package apollostruct

import "sort"

type FormulaParam struct {
	Param      string  `json:"param"`
	Maximum    float64 `json:"maximum"`
	Proportion float64 `json:"proportion"`
}

type ByProportion []*FormulaParam

func (b ByProportion) Len() int {
	return len(b)
}
func (b ByProportion) Less(i, j int) bool {
	if b[i].Proportion < b[j].Proportion {
		return true
	} else {
		return false
	}
}
func (b ByProportion) Swap(i, j int) {
	b[i], b[j] = b[j], b[i]
}

type StreamerScoreFormulaCfg struct {
	ZoneMomentCountInThreeDays    *FormulaParam `json:"zone_moment_count_in_three_days"`
	ZoneMomentCountInAMonth       *FormulaParam `json:"zone_moment_count_in_a_month"`
	IncomeInAWeek                 *FormulaParam `json:"income_in_a_week"`
	NewZoneMemberCountInThreeDays *FormulaParam `json:"new_zone_member_count_in_three_days"`
	NewZoneMemberCountInAMonth    *FormulaParam `json:"new_zone_member_count_in_a_month"`
	MomentCountInThreeDays        *FormulaParam `json:"moment_count_in_three_days"`

	Priority []string
}

func (s *StreamerScoreFormulaCfg) CalPriority() {
	list := make(ByProportion, 0)
	list = append(list, s.ZoneMomentCountInThreeDays)
	list = append(list, s.ZoneMomentCountInAMonth)
	list = append(list, s.IncomeInAWeek)
	list = append(list, s.NewZoneMemberCountInThreeDays)
	list = append(list, s.NewZoneMemberCountInAMonth)
	list = append(list, s.MomentCountInThreeDays)
	sort.Sort(list)
	s.Priority = make([]string, 0)
	for _, formula := range list {
		s.Priority = append(s.Priority, formula.Param)
	}
}