package f5

/*
import (
	"fmt"
)
*/

type LinkOp int32

const (
	LK_AND LinkOp = iota
	LK_OR
)

type QueryCond int32

const (
	QC_LIKE QueryCond = iota
	QC_EQ
	QC_LT
	QC_LE
	QC_GT
	QC_GE
	QC_CUSTOM
)

type pageQuery struct {
}

type PageQueryFilter interface {
	And() PageQueryFilter
	Or() PageQueryFilter
	Not() PageQueryFilter
	GenSql() string
}

type PageQueryOne struct {
	linkOp LinkOp
	not bool
	fieldName string
	cond QueryCond
	ignoreEmpty bool
	val string
}

type PageQueryComp struct {
	linkOp LinkOp
	not bool
	subFilters []*PageQueryOne
}

type PageQueryParam struct {
	Filter []PageQueryFilter
	OrderBy string
}

func (this *PageQueryParam) genSql() string {
	sql := " "
	/*
	for _, field := range this.Filter {
	}*/
	sql += " " + this.OrderBy + " "
	return sql
}

func (this *pageQuery) Like(fieldName string, val string) *PageQueryOne {
	f := &PageQueryOne{
		cond: QC_LIKE,
		fieldName: fieldName,
		val: val}
	return f
}

func (this *pageQuery) EQ(fieldName string, val string) *PageQueryOne {
	f := &PageQueryOne{
		cond: QC_EQ,
		fieldName: fieldName,
		val: val}
	return f
}

func (this *pageQuery) LT(fieldName string, val string) *PageQueryOne {
	f := &PageQueryOne{
		cond: QC_LT,
		fieldName: fieldName,
		val: val}
	return f
}

func (this *pageQuery) LE(fieldName string, val string) *PageQueryOne {
	f := &PageQueryOne{
		cond: QC_LE,
		fieldName: fieldName,
		val: val}
	return f
}

func (this *pageQuery) GT(fieldName string, val string) *PageQueryOne {
	f := &PageQueryOne{
		cond: QC_GT,
		fieldName: fieldName,
		val: val}
	return f
}

func (this *pageQuery) GE(fieldName string, val string) *PageQueryOne {
	f := &PageQueryOne{
		cond: QC_GE,
		fieldName: fieldName,
		val: val}
	return f
}

func (this *pageQuery) Custom(fieldName string, val string) *PageQueryOne {
	f := &PageQueryOne{
		cond: QC_CUSTOM,
		fieldName: fieldName,
		val: val}
	return f
}

func (this *pageQuery) Comp(subFilters []*PageQueryOne) *PageQueryComp {
	f := &PageQueryComp{
		subFilters: subFilters}
	return f
}

func (this *PageQueryOne) IgnoreEmpy() *PageQueryOne {
	this.ignoreEmpty = true
	return this
}