute(data T, g req.GlobalParams) error {
	return this.cb(data, g)
}