package commentser

import (
	"fmt"
	"strings"
	"unicode/utf8"
	"videoweb/app/service/upstream"

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

const sendPath = "/api/app/comment/send"

// Send 发布评论（一级 / 二级）。
func Send(c *gin.Context, req CommentSendReq) (*APIEnvelope[any], error) {
	req.Text = strings.TrimSpace(req.Text)
	if req.ObjectID <= 0 {
		return nil, fmt.Errorf("comment send invalid objectId")
	}
	req.ObjectType = NormalizeObjectType(req.ObjectType)
	if req.Text == "" {
		return nil, fmt.Errorf("comment send empty text")
	}
	if utf8.RuneCountInString(req.Text) > 200 {
		return nil, fmt.Errorf("comment send text too long")
	}
	if req.ParentsID < 0 {
		req.ParentsID = 0
	}
	if req.ReplyCommentID < 0 {
		req.ReplyCommentID = 0
	}
	// 二级评论：未显式指定 replyCommentId 时默认回复父评论
	if req.ParentsID > 0 && req.ReplyCommentID <= 0 {
		req.ReplyCommentID = req.ParentsID
	}

	var env APIEnvelope[any]
	if _, err := upstream.PostJSON(c, sendPath, req, &env); err != nil {
		return nil, err
	}
	return &env, nil
}