package family

import (
	"git.sxidc.com/go-framework/baize/framework/core/domain"
	"git.sxidc.com/go-framework/baize/framework/core/domain/entity"
	"git.sxidc.com/go-framework/baize/framework/core/tag/check"
	"git.sxidc.com/go-tools/utils/strutils"
	"github.com/pkg/errors"
)

const (
	FieldFather = "Father"
	FieldMother = "Mother"
)

var (
	ColumnFather = domain.ColumnName(FieldFather)
	ColumnMother = domain.ColumnName(FieldMother)
)

var fieldMap = map[string]string{
	FieldFather: "父亲姓名",
	FieldMother: "母亲姓名",
}

type Entity struct {
	entity.Base
	Father    string `sqlmapping:"column:father" sqlresult:"column:father" check:"required,lte=128"`
	Mother    string `sqlmapping:"column:mother" sqlresult:"column:mother" check:"required,lte=128"`
	StudentID string `sqlmapping:"column:student_id" sqlresult:"column:student_id" check:"required,eq=32"`
	entity.TimeFields
}

func (e *Entity) DomainCNName() string {
	return "家庭"
}

func (e *Entity) DomainCamelName() string {
	return "Family"
}

func (e *Entity) ForCreate() error {
	checkResult := check.Struct(e, fieldMap)

	err := entity.CheckFieldIDResult(checkResult)
	if err != nil {
		return err
	}

	err = domain.CheckField(checkResult, e.DomainCNName(), FieldFather)
	if err != nil {
		return err
	}

	err = domain.CheckField(checkResult, e.DomainCNName(), FieldMother)
	if err != nil {
		return err
	}

	return nil
}

func (e *Entity) ForDelete() error {
	checkResult := check.Struct(e, fieldMap)

	err := entity.CheckFieldIDResult(checkResult)
	if err != nil {
		return err
	}

	return nil
}

func (e *Entity) ForUpdate() error {
	checkResult := check.Struct(e, fieldMap)

	err := entity.CheckFieldIDResult(checkResult)
	if err != nil {
		return err
	}

	err = e.checkUpdateFields(checkResult)
	if err != nil {
		return err
	}

	return nil
}

func (e *Entity) checkUpdateFields(checkResult check.Result) error {
	if strutils.AllBlank(e.Father, e.Mother) {
		return errors.New(e.DomainCNName() + "没有传递需要更新的字段")
	}

	if strutils.IsStringNotEmpty(e.Father) {
		err := domain.CheckField(checkResult, e.DomainCNName(), FieldFather)
		if err != nil {
			return err
		}
	}

	if strutils.IsStringNotEmpty(e.Mother) {
		err := domain.CheckField(checkResult, e.DomainCNName(), FieldMother)
		if err != nil {
			return err
		}
	}

	return nil
}