//! Smoke tests for clap-derive command parsing.

use std::time::Duration;

use bsk::cli::daemon::{DaemonCmd, parse_duration};
use bsk::cli::navigate::NavigateCmd;
use bsk::{Cli, Command};
use clap::Parser;

fn parse(args: &[&str]) -> Cli {
    Cli::try_parse_from(args).expect("clap parse should succeed")
}

#[test]
fn parses_daemon_start_with_defaults() {
    let cli = parse(&["bsk", "daemon", "start"]);
    let Command::Daemon(DaemonCmd::Start(args)) = cli.command else {
        panic!("expected daemon start subcommand");
    };
    assert!(args.port.is_none());
    assert!(!args.foreground);
    assert_eq!(args.resolved_port(), 52800);
    assert_eq!(args.resolved_daemon_idle(), Duration::from_secs(600));
}

#[test]
fn parses_daemon_start_with_flags() {
    let cli = parse(&[
        "bsk",
        "daemon",
        "start",
        "--foreground",
        "--port",
        "52900",
        "--daemon-idle",
        "2s",
        "--session-idle",
        "30s",
    ]);
    let Command::Daemon(DaemonCmd::Start(args)) = cli.command else {
        panic!("expected daemon start subcommand");
    };
    assert!(args.foreground);
    assert_eq!(args.resolved_port(), 52900);
    assert_eq!(args.resolved_daemon_idle(), Duration::from_secs(2));
    assert_eq!(args.resolved_session_idle(), Duration::from_secs(30));
}

#[test]
fn parses_daemon_stop_and_restart() {
    let cli = parse(&["bsk", "daemon", "stop"]);
    assert!(matches!(cli.command, Command::Daemon(DaemonCmd::Stop)));

    let cli = parse(&["bsk", "daemon", "restart", "--foreground"]);
    let Command::Daemon(DaemonCmd::Restart(args)) = cli.command else {
        panic!("expected daemon restart subcommand");
    };
    assert!(args.foreground);
}

#[test]
fn parses_top_level_status_and_doctor() {
    let cli = parse(&["bsk", "status"]);
    assert!(matches!(cli.command, Command::Status));

    let cli = parse(&["bsk", "doctor"]);
    assert!(matches!(cli.command, Command::Doctor));
}

#[test]
fn parses_console_command_with_context_safety_flags() {
    let cli = parse(&[
        "bsk",
        "console",
        "--session",
        "s1",
        "--tab-id",
        "9",
        "--since",
        "12",
        "--limit",
        "75",
        "--max-text-chars",
        "2048",
        "--include-stack",
    ]);
    let Command::Console(args) = cli.command else {
        panic!("expected console command");
    };
    assert_eq!(args.session, "s1");
    assert_eq!(args.tab_id, Some(9));
    assert_eq!(args.since, Some(12));
    assert_eq!(args.limit, Some(75));
    assert_eq!(args.max_text_chars, Some(2048));
    assert!(args.include_stack);
}

#[test]
fn rejects_zero_console_bounds() {
    assert!(Cli::try_parse_from(["bsk", "console", "--session", "s1", "--limit", "0"]).is_err());
    assert!(
        Cli::try_parse_from(["bsk", "console", "--session", "s1", "--max-text-chars", "0"])
            .is_err()
    );
}

#[test]
fn parses_install_skill_subcommand() {
    let cli = parse(&["bsk", "install-skill", "--list"]);
    assert!(matches!(cli.command, Command::InstallSkill(_)));
}

#[test]
fn parses_update_subcommand_with_flags() {
    let cli = parse(&["bsk", "update", "--check", "--yes", "--no-restart-daemon"]);
    let Command::Update(args) = cli.command else {
        panic!("expected update subcommand");
    };
    assert!(args.check);
    assert!(args.yes);
    assert!(!args.restart_daemon);
}

#[test]
fn duration_parser_accepts_units() {
    assert_eq!(parse_duration("750ms").unwrap(), Duration::from_millis(750));
    assert_eq!(parse_duration("2m").unwrap(), Duration::from_secs(120));
}

#[test]
fn parses_nested_navigate_back_and_forward() {
    let cli = parse(&["bsk", "navigate", "back", "--session", "s1"]);
    let Command::Navigate(cmd) = cli.command else {
        panic!("expected navigate command");
    };
    assert!(matches!(cmd.command, Some(NavigateCmd::Back(_))));

    let cli = parse(&["bsk", "navigate", "forward", "--session", "s1"]);
    let Command::Navigate(cmd) = cli.command else {
        panic!("expected navigate command");
    };
    assert!(matches!(cmd.command, Some(NavigateCmd::Forward(_))));
}

#[test]
fn parses_click_count_alias() {
    let cli = parse(&["bsk", "click", "@e1", "--session", "s1", "--count", "2"]);
    let Command::Click(args) = cli.command else {
        panic!("expected click command");
    };
    assert_eq!(args.click_count, 2);
}

#[test]
fn rejects_zero_click_count() {
    assert!(
        Cli::try_parse_from(["bsk", "click", "@e1", "--session", "s1", "--count", "0"]).is_err()
    );
}