package repository

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

type ModelRepo struct {
    engine *xorm.Engine
}

func NewModelRepo(engine *xorm.Engine) *ModelRepo {
    return &ModelRepo{
        engine: engine,
    }
}

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

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

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

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

    datalist := make([]datamodel.Model, 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 *ModelRepo) GetList(m map[string]interface{}) ([]viewmodel.ModelInfo, error) {
    sqlSelect := ` SELECT A.*               `
    sqlFrom := ` FROM  ds_model   AS A    `
    sqlWhere := ` WHERE A.deleted_flag = 0 `
    if keywords, ok := m["keywords"]; ok {
        sqlWhere += ` AND A.model_title like ` + "'%" + fmt.Sprintf("%s", keywords) + "%'"
    }

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

func (d *ModelRepo) GetAll() ([]viewmodel.ModelInfo, error) {
    sqlSelect := ` SELECT A.*               `
    sqlFrom := ` FROM  ds_model   AS A    `
    sqlWhere := ` WHERE A.deleted_flag = 0 `
    sqlOrderBy := " ORDER BY model_id ASC "
    datalist := make([]viewmodel.ModelInfo, 0)
    err := d.engine.SQL(sqlSelect + sqlFrom + sqlWhere + sqlOrderBy).Find(&datalist)
    if err != nil {
        return nil, err
    }
    return datalist, nil
}

func (d *ModelRepo) GetById(modelId int64) (*viewmodel.ModelInfo, error) {
    sqlSelect := ` SELECT A.*               `
    sqlFrom := ` FROM  ds_model   AS A    `
    sqlWhere := ` WHERE A.deleted_flag = 0 `
    sqlWhere += fmt.Sprintf(" AND A.model_id = %d ", modelId)

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

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

func (d *ModelRepo) Update(data *datamodel.Model) error {
    modelId := data.ModelId

    data.UpdatedAt = time.Now()
    _, err := d.engine.Where("model_id = ?", modelId).Update(data)
    return err
}

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

    data := &datamodel.Model{}
    data.DeletedFlag = 1
    data.DeletedBy = deletedBy
    data.DeletedAt = time.Now()
    _, err := d.engine.Where("model_id = ?", modelId).Update(data)
    return err
}