//! `pr <number> [repo]` — print key fields of a PR as JSON.

use anyhow::Result;
use clap::Args as ClapArgs;
use serde_json::json;

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

#[derive(ClapArgs)]
pub struct Args {
    /// PR number.
    number: u64,
}

pub fn run(client: &Client, args: Args) -> Result<()> {
    let (owner, name) = client.owner_repo()?;
    let pull = client
        .api()
        .repo_get_pull_request(owner, name, index(args.number)?)
        .send()?;
    let trimmed = json!({
        "number": pull.number,
        "title": pull.title,
        "state": pull.state,
        "merged": pull.merged,
        "user": pull.user.as_ref().and_then(|u| u.login.as_deref()),
        "head_sha": pull.head.as_ref().and_then(|h| h.sha.as_deref()),
        "head_branch": pull.head.as_ref().and_then(|h| h.label.as_deref()),
        "base_branch": pull.base.as_ref().and_then(|b| b.label.as_deref()),
    });
    print_json(&trimmed)
}