package model

import (
	"apsClient/constvar"
	"apsClient/pkg/sqlitex"
	"errors"
	"fmt"
	"github.com/jinzhu/gorm"
	"sync"
)

type (
	// SystemStatus 系统状态
	SystemStatus struct {
		CommonModel
		Key   constvar.SystemStatusKey   `json:"key" gorm:"column:key;type:varchar(255);not null"`
		Value constvar.SystemStatusValue `json:"value" gorm:"column:value;type:varchar(255);not null"`
	}

	// SystemStatusSearch 系统状态搜索条件
	SystemStatusSearch struct {
		SystemStatus
		Orm      *gorm.DB
		Keyword  string
		PageNum  int
		PageSize int
	}
)

func (SystemStatus) TableName() string {
	return "system_status"
}

func NewSystemStatusSearch() *SystemStatusSearch {
	return &SystemStatusSearch{
		Orm: sqlitex.GetDB(),
	}
}

func (slf *SystemStatusSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&SystemStatus{})
	if slf.ID != 0 {
		db = db.Where("id = ?", slf.ID)
	}
	if slf.Key != "" {
		db = db.Where("key = ?", slf.Key)
	}

	return db
}

func (slf *SystemStatusSearch) Create(record *SystemStatus) error {
	var db = slf.build()
	return db.Create(record).Error
}

func (slf *SystemStatusSearch) CreateBatch(records []*SystemStatus) error {
	var db = slf.build()
	for _, record := range records {
		db.Create(record)
	}
	return nil
}

func (slf *SystemStatusSearch) Delete() error {
	var db = slf.build()
	return db.Delete(&SystemStatus{}).Error
}

func (slf *SystemStatusSearch) Update(record *SystemStatus) error {
	var db = slf.build()
	return db.Updates(record).Error
}

func (slf *SystemStatusSearch) FindAll() ([]*SystemStatus, error) {
	var db = slf.build()
	var record = make([]*SystemStatus, 0)
	err := db.Find(&record).Error
	return record, err
}

func (slf *SystemStatusSearch) SetId(id uint) *SystemStatusSearch {
	slf.ID = id
	return slf
}

func (slf *SystemStatusSearch) SetKey(key constvar.SystemStatusKey) *SystemStatusSearch {
	slf.Key = key
	return slf
}

func (slf *SystemStatusSearch) SetPage(page, size int) *SystemStatusSearch {
	slf.PageNum, slf.PageSize = page, size
	return slf
}

func (slf *SystemStatusSearch) SetOrm(tx *gorm.DB) *SystemStatusSearch {
	slf.Orm = tx
	return slf
}

func (slf *SystemStatusSearch) First() (*SystemStatus, error) {
	var db = slf.build()
	var record = new(SystemStatus)
	err := db.First(record).Error
	return record, err
}

func (slf *SystemStatusSearch) Updates(values interface{}) error {
	var db = slf.build()
	return db.Updates(values).Error
}

func (slf *SystemStatusSearch) Save(record *SystemStatus) error {
	if record.ID == 0 {
		return errors.New("id为空")
	}
	var db = slf.build()

	if err := db.Save(record).Error; err != nil {
		return fmt.Errorf("save err: %v, record: %+v", err, record)
	}

	return nil
}

func (slf *SystemStatusSearch) Find() ([]*SystemStatus, int64, error) {
	var db = slf.build()
	var records = make([]*SystemStatus, 0)
	var total int64
	if err := db.Count(&total).Error; err != nil {
		return records, total, err
	}
	if slf.PageNum > 0 && slf.PageSize > 0 {
		db = db.Limit(slf.PageSize).Offset((slf.PageNum - 1) * slf.PageSize)
	}

	err := db.Find(&records).Error
	return records, total, err
}

// InitDefaultData 初始化数据
func (slf *SystemStatusSearch) InitDefaultData(errCh chan<- error, wg *sync.WaitGroup) {
	var (
		db          = slf.Orm.Table(slf.TableName())
		total int64 = 0
	)
	defer wg.Done()

	if err := db.Count(&total).Error; err != nil {
		errCh <- err
		return
	}
	if total != 0 {
		return
	}
	records := []*SystemStatus{
		{
			Key:   constvar.SystemStatusKeyNsq,
			Value: constvar.SystemStatusValueNormal,
		},
	}
	err := slf.CreateBatch(records)
	if err != nil {
		errCh <- err
		return
	}
}