package repository

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

type WfInsAttachRepo struct {
    engine *xorm.Engine
}

func NewWfInsAttachRepo(engine *xorm.Engine) *WfInsAttachRepo {
    return &WfInsAttachRepo{
        engine: engine,
    }
}

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

    sqlSelect := `    SELECT      A.oc_id,
                                    A.wf_ins_id,
                                    A.activity_ins_id,
                                    A.activity_code,
                                    A.file_id,
                                    B.file_title,
                                    B.dir_id,
                                    B.file_icon,
                                    B.file_url,
                                    B.file_ext,
                                    B.file_size,
                                    B.file_author,
                                    B.file_desc,
                                    B.uploaded_by  AS uploader_id,
                                    C.account_name AS uploader_name,
                                    B.uploaded_at                      `
    sqlFrom := `     FROM       wf_ins_attach   AS A
                         LEFT JOIN  doc_file        AS B ON(A.oc_id = B.oc_id AND A.file_id     = B.file_id)
                         LEFT JOIN  account         AS C ON(B.oc_id = C.oc_id AND B.uploaded_by = C.account_id) `
    sqlWhere := `     WHERE  A.deleted_flag = 0                     `

    if ocId, ok := m["ocId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.oc_id = %d ", ocId)
    }
    if wfInsId, ok := m["wfInsId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_ins_id = %d ", wfInsId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND B.file_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }

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

    sqlOrderBy := " ORDER BY A.file_id ASC "
    pageStart := (limit - 1) * limit
    sqlLimit := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)

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

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

func (d *WfInsAttachRepo) GetList(m map[string]interface{}) ([]viewmodel.WfInsAttachInfo, error) {
    sqlSelect := `    SELECT      A.oc_id,
                                    A.wf_ins_id,
                                    A.activity_ins_id,
                                    A.activity_code,
                                    A.file_id,
                                    B.file_title,
                                    B.dir_id,
                                    B.file_icon,
                                    B.file_url,
                                    B.file_ext,
                                    B.file_size,
                                    B.file_author,
                                    B.file_desc,
                                    B.uploaded_by  AS uploader_id,
                                    C.account_name AS uploader_name,
                                    B.uploaded_at                      `
    sqlFrom := `     FROM       wf_ins_attach   AS A
                         LEFT JOIN  doc_file        AS B ON(A.oc_id = B.oc_id AND A.file_id     = B.file_id)
                         LEFT JOIN  account         AS C ON(B.oc_id = C.oc_id AND B.uploaded_by = C.account_id) `
    sqlWhere := `     WHERE  A.deleted_flag = 0                     `

    if ocId, ok := m["ocId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.oc_id = %d ", ocId)
    }
    if wfInsId, ok := m["wfInsId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_ins_id = %d ", wfInsId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND B.file_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }

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

func (d *WfInsAttachRepo) Create(data *datamodel.WfInsAttach) error {
    _, err := d.engine.Insert(data)
    return err
}

func (d *WfInsAttachRepo) Delete(m map[string]interface{}) error {
    ocId := m["ocId"].(int64)
    wfInsId := m["wfInsId"].(int64)
    fileId := m["fileId"].(int64)

    data := &datamodel.WfDef{}
    _, err := d.engine.
        Where("oc_id        = ?", ocId).
        Where("wf_ins_id    = ?", wfInsId).
        Where("file_id    = ?", fileId).
        Delete(data)
    return err
}