package web

import (
	"net/http"
	"strconv"
	"strings"
	"videoweb/app/service/commentser"

	"github.com/gin-gonic/gin"
)

// CommentList BFF：代理 GET /api/app/comment/list。
// 文档：http://172.104.181.99:25319/swagger/index.html#/评论APP/get_api_app_comment_list
func CommentList(c *gin.Context) {
	objectID, _ := strconv.ParseInt(c.Query("objectId"), 10, 64)
	objectType, _ := strconv.Atoi(c.Query("objectType"))
	pageNum, _ := strconv.Atoi(c.Query("pageNum"))
	pageSize, _ := strconv.Atoi(c.Query("pageSize"))
	sortOrder, _ := strconv.Atoi(c.Query("sortOrder"))
	if objectID <= 0 {
		c.JSON(http.StatusBadRequest, gin.H{
			"code": 400,
			"msg":  "objectId required",
			"tip":  "缺少评论对象",
			"data": nil,
		})
		return
	}
	data := commentser.FetchListOrEmpty(c, commentser.ListQuery{
		ObjectID:   objectID,
		ObjectType: objectType,
		PageNum:    pageNum,
		PageSize:   pageSize,
		SortOrder:  sortOrder,
	})
	c.JSON(http.StatusOK, gin.H{
		"code": 200,
		"msg":  "ok",
		"tip":  "成功",
		"data": data,
	})
}

// CommentSend BFF：代理 POST /api/app/comment/send。
// 文档：http://172.104.181.99:25319/swagger/index.html#/评论APP/post_api_app_comment_send
func CommentSend(c *gin.Context) {
	var req commentser.CommentSendReq
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{
			"code": 400,
			"msg":  "invalid body",
			"tip":  "参数错误",
			"data": nil,
		})
		return
	}
	env, err := commentser.Send(c, req)
	if err != nil {
		tip := "发布失败"
		msg := err.Error()
		switch {
		case strings.Contains(msg, "empty text"):
			tip = "请输入评论内容"
		case strings.Contains(msg, "too long"):
			tip = "评论不能超过 200 字"
		case strings.Contains(msg, "invalid objectId"):
			tip = "缺少评论对象"
		}
		c.JSON(http.StatusOK, gin.H{
			"code": 400,
			"msg":  msg,
			"tip":  tip,
			"data": nil,
		})
		return
	}
	if env == nil {
		c.JSON(http.StatusOK, gin.H{
			"code": 500,
			"msg":  "empty response",
			"tip":  "发布失败",
			"data": nil,
		})
		return
	}
	tip := env.Tip
	if tip == "" {
		tip = env.Msg
	}
	// 上游参数错误兜底提示（例如 objectType 不被支持）
	if env.Code == 1001 && (tip == "" || tip == "参数错误") {
		tip = "评论参数错误，请稍后重试"
	}
	c.JSON(http.StatusOK, gin.H{
		"code": env.Code,
		"msg":  env.Msg,
		"tip":  tip,
		"data": env.Data,
	})
}

// CommentLikeSet BFF：代理 POST /api/app/comment/like/set。
// 文档：http://172.104.181.99:25319/swagger/index.html#/评论APP/post_api_app_comment_like_set
func CommentLikeSet(c *gin.Context) {
	var body struct {
		CommentID int64 `json:"commentId"`
		IsLike    *bool `json:"isLike"`
	}
	if err := c.ShouldBindJSON(&body); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{
			"code": 400,
			"msg":  "invalid body",
			"tip":  "参数错误",
			"data": nil,
		})
		return
	}
	if body.CommentID <= 0 || body.IsLike == nil {
		c.JSON(http.StatusOK, gin.H{
			"code": 400,
			"msg":  "commentId/isLike required",
			"tip":  "缺少评论 ID 或点赞状态",
			"data": nil,
		})
		return
	}
	env, err := commentser.LikeSet(c, commentser.CommentLikeSetReq{
		CommentID: body.CommentID,
		IsLike:    *body.IsLike,
	})
	if err != nil {
		c.JSON(http.StatusOK, gin.H{
			"code": 500,
			"msg":  err.Error(),
			"tip":  "操作失败，请稍后重试",
			"data": nil,
		})
		return
	}
	if env == nil {
		c.JSON(http.StatusOK, gin.H{
			"code": 500,
			"msg":  "empty response",
			"tip":  "操作失败，请稍后重试",
			"data": nil,
		})
		return
	}
	c.JSON(http.StatusOK, gin.H{
		"code": env.Code,
		"msg":  env.Msg,
		"tip":  env.Tip,
		"data": env.Data,
	})
}