use cli_test_dir::*;
use std::env;

#[test]
fn no_subcommand_shows_help() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "no_subcommand_shows_help");
    let output = testdir.cmd().output().expect("could not run command");
    assert!(!output.status.success(), "zero args should return an error");
    assert!(output.stderr_str().contains("USAGE"));
}

#[test]
fn subcommand_run_reports_success() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "subcommand_run_reports_success");
    let output = testdir
        .cmd()
        .args(&["run", "true"])
        .output()
        .expect_success();
    assert!(output.stderr_str().contains("Command succeeded: true"));
}

#[test]
fn subcommand_run_reports_failure() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "subcommand_run_reports_failue");
    let output = testdir
        .cmd()
        .args(&["run", "false"])
        .output()
        .expect("could not run command");
    assert!(!output.status.success(), "error should be detected");
    assert!(output.stderr_str().contains("Command failed: false"));
}

#[test]
fn subcommand_run_handles_command_and_args() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "subcommand_run_handles_command_and_args");
    let output = testdir
        .cmd()
        .args(&["run", "touch", "test.txt"])
        .output()
        .expect_success();
    testdir.expect_path("test.txt");
    assert!(output
        .stderr_str()
        .contains("Command succeeded: touch test.txt"));
}

#[test]
fn commands_do_not_require_double_dash() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "subcommand_run_handles_command_and_args");
    testdir
        .cmd()
        // Don't require a "--" before "echo".
        .args(&["run", "echo", "-n", "hello"])
        .expect_success();
}

#[test]
fn subcommand_watch_matches_success_pattern() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "subcommand_watch_matches_success_pattern");
    let output = testdir
        .cmd()
        .args(&["watch", "-s", "good", "echo", "good"])
        .output()
        .expect_success();
    assert!(output.stderr_str().contains("Command succeeded: echo good"));
}

#[test]
fn subcommand_watch_matches_failure_pattern() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "subcommand_watch_matches_failure_pattern");
    let output = testdir
        .cmd()
        .args(&["watch", "-f", "bad", "echo", "bad"])
        .output()
        .expect("could not run command");
    assert!(!output.status.success());
    assert!(output.stderr_str().contains("Command failed: echo bad"));
}

#[test]
fn subcommand_watch_times_out() {
    env::set_var("ALERT_NOTIFIER", "console");
    env::set_var("CLICOLOR", "0");
    let testdir = TestDir::new("alert", "subcommand_watch_matches_failure_pattern");
    let output = testdir
        .cmd()
        .args(&["watch", "-t", "0", "true"])
        .output()
        .expect("could not run command");
    assert!(!output.status.success());
    assert!(output.stderr_str().contains("Command timed out: true"));
}

// TODO: File an issue for `expect_failure` against `cli_test_dir`.
// TODO: User can include an extra message.