package repositories

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

type WfInsRepo struct {
    engine *xorm.Engine
}

func NewWfInsRepo(engine *xorm.Engine) *WfInsRepo {
    return &WfInsRepo{
        engine: engine,
    }
}

func (d *WfInsRepo) GetPage(m map[string]interface{}) (*viewmodel.PageResult, error){
    limit       := m["limit"].(int)
    page        := m["page"].(int)
    
    sqlSelect   := `    SELECT      A.oc_id,
                                    B.oc_name,
                                    A.wf_def_id,
                                    A.wf_ins_id,
                                    A.wf_ins_title,
                                    A.status,
                                    A.begin_time,
                                    A.finish_time,
                                    A.cur_activity_ins_id,
                                    A.cur_activity_code,
                                    A.cur_activity_title,
                                    A.cur_activity_begin_time,
                                    A.cur_form_code,
                                    A.cur_group_id,
                                    A.cur_position_id,
                                    A.cur_account_id,
                                    A.cur_group_name,
                                    A.cur_position_name,
                                    A.cur_account_name                          `
    sqlFrom     := `    FROM        wf_ins          AS A
                        LEFT JOIN   oc              AS B ON (A.oc_id = B.oc_id) `
    sqlWhere    := `    WHERE  A.deleted_flag = 0                               `
    
    if ocId, ok := m["ocId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.oc_id = %d ", ocId)
    }
    if wfDefId, ok := m["wfDefId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_def_id = %d ", wfDefId)
    }
    if wfInsId, ok := m["wfInsId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_ins_id = %d ", wfInsId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND   A.wf_ins_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    
    sqlCount := ` SELECT COUNT(*) `
    total, err := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(viewmodel.WfInsInfo))
    if err != nil {
        return nil, err
    }
    
    sqlOrderBy := " ORDER BY A.wf_ins_id DESC "
    pageStart  := (limit - 1) * limit
    sqlLimit   := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)
    
    datalist   := make([]viewmodel.WfInsInfo, 0)
    err = d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy + sqlLimit).Find(&datalist)
    if err != nil {
        return nil, err
    }
    
    pageResult := &viewmodel.PageResult{}
    pageResult.Data     = datalist
    pageResult.Total    = total
    pageResult.PageSize = limit
    pageResult.Page     = page
    return pageResult, nil
}

func (d *WfInsRepo) GetList(m map[string]interface{}) ([]viewmodel.WfInsInfo, error) {
    sqlSelect   := `    SELECT      A.oc_id,
                                    B.oc_name,
                                    A.wf_def_id,
                                    A.wf_ins_id,
                                    A.wf_ins_title,
                                    A.status,
                                    A.begin_time,
                                    A.finish_time,
                                    A.cur_activity_ins_id,
                                    A.cur_activity_code,
                                    A.cur_activity_title,
                                    A.cur_activity_begin_time,
                                    A.cur_form_code,
                                    A.cur_group_id,
                                    A.cur_position_id,
                                    A.cur_account_id,
                                    A.cur_group_name,
                                    A.cur_position_name,
                                    A.cur_account_name                          `
    sqlFrom     := `    FROM        wf_ins          AS A
                        LEFT JOIN   oc              AS B ON (A.oc_id = B.oc_id) `
    sqlWhere    := `    WHERE  A.deleted_flag = 0                               `
    
    if ocId, ok := m["ocId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.oc_id = %d ", ocId)
    }
    if wfDefId, ok := m["wfDefId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_def_id = %d ", wfDefId)
    }
    if wfInsId, ok := m["wfInsId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_ins_id = %d ", wfInsId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.wf_def_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    
    sqlOrderBy := " ORDER BY A.wf_ins_id DESC "
    datalist := make([]viewmodel.WfInsInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *WfInsRepo) GetById(ocId, wfInsId int64) (*viewmodel.WfInsInfo, error) {
    sqlSelect   := `    SELECT      A.oc_id,
                                    B.oc_name,
                                    A.wf_def_id,
                                    A.wf_ins_id,
                                    A.wf_ins_title,
                                    A.status,
                                    A.begin_time,
                                    A.finish_time,
                                    A.cur_activity_ins_id,
                                    A.cur_activity_code,
                                    A.cur_activity_title,
                                    A.cur_activity_begin_time,
                                    A.cur_form_code,
                                    A.cur_group_id,
                                    A.cur_position_id,
                                    A.cur_account_id,
                                    A.cur_group_name,
                                    A.cur_position_name,
                                    A.cur_account_name                          `
    sqlFrom     := `    FROM        wf_ins          AS A
                        LEFT JOIN   oc              AS B ON (A.oc_id = B.oc_id) `
    sqlWhere    := `    WHERE  A.deleted_flag = 0                               `
    sqlWhere += fmt.Sprintf(" AND A.oc_id     = %d ", ocId)
    sqlWhere += fmt.Sprintf(" AND A.wf_ins_id = %d ", wfInsId)
    
    data := &viewmodel.WfInsInfo{}
    has, err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).Get(data)
    if !has || err != nil {
        return nil, err
    } else {
        return data, nil
    }
}

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

func (d *WfInsRepo) Update(data *datamodel.WfIns) error {
    wfDefId := data.WfDefId
    data.UpdatedAt = time.Now()
    
    _, err := d.engine.
        Where("wf_def_id = ?", wfDefId).
        Update(data)
    
    return err
}

func (d *WfInsRepo) Delete(m map[string]interface{}) error {
    ocId        := m["ocId"].(int64)
    wfInsId     := m["wfInsId"].(int64)
    deletedBy   := m["deletedBy"].(int64)
    
    data := &datamodel.WfDef{}
    data.DeletedFlag = 1
    data.DeletedBy   = deletedBy
    data.DeletedAt   = time.Now()
    _, err := d.engine.
        Where("oc_id        = ?", ocId).
        Where("wf_ins_id    = ?", wfInsId).
        Update(data)
    return err
}