package service

import (
	"blazing/common/data"
	"blazing/cool"
	"blazing/modules/config/model"
	"context"
	"encoding/json"

	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
	"github.com/gogf/gf/v2/util/grand"
)

type ShinyService struct {
	*cool.Service
}

func NewShinyService() *ShinyService {
	return &ShinyService{
		&cool.Service{
			Model: model.NewColorfulSkin(),
			ListQueryOp: &cool.QueryOp{
				FieldEQ: []string{"is_enable"},
			},
			InsertParam: func(ctx context.Context) g.MapStrAny {
				admin := cool.GetAdmin(ctx)
				userId := admin.UserId
				return g.MapStrAny{
					"author": userId,
				}
			},
		},
	}
}
func (s *ShinyService) ModifyBefore(ctx context.Context, method string, param g.MapStrAny) (err error) {
	var t data.GlowFilter

	if method == "Delete" {
		return nil
	}
	r := json.Unmarshal([]byte(gconv.String(param["color"])), &t)
	if r != nil {
		return r
	}
	return nil
}

func (s *ShinyService) listByPetID(id uint32) []model.ColorfulSkin {
	var ret []model.ColorfulSkin

	dbm_enable(s.Model).
		Wheref(`CAST(? AS text) = ANY(ARRAY(SELECT jsonb_array_elements_text(bind_elf_ids)))`, id).
		Wheref(`jsonb_typeof(bind_elf_ids) = ?`, "array").
		Scan(&ret)

	return ret
}

func pickColorfulSkinByWeight(items []model.ColorfulSkin) *model.ColorfulSkin {
	if len(items) == 0 {
		return nil
	}

	totalWeight := 0
	for _, item := range items {
		if item.ElfProbability > 0 {
			totalWeight += int(item.ElfProbability)
		}
	}
	if totalWeight <= 0 {
		return &items[grand.Intn(len(items))]
	}

	randomValue := grand.Intn(totalWeight)
	for i := range items {
		weight := int(items[i].ElfProbability)
		if weight <= 0 {
			continue
		}
		if randomValue < weight {
			return &items[i]
		}
		randomValue -= weight
	}

	return &items[0]
}

func (s *ShinyService) RandShiny(id uint32) *data.GlowFilter {
	ret := s.listByPetID(id)

	for _, v := range ret {
		id := v.ID

		if grand.Meet(int(v.ElfProbability), 1000) {

			if cool.Config.ServerInfo.IsVip == 0 {
				m := cool.DBM(s.Model).Where("id", id)
				m.Increment("usage_count", 1)
			}

			return &v.Color

		}
	}
	if len(ret) == 0 {
		return nil
	}

	var t = data.GetDef()

	t.ColorMatrixFilter = model.GenerateRandomParentMatrix().Get()

	return &t
}

func (s *ShinyService) RandomByWeightShiny(id uint32) *data.GlowFilter {
	r := pickColorfulSkinByWeight(s.listByPetID(id))
	if r == nil {
		return nil
	}
	if cool.Config.ServerInfo.IsVip == 0 {
		m := cool.DBM(s.Model).Where("id", r.ID)
		m.Increment("refresh_count", 1)
	}

	return &r.Color

}
func (s *ShinyService) GetShiny(id int) *data.GlowFilter {
	var ret []model.ColorfulSkin

	// 执行 Raw SQL 并扫描返回值
	dbm_nocache_noenable(s.Model).
		Where("id", id).Scan(&ret)
	if len(ret) == 0 {
		return nil
	}
	v := ret[grand.Intn(len(ret))]

	return &v.Color

}