package controllers

import (
	"encoding/json"
	"eta/eta_mini_bridge/models"
	"eta/eta_mini_bridge/models/request"
	"eta/eta_mini_bridge/models/response"
	"eta/eta_mini_bridge/utils"
)

type ClassifyController struct {
	BaseAuthController
}

// @Title 根据分类id获取一级品种
// @Description 根据分类id获取一级品种
// @Param	request	body request.ClassifyReq true "type json string"
// @Success 200 {object} response.ReportDetailResp
// @router /chart_permission/first [post]
func (this *ClassifyController) FirstChartPermission() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req request.ClassifyReq
	if err := json.Unmarshal(this.Ctx.Input.RequestBody, &req); err != nil {
		br.Msg = "参数错误"
		br.ErrMsg = "参数错误，Err:" + err.Error()
		return
	}
	if len(req.ClassifyIds) == 0 {
		br.Msg = "分类id错误，获取失败"
		return
	}
	permissionClassifyMap, err := models.GetChartPermissionListByClassifyIds(req.ClassifyIds)
	if err != nil {
		br.Msg = "品种获取失败"
		br.ErrMsg = "获取品种和分类的映射失败，系统错误，Err:" + err.Error()
		return
	}

	classifyToPermissionMap2 := make(map[int][]int)
	chartPermissionIds := make([]int, 0)
	for _, v := range permissionClassifyMap {
		classifyToPermissionMap2[v.ClassifyId] = append(classifyToPermissionMap2[v.ClassifyId], v.ChartPermissionId)
		chartPermissionIds = append(chartPermissionIds, v.ChartPermissionId)
	}

	// 获取二级品种的权限，并建立映射
	chartPermissionList2, err := models.GetChartPermissionListByIds(chartPermissionIds)
	if err != nil {
		br.Msg = "二级品种获取失败"
		br.ErrMsg = "二级品种获取失败，系统错误，Err:" + err.Error()
		return
	}
	chartPermissionViewMap2 := make(map[int]*models.ChartPermission)
	for _, v := range chartPermissionList2 {
		chartPermissionViewMap2[v.ChartPermissionId] = v
	}

	// 获取一级品种的权限，并建立映射
	chartPermissionList1, err := models.GetChildChartPermissionListById(0)
	if err != nil {
		br.Msg = "获取研报一级品种权限失败"
		br.ErrMsg = "获取研报一级品种权限失败，Err:" + err.Error()
		return
	}
	chartPermissionMap1 := make(map[int]*models.ChartPermission)
	for _, v := range chartPermissionList1 {
		chartPermissionMap1[v.ChartPermissionId] = v
	}

	var resp []*response.ClassifyPermissionItemResp
	for _, v := range req.ClassifyIds {
		t := new(response.ClassifyPermissionItemResp)
		t.ClassifyId = v
		for _, vv := range classifyToPermissionMap2[v] {
			if item, ok := chartPermissionViewMap2[vv]; ok {
				parent2 := item.ParentId
				t.PermissionNames = append(t.PermissionNames, chartPermissionMap1[parent2].PermissionName)
			}
		}
		t.PermissionNames = utils.Unique(t.PermissionNames)
		resp = append(resp, t)
	}

	br.Data = resp
	br.Success = true
	br.Ret = 200
	br.Msg = "获取成功"
}

// @Title 获取所有分类
// @Description 获取所有分类
// @Success 200 {object} []models.ClassifyView
// @router /list [get]
func (this *ClassifyController) AllClassify() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()

	classifyList, err := models.GetClassifyList()
	if err != nil {
		br.Msg = "获取分类失败"
		br.ErrMsg = "获取分类失败，系统错误，Err:" + err.Error()
		return
	}

	br.Data = classifyList
	br.Success = true
	br.Ret = 200
	br.Msg = "获取成功"
}