package repository

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

type ModelObjectAttrRepo struct {
    engine *xorm.Engine
}

func NewModelObjectAttrRepo(engine *xorm.Engine) *ModelObjectAttrRepo {
    return &ModelObjectAttrRepo{
        engine: engine,
    }
}

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

    sqlSelect := ` SELECT    A.*,
                             B.object_code   `
    sqlFrom := ` FROM      ds_object_attr AS A
                   LEFT JOIN ds_object      AS B ON (A.model_id = B.model_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.ModelObjectAttrInfo))
    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.ModelObjectAttrInfo, 0)
    err2 := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy + sqlLimit).Find(&datalist)
    if err2 != nil {
        return nil, err2
    }

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

func (d *ModelObjectAttrRepo) GetList(m map[string]interface{}) ([]viewmodel.ModelObjectAttrInfo, error) {
    sqlSelect := ` SELECT    A.*,
                              B.object_code   `
    sqlFrom := ` FROM      ds_object_attr AS A
                    LEFT JOIN ds_object      AS B ON (A.model_id = B.model_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.ModelObjectAttrInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *ModelObjectAttrRepo) GetAll() ([]viewmodel.ModelObjectAttrInfo, error) {
    sqlSelect := ` SELECT    A.*,
                             B.object_code   `
    sqlFrom := ` FROM      ds_object_attr AS A
                   LEFT JOIN ds_object      AS B ON (A.model_id = B.model_id AND A.object_id = B.object_id)`
    sqlWhere := ` WHERE  A.deleted_flag = 0   `
    sqlOrderBy := ` ORDER BY A.sort_no          `

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

func (d *ModelObjectAttrRepo) GetListById(modelId, objectId int64) ([]viewmodel.ModelObjectAttrInfo, error) {
    sqlSelect := ` SELECT    A.*,
                             B.object_code   `
    sqlFrom := ` FROM      ds_object_attr AS A
                   LEFT JOIN ds_object      AS B ON (A.model_id = B.model_id AND A.object_id = B.object_id)`
    sqlWhere := ` WHERE A.deleted_flag = 0   `
    sqlWhere += fmt.Sprintf(" AND A.model_id  = %d", modelId)
    sqlWhere += fmt.Sprintf(" AND A.object_id = %d", objectId)
    sqlOrderBy := " ORDER BY A.sort_no "

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

func (d *ModelObjectAttrRepo) GetById(modelId, objectId, attrId int64) (*viewmodel.ModelObjectAttrInfo, error) {
    sqlSelect := ` SELECT    A.*,
                             B.object_code   `
    sqlFrom := ` FROM      ds_object_attr AS A
                   LEFT JOIN ds_object      AS B ON (A.model_id = B.model_id AND A.object_id = B.object_id)`
    sqlWhere := ` WHERE A.deleted_flag = 0   `
    sqlWhere += fmt.Sprintf(" AND A.model_id  = %d", modelId)
    sqlWhere += fmt.Sprintf(" AND A.object_id = %d", objectId)
    sqlWhere += fmt.Sprintf(" AND A.attr_id   = %d", attrId)

    data := &viewmodel.ModelObjectAttrInfo{}
    ok, err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).OrderBy("group_id ASC").Get(data)
    if !ok && err != nil {
        return nil, err
    } else {
        return data, nil
    }
}

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

func (d *ModelObjectAttrRepo) Update(data *datamodel.ModelObjectAttr) error {
    modelId := data.ModelId
    objectId := data.ObjectId
    attrId := data.AttrId
    data.UpdatedAt = time.Now()
    _, err := d.engine.
        Where("model_id = ?", modelId).
        Where("object_id = ?", objectId).
        Where("attr_id = ?", attrId).
        Update(data)
    return err
}

func (d *ModelObjectAttrRepo) Delete(m map[string]interface{}) error {
    modelId := m["modelId"].(int64)
    objectId := m["objectId"].(int64)
    attrId := m["attrId"].(int64)
    deletedBy := m["deletedBy"].(int64)

    data := &datamodel.ModelObjectAttr{}
    data.DeletedFlag = 1
    data.DeletedBy = deletedBy
    data.DeletedAt = time.Now()
    _, err := d.engine.
        Where("model_id = ?", modelId).
        Where("object_id = ?", objectId).
        Where("attr_id = ?", attrId).
        Delete(data)
    return err
}

func (d *ModelObjectAttrRepo) DeleteByObjectId(modelId, objectId int64) error {
    data := &datamodel.ModelObjectAttr{}
    _, err := d.engine.
        Where("model_id = ?", modelId).
        Where("object_id = ?", objectId).
        Delete(data)
    return err
}