package service

import (
	"fmt"
	"strconv"
	"strings"

	"gitea.timerzz.com/kedaya_haitao/common/pkg/web"
	"gitea.timerzz.com/kedaya_haitao/common/structs/storage"
	"gitea.timerzz.com/kedaya_haitao/common/structs/utils"
	v2 "gitea.timerzz.com/kedaya_haitao/common/structs/v2"
	"github.com/gofiber/fiber/v3"
	"github.com/samber/lo"
	"gorm.io/gorm"
)

type Article struct {
	storage *storage.Storage
}

func NewArticle(storage *storage.Storage) *Article {
	return &Article{
		storage: storage,
	}
}

func (s *Article) Registry(r fiber.Router) {
	api := r.Group("/api/v2")
	api.Get("articles", s.List)
	api.Get("articles/u/:id", s.Get)
	api.Get("articles/dict/brand", s.BrandDict)
	api.Patch("articles", s.Update)
	api.Get("articles/provider/history/:id", s.ProviderHistory)
	api.Get("articles/seller/history/:id", s.SellerHistory)
	api.Patch("articles/provider", s.UpdateProviderArticle)
	api.Patch("articles/seller", s.UpdateSellerArticle)

	//屏蔽相关操作
	api.Get("articles/ban", s.ListBanArticle)
	api.Post("articles/ban/:ids", s.BanArticle)
	api.Delete("articles/ban/:ids", s.LiftBanArticle)
}

func (s *Article) List(c fiber.Ctx) error {
	var q storage.FindArticleQuery
	if err := c.Bind().Query(&q); err != nil {
		return err
	}
	q.SetBan(false)
	var query = storage.NewPageListQuery(&q)
	if err := c.Bind().Query(query); err != nil {
		return err
	}
	articles, total, err := s.storage.Article().List(*query, q.SortScope)
	if err != nil {
		return err
	}
	return c.JSON(web.NewResponse(web.NewListResponse(total, articles)))
}

func (s *Article) Get(c fiber.Ctx) error {
	id := c.Params("id")
	if id == "" {
		return fiber.NewError(fiber.StatusBadRequest, "id is required")
	}
	i, _ := strconv.Atoi(id)
	query := storage.NewGetArticleQuery().SetID(uint(i))
	article, err := s.storage.Article().Get(query)
	if err != nil {
		return err
	}
	return c.JSON(web.NewResponse(article))
}

func (s *Article) Update(c fiber.Ctx) error {
	var article v2.Article
	if err := c.Bind().JSON(&article); err != nil {
		return err
	}
	if article.ID == 0 {
		return fiber.NewError(fiber.StatusBadRequest, "id is required")
	}
	if err := s.storage.Article().Update(article); err != nil {
		return err
	}
	return c.JSON(web.NewResponse(article))
}

func (s *Article) BrandDict(c fiber.Ctx) error {
	var dict = []utils.Dict{
		{
			Key:   string(v2.Brand_Coach),
			Title: fmt.Sprintf("蔻驰/%s", v2.Brand_Coach),
			Value: v2.Brand_Coach,
		},
	}
	return c.JSON(web.NewResponse(dict))
}

// 获取供应商历史价格
func (s *Article) ProviderHistory(c fiber.Ctx) error {
	i := c.Params("id")
	id, _ := strconv.Atoi(i)
	if id == 0 {
		return fiber.NewError(fiber.StatusBadRequest, "id is required")
	}
	prices, err := s.storage.ProviderArticle().ProviderPrice(uint(id))
	if err != nil {
		return err
	}
	return c.JSON(web.NewResponse(prices))
}

// 获取销售商历史价格
func (s *Article) SellerHistory(c fiber.Ctx) error {
	i := c.Params("id")
	id, _ := strconv.Atoi(i)
	if id == 0 {
		return fiber.NewError(fiber.StatusBadRequest, "id is required")
	}
	prices, err := s.storage.SellerArticle().SellerPrice(uint(id))
	if err != nil {
		return err
	}
	return c.JSON(web.NewResponse(prices))
}

func (s *Article) UpdateProviderArticle(c fiber.Ctx) error {
	var article v2.ProviderArticle
	if err := c.Bind().JSON(&article); err != nil {
		return err
	}
	if err := s.storage.ProviderArticle().Update(article); err != nil {
		return err
	}
	return c.JSON(web.NewResponse(article))
}

func (s *Article) UpdateSellerArticle(c fiber.Ctx) error {
	var article v2.SellerArticle
	if err := c.Bind().JSON(&article); err != nil {
		return err
	}
	if err := s.storage.SellerArticle().Update(article); err != nil {
		return err
	}
	return c.JSON(web.NewResponse(article))
}

// BanArticle 禁用商品
func (s *Article) BanArticle(c fiber.Ctx) error {
	ids := c.Params("ids")
	if ids == "" {
		return fiber.NewError(fiber.StatusBadRequest, "ids is required")
	}
	idList := lo.Map(strings.Split(ids, ","), func(item string, index int) int {
		id, _ := strconv.Atoi(item)
		return id
	})

	err := s.storage.DB().Transaction(func(tx *gorm.DB) (err error) {
		if err = tx.Model(&v2.Article{}).Select("ban", "exclude").Where("id IN ?", idList).Updates(map[string]interface{}{"ban": true, "exclude": true}).Error; err != nil {
			return err
		}
		if err = tx.Model(&v2.ProviderArticle{}).Where("article_id IN ?", idList).Update("exclude", true).Error; err != nil {
			return err
		}
		return tx.Model(&v2.SellerArticle{}).Where("article_id IN ?", idList).Update("exclude", true).Error
	})
	if err != nil {
		return err
	}
	return c.JSON(web.NewResponse("ok"))
}

// 解禁商品
func (s *Article) LiftBanArticle(c fiber.Ctx) error {
	ids := c.Params("ids")
	if ids == "" {
		return fiber.NewError(fiber.StatusBadRequest, "ids is required")
	}
	idList := lo.Map(strings.Split(ids, ","), func(item string, index int) int {
		id, _ := strconv.Atoi(item)
		return id
	})

	err := s.storage.DB().Transaction(func(tx *gorm.DB) (err error) {
		if err = tx.Model(&v2.Article{}).Select("ban", "exclude").Where("id IN ?", idList).Updates(map[string]interface{}{"ban": false, "exclude": false}).Error; err != nil {
			return err
		}
		if err = tx.Model(&v2.ProviderArticle{}).Where("article_id IN ?", idList).Update("exclude", false).Error; err != nil {
			return err
		}
		return tx.Model(&v2.SellerArticle{}).Where("article_id IN ?", idList).Update("exclude", false).Error
	})
	if err != nil {
		return err
	}
	return c.JSON(web.NewResponse("ok"))
}

func (s *Article) ListBanArticle(c fiber.Ctx) error {
	var q storage.FindArticleQuery
	if err := c.Bind().Query(&q); err != nil {
		return err
	}
	q.SetBan(true)
	var query = storage.NewPageListQuery(&q)
	if err := c.Bind().Query(query); err != nil {
		return err
	}
	articles, total, err := s.storage.Article().List(*query, q.SortScope)
	if err != nil {
		return err
	}
	return c.JSON(web.NewResponse(web.NewListResponse(total, articles)))
}