package fa import ( "context" "fmt" "net/url" "git.anthrove.art/public/go-fa-api/internal/urls" ) // PostCommentOptions configures a comment post. ParentID is the comment // being replied to (0 for a top-level comment on the submission/journal). type PostCommentOptions struct { ParentID CommentID } // PostSubmissionComment posts a comment on a submission. Body is BBCode- // formatted text (FA's comment markup). Returns nil on success; an // [ErrUnauthorized] when called without auth cookies; an // [*SystemMessageError] if FA refused the post (rate limiter, blocked // user, etc). // // FA's comment form (`#add_comment_form`) posts to the submission's own // URL with fields `action=reply`, `replyto=`, `reply=`. // There is no separate per-form CSRF key auth cookies + Cloudflare // clearance are the only gates. func (c *Client) PostSubmissionComment(ctx context.Context, id SubmissionID, body string, opts PostCommentOptions, reqOpts ...Option) error { if id <= 0 { return fmt.Errorf("fa: PostSubmissionComment: id must be > 0") } return c.postCommentForm(ctx, urls.Submission(int64(id)), body, opts, reqOpts) } // PostJournalComment posts a comment on a journal. Same form shape as // submissions; the form action just points at /journal/{id}/. func (c *Client) PostJournalComment(ctx context.Context, id JournalID, body string, opts PostCommentOptions, reqOpts ...Option) error { if id <= 0 { return fmt.Errorf("fa: PostJournalComment: id must be > 0") } return c.postCommentForm(ctx, urls.Journal(int64(id)), body, opts, reqOpts) } // postCommentForm builds the field set #add_comment_form sends. Shared // between submission and journal comment posting because FA renders an // identical form on both pages. func (c *Client) postCommentForm(ctx context.Context, pageURL, body string, opts PostCommentOptions, reqOpts []Option) error { if body == "" { return fmt.Errorf("fa: PostComment: empty body") } v := url.Values{} v.Set("f", "0") v.Set("action", "reply") if opts.ParentID > 0 { v.Set("replyto", opts.ParentID.String()) } else { v.Set("replyto", "") } v.Set("reply", body) v.Set("submit", "Post Comment") _, err := c.postForm(ctx, pageURL, v, reqOpts...) return err }