package repositories

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

type WfActivityDefRepo struct {
    engine *xorm.Engine
}

func NewWfActivityDefRepo(engine *xorm.Engine) *WfActivityDefRepo {
    return &WfActivityDefRepo{
        engine: engine,
    }
}

func (d *WfActivityDefRepo) GetPage(m map[string]interface{}) (*viewmodel.PageResult, error){
    limit       := m["limit"].(int)
    page        := m["page"].(int)
    
    sqlSelect   := ` SELECT A.wf_def_id,
                            A.activity_def_id,
                            A.activity_def_title,
                            A.activity_def_desc,
                            A.activity_code,
                            A.form_code                  `
    sqlFrom     := ` FROM   wf_activity_def AS A         `
    sqlWhere    := ` WHERE  A.deleted_flag = 0           `
    
    if wfDefId, ok := m["wfDefId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_def_id = %d ", wfDefId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.wf_def_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    
    sqlCount := `SELECT COUNT(*) `
    total, err := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(viewmodel.WfActivityDefInfo))
    if err != nil {
        return nil, err
    }
    
    sqlOrderBy := " ORDER BY A.wf_def_id, A.activity_def_id ASC "
    pageStart  := (limit - 1) * limit
    sqlLimit   := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)
    
    datalist   := make([]viewmodel.WfActivityDefInfo, 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 *WfActivityDefRepo) GetList(m map[string]interface{}) ([]viewmodel.WfActivityDefInfo, error) {
    sqlSelect   := ` SELECT A.wf_def_id,
                            A.activity_def_id,
                            A.activity_def_title,
                            A.activity_def_desc,
                            A.activity_code,
                            A.form_code                  `
    sqlFrom     := ` FROM   wf_activity_def  AS A        `
    sqlWhere    := ` WHERE  A.deleted_flag = 0           `
    
    if wfDefId, ok := m["wfDefId"]; ok {
        sqlWhere += fmt.Sprintf(" AND A.wf_def_id = %d ", wfDefId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.activity_def_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }
    
    sqlOrderBy := " ORDER BY A.wf_def_id, A.activity_def_id ASC "
    datalist := make([]viewmodel.WfActivityDefInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    } else {
        return datalist, nil
    }
}

func (d *WfActivityDefRepo) GetById(wfDefId, activityDefId int64) (*viewmodel.WfActivityDefInfo, error) {
    sqlSelect   := ` SELECT A.wf_def_id,
                            A.activity_def_id,
                            A.activity_def_title,
                            A.activity_def_desc,
                            A.activity_code,
                            A.form_code                  `
    sqlFrom     := ` FROM   wf_activity_def AS A         `
    sqlWhere    := ` WHERE  A.deleted_flag = 0           `
    sqlWhere += fmt.Sprintf(" AND A.wf_def_id       = %d ", wfDefId)
    sqlWhere += fmt.Sprintf(" AND A.activity_def_id = %d ", activityDefId)
    
    data := &viewmodel.WfActivityDefInfo{}
    has, err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).Get(data)
    if !has || err != nil {
        return nil, err
    } else {
        return data, nil
    }
}

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

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

func (d *WfActivityDefRepo) Delete(m map[string]interface{}) error {
    wfDefId         := m["wfDefId"].(int64)
    activityDefId   := m["activityDefId"].(int64)
    deletedBy       := m["deletedBy"].(int64)
    
    data := &datamodel.WfActivityDef{}
    data.DeletedFlag = 1
    data.DeletedBy   = deletedBy
    data.DeletedAt   = time.Now()
    _, err := d.engine.
        Where("wf_def_id        = ?", wfDefId).
        Where("activity_def_id = ?", activityDefId).
        Update(data)
    return err
}