//! `issue <number> [repo]` — print key fields of an issue as JSON.

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

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

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

pub fn run(client: &Client, args: Args) -> Result<()> {
    let (owner, name) = client.owner_repo()?;
    let issue = client
        .api()
        .issue_get_issue(owner, name, index(args.number)?)
        .send()?;
    let assignees: Vec<&str> = issue
        .assignees
        .as_deref()
        .unwrap_or_default()
        .iter()
        .filter_map(|u| u.login.as_deref())
        .collect();
    let labels: Vec<&str> = issue
        .labels
        .as_deref()
        .unwrap_or_default()
        .iter()
        .filter_map(|l| l.name.as_deref())
        .collect();
    let dependencies = dependency_summaries(client, owner, name, args.number)?;
    let trimmed = json!({
        "number": issue.number,
        "title": issue.title,
        "state": issue.state,
        "user": issue.user.as_ref().and_then(|u| u.login.as_deref()),
        "assignees": assignees,
        "labels": labels,
        "dependencies": dependencies,
        "body": issue.body,
    });
    print_json(&trimmed)
}