package controllers

import (
	"eta/eta_mini_api/models"
	"eta/eta_mini_api/models/response"
	"eta/eta_mini_api/services"
)

type ChartController struct {
	BaseAuthController
}

// @Title List
// @Description create users
// @Param   PageSize   query   int  true       "每页数据条数"
// @Param   CurrentIndex   query   int  true       "当前页页码，从1开始"
// @Success 200 {object} models.BaseResponse
// @router /list [get]
func (this *ChartController) List() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()

	pageSize, _ := this.GetInt("PageSize")
	currentIndex, _ := this.GetInt("CurrentIndex")

	result, err := services.GetChartList(currentIndex, pageSize)
	if err != nil {
		br.Msg = "查询图表失败"
		br.ErrMsg = "查询图表失败，系统异常，Err:" + err.Error()
		return
	}
	if result.Ret != 200 {
		br.Msg = "查询图表失败"
		br.ErrMsg = result.ErrMsg
		return
	}

	br.Msg = "查询图表成功"
	br.Data = result.Data
	br.Success = true
	br.Ret = 200
}

// @Title Locate
// @Description create users
// @Param   PageSize   query   int  true       "每页数据条数"
// @Param   CurrentIndex   query   int  true       "当前页页码，从1开始"
// @Success 200 {object} models.BaseResponse
// @router /locate [get]
func (this *ChartController) Locate() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	pageSize, _ := this.GetInt("PageSize")
	currentIndex, _ := this.GetInt("CurrentIndex")
	if currentIndex <= 0 {
		currentIndex = 1
	}
	if pageSize <= 0 {
		pageSize = 2
	}
	result, err := services.GetChartList(currentIndex, pageSize)
	if err != nil {
		br.Msg = "查询图表失败"
		br.ErrMsg = "查询图表失败，系统异常，Err:" + err.Error()
		return
	}
	if result.Ret != 200 {
		br.Msg = result.Msg
		br.ErrMsg = result.ErrMsg
		return
	}
	total := len(result.Data.List)
	charts := make([]*response.ChartLocateItem, 0)

	items := result.Data.List
	for k, v := range items {
		var prevChartInfoId, nextChartInfoId int
		switch k {
		case 0:
			prevChartInfoId = -1
			if k < total-1 {
				nextChartInfoId = items[k+1].ChartInfoId
			} else {
				nextChartInfoId = -1
			}
		case total - 1:
			nextChartInfoId = -1
			if k > 0 {
				prevChartInfoId = items[k-1].ChartInfoId
			}
		default:
			prevChartInfoId = items[k-1].ChartInfoId
			nextChartInfoId = items[k+1].ChartInfoId

		}
		tmpLocate := &response.ChartLocateItem{
			ChartInfoId:     v.ChartInfoId,
			ChartName:       v.ChartName,
			UniqueCode:      v.UniqueCode,
			PrevChartInfoId: prevChartInfoId,
			NextChartInfoId: nextChartInfoId,
		}
		charts = append(charts, tmpLocate)
	}

	br.Data = charts
	br.Msg = "查询成功"
	br.Success = true
	br.Ret = 200
}