//! CLI integration tests for empeve
//!
//! These tests exercise the binary's command-line interface to ensure
//! proper user-facing behavior.

use assert_cmd::Command;
use predicates::prelude::*;
use tempfile::TempDir;

/// Get a command instance for empeve
#[allow(deprecated)]
fn empeve() -> Command {
    Command::cargo_bin("empeve").unwrap()
}

#[test]
fn test_cli_help() {
    empeve()
        .arg("--help")
        .assert()
        .success()
        .stdout(predicate::str::contains("Plugin manager for mpv"));
}

#[test]
fn test_cli_version() {
    empeve()
        .arg("--version")
        .assert()
        .success()
        .stdout(predicate::str::contains("empeve"));
}

#[test]
fn test_cli_help_add() {
    empeve()
        .args(["add", "--help"])
        .assert()
        .success()
        .stdout(predicate::str::contains("Add a repository"));
}

#[test]
fn test_cli_help_install() {
    empeve()
        .args(["install", "--help"])
        .assert()
        .success()
        .stdout(predicate::str::contains("Install all configured repositories"));
}

#[test]
fn test_cli_help_update() {
    empeve()
        .args(["update", "--help"])
        .assert()
        .success()
        .stdout(predicate::str::contains("Update all repositories"));
}

/// Test that the add command rejects invalid repo formats
#[test]
fn test_cli_add_invalid_repo_format() {
    let temp = TempDir::new().unwrap();
    let config_dir = temp.path().join(".config").join("empeve");
    std::fs::create_dir_all(&config_dir).unwrap();

    // Create minimal config
    let config_path = config_dir.join("config.toml");
    std::fs::write(&config_path, "[settings]\n").unwrap();

    empeve()
        .env("XDG_CONFIG_HOME", temp.path().join(".config"))
        .args(["add", "invalid_repo_no_slash"])
        .assert()
        .failure()
        .stderr(predicate::str::contains("invalid repository format"));
}

/// Test that the add command accepts valid GitHub shorthand
#[test]
fn test_cli_add_valid_repo_format() {
    let temp = TempDir::new().unwrap();
    let config_dir = temp.path().join(".config").join("empeve");
    std::fs::create_dir_all(&config_dir).unwrap();

    // Create minimal config
    let config_path = config_dir.join("config.toml");
    std::fs::write(&config_path, "[settings]\n").unwrap();

    empeve()
        .env("XDG_CONFIG_HOME", temp.path().join(".config"))
        .args(["add", "user/repo"])
        .assert()
        .success()
        .stdout(predicate::str::contains("Added"));

    // Verify config was updated
    let config_content = std::fs::read_to_string(&config_path).unwrap();
    assert!(config_content.contains("user/repo"));
}

/// Test that adding a duplicate repo fails
#[test]
fn test_cli_add_duplicate_fails() {
    let temp = TempDir::new().unwrap();
    let config_dir = temp.path().join(".config").join("empeve");
    std::fs::create_dir_all(&config_dir).unwrap();

    // Create config with existing repo
    let config_path = config_dir.join("config.toml");
    std::fs::write(
        &config_path,
        r#"[settings]

[[repos]]
repo = "existing/repo"
"#,
    )
    .unwrap();

    empeve()
        .env("XDG_CONFIG_HOME", temp.path().join(".config"))
        .args(["add", "existing/repo"])
        .assert()
        .failure()
        .stderr(predicate::str::contains("already exists"));
}

/// Test that removing a non-existent repo fails
#[test]
fn test_cli_remove_nonexistent_fails() {
    let temp = TempDir::new().unwrap();
    let config_dir = temp.path().join(".config").join("empeve");
    std::fs::create_dir_all(&config_dir).unwrap();

    // Create empty config
    let config_path = config_dir.join("config.toml");
    std::fs::write(&config_path, "[settings]\n").unwrap();

    empeve()
        .env("XDG_CONFIG_HOME", temp.path().join(".config"))
        .args(["remove", "nonexistent/repo"])
        .assert()
        .failure()
        .stderr(predicate::str::contains("not found"));
}

/// Test status command with empty config
#[test]
fn test_cli_status_empty_config() {
    let temp = TempDir::new().unwrap();
    let config_dir = temp.path().join(".config").join("empeve");
    std::fs::create_dir_all(&config_dir).unwrap();

    // Create empty config
    let config_path = config_dir.join("config.toml");
    std::fs::write(&config_path, "[settings]\n").unwrap();

    empeve()
        .env("XDG_CONFIG_HOME", temp.path().join(".config"))
        .arg("status")
        .assert()
        .success()
        .stdout(predicate::str::contains("No repositories"));
}

/// Test that --target flag is recognized
#[test]
fn test_cli_target_flag() {
    let temp = TempDir::new().unwrap();
    let config_dir = temp.path().join(".config").join("empeve");
    std::fs::create_dir_all(&config_dir).unwrap();

    // Create config with target
    let config_path = config_dir.join("config.toml");
    let mpv_path = temp.path().join("mpv");
    std::fs::create_dir_all(&mpv_path).unwrap();

    std::fs::write(
        &config_path,
        format!(
            r#"[settings]

[[targets]]
name = "mpv"
path = "{}"
"#,
            mpv_path.display()
        ),
    )
    .unwrap();

    empeve()
        .env("XDG_CONFIG_HOME", temp.path().join(".config"))
        .args(["--target", "mpv", "list"])
        .assert()
        .success();
}