package repositories

import (
	"fmt"
	"time"
	"xorm.io/xorm"
	"xps/datamodels"
	"xps/viewmodels"
)

type EntCatRepo struct {
	engine *xorm.Engine
}

func NewEntCatRepo(engine *xorm.Engine) *EntCatRepo {
	return &EntCatRepo{
		engine: engine,
	}
}

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

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

	sqlCount := ` SELECT COUNT(*)          `
	total, err1 := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(datamodels.EntCat))
	if err1 != nil {
		return nil, err1
	}

	sqlOrderBy := " ORDER BY ent_cat_id DESC "
	pageStart  := (page - 1) * limit
	sqlLimit   := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)

	datalist := make([]datamodels.EntCat, 0)
	err2 := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy + sqlLimit).Find(&datalist)
	if err2 != nil {
		return nil, err2
	}

	pageResult := &viewmodels.PageResult{}
	pageResult.Data     = datalist
	pageResult.Total    = total
	pageResult.PageSize = limit
	pageResult.Page     = page
	return pageResult, nil
}

func (d *EntCatRepo) GetList(m map[string]interface{}) ([]viewmodels.EntCatInfo, error) {
	sqlSelect := ` SELECT A.*               `
	sqlFrom   := ` FROM  ent_cat   AS A     `
	sqlWhere  := ` WHERE A.deleted_flag = 0 `
	if keywords, ok := m["keywords"]; ok {
		sqlWhere += " AND A.ent_cat_title like " + "'%" + fmt.Sprintf("%s", keywords) + "%'"
	}
	sqlOrderBy := " ORDER BY ent_cat_id DESC "
	
	datalist := make([]viewmodels.EntCatInfo, 0)
	err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
	if err != nil {
		return nil, err
	} else {
		return datalist, nil
	}
}

func (d *EntCatRepo) GetById(entCatId int64) (*viewmodels.EntCatInfo, error) {
	data := &viewmodels.EntCatInfo{}
	ok, err := d.engine.Where("ent_cat_id = ?", entCatId).Get(data)
	if !ok || err != nil {
		return nil, err
	} else {
		return data, nil
	}
}

func (d *EntCatRepo) Create(data *datamodels.EntCat) error {
	data.CreatedAt = time.Now()
	_, err := d.engine.Insert(data)
	return err
}

func (d *EntCatRepo) Update(data *datamodels.EntCat) error {
	entCatId := data.EntCatId

	data.UpdatedAt = time.Now()
	_, err := d.engine.
		Where("ent_cat_id = ?", entCatId).
		Update(data)
	return err
}

func (d *EntCatRepo) Delete(m map[string]interface{}) error {
	entCatId := m["entCatId"].(int64)
	deletedBy := m["deletedBy"].(int64)

	data := &datamodels.EntCat{}
	data.DeletedFlag = 1
	data.DeletedBy = deletedBy
	data.DeletedAt = time.Now()
	_, err := d.engine.
		Where("ent_cat_id = ?", entCatId).
		Update(data)
	return err
}