package app

import (
    "net/http"

    "bindbox-game/internal/code"
    "bindbox-game/internal/pkg/core"
    "bindbox-game/internal/pkg/validation"
    "bindbox-game/internal/pkg/logger"
    "bindbox-game/internal/repository/mysql"
    "bindbox-game/internal/repository/mysql/dao"
)

type categoryHandler struct {
    logger logger.CustomLogger
    readDB *dao.Query
}

func NewCategory(logger logger.CustomLogger, db mysql.Repo) *categoryHandler {
    return &categoryHandler{logger: logger, readDB: dao.Use(db.GetDbR())}
}

type appCategoryItem struct {
    ID   int64  `json:"id"`
    Name string `json:"name"`
}

type listAppCategoriesResponse struct {
    List []appCategoryItem `json:"list"`
}

// ListCategoriesForApp 获取分类列表
// @Summary 获取分类列表
// @Description 获取APP端商品分类列表
// @Tags APP端.基础
// @Accept json
// @Produce json
// @Success 200 {object} listAppCategoriesResponse
// @Failure 400 {object} code.Failure
// @Router /api/app/categories [get]
func (h *categoryHandler) ListCategoriesForApp() core.HandlerFunc {
    return func(ctx core.Context) {
        q := h.readDB.ProductCategories.WithContext(ctx.RequestContext())
        items, err := q.Where(h.readDB.ProductCategories.Status.Eq(1)).Order(h.readDB.ProductCategories.ID.Asc()).Find()
        if err != nil {
            ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ServerError, validation.Error(err)))
            return
        }
        res := &listAppCategoriesResponse{List: make([]appCategoryItem, len(items))}
        for i, it := range items {
            res.List[i] = appCategoryItem{ID: it.ID, Name: it.Name}
        }
        ctx.Payload(res)
    }
}

