mod common;

use std::process::Command;

#[test]
fn test_missing_config_file() {
    let output = Command::new(env!("CARGO_BIN_EXE_pollux"))
        .arg("--config")
        .arg("nonexistent.toml")
        .output()
        .unwrap();

    assert!(!output.status.success());
    let stderr = String::from_utf8(output.stderr).unwrap();
    assert!(stderr.contains("Config file 'nonexistent.toml' not found"));
    assert!(stderr.contains("Create the config file with required fields"));
}

#[test]
fn test_missing_hostname() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(r#"
        root = "{}"
        cert = "{}"
        key = "{}"
        bind_host = "127.0.0.1"
    "#, temp_dir.path().join("content").display(), temp_dir.path().join("cert.pem").display(), temp_dir.path().join("key.pem").display());
    std::fs::write(&config_path, config_content).unwrap();

    let output = Command::new(env!("CARGO_BIN_EXE_pollux"))
        .arg("--config")
        .arg(&config_path)
        .output()
        .unwrap();

    assert!(!output.status.success());
    let stderr = String::from_utf8(output.stderr).unwrap();
    assert!(stderr.contains("'hostname' field is required"));
    assert!(stderr.contains("Add: hostname = \"your.domain.com\""));
}

#[test]
fn test_nonexistent_root_directory() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(r#"
        root = "/definitely/does/not/exist"
        cert = "{}"
        key = "{}"
        hostname = "example.com"
        bind_host = "127.0.0.1"
    "#, temp_dir.path().join("cert.pem").display(), temp_dir.path().join("key.pem").display());
    std::fs::write(&config_path, config_content).unwrap();

    let output = Command::new(env!("CARGO_BIN_EXE_pollux"))
        .arg("--config")
        .arg(&config_path)
        .output()
        .unwrap();

    assert!(!output.status.success());
    let stderr = String::from_utf8(output.stderr).unwrap();
    assert!(stderr.contains("Error: Root directory '/definitely/does/not/exist' does not exist"));
    assert!(stderr.contains("Create the directory and add your Gemini files (.gmi, .txt, images)"));
}

#[test]
fn test_missing_certificate_file() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(r#"
        root = "{}"
        cert = "/nonexistent/cert.pem"
        key = "{}"
        hostname = "example.com"
        bind_host = "127.0.0.1"
    "#, temp_dir.path().join("content").display(), temp_dir.path().join("key.pem").display());
    std::fs::write(&config_path, config_content).unwrap();

    let output = Command::new(env!("CARGO_BIN_EXE_pollux"))
        .arg("--config")
        .arg(&config_path)
        .output()
        .unwrap();

    assert!(!output.status.success());
    let stderr = String::from_utf8(output.stderr).unwrap();
    assert!(stderr.contains("Error: Certificate file '/nonexistent/cert.pem' does not exist"));
    assert!(stderr.contains("Generate or obtain TLS certificates for your domain"));
}

#[test]
fn test_valid_config_startup() {
    let temp_dir = common::setup_test_environment();
    let port = 1967 + (std::process::id() % 1000) as u16;
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(r#"
        root = "{}"
        cert = "{}"
        key = "{}"
        hostname = "localhost"
        bind_host = "127.0.0.1"
        port = {}
    "#, temp_dir.path().join("content").display(), temp_dir.path().join("cert.pem").display(), temp_dir.path().join("key.pem").display(), port);
    std::fs::write(&config_path, config_content).unwrap();

    let mut server_process = Command::new(env!("CARGO_BIN_EXE_pollux"))
        .arg("--config")
        .arg(&config_path)
        .spawn()
        .unwrap();

    // Wait for server to start
    std::thread::sleep(std::time::Duration::from_millis(500));

    // Check server is still running (didn't exit with error)
    assert!(server_process.try_wait().unwrap().is_none(), "Server should still be running with valid config");

    // Kill server
    server_process.kill().unwrap();
}