package api

import (
	"github.com/gin-gonic/gin"
	"github.com/guxuan/hailin_service/internal/mods/rbac/biz"
	"github.com/guxuan/hailin_service/internal/mods/rbac/schema"
	"github.com/guxuan/hailin_service/pkg/util"
)

type Product struct {
	ProductBIZ *biz.Product
}

// @Tags 产品模块
// @Security ApiKeyAuth
// @Summary Query Product list
// @Param current query int true "pagination index" default(1)
// @Param pageSize query int true "pagination size" default(10)
// @Param title query string false "title of Product"
// @Param categoryId query int false "categoryId of Product"
// @Param code query string false "code of Product"
// @Param status query string false "Status of Product (disabled,enabled)"
// @Success 200 {object} util.ResponseResult{data=[]schema.Product}
// @Failure 401 {object} util.ResponseResult
// @Failure 500 {object} util.ResponseResult
// @Router /api/v1/products [get]
func (a *Product) Query(c *gin.Context) {
	ctx := c.Request.Context()
	var params schema.ProductQueryParam
	if err := util.ParseQuery(c, &params); err != nil {
		util.ResError(c, err)
		return
	}

	result, err := a.ProductBIZ.Query(ctx, params)
	if err != nil {
		util.ResError(c, err)
		return
	}
	util.ResPage(c, result.Data, result.PageResult)
}

type Option struct {
	Value    interface{} `json:"value"`
	Label    string      `json:"label"`
	Children []Option    `json:"children"`
}

func ToOptions(categories *[]schema.ProductCategory) []Option {
	if categories == nil {
		return []Option{}
	}
	optMap := make(map[uint]*Option, len(*categories))
	for _, cat := range *categories {
		optMap[cat.ID] = &Option{
			Value:    cat.ID,
			Label:    cat.Label,
			Children: []Option{},
		}
	}
	var roots []Option
	for _, cat := range *categories {
		node := optMap[cat.ID]
		if cat.ParentID == 0 {
			roots = append(roots, *node)
		} else if parent, ok := optMap[cat.ParentID]; ok {
			parent.Children = append(parent.Children, *node)
		}
	}

	return roots
}

// @Tags 产品模块
// @Security ApiKeyAuth
// @Summary Query ProductCategory list
// @Success 200 {object} util.ResponseResult{data=[]schema.ProductCategory}
// @Failure 401 {object} util.ResponseResult
// @Failure 500 {object} util.ResponseResult
// @Router /api/v1/products/categorys [get]
func (a *Product) QueryCategory(c *gin.Context) {
	ctx := c.Request.Context()

	result, err := a.ProductBIZ.QueryProductCategory(ctx)
	if err != nil {
		util.ResError(c, err)
		return
	}
	list := ToOptions(result)
	util.ResSuccess(c, list)
}

// @Tags 产品模块
// @Security ApiKeyAuth
// @Summary Get Product record by ID
// @Param id path string true "unique id"
// @Success 200 {object} util.ResponseResult{data=schema.Product}
// @Failure 401 {object} util.ResponseResult
// @Failure 500 {object} util.ResponseResult
// @Router /api/v1/products/{id} [get]
func (a *Product) Get(c *gin.Context) {
	ctx := c.Request.Context()
	item, err := a.ProductBIZ.Get(ctx, c.Param("id"))
	if err != nil {
		util.ResError(c, err)
		return
	}
	util.ResSuccess(c, item)
}

// @Tags 产品模块
// @Security ApiKeyAuth
// @Summary Create Product record
// @Param body body schema.ProductForm true "Request body"
// @Success 200 {object} util.ResponseResult{data=schema.Product}
// @Failure 400 {object} util.ResponseResult
// @Failure 401 {object} util.ResponseResult
// @Failure 500 {object} util.ResponseResult
// @Router /api/v1/products [post]
func (a *Product) Create(c *gin.Context) {
	ctx := c.Request.Context()
	item := new(schema.ProductForm)
	if err := util.ParseJSON(c, item); err != nil {
		util.ResError(c, err)
		return
	}

	result, err := a.ProductBIZ.Create(ctx, item)
	if err != nil {
		util.ResError(c, err)
		return
	}
	util.ResSuccess(c, result)
}

// @Tags 产品模块
// @Security ApiKeyAuth
// @Summary Update Product record by ID
// @Param id path string true "unique id"
// @Param body body schema.ProductForm true "Request body"
// @Success 200 {object} util.ResponseResult
// @Failure 400 {object} util.ResponseResult
// @Failure 401 {object} util.ResponseResult
// @Failure 500 {object} util.ResponseResult
// @Router /api/v1/products/{id} [put]
func (a *Product) Update(c *gin.Context) {
	ctx := c.Request.Context()
	item := new(schema.ProductForm)
	if err := util.ParseJSON(c, item); err != nil {
		util.ResError(c, err)
		return
	}

	err := a.ProductBIZ.Update(ctx, c.Param("id"), item)
	if err != nil {
		util.ResError(c, err)
		return
	}
	util.ResOK(c)
}

// @Tags 产品模块
// @Security ApiKeyAuth
// @Summary Delete Product record by ID
// @Param id path string true "unique id"
// @Success 200 {object} util.ResponseResult
// @Failure 401 {object} util.ResponseResult
// @Failure 500 {object} util.ResponseResult
// @Router /api/v1/products/{id} [delete]
func (a *Product) Delete(c *gin.Context) {
	ctx := c.Request.Context()
	err := a.ProductBIZ.Delete(ctx, c.Param("id"))
	if err != nil {
		util.ResError(c, err)
		return
	}
	util.ResOK(c)
}