package system

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

type PositionRepo struct {
	engine *xorm.Engine
}

func NewPositionRepo(engine *xorm.Engine) *PositionRepo {
	return &PositionRepo{
		engine: engine,
	}
}

func (d *PositionRepo) GetPage(m map[string]interface{}) (*viewmodels.PageResult, error) {
	ocId     := m["ocId"].(int64)
	keywords := m["keywords"].(string)
	limit    := m["limit"].(int)
	page     := m["page"].(int)

	sqlSelect := ` SELECT A.* `
	sqlFrom   := ` FROM   s_position AS A   `
	sqlWhere  := fmt.Sprintf(` WHERE A.deleted_flag = 0 and A.oc_id = %d`, ocId)
	if keywords != "" {
		sqlWhere += ` AND   A.position_name like ` + "'%" + keywords + "%'"
	}

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

	var pageStart = (limit - 1) * limit
	sqlOrderBy := " ORDER BY position_id ASC "
	sqlLimit := fmt.Sprintf(" LIMIT %d OFFSET %d  ", limit, pageStart)
	
	datalist := []viewmodels.PositionInfo{}
	err = d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy + sqlLimit).Find(&datalist)
	if err != nil {
		return nil, err
	}
	
	pageResult := &viewmodels.PageResult{}
	pageResult.Data = datalist
	pageResult.Total = total
	pageResult.PageSize = limit
	pageResult.Page = page
	return pageResult, nil
}

func (d *PositionRepo) GetList(m map[string]interface{}) ([]viewmodels.PositionInfo, error) {
	ocId     := m["ocId"].(int64)
	keywords := m["keywords"].(string)

	sqlSelect := ` SELECT A.* `
	sqlFrom   := ` FROM   s_position AS A   `
	sqlWhere  := fmt.Sprintf(` WHERE A.deleted_flag = 0 and A.oc_id = %d`, ocId)
	if keywords != "" {
		sqlWhere += ` AND   A.position_name like ` + "'%" + keywords + "%'"
	}

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

func (d *PositionRepo) GetById(ocId int64, positionId int64) (*viewmodels.PositionInfo, error) {
	data := &viewmodels.PositionInfo{}
	data.OcId       = ocId
	data.PositionId = positionId
	ok, err := d.engine.Get(data)
	if !ok || err != nil {
		return nil, err
	}
	return data, nil
}

func (d *PositionRepo) Create(data *datamodels.Position) error {
	data.CreatedAt = time.Now()
	_, err := d.engine.Insert(data)
	return err
}

func (d *PositionRepo) Update(data *datamodels.Position) error {
	ocId       := data.OcId
	positionId := data.PositionId
	data.UpdatedAt = time.Now()
	_, err := d.engine.Where("oc_id = ?", ocId).Where("position_id =?", positionId).Update(data)
	return err
}

func (d *PositionRepo) Delete(m map[string]interface{}) error {
	ocId       := m["ocId"].(int64)
	positionId := m["positionId"].(int64)
	deletedBy  := m["deletedBy"].(int64)
	
	data := &datamodels.Position{}
	data.DeletedFlag = 1
	data.DeletedBy   = deletedBy
	data.DeletedAt   = time.Now()
	_, err := d.engine.Where("oc_id = ?", ocId).Where("position_id =?", positionId).Update(data)
	return err
}