package repository

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

type GroupCatRepo struct {
    engine *xorm.Engine
}

func NewGroupCatRepo(engine *xorm.Engine) *GroupCatRepo {
    return &GroupCatRepo{
        engine: engine,
    }
}

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

    sqlSelect := ` SELECT A.*                 `
    sqlFrom := ` FROM   s_group_cat   AS A  `
    sqlWhere := ` WHERE  A.deleted_flag = 0  `
    if ocId, ok := m["ocId"]; ok {
        sqlWhere += ` AND A.oc_id = ` + fmt.Sprintf("%d", ocId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.group_cat_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }

    sqlCount := ` SELECT COUNT(*)            `
    total, err1 := d.engine.SQL(sqlCount + sqlFrom + sqlWhere).Count(new(datamodel.GroupCat))
    if err1 != nil {
        return nil, err1
    }

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

    datalist := make([]datamodel.GroupCat, 0)
    err2 := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy + sqlLimit).Find(&datalist)
    if err2 != nil {
        return nil, err2
    }

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

    return pageResult, nil
}

func (d *GroupCatRepo) GetList(m map[string]interface{}) ([]viewmodel.GroupCatInfo, error) {
    sqlSelect := ` SELECT A.*                 `
    sqlFrom := ` FROM   s_group_cat   AS A  `
    sqlWhere := ` WHERE  A.deleted_flag = 0  `
    if ocId, ok := m["ocId"]; ok {
        sqlWhere += ` AND A.oc_id = ` + fmt.Sprintf("%d", ocId)
    }
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.group_cat_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }

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

func (d *GroupCatRepo) GetById(ocId int64, groupCatId int64) (*viewmodel.GroupCatInfo, error) {
    sqlSelect := ` SELECT A.*                 `
    sqlFrom := ` FROM   s_group_cat   AS A  `
    sqlWhere := ` WHERE  A.deleted_flag = 0  `
    sqlWhere += fmt.Sprintf("AND A.oc_id = %d ", ocId)
    sqlWhere += fmt.Sprintf("AND A.group_cat_id = %d ", groupCatId)

    data := &viewmodel.GroupCatInfo{}
    has, err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).Get(data)
    if !has || err != nil {
        return nil, err
    } else {
        return data, nil
    }
}

func (d *GroupCatRepo) Create(data *datamodel.GroupCat) error {
    data.CreatedAt = time.Now()
    _, err := d.engine.Insert(data)
    return err
}

func (d *GroupCatRepo) Update(data *datamodel.GroupCat) error {
    ocId := data.OcId
    groupCatId := data.GroupCatId

    data.UpdatedAt = time.Now()
    _, err := d.engine.
        Where("oc_id = ?", ocId).
        Where("group_cat_id = ?", groupCatId).
        Update(data)
    return err
}

func (d *GroupCatRepo) Delete(m map[string]interface{}) error {
    ocId := m["ocId"].(int64)
    groupCatId := m["groupCatId"].(int64)
    deletedBy := m["deletedBy"].(int64)

    data := &datamodel.GroupCat{
        DeletedAt:   time.Now(),
        DeletedBy:   deletedBy,
        DeletedFlag: 1,
    }
    _, err := d.engine.Where("oc_id = ?", ocId).Where("group_cat_id = ?", groupCatId).Update(data)
    return err
}