package repository

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

type TaskRepo struct {
    engine *xorm.Engine
}

func NewTaskRepo(engine *xorm.Engine) *TaskRepo {
    return &TaskRepo{
        engine: engine,
    }
}

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

    sqlSelect := ` SELECT A.*             `
    sqlFrom := ` FROM   task   AS A `
    sqlWhere := ` WHERE  A.deleted_flag = 0  and A.oc_id = ` + fmt.Sprintf("%d", ocId)

    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND   A.task_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }

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

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

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

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

}

func (d *TaskRepo) GetList(m map[string]interface{}) ([]viewmodel.TaskInfo, error) {
    ocId := m["ocId"].(int64)

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

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

func (d *TaskRepo) GetById(ocId int64, taskId int64) (*viewmodel.TaskInfo, error) {
    sqlSelect := ` SELECT A.* `
    sqlFrom := ` FROM  task   AS A    `
    sqlWhere := ` WHERE A.deleted_flag = 0`
    sqlWhere += fmt.Sprintf(" AND A.oc_id = %d", ocId)
    sqlWhere += fmt.Sprintf(" AND A.task_id = %d", taskId)

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

func (d *TaskRepo) Create(t *datamodel.Task) error {
    t.CreatedAt = time.Now()
    _, err := d.engine.Insert(t)
    return err
}

func (d *TaskRepo) Update(t *datamodel.Task) error {
    ocId := t.OcId
    taskId := t.TaskId

    t.UpdatedAt = time.Now()
    _, err := d.engine.
        Where("oc_id = ?", ocId).
        Where("task_id = ?", taskId).
        Update(t)
    return err
}

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

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