mod common;

#[test]
fn test_single_host_config() {
    let temp_dir = tempfile::TempDir::new().unwrap();
    let config_path = temp_dir.path().join("config.toml");
    let port = 1967 + (std::process::id() % 1000) as u16;

    // Create content directory and certificates
    let content_dir = temp_dir.path().join("content");
    std::fs::create_dir(&content_dir).unwrap();

    // Generate test certificates
    use std::process::Command;
    let cert_path = temp_dir.path().join("cert.pem");
    let key_path = temp_dir.path().join("key.pem");

    let cert_result = Command::new("openssl")
        .args(&[
            "req",
            "-x509",
            "-newkey",
            "rsa:2048",
            "-keyout",
            &key_path.to_string_lossy(),
            "-out",
            &cert_path.to_string_lossy(),
            "-days",
            "1",
            "-nodes",
            "-subj",
            "/CN=example.com",
        ])
        .output();

    if cert_result.is_err() {
        panic!("Failed to generate test certificates for config test");
    }

    let config_content = format!(
        r#"
bind_host = "127.0.0.1"
port = {}

["example.com"]
root = "{}"
cert = "{}"
key = "{}"
"#,
        port,
        content_dir.display(),
        cert_path.display(),
        key_path.display()
    );
    std::fs::write(&config_path, config_content).unwrap();

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

    std::thread::sleep(std::time::Duration::from_millis(500));
    assert!(
        server_process.try_wait().unwrap().is_none(),
        "Server should start with valid single host config"
    );
    server_process.kill().unwrap();
}

#[test]
fn test_multiple_hosts_config() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(
        r#"
[site1.com]
root = "{}"
cert = "{}"
key = "{}"

[site2.org]
root = "{}"
cert = "{}"
key = "{}"

bind_host = "127.0.0.1"
port = 1965
"#,
        temp_dir.path().join("site1").display(),
        temp_dir.path().join("site1_cert.pem").display(),
        temp_dir.path().join("site1_key.pem").display(),
        temp_dir.path().join("site2").display(),
        temp_dir.path().join("site2_cert.pem").display(),
        temp_dir.path().join("site2_key.pem").display()
    );
    std::fs::write(&config_path, config_content).unwrap();

    // Create additional directories and generate certificates
    std::fs::create_dir(temp_dir.path().join("site1")).unwrap();
    std::fs::create_dir(temp_dir.path().join("site2")).unwrap();

    // Generate certificates for each host
    use std::process::Command;

    // Site 1 certificate
    let cert_result1 = Command::new("openssl")
        .args(&[
            "req",
            "-x509",
            "-newkey",
            "rsa:2048",
            "-keyout",
            &temp_dir.path().join("site1_key.pem").to_string_lossy(),
            "-out",
            &temp_dir.path().join("site1_cert.pem").to_string_lossy(),
            "-days",
            "1",
            "-nodes",
            "-subj",
            "/CN=site1.com",
        ])
        .output();

    // Site 2 certificate
    let cert_result2 = Command::new("openssl")
        .args(&[
            "req",
            "-x509",
            "-newkey",
            "rsa:2048",
            "-keyout",
            &temp_dir.path().join("site2_key.pem").to_string_lossy(),
            "-out",
            &temp_dir.path().join("site2_cert.pem").to_string_lossy(),
            "-days",
            "1",
            "-nodes",
            "-subj",
            "/CN=site2.org",
        ])
        .output();

    if cert_result1.is_err() || cert_result2.is_err() {
        panic!("Failed to generate test certificates for multiple hosts test");
    }

    // Test server starts successfully with multiple host config
    let port = 1968 + (std::process::id() % 1000) as u16;
    let config_content = format!(
        r#"
bind_host = "127.0.0.1"
port = {}

["site1.com"]
root = "{}"
cert = "{}"
key = "{}"

["site2.org"]
root = "{}"
cert = "{}"
key = "{}"
"#,
        port,
        temp_dir.path().join("site1").display(),
        temp_dir.path().join("site1_cert.pem").display(),
        temp_dir.path().join("site1_key.pem").display(),
        temp_dir.path().join("site2").display(),
        temp_dir.path().join("site2_cert.pem").display(),
        temp_dir.path().join("site2_key.pem").display()
    );
    std::fs::write(&config_path, config_content).unwrap();

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

    std::thread::sleep(std::time::Duration::from_millis(500));
    assert!(
        server_process.try_wait().unwrap().is_none(),
        "Server should start with valid multiple host config"
    );
    server_process.kill().unwrap();
}

#[test]
fn test_missing_required_fields_in_host_config() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = r#"
bind_host = "127.0.0.1"
port = 1965

["example.com"]
root = "/tmp/content"
# missing cert and key
"#;
    std::fs::write(&config_path, config_content).unwrap();

    let output = std::process::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("Missing required field") || stderr.contains("missing field"));
}

#[test]
fn test_invalid_hostname_config() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(
        r#"
["invalid"]
root = "{}"
cert = "{}"
key = "{}"
"#,
        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 = std::process::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("Invalid hostname"));
}

#[test]
fn test_no_hosts_config() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = r#"
bind_host = "127.0.0.1"
port = 1965
# No host sections
"#;
    std::fs::write(&config_path, config_content).unwrap();

    let output = std::process::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("No host configurations found"));
}

#[test]
fn test_duplicate_hostname_config() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(
        r#"
[example.com]
root = "{}"
cert = "{}"
key = "{}"

[example.com]
root = "{}"
cert = "{}"
key = "{}"
"#,
        temp_dir.path().join("path1").display(),
        temp_dir.path().join("cert1.pem").display(),
        temp_dir.path().join("key1.pem").display(),
        temp_dir.path().join("path2").display(),
        temp_dir.path().join("cert2.pem").display(),
        temp_dir.path().join("key2.pem").display()
    );
    std::fs::write(&config_path, config_content).unwrap();

    // Create the directories and certs
    std::fs::create_dir(temp_dir.path().join("path1")).unwrap();
    std::fs::create_dir(temp_dir.path().join("path2")).unwrap();
    std::fs::write(temp_dir.path().join("cert1.pem"), "cert1").unwrap();
    std::fs::write(temp_dir.path().join("key1.pem"), "key1").unwrap();
    std::fs::write(temp_dir.path().join("cert2.pem"), "cert2").unwrap();
    std::fs::write(temp_dir.path().join("key2.pem"), "key2").unwrap();

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

    // Duplicate table headers are not allowed in TOML, so this should fail
    assert!(!output.status.success());
}

#[test]
fn test_host_with_port_override() {
    let temp_dir = common::setup_test_environment();
    let config_path = temp_dir.path().join("config.toml");
    // Test server starts successfully
    let port = 1969 + (std::process::id() % 1000) as u16;
    let config_content = format!(
        r#"
bind_host = "127.0.0.1"
port = {}

["example.com"]
root = "{}"
cert = "{}"
key = "{}"
port = 1970  # Override global port
"#,
        port,
        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 mut server_process = std::process::Command::new(env!("CARGO_BIN_EXE_pollux"))
        .arg("--config")
        .arg(&config_path)
        .spawn()
        .unwrap();

    std::thread::sleep(std::time::Duration::from_millis(500));
    assert!(
        server_process.try_wait().unwrap().is_none(),
        "Server should start with host port override"
    );
    server_process.kill().unwrap();
}

#[test]
fn test_config_file_not_found() {
    let output = std::process::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"));
}