package repositories

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

type BizObjectAttrRepo struct {
    engine *xorm.Engine
}

func NewBizObjectAttrRepo(engine *xorm.Engine) *BizObjectAttrRepo {
    return &BizObjectAttrRepo{
        engine: engine,
    }
}

func (d *BizObjectAttrRepo) GetPage(m map[string]interface{}) (*viewmodel.PageResult, error) {
    limit      := m["limit"].(int)
    page       := m["page"].(int)
    
    sqlSelect  := ` SELECT    A.* ,
                              B.object_code `
    sqlFrom    := ` FROM      biz_object_attr AS A
                    LEFT JOIN biz_object      AS B ON(A.biz_id = B.biz_id AND A.object_id = B.object_id) `
    sqlWhere   := ` WHERE A.deleted_flag = 0     `
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.attr_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    
    sqlCount  := ` SELECT COUNT(*)              `
    total, err1 := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(viewmodel.BizObjectAttrInfo))
    if err1 != nil {
        return nil, err1
    }
    sqlOrderBy := " ORDER BY A.sort_no "
    
    pageStart  := (page - 1) * limit
    sqlLimit   := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)
    
    datalist := make([]viewmodel.BizObjectAttrInfo, 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 *BizObjectAttrRepo) GetList(m map[string]interface{}) ([]viewmodel.BizObjectAttrInfo, error) {
    sqlSelect  := ` SELECT    A.* ,
                              B.object_code `
    sqlFrom    := ` FROM      biz_object_attr AS A
                    LEFT JOIN biz_object      AS B ON(A.biz_id = B.biz_id AND A.object_id = B.object_id) `
    sqlWhere   := ` WHERE  A.deleted_flag = 0   `
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.attr_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    sqlOrderBy := " ORDER BY A.sort_no "
    
    datalist   := make([]viewmodel.BizObjectAttrInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *BizObjectAttrRepo) GetAll() ([]viewmodel.BizObjectAttrInfo, error) {
    sqlSelect  := ` SELECT    A.* ,
                              B.object_code `
    sqlFrom    := ` FROM      biz_object_attr AS A
                    LEFT JOIN biz_object      AS B ON(A.biz_id = B.biz_id AND A.object_id = B.object_id) `
    sqlWhere   := ` WHERE  A.deleted_flag = 0   `
    sqlOrderBy := ` ORDER BY A.sort_no          `
    
    datalist   := make([]viewmodel.BizObjectAttrInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *BizObjectAttrRepo) GetListById(bizId, objectId int64) ([]viewmodel.BizObjectAttrInfo, error) {
    sqlSelect  := ` SELECT    A.* ,
                              B.object_code `
    sqlFrom    := ` FROM      biz_object_attr AS A
                    LEFT JOIN biz_object      AS B ON(A.biz_id = B.biz_id AND A.object_id = B.object_id) `
    sqlWhere   := ` WHERE A.deleted_flag = 0   `
    sqlWhere   += fmt.Sprintf(" AND A.biz_id  = %d", bizId)
    sqlWhere   += fmt.Sprintf(" AND A.object_id = %d", objectId)
    sqlOrderBy := " ORDER BY A.sort_no "
    
    datalist   := make([]viewmodel.BizObjectAttrInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *BizObjectAttrRepo) GetById(bizId, objectId, attrId int64) (*viewmodel.BizObjectAttrInfo, error) {
    sqlSelect  := ` SELECT A.* ,
                           B.object_code `
    sqlFrom    := ` FROM      biz_object_attr AS A
                    LEFT JOIN biz_object      AS B ON(A.biz_id = B.biz_id AND A.object_id = B.object_id) `
    sqlWhere   := ` WHERE A.deleted_flag = 0   `
    sqlWhere   += fmt.Sprintf(" AND A.biz_id  = %d", bizId)
    sqlWhere   += fmt.Sprintf(" AND A.object_id = %d", objectId)
    data    := &viewmodel.BizObjectAttrInfo{}
    has, err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).Get(data)
    if !has || err != nil {
        return nil, err
    } else {
        return data, nil
    }
}

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

func (d *BizObjectAttrRepo) Update(data *datamodel.BizObjectAttr) error {
    bizId     := data.BizId
    objectId  := data.ObjectId
    attrId    := data.AttrId
    data.UpdatedAt = time.Now()
    _, err := d.engine.
        Where("biz_id = ?", bizId).
        Where("object_id = ?", objectId).
        Where("attr_id = ?", attrId).
        Update(data)
    return err
}

func (d *BizObjectAttrRepo) Delete(m map[string]interface{}) error {
    bizId   := m["bizId"].(int64)
    objectId  := m["objectId"].(int64)
    attrId    := m["attrId"].(int64)
    deletedBy := m["deletedBy"].(int64)
    
    data := &datamodel.BizObjectAttr{}
    data.DeletedFlag = 1
    data.DeletedBy   = deletedBy
    data.DeletedAt   = time.Now()
    _, err := d.engine.
        Where("biz_id = ?", bizId).
        Where("object_id = ?", objectId).
        Where("attr_id = ?", attrId).
        Delete(data)
    return err
}

func (d *BizObjectAttrRepo) DeleteByObjectId(bizId, objectId int64) error {
    data := &datamodel.BizObjectAttr{}
    _, err := d.engine.
        Where("biz_id = ?", bizId).
        Where("object_id = ?", objectId).
        Delete(data)
    return err
}