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 ProjectUser struct {
	Cache
}

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

	return c
}

// FindById 获取数据
func (c ProjectUser) FindById(id int64) (*model.ProjectUser, error) {
	data, err := c.get(c.pkKey(id), func() ([]byte, error) {
		m := dao.Q.ProjectUser
		data, err := m.WithContext(c.ctx).Where(m.ID.Eq(id)).Take()
		if err = dbcheck.DbError(err); err != nil {
			return nil, err
		}

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

	var project *model.ProjectUser
	err = jsonm.Unmarshal(data, &project)

	return project, err
}

// FindByUniqId 获取数据
func (c ProjectUser) FindByUniqId(projectId int64, userId string) (*model.ProjectUser, error) {
	data, err := c.get(c.uniqId(projectId, userId), func() ([]byte, error) {
		m := dao.Q.ProjectUser
		data, err := m.WithContext(c.ctx).Where(m.ProjectID.Eq(projectId), m.UserID.Eq(userId)).Take()
		if err = dbcheck.DbError(err); err != nil {
			return nil, err
		}

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

	var project *model.ProjectUser
	err = jsonm.Unmarshal(data, &project)

	return project, err
}

func (c ProjectUser) pkKey(id int64) string {
	return fmt.Sprintf("%s:%d", c.Prefix(), id)
}

func (c ProjectUser) uniqId(projectId int64, userId string) string {
	return fmt.Sprintf("%s:project_id:%d:user_id:%s", c.Prefix(), projectId, userId)
}

// Clear 清理缓存
func (c ProjectUser) Clear(projects ...*model.ProjectUser) error {
	var key []string
	for _, v := range projects {
		key = append(key, c.uniqId(v.ProjectID, v.UserID), c.pkKey(v.ID))
	}

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

	return nil
}