package handler

import (
	"net/http"
	"strconv"

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

// ToggleLike 点赞/取消点赞
func (h *Handlers) ToggleLike(c *gin.Context) {
	claims := middleware.CurrentUser(c)
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的帖子 ID"})
		return
	}
	liked, count, err := h.Like.Toggle(uint(id), claims.ID)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	// 仅点赞时通知帖子作者（取消点赞不通知）
	if liked {
		if authorID, e := h.Post.GetAuthorID(uint(id)); e == nil {
			h.Notification.Create(authorID, claims.ID, model.NotificationTypeLike, uint(id), 0, "")
		}
	}
	c.JSON(http.StatusOK, gin.H{"liked": liked, "like_count": count})
}