package data

import (
	"f1-game/internal/code"
	"f1-game/internal/extend/rand"
)

var (
	skillPoolWeightMap map[int32]*rand.Weight[*SkillPoolRow]
)

func (p *skillPoolConfig) OnAfterLoad(_ bool) {
	loadMap := map[int32]*rand.Weight[*SkillPoolRow]{}

	for poolID, rows := range p.poolIDSkillIDUniMaps {
		weight := rand.NewMapWeight(rows, func(v *SkillPoolRow) int32 {
			return v.Weight
		})
		loadMap[poolID] = weight
	}

	skillPoolWeightMap = loadMap
}

func (p *skillPoolConfig) GetWeighter(skillPoolID int32) (*rand.Weight[*SkillPoolRow], bool) {
	value, found := skillPoolWeightMap[skillPoolID]
	return value, found
}

func (p *skillPoolConfig) Random(skillPoolID int32) (*SkillPoolRow, int32) {
	weighter, ok := SkillPool.GetWeighter(skillPoolID)
	if !ok {
		return nil, code.ConfigNotFound_SkillPool
	}

	skillPoolRow := weighter.SelectOne()
	return skillPoolRow, code.OK
}