//! `comment-edit <id> [body sources] [repo]` — edit an existing
//! comment by id.

use anyhow::{Result, bail};
use clap::Args as ClapArgs;
use forgejo_api::structs::EditIssueCommentOption;
use serde_json::json;

use crate::body;
use crate::client::{Client, index};
use crate::verbs::print_json;

#[derive(ClapArgs)]
pub struct Args {
    /// Comment id.
    id: u64,
    /// Inline body text.
    #[arg(long, conflicts_with = "body_file")]
    body: Option<String>,
    /// Read body from a file. `-` means stdin.
    #[arg(long = "body-file")]
    body_file: Option<String>,
}

/// # Errors
///
/// Propagates any I/O error from the body input (`--body-file`,
/// stdin), any transport error from the Forgejo REST call (network
/// unreachable, 4xx/5xx response, token missing/invalid), and any
/// I/O error from writing the response to stdout.
pub fn run(client: &Client, args: Args) -> Result<()> {
    let body = body::resolve_required(
        args.body.as_deref(),
        args.body_file.as_deref(),
        "comment-edit",
    )?;
    let (owner, name) = client.owner_repo()?;
    let Some(resp) = client
        .api()
        .issue_edit_comment(
            owner,
            name,
            index(args.id)?,
            EditIssueCommentOption {
                body,
                updated_at: None,
            },
        )
        .send()?
    else {
        // Forgejo answers 204 (no content) when the edit was a no-op.
        bail!("hive-forge comment-edit: comment {} not updated", args.id);
    };
    print_json(&json!({
        "id": resp.id,
        "user": resp.user.as_ref().and_then(|u| u.login.as_deref()),
        "url": resp.html_url,
    }))
}