package repositories

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

type TaskCatRepo struct {
	engine *xorm.Engine
}

func NewTaskCatRepo(engine *xorm.Engine) *TaskCatRepo {
	return &TaskCatRepo{
		engine: engine,
	}
}

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

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

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

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

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

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

}

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

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

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

func (d *TaskCatRepo) GetById(ocId int64, taskCatId int64) (*viewmodels.TaskCatInfo, error) {
	sqlSelect := ` SELECT A.*               `
	sqlFrom   := ` FROM  task_cat AS A      `
	sqlWhere  := ` WHERE A.deleted_flag = 0 AND A.oc_id =` + fmt.Sprintf("%d", ocId)
	data := &viewmodels.TaskCatInfo{}
	has, err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere).Get(data)
	if !has || err != nil {
		return nil, err
	} else {
		return data, nil
	}
}

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

func (d *TaskCatRepo) Update(data *datamodels.TaskCat) error {
	ocId      := data.OcId
	taskCatId := data.TaskCatId

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

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

	data := &datamodels.TaskCat{}
	data.DeletedFlag = 1
	data.DeletedBy = deletedBy
	data.DeletedAt = time.Now()
	_, err := d.engine.Where("oc_id = ?", ocId).Where("task_cat_id = ?", taskCatId).Update(data)
	return err
}