#[cfg(test)]
mod cli_tests {
    use assert_cmd::Command;
    use std::fs;

    #[test]
    fn test_cli_help() {
        let mut cmd = Command::cargo_bin("env-guard").unwrap();
        cmd.arg("--help").assert().success();
    }

    #[test]
    fn test_cli_version() {
        let mut cmd = Command::cargo_bin("env-guard").unwrap();
        cmd.arg("--version").assert().success();
    }

    #[test]
    fn test_cli_validate_missing_file() {
        let mut cmd = Command::cargo_bin("env-guard").unwrap();
        cmd.arg("validate").arg("--path").arg("nonexistent.env").assert().failure();
    }

    #[test]
    fn test_cli_generate_missing_file() {
        let mut cmd = Command::cargo_bin("env-guard").unwrap();
        cmd.arg("generate").arg("--path").arg("nonexistent.env").assert().failure();
    }

    #[test]
    fn test_cli_check_missing_file() {
        let mut cmd = Command::cargo_bin("env-guard").unwrap();
        cmd.arg("check").arg("--path").arg("nonexistent.env").assert().failure();
    }

    #[test]
    fn test_cli_validate_command() {
        let test_dir = "test_validate_dir";
        fs::create_dir_all(test_dir).unwrap();
        fs::write(format!("{}/.env", test_dir), "DATABASE_URL=postgres://localhost/db\nSECRET_KEY=secret").unwrap();

        let mut cmd = Command::cargo_bin("env-guard").unwrap();
        cmd.arg("validate").arg("--path").arg(format!("{}/.env", test_dir)).assert().success();

        fs::remove_dir_all(test_dir).ok();
    }

    #[test]
    fn test_cli_generate_command() {
        let test_dir = "test_generate_dir";
        fs::create_dir_all(test_dir).unwrap();
        fs::write(format!("{}/.env", test_dir), "DATABASE_URL=postgres://localhost/db\nSECRET_KEY=secret").unwrap();

        let mut cmd = Command::cargo_bin("env-guard").unwrap();
        cmd.arg("generate")
            .arg("--path")
            .arg(format!("{}/.env", test_dir))
            .arg("--output")
            .arg(format!("{}/.env.example", test_dir))
            .assert().success();

        assert!(fs::read_to_string(format!("{}/.env.example", test_dir)).unwrap().contains("DATABASE_URL"));
        
        fs::remove_dir_all(test_dir).ok();
    }
}