package main

import (
	"fmt"
	"golang.org/x/exp/maps"
	"time"

	"mongo.games.com/goserver/core/logger"
	"mongo.games.com/goserver/core/module"

	"mongo.games.com/game/common"
	"mongo.games.com/game/model"
	webapiproto "mongo.games.com/game/protocol/webapi"
)

var RedPacketMgrInst = &RedPacketMgr{
	RedPacketData: make(map[string]map[int64]*model.RedPacket),
}

func init() {
	module.RegisteModule(RedPacketMgrInst, time.Hour, 0)

	common.RegisterClockFunc(&common.ClockFunc{
		OnDayTimerFunc: func() {
			RedPacketMgrInst.RedPacketData = make(map[string]map[int64]*model.RedPacket)
		},
	})
}

type RedPacketMgr struct {
	RedPacketData map[string]map[int64]*model.RedPacket // 红包活动状态 平台：活动id：活动状态
}

func (m *RedPacketMgr) ModuleName() string {
	return "RedPacketMgr"
}

func (m *RedPacketMgr) Init() {
	// 加载红包配置
	for _, v := range PlatformMgrSingleton.GetPlatforms() {
		if v == nil || v.IdStr == common.Platform_Sys {
			continue
		}
		list, err := model.GetRedPacketAll(v.IdStr)
		if err != nil {
			panic(fmt.Sprintf("GetRedPacketAll error: %v", err))
		}
		for _, v1 := range list {
			if m.RedPacketData[v.IdStr] == nil {
				m.RedPacketData[v.IdStr] = make(map[int64]*model.RedPacket)
			}
			m.RedPacketData[v.IdStr][v1.Cid] = &model.RedPacket{
				Cid: v1.Cid,
				Use: v1.Use,
				Ts:  v1.Ts,
			}
		}
	}
}

func (m *RedPacketMgr) Update() {
}

func (m *RedPacketMgr) Shutdown() {
	// 保存红包配置
	for k, v := range m.RedPacketData {
		if err := model.UpdateRedPacketAll(k, maps.Values(v)); err != nil {
			logger.Logger.Errorf("UpdateRedPacketAll error: %v", err)
		}
	}

	module.UnregisteModule(m)
}

// GetRemainReward 获取剩余奖励数量
func (m *RedPacketMgr) GetRemainReward(plt string, id int64) int64 {
	v, ok := m.RedPacketData[plt]
	if !ok {
		v = make(map[int64]*model.RedPacket)
		m.RedPacketData[plt] = v
	}
	d, ok := v[id]
	if !ok {
		d = &model.RedPacket{
			Cid: id,
			Use: make(map[int64]int64),
			Ts:  time.Now().Unix(),
		}
		v[id] = d
	}

	cfg := WelfareMgrSington.GetConfig(plt).RedPacketConfig
	if cfg == nil {
		return 0
	}

	for _, v := range cfg.GetList() {
		if v.Id == id {
			total := 0
			for k1, v1 := range d.Use {
				total += int(k1 * v1)
			}

			ret := v.GetTotalNum() - int64(total)
			if ret < 0 {
				ret = 0
			}
			return ret
		}
	}

	return 0

}

// GetRemainTimes 获取剩余次数
// 返回最大次数和剩余次数
func (m *RedPacketMgr) GetRemainTimes(p *Player, id int64) (int64, int64) {
	var cfg *webapiproto.RedPacketInfo
	for _, v := range WelfareMgrSington.GetConfig(p.Platform).RedPacketConfig.GetList() {
		if v.GetId() == id {
			cfg = v
			break
		}
	}
	return m.GetRemainTimesByConfig(p, cfg)
}

// GetRemainTimesByConfig 获取剩余次数
// 返回最大次数和剩余次数
func (m *RedPacketMgr) GetRemainTimesByConfig(p *Player, cfg *webapiproto.RedPacketInfo) (int64, int64) {
	if cfg == nil {
		return 0, 0
	}

	if cfg.GetMaxCount() <= 0 {
		return -1, -1
	}

	n := 0
	if p.WelfData != nil && p.WelfData.RedPacket != nil {
		if _, exist := p.WelfData.RedPacket[cfg.GetId()]; exist {
			n = int(p.WelfData.RedPacket[cfg.GetId()].N)
		}
	}
	remainCount := cfg.GetMaxCount() - int64(n)
	if remainCount < 0 {
		remainCount = 0
	}
	return cfg.GetMaxCount(), remainCount
}

// AddUse 添加使用红包
func (m *RedPacketMgr) AddUse(plt string, id int64, n int64) {
	v, ok := m.RedPacketData[plt]
	if !ok {
		v = make(map[int64]*model.RedPacket)
		m.RedPacketData[plt] = v
	}
	d, ok := v[id]
	if !ok {
		d = &model.RedPacket{
			Cid: id,
			Use: make(map[int64]int64),
			Ts:  time.Now().Unix(),
		}
		v[id] = d
	}
	d.Use[n]++
	d.Ts = time.Now().Unix()
}