package models

type StatEntry struct {
	ID     int     `json:"id"`
	Name   string  `json:"name"`
	Weight float64 `json:"weight"`
}

type StatProgressEntry struct {
	StatEntry

	Acquired int `json:"acquired"`
	Required int `json:"required"`
}

type Stat struct {
	StatEntry

	Description    string         `json:"description"`
	AllowedAmounts map[string]int `json:"allowedAmounts"`
}

func (stat *Stat) Update(update StatUpdate) {
	if update.Name != nil {
		stat.Name = *update.Name
	}
	if update.Description != nil {
		stat.Description = *update.Description
	}
	if update.Weight != nil {
		stat.Weight = *update.Weight
	}
	for key, value := range update.AllowedAmounts {
		if stat.AllowedAmounts == nil {
			stat.AllowedAmounts = make(map[string]int, len(update.AllowedAmounts))
		}
		if value <= 0 {
			delete(stat.AllowedAmounts, key)
		} else {
			stat.AllowedAmounts[key] = value
		}
	}
	if len(stat.AllowedAmounts) == 0 {
		stat.AllowedAmounts = nil
	}
}

type StatUpdate struct {
	Name           *string        `json:"name"`
	Description    *string        `json:"description"`
	Weight         *float64       `json:"weight"`
	AllowedAmounts map[string]int `json:"allowedAmounts"`
}

func (stat *Stat) AllowsAmount(amount int) bool {
	if stat == nil {
		return false
	}
	if stat.AllowedAmounts == nil || len(stat.AllowedAmounts) == 0 {
		return true
	}

	for _, v := range stat.AllowedAmounts {
		if v == amount {
			return true
		}
	}

	return false
}