package dao

import (
	"errors"
	"micro-document/api/members"
	"micro-document/internel/model"
	"micro-document/pkg/db"
	"time"

	"gorm.io/gorm"
)

type membersDao struct{}

var MembersDao = new(membersDao)

func (membersDao) AddMember(req *members.AddMemberReq) (err error) {
	err = db.DocDB.Model(&model.Members{}).Create(&model.Members{
		Uuid:         req.Uuid,
		Name:         req.Name,
		Brief:        req.Brief,
		Introduction: req.Introduction,
		Operator:     req.Operator,
		OperatorID:   req.OperatorId,
	}).Error
	if err != nil {
		return errors.New("新增成员失败")
	}
	//同步增加成员管理，委员会，董事会信息
	err = db.DocDB.Model(&model.Management{}).Create(&model.Management{
		Uuid:         req.Uuid,
		Name:         req.Name,
		Brief:        req.Brief,
		Introduction: req.Introduction,
	}).Error
	if err != nil {
		return errors.New("新增成员管理失败")
	}
	err = db.DocDB.Model(&model.BoardOfDirectors{}).Create(&model.BoardOfDirectors{
		Uuid:         req.Uuid,
		Name:         req.Name,
		Brief:        req.Brief,
		Introduction: req.Introduction,
	}).Error
	if err != nil {
		return errors.New("新增董事会失败")
	}
	err = db.DocDB.Model(&model.CommitteeAppointments{}).Create(&model.CommitteeAppointments{
		Uuid: req.Uuid,
		Name: req.Name,
	}).Error
	if err != nil {
		return errors.New("新增委员会失败")
	}
	return
}

func (membersDao) EditMember(req *members.EditMemberReq) (err error) {
	err = db.DocDB.Model(&model.Members{}).Where("uuid = ?", req.Uuid).Updates(&model.Members{
		Name:         req.Name,
		Brief:        req.Brief,
		Introduction: req.Introduction,
		Sort:         req.Sort,
		Operator:     req.Operator,
		OperatorID:   req.OperatorId,
		UpdatedAt:    time.Now(),
	}).Error
	return
}

func (membersDao) DeleteMember(req *members.DeleteMemberReq) (err error) {
	return db.DocDB.Transaction(func(tx *gorm.DB) error {
		// 检查所有相关记录的状态
		if err := checkAllStatus(tx, req.Uuid); err != nil {
			return err
		}

		// 删除所有相关记录
		if err := deleteAllRecords(tx, req.Uuid); err != nil {
			return err
		}

		return nil
	})
}

// 检查所有记录状态
func checkAllStatus(tx *gorm.DB, uuid string) error {
	tables := []struct {
		model interface{}
		name  string
	}{
		{&model.Management{}, "成员管理"},
		{&model.BoardOfDirectors{}, "董事会"},
		{&model.CommitteeAppointments{}, "委员会"},
	}

	for _, table := range tables {
		var count int64
		err := tx.Model(table.model).Where("uuid = ? AND status = ?", uuid, 1).Count(&count).Error
		if err != nil {
			return errors.New("查询" + table.name + "失败")
		}
		if count > 0 {
			return errors.New("该" + table.name + "已上架,不允许删除")
		}
	}
	return nil
}

// 删除所有记录
func deleteAllRecords(tx *gorm.DB, uuid string) error {
	tables := []struct {
		model interface{}
		name  string
	}{
		{&model.Members{}, "成员"},
		{&model.Management{}, "成员管理"},
		{&model.BoardOfDirectors{}, "董事会"},
		{&model.CommitteeAppointments{}, "委员会"},
	}

	for _, table := range tables {
		err := tx.Model(table.model).Where("uuid = ?", uuid).Delete(table.model).Error
		if err != nil {
			return errors.New("删除" + table.name + "失败")
		}
	}
	return nil
}

func (membersDao) GetMemberList(req *members.GetMemberListReq) (data []model.Members, total int64, err error) {
	dbQuery := db.DocDB.Model(&model.Members{})
	if req.Filterate != nil {
		if req.Filterate.Name != "" {
			dbQuery = dbQuery.Where("name like ?", "%"+req.Filterate.Name+"%")
		}
	}
	//数据查询
	dbQuery.Count(&total)
	err = dbQuery.Scopes(db.Pagination(req.Page, req.PageSize)).Find(&data).Error
	if err != nil {
		return
	}
	return
}

// 通过uuid查询成员管理
func (membersDao) GetManagementByUuid(uuid string) (management model.Management, err error) {
	management = model.Management{}
	err = db.DocDB.Model(&model.Management{}).Where("uuid = ?", uuid).First(&management).Error
	if err != nil {
		return
	}
	return
}

// 通过uuid查询董事会
func (membersDao) GetBoardOfDirectorsByUuid(uuid string) (boardOfDirectors model.BoardOfDirectors, err error) {
	boardOfDirectors = model.BoardOfDirectors{}
	err = db.DocDB.Model(&model.BoardOfDirectors{}).Where("uuid = ?", uuid).First(&boardOfDirectors).Error
	if err != nil {
		return
	}
	return
}

// 通过uuid查询委员会
func (membersDao) GetCommitteeAppointmentsByUuid(uuid string) (committeeAppointments model.CommitteeAppointments, err error) {
	committeeAppointments = model.CommitteeAppointments{}
	err = db.DocDB.Model(&model.CommitteeAppointments{}).Where("uuid = ?", uuid).First(&committeeAppointments).Error
	if err != nil {
		return
	}
	return
}

// 编辑成员管理
func (membersDao) EditManagement(req *members.EditManagementReq) (err error) {
	err = db.DocDB.Model(&model.Management{}).Where("uuid = ?", req.Uuid).Updates(&model.Management{
		Name:         req.Name,
		Image:        req.Image,
		Status:       req.Status,
		Brief:        req.Brief,
		Introduction: req.Introduction,
		IsSetting:    1,
	}).Error
	if err != nil {
		return errors.New("编辑成员管理失败")
	}
	//更新主表操作人员信息和时间
	err = db.DocDB.Model(&model.Members{}).Where("uuid = ?", req.Uuid).Updates(&model.Members{
		Operator:   req.Operator,
		OperatorID: req.OperatorId,
		UpdatedAt:  time.Now(),
	}).Error
	if err != nil {
		return errors.New("更新操作人员信息和时间失败")
	}
	return
}

// 编辑董事会
func (membersDao) EditBoardOfDirectors(req *members.EditBoardOfDirectorsReq) (err error) {
	err = db.DocDB.Model(&model.BoardOfDirectors{}).Where("uuid = ?", req.Uuid).Updates(&model.BoardOfDirectors{
		Name:         req.Name,
		Status:       req.Status,
		Brief:        req.Brief,
		Introduction: req.Introduction,
		IsSetting:    1,
	}).Error
	if err != nil {
		return errors.New("编辑董事会失败")
	}
	//更新主表操作人员信息和时间
	err = db.DocDB.Model(&model.Members{}).Where("uuid = ?", req.Uuid).Updates(&model.Members{
		Operator:   req.Operator,
		OperatorID: req.OperatorId,
		UpdatedAt:  time.Now(),
	}).Error
	if err != nil {
		return errors.New("更新操作人员信息和时间失败")
	}
	return
}

// 编辑委员会
func (membersDao) EditCommitteeAppointments(req *members.EditCommitteeAppointmentsReq) (err error) {
	err = db.DocDB.Model(&model.CommitteeAppointments{}).Where("uuid = ?", req.Uuid).Updates(&model.CommitteeAppointments{
		Name:                  req.Name,
		Status:                req.Status,
		AuditCommittee:        req.AuditCommittee,
		CompensationCommittee: req.CompensationCommittee,
		NominatingCommittee:   req.NominatingCommittee,
		IsSetting:             1,
	}).Error
	if err != nil {
		return errors.New("编辑委员会失败")
	}
	//更新主表操作人员信息和时间
	err = db.DocDB.Model(&model.Members{}).Where("uuid = ?", req.Uuid).Updates(&model.Members{
		Operator:   req.Operator,
		OperatorID: req.OperatorId,
		UpdatedAt:  time.Now(),
	}).Error
	if err != nil {
		return errors.New("更新操作人员信息和时间失败")
	}
	return
}