//! The `user` subcommands, run as the real binary against a scratch database.

use std::io::Write;
use std::process::{Command, Output, Stdio};

fn run(db: &std::path::Path, args: &[&str], stdin: &str) -> Output {
    let mut child = Command::new(env!("CARGO_BIN_EXE_mtgc-server"))
        .args(args)
        .env("MTGC_DB", db)
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .stderr(Stdio::piped())
        .spawn()
        .unwrap();
    child.stdin.take().unwrap().write_all(stdin.as_bytes()).unwrap();
    child.wait_with_output().unwrap()
}

fn out(o: &Output) -> String {
    format!("{}{}", String::from_utf8_lossy(&o.stdout), String::from_utf8_lossy(&o.stderr))
}

#[test]
fn local_accounts_can_be_added_changed_listed_and_removed() {
    let dir = std::env::temp_dir().join(format!("mtgc-server-cli-{}", std::process::id()));
    let _ = std::fs::remove_dir_all(&dir);
    std::fs::create_dir_all(&dir).unwrap();
    let db = dir.join("server.db");

    let o = run(&db, &["user", "add", "Alice", "--display-name", "Alice A."], "a long password\n");
    assert!(o.status.success(), "{}", out(&o));

    let o = run(&db, &["user", "add", "alice"], "a long password\n");
    assert!(!o.status.success(), "duplicate names must be refused");

    let o = run(&db, &["user", "add", "bob"], "short\n");
    assert!(!o.status.success(), "short passwords must be refused");

    let o = run(&db, &["user", "passwd", "alice"], "another long password\n");
    assert!(o.status.success(), "{}", out(&o));
    let conn = mtgc_server::db::open(&db).unwrap();
    let (_, hash) = mtgc_server::db::local_user(&conn, "alice").unwrap().unwrap();
    assert!(hash.starts_with("$argon2id$"));
    drop(conn);

    let o = run(&db, &["user", "list"], "");
    assert!(out(&o).contains("alice") && out(&o).contains("Alice A."), "{}", out(&o));

    let o = run(&db, &["user", "remove", "alice"], "");
    assert!(!o.status.success(), "removal must be confirmed");
    let o = run(&db, &["user", "remove", "alice", "--yes"], "");
    assert!(o.status.success(), "{}", out(&o));
    let o = run(&db, &["user", "list"], "");
    assert!(!out(&o).contains("alice"), "{}", out(&o));

    std::fs::remove_dir_all(&dir).unwrap();
}