package noble_m

import (
	"git.hilo.cn/hilo-common/resource/mysql"
	"gorm.io/gorm"
	"time"
)

type UserNoble struct {
	mysql.Entity
	UserId  uint64
	Level   uint16
	EndTime time.Time
}

func (ub *UserNoble) Create(db *gorm.DB) error {
	return db.Create(ub).Error
}

func (ub *UserNoble) UpdateEndTime(db *gorm.DB, endTime time.Time) (int64, error) {
	r := db.Model(&UserNoble{}).Where(ub).Update("end_time", endTime)
	return r.RowsAffected, r.Error
}

// 延长贵族
func (ub *UserNoble) ExtenedEndTime(db *gorm.DB, day int) (int64, error) {
	r := db.Model(&UserNoble{}).Where(ub).Update("end_time", gorm.Expr("DATE_ADD(end_time,INTERVAL ? day)", day))
	return r.RowsAffected, r.Error
}

// 查询用户未过期的贵族
func (ub *UserNoble) Find(db *gorm.DB) ([]UserNoble, error) {
	rows := make([]UserNoble, 0)
	if err := db.Where(ub).Where("end_time>=NOW()").Order("level DESC").Find(&rows).Error; err != nil {
		return nil, err
	}
	return rows, nil
}

// 查询用户所有的贵族（包括已过期）
func (ub *UserNoble) FindAll(db *gorm.DB) ([]UserNoble, error) {
	rows := make([]UserNoble, 0)
	if err := db.Where(ub).Order("level DESC").Find(&rows).Error; err != nil {
		return nil, err
	}
	return rows, nil
}

func RemoveNoble(db *gorm.DB, userId uint64, level uint16) error {
	ub := UserNoble{
		UserId: userId,
		Level:  level,
	}
	return ub.Delete(db)
}

func (ub *UserNoble) Delete(db *gorm.DB) error {
	return db.Where(ub).Delete(&UserNoble{}).Error
}

func FindActiveNoble(db *gorm.DB, userId uint64) (*UserNoble, error) {
	ub := UserNoble{
		UserId: userId,
	}
	records, err := ub.Find(db)
	if err != nil {
		return nil, err
	}
	if len(records) <= 0 {
		return nil, nil
	}
	return &records[0], nil
}

func GetNobleLevel(db *gorm.DB, userId uint64) (uint16, error) {
	noble, err := FindActiveNoble(db, userId)
	if err != nil {
		return 0, err
	}
	if noble == nil {
		return 0, nil
	} else {
		return noble.Level, nil
	}
}

func BatchGetNobleLevel(db *gorm.DB, userIds []uint64) (map[uint64]uint16, error) {
	m, err := BatchGetActiveNoble(db, userIds)
	if err != nil {
		return nil, err
	}
	result := make(map[uint64]uint16, 0)
	for _, i := range userIds {
		result[i] = m[i].Level
	}
	return result, nil
}

func BatchGetActiveNoble(db *gorm.DB, userIds []uint64) (map[uint64]UserNoble, error) {
	ub := UserNoble{}

	records, err := ub.batchGet(db, userIds)
	if err != nil {
		return nil, err
	}
	result := make(map[uint64]UserNoble, 0)
	for _, i := range userIds {
		if len(records[i]) > 0 {
			result[i] = records[i][0]
		} else {
			result[i] = UserNoble{}
		}
	}

	return result, nil
}

// 查询用户未过期的贵族
func (ub *UserNoble) batchGet(db *gorm.DB, userIds []uint64) (map[uint64][]UserNoble, error) {
	rows := make([]UserNoble, 0)
	if err := db.Model(ub).Where("end_time>=NOW() AND user_id IN ?", userIds).Order("level DESC").Find(&rows).Error; err != nil {
		return nil, err
	}
	result := make(map[uint64][]UserNoble, 0)
	for _, i := range rows {
		if _, ok := result[i.UserId]; !ok {
			result[i.UserId] = make([]UserNoble, 0)
		}
		result[i.UserId] = append(result[i.UserId], i)
	}
	return result, nil
}