package redis

import (
	"f1-game/internal/data"
	nameLua "f1-game/internal/name/lua"
	"fmt"

	clog "github.com/cherry-game/cherry/logger"
	cprofile "github.com/cherry-game/cherry/profile"
)

const (
	guidInitValue   = 1048576
	uidInitValue    = 1048576
	chatInitValue   = 1024
	leagueInitValue = 1874
)

type (
	guid struct {
		*client
		guidKey     string // 全局 ID
		uidKey      string // 全局 uid
		chatIDKey   string // 全局聊天室唯一ID
		leagueIDKey string // 全局联盟唯一ID
	}
)

func newGUID() *guid {
	return &guid{}
}

func (p *guid) setKey() {
	prefix := fmt.Sprintf("%s-guid:", cprofile.Env())
	p.guidKey = prefix + "guid"          // type = string key = guid
	p.uidKey = prefix + "uid"            // type = string key = uid
	p.chatIDKey = prefix + "chat-id"     // type = string key = chat-id
	p.leagueIDKey = prefix + "league-id" // type = string key = league-id
}

func (p *guid) ConfigID() string {
	return "guid_redis_id"
}

func (p *guid) load(client *client) {
	p.client = client
	p.setKey()
	// 检查 guid key
	p.checkKey()
}

func (p *guid) checkKey() {
	current := p.checkGUID(p.guidKey, guidInitValue)
	clog.Infof("check guid. [current = %d]", current)

	current = p.checkGUID(p.uidKey, uidInitValue)
	clog.Infof("check uid. [current = %d]", current)

	current = p.checkGUID(p.chatIDKey, chatInitValue)
	clog.Infof("check chatid. [current = %d]", current)

	current = p.checkGUID(p.leagueIDKey, leagueInitValue)
	clog.Infof("check leagueid. [current = %d]", current)

}

func (p *guid) NewGUID() int64 {
	intCmd := p.Incr(p.Context(), p.guidKey)
	return intCmd.Val()
}

func (p *guid) NewUID() int64 {
	intCmd := p.Incr(p.Context(), p.uidKey)
	return intCmd.Val()
}

func (p *guid) NewChatID() int64 {
	intCmd := p.Incr(p.Context(), p.chatIDKey)
	return intCmd.Val()
}

func (p *guid) NewLeagueID() int64 {
	intCmd := p.Incr(p.Context(), p.leagueIDKey)
	return intCmd.Val()
}

func (p *guid) checkGUID(key string, initValue int64) int64 {
	script, found := data.Lua.Get(nameLua.Check_Guid)
	if !found {
		return 0
	}

	cmd := script.Run(p.Context(), p.client, []string{key}, initValue)
	result, err := cmd.Result()
	if err != nil {
		clog.Warnf("checkGUID error. key = %s, initValue = %d, err = %v", key, initValue, err.Error())
		return 0
	}
	return result.(int64)
}