package controllers

import (
	"encoding/json"
	"eta/eta_mini_api/models"
	"eta/eta_mini_api/models/request"
	"eta/eta_mini_api/models/response"
	"eta/eta_mini_api/services"
	"eta/eta_mini_api/utils"
	"time"

	"github.com/rdlucklib/rdluck_tools/paging"
)

type MyChartController struct {
	BaseAuthController
}

// @Title 收藏图表
// @Description 收藏图表
// @Success 200 {object} models.BaseResponse
// @router /collect [post]
func (this *MyChartController) Collect() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()

	var req request.MyChartCollectReq
	if err := json.Unmarshal(this.Ctx.Input.RequestBody, &req); err != nil {
		br.Msg = "参数解析失败"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	user := this.User
	if user.Status != utils.UserStatusFormal {
		br.Msg = "用户没有权限收藏"
		return
	}
	if req.ChartInfoId == 0 {
		chartResp, err := services.GetChartDetail(req.ChartInfoId, req.UniqueCode)
		if err != nil {
			br.Msg = "收藏失败"
			br.Msg = "获取图表信息失败，系统错误，Err:" + err.Error()
			return
		}
		if chartResp.Ret != 200 {
			br.Msg = chartResp.Msg
			br.ErrMsg = chartResp.ErrMsg
			return
		}
		req.ChartInfoId = chartResp.Data.ChartInfoId
	}
	count, err := models.GetMyChartCount(user.UserId, req.UniqueCode)
	if err != nil {
		br.Msg = "收藏失败"
		br.ErrMsg = "查询收藏数量失败，Err:" + err.Error()
		return
	}
	if count > 0 {
		br.Msg = "该图表已收藏，请重新刷新页面"
		return
	}
	myChart := &models.MyChart{
		UserId:       user.UserId,
		UserRealName: user.RealName,
		UniqueCode:   req.UniqueCode,
		ChartImage:   req.ChartImage,
		ChartName:    req.ChartName,
		ChartInfoId:  req.ChartInfoId,
		CreateTime:   time.Now(),
		ModifyTime:   time.Now(),
	}
	err = myChart.Insert()
	if err != nil {
		br.Msg = "收藏失败"
		br.ErrMsg = "收藏失败,Err:" + err.Error()
		return
	}

	br.Msg = "收藏成功"
	br.Success = true
	br.Ret = 200
}

// @Title 取消收藏
// @Description 取消收藏
// @Success 200 {object} models.BaseResponse
// @router /collectCancel [post]
func (this *MyChartController) CollectCancel() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()

	var req request.MyChartCollectCancelReq
	if err := json.Unmarshal(this.Ctx.Input.RequestBody, &req); err != nil {
		br.Msg = "参数解析失败"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	user := this.User
	if user.Status != utils.UserStatusFormal {
		br.Msg = "用户没有权限收藏"
		return
	}
	count, err := models.GetMyChartCount(user.UserId, req.UniqueCode)
	if err != nil {
		br.Msg = "取消收藏失败"
		br.ErrMsg = "获取收藏信息失败，Err:" + err.Error()
		return
	}
	if count == 0 {
		br.Msg = "该图表已取消收藏，请重新刷新页面"
		return
	}
	err = models.DeleteMyChart(user.UserId, req.UniqueCode)
	if err != nil {
		br.Msg = "取消收藏失败"
		br.ErrMsg = "取消收藏失败，Err:" + err.Error()
		return
	}

	br.Msg = "取消收藏成功"
	br.Success = true
	br.Ret = 200
}

// @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 *MyChartController) List() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()

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

	if pageSize <= 0 {
		pageSize = 30
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}

	user := this.User
	if user.Status != utils.UserStatusFormal {
		br.Msg = "用户没有收藏权限"
		return
	}
	total, err := models.GetMyChartListCountById(user.UserId)
	if err != nil {
		br.Msg = "查询收藏数量失败"
		br.ErrMsg = "查询收藏数量失败,Err:" + err.Error()
		return
	}

	resp := new(response.MyChartListResp)
	startSize := utils.StartIndex(currentIndex, pageSize)
	items, err := models.GetMyChartListById(user.UserId, startSize, pageSize)
	if err != nil {
		br.Msg = "查询收藏失败"
		br.ErrMsg = "查询收藏失败,Err:" + err.Error()
		return
	}

	page := paging.GetPaging(currentIndex, pageSize, total)
	resp.List = items
	resp.Paging = page

	br.Data = resp
	br.Msg = "查询成功"
	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 *MyChartController) Locate() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	user := this.User
	total, err := models.GetMyChartListCountById(user.UserId)
	if err != nil {
		br.Msg = "查询收藏数量失败"
		br.ErrMsg = "查询收藏数量失败,Err:" + err.Error()
		return
	}
	charts := make([]*response.MyChartLocateItem, 0)
	items, err := models.GetMyChartListById(user.UserId, 0, total)
	if err != nil {
		br.Msg = "查询收藏失败"
		br.ErrMsg = "查询收藏失败,Err:" + err.Error()
		return
	}
	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

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

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

// @Title Detail
// @Description 图表详情
// @Param   ChartInfoId   query   int  true       "图表详情id"
// @Success 200 {object} models.BaseResponse
// @router /detail [get]
func (this *MyChartController) Detail() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()

	user := this.User
	chartInfoId, _ := this.GetInt("ChartInfoId")
	if chartInfoId <= 0 {
		br.Msg = "图表id错误"
		return
	}

	result, err := services.GetChartDetail(chartInfoId, "")
	if err != nil {
		br.Msg = "获取图表详情失败"
		br.ErrMsg = "获取图表详情失败,Err:" + err.Error()
		return
	}
	if result.Ret != 200 {
		br.Msg = result.Msg
		br.ErrMsg = result.ErrMsg
		return
	}
	if result.Ret == 200 && result.Data.UniqueCode == "" {
		// 说明后台删除了这个图表，那么尝试将收藏的图表也删除
		models.DeleteMyChartByUserIdAndChartInfoId(user.UserId, chartInfoId)
		br.Msg = "图表已删除或不存在，请刷新页面"
		return
	}

	count, err := models.GetMyChartCount(user.UserId, result.Data.UniqueCode)
	if err != nil {
		br.Msg = "图表已删除或不存在"
		br.ErrMsg = "获取图表详情失败，Err:" + err.Error()
	}
	if count > 0 {
		result.Data.IsCollect = true
	}

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

// @Title IsCollect
// @Description create users
// @Success 200 {object} models.BaseResponse
// @router /isCollect [post]
func (this *MyChartController) IsCollect() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()

	var req request.MyChartIsCollectReq
	if err := json.Unmarshal(this.Ctx.Input.RequestBody, &req); err != nil {
		br.Msg = "参数解析失败"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}

	user := this.User
	count, err := models.GetMyChartCount(user.UserId, req.UniqueCode)
	if err != nil {
		br.Msg = "查询收藏数量失败"
		br.ErrMsg = "查询收藏数量失败,Err:" + err.Error()
		return
	}
	resp := new(response.MyChartIsCollectResp)
	if count > 0 {
		resp.IsCollect = true
	} else {
		resp.IsCollect = false
	}
	br.Data = resp
	br.Msg = "查询成功"
	br.Success = true
	br.Ret = 200
}