package wrapper

import "strings"

// Time 时间范围
type Time struct {
	Range[int64]
}

func (t *Time) HasValid() bool {
	if !t.Range.HasValid() {
		return false
	}
	return t.Min > 0 || t.Max > 0
}

type TimeV2 struct {
	TimCol string `form:"time_col" json:"time_col"`
	TimOp  string `form:"time_op" json:"time_op"`
	Start  int64  `form:"start" json:"start"`
	End    int64  `form:"end" json:"end"`
}

func (t *TimeV2) HasValid() bool {
	// 时间有效，操作符长度不能太长,太长就是无效，在进行ToUpper时，造成时间消耗
	return len(t.TimOp) > 0 && len(t.TimOp) < 5 && len(t.TimCol) > 0 && (t.Start > 0 || t.End > 0)
}

func (t *TimeV2) BuildCond(cond *Condition) {
	if !t.HasValid() {
		return
	}
	op := strings.ToUpper(t.TimOp)
	if op == "GT" {
		cond.Gt(t.TimCol, t.Start)
	} else if op == "GTE" {
		cond.GtEq(t.TimCol, t.Start)
	} else if op == "LT" {
		cond.Lt(t.TimCol, t.End)
	} else if op == "LTE" {
		cond.LtEq(t.TimCol, t.End)
	} else if op == "BET" {
		cond.Between(t.TimCol, t.Start, t.End)
	}
}

func (t *TimeV2) Adjust() {
	if t.Start > t.End {
		t.Start, t.End = t.End, t.Start
	}
}

func (t *TimeV2) RangeLegal(legal int64) {
	t.Adjust()
	if t.End-t.Start <= legal {
		return
	}
	t.Start = t.End - legal
	if t.Start < 0 {
		t.Start = 0
	}
}