package repositories

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

type BizObjectMappingRepo struct {
    engine *xorm.Engine
}

func NewBizObjectMappingRepo(engine *xorm.Engine) *BizObjectMappingRepo {
    return &BizObjectMappingRepo{
        engine: engine,
    }
}

func (d *BizObjectMappingRepo) GetPage(m map[string]interface{}) (*viewmodels.PageResult, error) {
    limit     := m["limit"].(int)
    page      := m["page"].(int)
    
    sqlSelect := ` SELECT A.*,
                          B.object_code,
                          C.model_title  as mapping_model_title,
                          D.object_title as mapping_object_title,
                          D.object_code  as mapping_object_code `
    sqlFrom   := ` FROM      biz_object_mapping AS A
                   LEFT JOIN biz_object         AS B ON (A.biz_id = B.biz_id AND A.object_id = B.object_id)
                   LEFT JOIN ds_model           AS C ON (A.mapping_model_id  = C.model_id)
                   LEFT JOIN ds_object          AS D ON (A.mapping_object_id = D.object_id)   `
    sqlWhere  := ` WHERE A.deleted_flag = 0       `
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.object_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    
    sqlCount  := ` SELECT COUNT(*)              `
    total, err1 := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(viewmodels.BizObjectMappingInfo))
    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([]viewmodels.BizObjectMappingInfo, 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 *BizObjectMappingRepo) GetList(m map[string]interface{}) ([]viewmodels.BizObjectMappingInfo, error) {
    sqlSelect := ` SELECT A.*,
                          B.object_code,
                          C.model_title  as mapping_model_title,
                          D.object_title as mapping_object_title,
                          D.object_code  as mapping_object_code `
    sqlFrom   := ` FROM      biz_object_mapping AS A
                   LEFT JOIN biz_object         AS B ON (A.biz_id = B.biz_id AND A.object_id = B.object_id)
                   LEFT JOIN ds_model           AS C ON (A.mapping_model_id  = C.model_id)
                   LEFT JOIN ds_object          AS D ON (A.mapping_object_id = D.object_id)   `
    sqlWhere  := ` WHERE A.deleted_flag = 0       `
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.object_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    sqlOrderBy := " ORDER BY A.sort_no "
    
    datalist   := make([]viewmodels.BizObjectMappingInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *BizObjectMappingRepo) GetAll() ([]viewmodels.BizObjectMappingInfo, error) {
    sqlSelect := ` SELECT    A.*,
                             B.object_code,
                             C.model_title  as mapping_model_title,
                             D.object_title as mapping_object_title,
                             D.object_code  as mapping_object_code `
    sqlFrom   := ` FROM      biz_object_mapping AS A
                   LEFT JOIN biz_object         AS B ON (A.biz_id = B.biz_id AND A.object_id = B.object_id)
                   LEFT JOIN ds_model           AS C ON (A.mapping_model_id  = C.model_id)
                   LEFT JOIN ds_object          AS D ON (A.mapping_object_id = D.object_id)   `
    sqlWhere   := ` WHERE A.deleted_flag = 0       `
    sqlOrderBy := ` ORDER BY A.sort_no          `
    
    datalist   := make([]viewmodels.BizObjectMappingInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *BizObjectMappingRepo) GetListById(bizId, objectId int64) ([]viewmodels.BizObjectMappingInfo, error) {
    sqlSelect := ` SELECT    A.*,
                             B.object_code,
                             C.model_title  as mapping_model_title,
                             D.object_title as mapping_object_title,
                             D.object_code  as mapping_object_code `
    sqlFrom   := ` FROM      biz_object_mapping AS A
                   LEFT JOIN biz_object         AS B ON (A.biz_id = B.biz_id AND A.object_id = B.object_id)
                   LEFT JOIN ds_model           AS C ON (A.mapping_model_id  = C.model_id)
                   LEFT JOIN ds_object          AS D ON (A.mapping_object_id = D.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([]viewmodels.BizObjectMappingInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *BizObjectMappingRepo) GetById(bizId, objectId, mappingId int64) (*viewmodels.BizObjectMappingInfo, error) {
    sqlSelect := ` SELECT    A.*,
                             B.object_code,
                             C.model_title  as mapping_model_title,
                             D.object_title as mapping_object_title,
                             D.object_code  as mapping_object_code `
    sqlFrom   := ` FROM      biz_object_mapping AS A
                   LEFT JOIN biz_object         AS B ON (A.biz_id = B.biz_id AND A.object_id = B.object_id)
                   LEFT JOIN ds_model           AS C ON (A.mapping_model_id  = C.model_id)
                   LEFT JOIN ds_object          AS D ON (A.mapping_object_id = D.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)
    sqlWhere  += fmt.Sprintf(" AND A.mapping_id = %d", mappingId)
    
    data      := &viewmodels.BizObjectMappingInfo{}
    has, err  := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).Get(data)
    if !has || err != nil {
        return nil, err
    } else {
        return data, nil
    }
}

func (d *BizObjectMappingRepo) Create(data *datamodels.BizObjectMapping) error {
    _, err := d.engine.Insert(data)
    return err
}

func (d *BizObjectMappingRepo) Update(data *datamodels.BizObjectMapping) error {
    bizId     := data.BizId
    objectId  := data.ObjectId
    mappingId := data.MappingId
    _, err := d.engine.
        Where("biz_id = ?", bizId).
        Where("object_id = ?", objectId).
        Where("mapping_id = ?", mappingId).
        Update(data)
    return err
}

func (d *BizObjectMappingRepo) Delete(m map[string]interface{}) error {
    bizId     := m["bizId"].(int64)
    objectId  := m["objectId"].(int64)
    mappingId := m["mappingId"].(int64)
    
    data := &datamodels.BizObjectMapping{}
    _, err := d.engine.
        Where("biz_id = ?", bizId).
        Where("object_id = ?", objectId).
        Where("mapping_id = ?", mappingId).
        Delete(data)
    return err
}

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