package userstore

import (
	"fmt"

	"git.rosy.net.cn/jx-callback/business/jxutils/jxcontext"
	"git.rosy.net.cn/jx-callback/business/model"
	"git.rosy.net.cn/jx-callback/business/model/dao"
)

type FoodRecipeItemParam struct {
	Name   string `json:"name"`
	SkuIDs []int  `json:"skuIDs"`
}

type FoodRecipeStepParam struct {
	Name        string `orm:"size(48)" json:"name"`
	Description string `orm:"size(4096)" json:"description"`
	Img         string `orm:"size(48)" json:"img"`
}

func updateFoodRecipeItemAndStep(ctx *jxcontext.Context, db *dao.DaoDB, recipeID int, itemList []*FoodRecipeItemParam, stepList []*FoodRecipeStepParam) (err error) {
	for k, v := range itemList {
		if len(v.SkuIDs) == 0 {
			return fmt.Errorf("SkuIDs必须要有值")
		}
		skuIDs, err2 := dao.GetSkus(db, v.SkuIDs, nil, nil, nil)
		if err = err2; err != nil {
			return err
		}
		if len(v.SkuIDs) != len(skuIDs) {
			return fmt.Errorf("某些SkuIDs不存在")
		}

		item := &model.FoodRecipeItem{
			RecipeID: recipeID,
			Index:    int8(k + 1),
			Name:     v.Name,
		}
		dao.WrapAddIDCULEntity(item, ctx.GetUserName())
		if err = dao.CreateEntity(db, item); err != nil {
			return err
		}
		for k2, v2 := range v.SkuIDs {
			choice := &model.FoodRecipeItemChoice{
				RecipeID: recipeID,
				Index:    item.Index,
				SkuID:    v2,

				ChoiceIndex: int8(k2 + 1),
			}
			dao.WrapAddIDCULEntity(choice, ctx.GetUserName())
			if err = dao.CreateEntity(db, choice); err != nil {
				return err
			}
		}
	}

	for k, v := range stepList {
		step := &model.FoodRecipeStep{
			RecipeID: recipeID,
			Index:    int8(k + 1),
			Name:     v.Name,
		}
		dao.WrapAddIDCULEntity(step, ctx.GetUserName())
		if err = dao.CreateEntity(db, step); err != nil {
			return err
		}
	}
	return err
}

func CreateFoodRecipe(ctx *jxcontext.Context, foodRecipe *model.FoodRecipe, itemList []*FoodRecipeItemParam, stepList []*FoodRecipeStepParam) (err error) {
	if len(itemList) == 0 {
		return fmt.Errorf("必须要有配料")
	}
	if len(stepList) == 0 {
		return fmt.Errorf("必须要有操作步骤")
	}

	db := dao.GetDB()
	dao.Begin(db)
	defer func() {
		if r := recover(); r != nil || err != nil {
			dao.Rollback(db)
			if r != nil {
				panic(r)
			}
		}
	}()

	_, foodRecipe.AuthorID = ctx.GetMobileAndUserID()
	dao.WrapAddIDCULEntity(foodRecipe, ctx.GetUserName())
	if err = dao.CreateEntity(db, foodRecipe); err != nil {
		return err
	}
	if err = updateFoodRecipeItemAndStep(ctx, db, foodRecipe.ID, itemList, stepList); err != nil {
		return err
	}

	dao.Commit(db)
	return err
}

func UpdateFoodRecipe(ctx *jxcontext.Context, recipeID int, mapData map[string]interface{}, itemList []*FoodRecipeItemParam, stepList []*FoodRecipeStepParam) (err error) {
	db := dao.GetDB()

	localRecipe := &model.FoodRecipe{}
	localRecipe.ID = recipeID
	if err = dao.GetEntity(db, localRecipe); err != nil {
		return err
	}
	valid := dao.StrictMakeMapByStructObject(mapData, localRecipe, ctx.GetUserName())

	dao.Begin(db)
	defer func() {
		if r := recover(); r != nil || err != nil {
			dao.Rollback(db)
			if r != nil {
				panic(r)
			}
		}
	}()

	if len(valid) > 0 {
		if _, err = dao.UpdateEntityLogically(db, localRecipe, valid, ctx.GetUserName(), nil); err != nil {
			return err
		}
	}
	if len(itemList) > 0 {
		choice := &model.FoodRecipeItemChoice{
			RecipeID: recipeID,
		}
		if _, err = dao.DeleteEntity(db, choice, "RecipeID"); err != nil {
			return err
		}

		recipeItems := &model.FoodRecipeItem{
			RecipeID: recipeID,
		}
		if _, err = dao.DeleteEntity(db, recipeItems, "RecipeID"); err != nil {
			return err
		}
	}
	if len(stepList) > 0 {
		recipeSteps := &model.FoodRecipeStep{
			RecipeID: recipeID,
		}
		if _, err = dao.DeleteEntity(db, recipeSteps, "RecipeID"); err != nil {
			return err
		}
	}
	if err = updateFoodRecipeItemAndStep(ctx, db, recipeID, itemList, stepList); err != nil {
		return err
	}
	dao.Commit(db)

	return err
}

func QueryFoodRecipes(ctx *jxcontext.Context, keyword, userID string) (recipeList []*model.FoodRecipe, err error) {
	recipeList, err = dao.QueryFoodRecipes(dao.GetDB(), keyword, userID)
	return recipeList, err
}