package cache

import (
	"context"
	"joybuywork/internal/app"
	"joybuywork/internal/plugins/jsonm"
	"joybuywork/internal/repository/dao"
	"joybuywork/internal/repository/dbcheck"
	"joybuywork/internal/repository/model"
	"joybuywork/internal/repository/withdefault"
	"fmt"
)

type FissionChat struct {
	Cache
}

func NewFissionChat(ctx context.Context) *FissionChat {
	c := new(FissionChat)
	c.init(ctx, &model.FissionChat{})

	return c
}

// FindByUniq 获取数据
func (c FissionChat) FindByUniq(campaignId, userId int64) (*model.FissionChat, error) {
	data, err := c.get(c.uniqKey(userId), func() ([]byte, error) {
		m := dao.Q.FissionChat
		data, err := m.WithContext(c.ctx).Where(m.UserID.Eq(userId), m.CancelTime.Eq(0)).Take()
		if err = dbcheck.DbError(err); err != nil {
			return nil, err
		}

		return jsonm.MarshalCkZero(data)
	}, WithNilSet(func() ([]byte, error) {
		chat := withdefault.FissionChat(&model.FissionChat{
			CampaignID: campaignId,
			UserID:     userId,
			CancelTime: 0,
		})

		err := dao.Q.FissionChat.WithContext(c.ctx).Create(chat)
		if err != nil {
			return nil, err
		}

		return jsonm.MarshalCkZero(chat)
	}))
	if err != nil {
		return nil, err
	}

	var conf *model.FissionChat
	err = jsonm.Unmarshal(data, &conf)

	return conf, err
}

func (c FissionChat) uniqKey(userId int64) string {
	return fmt.Sprintf("%s:user_id:%d", c.Prefix(), userId)
}

// Clear 清理缓存
func (c FissionChat) Clear(vals ...*model.FissionChat) error {
	var key []string
	for _, v := range vals {
		key = append(key, c.uniqKey(v.UserID))
	}

	if len(key) > 0 {
		return app.Redis.Cache.Del(c.ctx, key...).Err()
	}

	return nil
}