package repositories

import (
	"fmt"
	"time"
	"xorm.io/xorm"
	"xps/datamodel"
    "xps/viewmodel"
)

type GroupCatRepo struct {
	engine *xorm.Engine
}

func NewGroupCatRepo(engine *xorm.Engine) *GroupCatRepo {
	return &GroupCatRepo{
		engine: engine,
	}
}

func (d *GroupCatRepo) GetPage(m map[string]interface{})(*viewmodel.PageResult, error) {
	ocId      := m["ocId"].(int64)
	limit     := m["limit"].(int)
	page      := m["page"].(int)

	sqlSelect := ` SELECT A.*                 `
	sqlFrom   := ` FROM   s_group_cat   AS A  `
	sqlWhere  := ` WHERE  A.deleted_flag = 0 AND A.oc_id = ` + fmt.Sprintf("%d", ocId)
	
	if keywords, ok := m["keywords"]; ok {
		sqlWhere += ` AND   A.group_cat_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
	}

	sqlCount := ` SELECT COUNT(*)            `
	total, err1 := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(datamodel.GroupCat))
	if err1 != nil {
		return nil, err1
	}
	
	sqlOrderBy := " ORDER BY group_cat_id DESC "
	pageStart  := (page - 1) * limit
	sqlLimit   := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)
	
	datalist := make([]datamodel.GroupCat, 0)
	err2 := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy + sqlLimit).Find(&datalist)
	if err2 != nil {
		return nil, err2
	}
	
	pageResult := &viewmodel.PageResult{}
	pageResult.Data     = datalist
	pageResult.Total    = total
	pageResult.PageSize = limit
	pageResult.Page     = page
	return pageResult, nil

}

func (d *GroupCatRepo) GetList(m map[string]interface{})([]viewmodel.GroupCatInfo, error) {
	ocId      := m["ocId"].(int64)
	
	sqlSelect := ` SELECT A.*                 `
	sqlFrom   := ` FROM   s_group_cat   AS A  `
	sqlWhere  := ` WHERE  A.deleted_flag = 0  AND A.oc_id =` + fmt.Sprintf("%d", ocId)
	if keywords, ok := m["keywords"]; ok {
		sqlWhere += ` AND A.group_cat_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
	}

	sqlOrderBy := " ORDER BY group_cat_id DESC "
	datalist   := make([]viewmodel.GroupCatInfo, 0)
	err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
	if err != nil {
		return nil, err
	} else {
		return datalist, nil
	}
}

func (d *GroupCatRepo) GetById(ocId int64, groupCatId int64)(*viewmodel.GroupCatInfo, error){
	sqlSelect := ` SELECT A.*                 `
	sqlFrom   := ` FROM   s_group_cat   AS A  `
	sqlWhere  := ` WHERE  A.deleted_flag = 0 `
	sqlWhere  +=  fmt.Sprintf("AND A.oc_id = %d ", ocId)
	sqlWhere  +=  fmt.Sprintf("AND A.group_cat_id = %d ", groupCatId)
	
	data := &viewmodel.GroupCatInfo{}
	has, err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).Get(data)
	if !has || err != nil {
		return nil, err
	} else {
		return data, nil
	}
}

func (d *GroupCatRepo) Create(data *datamodel.GroupCat) error {
	data.CreatedAt = time.Now()
	_, err := d.engine.Insert(data)
	return err
}

func (d *GroupCatRepo) Update(data *datamodel.GroupCat) error {
	ocId       := data.OcId
	groupCatId := data.GroupCatId
	
	data.UpdatedAt = time.Now()
	_, err := d.engine.Where("oc_id = ?", ocId).Where("group_cat_id = ?", groupCatId).Update(data)
	return err
}

func (d *GroupCatRepo) Delete(m map[string]interface{}) error {
	ocId       := m["ocId"].(int64)
	groupCatId := m["groupCatId"].(int64)
	deletedBy  := m["deletedBy"].(int64)
	
	data := &datamodel.GroupCat{}
	data.DeletedFlag = 1
	data.DeletedBy   = deletedBy
	data.DeletedAt   = time.Now()
	_, err := d.engine.Where("oc_id = ?", ocId).Where("group_cat_id = ?", groupCatId).Update(data)
	return err
}