package system

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

type RoleRepo struct {
	engine *xorm.Engine
}

func NewRoleRepo(engine *xorm.Engine) *RoleRepo {
	return &RoleRepo{
		engine: engine,
	}
}

func (d *RoleRepo) GetPage(m map[string]interface{}) (*viewmodels.PageResult, error){
	keywords  := m["keywords"].(string)
	limit     := m["limit"].(int)
	page      := m["page"].(int)
	
	sqlSelect := ` SELECT A.role_id ,
                          A.role_name,
                          A.role_desc,
                          A.role_type_id,
                          B.role_type_title,
                          A.sort_no,
                          A.status,
                          A.is_fixed `
	sqlFrom   := ` FROM      s_role       AS A
                   LEFT JOIN s_role_type  AS B ON (A.role_type_id = B.role_type_id )`
	sqlWhere  := `WHERE A.deleted_flag = 0`

	if keywords != "" {
		sqlWhere += ` AND   A.role_name like ` + "'%" + keywords + "%'"
	}

	sqlCount := `SELECT COUNT(*) `
	total, err := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(datamodels.Role))
	if err != nil {
		return nil, err
	}
	
	sqlOrderBy := " ORDER BY role_id ASC "
	pageStart := (limit - 1) * limit
	sqlLimit := fmt.Sprintf(" LIMIT %d OFFSET %d ", limit, pageStart)
	
	datalist   := make([]viewmodels.RoleInfo, 0)
	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 *RoleRepo) GetList(m map[string]interface{}) ([]viewmodels.RoleInfo, error) {
	keywords := m["keywords"].(string)

	sqlSelect := ` SELECT  A.role_id ,
                           A.role_name,
                           A.role_desc,
                           A.role_type_id,
                           B.role_type_title,
                           A.sort_no,
                           A.status,
                           A.is_fixed `
	sqlFrom := ` FROM      s_role       AS A
                 LEFT JOIN s_role_type  AS B ON (A.role_type_id = B.role_type_id )`
	sqlWhere := `WHERE A.deleted_flag = 0 `
	if keywords != "" {
		sqlWhere += ` AND A.role_name like ` + "'%" + keywords + "%'"
	}
	sqlOrderBy := " ORDER BY role_id ASC "
	
	datalist := make([]viewmodels.RoleInfo, 0)
	err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
	if err != nil {
		return nil, err
	} else {
		return datalist, nil
	}
}

func (d *RoleRepo) GetById(roleId int64) (*viewmodels.RoleInfo, error) {
	data := &viewmodels.RoleInfo{RoleId: roleId}
	ok, err := d.engine.Get(data)
	if !ok && err != nil {
		return nil, err
	} else {
		return data, nil
	}
}

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

func (d *RoleRepo) Update(data *datamodels.Role) error {
	roleId := data.RoleId
	data.UpdatedAt = time.Now()
	_, err := d.engine.Where("role_id = ?", roleId).Update(data)
	return err
}

func (d *RoleRepo) Delete(m map[string]interface{}) error {
	roleId    := m["roleId"].(int64)
	deletedBy := m["deletedBy"].(int64)
	
	data := &datamodels.Role{}
	data.DeletedFlag = 1
	data.DeletedBy   = deletedBy
	data.DeletedAt   = time.Now()
	_, err := d.engine.Where("role_id = ?", roleId).Update(data)
	return err
}