package handler

import (
	"errors"
	"net/http"
	"strconv"

	"github.com/freefire/jiang13-bbs/middleware"
	"github.com/gin-gonic/gin"
	"gorm.io/gorm"
)

// Boards 获取板块列表
func (h *Handlers) Boards(c *gin.Context) {
	boards, err := h.Board.List()
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"boards": nonNilSlice(boards)})
}

// BoardSidebar 首页选中板块后的右栏聚合数据
func (h *Handlers) BoardSidebar(c *gin.Context) {
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil || id == 0 {
		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的板块 ID"})
		return
	}
	data, err := h.Board.Sidebar(uint(id))
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			c.JSON(http.StatusNotFound, gin.H{"error": "板块不存在"})
			return
		}
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	// 热门榜点赞态 + 登录用户签到
	if claims := middleware.CurrentUser(c); claims != nil {
		ids := make([]uint, 0, len(data.Hot))
		for _, p := range data.Hot {
			ids = append(ids, p.ID)
		}
		likedMap := h.Like.BatchHasLiked(ids, claims.ID)
		for i := range data.Hot {
			data.Hot[i].Liked = likedMap[data.Hot[i].ID]
		}
		if status, err := h.Checkin.Status(claims.ID); err == nil {
			data.Checkin = status
		}
	}
	c.JSON(http.StatusOK, gin.H{
		"board":        data.Board,
		"moderators":   data.Moderators,
		"stats":        data.Stats,
		"hot":          data.Hot,
		"active_users": data.ActiveUsers,
		"checkin":      data.Checkin,
	})
}