package cache

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

type FissionUserAttr struct {
	Cache
}

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

	return c
}

// FindByUniqIdx 通过唯一索引获取数据
func (c FissionUserAttr) FindByUniqIdx(userId int64, attr string, events ...Event) (*model.FissionUserAttr, error) {
	data, err := c.get(c.uniqKey(userId, attr), func() ([]byte, error) {
		m := dao.Q.FissionUserAttr
		data, err := m.WithContext(c.ctx).Where(m.UserID.Eq(userId), m.Attr.Eq(attr)).Take()
		if err = dbcheck.DbError(err); err != nil {
			return nil, err
		}

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

	var info *model.FissionUserAttr
	err = jsonm.Unmarshal(data, &info)

	return info, err
}

func (c FissionUserAttr) uniqKey(userId int64, attr string) string {
	return fmt.Sprintf("%s:%d_%s", c.Prefix(), userId, attr)
}

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

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

	return nil
}