//! Tests for hooks system.

use std::path::PathBuf;
use std::time::Duration;

use gitks::hooks::manager::{HookLevel, HookManager};
use gitks::hooks::sanitize::{validate_hook_content, validate_hook_name};

fn temp_repo() -> PathBuf {
    let dir = tempfile::tempdir().unwrap().path().to_path_buf();
    // Create a bare git repo
    let _ = std::process::Command::new("git")
        .args(["init", "--bare"])
        .arg(&dir)
        .output();
    dir
}

#[test]
fn test_validate_hook_name() {
    assert!(validate_hook_name("pre-receive").is_ok());
    assert!(validate_hook_name("update").is_ok());
    assert!(validate_hook_name("post-receive").is_ok());
    assert!(validate_hook_name("commit-msg").is_ok());
    assert!(validate_hook_name("invalid-hook").is_err());
    assert!(validate_hook_name("").is_err());
    assert!(validate_hook_name("random-name").is_err());
}

#[test]
fn test_validate_hook_content_safe() {
    assert!(validate_hook_content("#!/bin/sh\nexit 0").is_ok());
    assert!(validate_hook_content("#!/bin/sh\necho 'hello'").is_ok());
}

#[test]
fn test_validate_hook_content_dangerous() {
    assert!(validate_hook_content("rm -rf /").is_err());
    assert!(validate_hook_content("shutdown now").is_err());
    assert!(validate_hook_content("chmod 777 /etc/passwd").is_err());
}

#[test]
fn test_validate_hook_content_size() {
    let large_content = "x".repeat(70000);
    assert!(validate_hook_content(&large_content).is_err());
}

#[test]
fn test_validate_hook_content_null_bytes() {
    assert!(validate_hook_content("test\0content").is_err());
}

#[test]
fn test_hook_manager_install_hooks() {
    let repo = temp_repo();
    let prefix = repo.parent().unwrap().to_path_buf();
    let hm = HookManager::new(prefix, None, None, Duration::from_secs(30), true);

    // Install hooks
    let result = hm.install_hooks(&repo);
    if result.is_ok() {
        // Check that hook files were created
        assert!(repo.join("hooks/pre-receive").exists());
        assert!(repo.join("hooks/update").exists());
        assert!(repo.join("hooks/post-receive").exists());
    }
    // Installation may fail if git is not available; just check no panic
}

#[test]
fn test_hook_manager_custom_hooks() {
    let repo = temp_repo();
    let prefix = repo.parent().unwrap().to_path_buf();
    let hm = HookManager::new(prefix, None, None, Duration::from_secs(30), true);

    // Set a custom hook
    let result = hm.set_custom_hook(&repo, "pre-receive", "#!/bin/sh\nexit 0");
    if result.is_ok() {
        assert!(repo.join("custom_hooks/pre-receive/d").exists());
    }

    // Remove custom hook
    let result = hm.remove_custom_hook(&repo, "pre-receive");
    assert!(result.is_ok() || result.is_err()); // Just no panic
}

#[test]
fn test_hook_manager_disallow_custom() {
    let repo = temp_repo();
    let prefix = repo.parent().unwrap().to_path_buf();
    let hm = HookManager::new(
        prefix,
        None,
        None,
        Duration::from_secs(30),
        false, // Disallow custom hooks
    );

    let result = hm.set_custom_hook(&repo, "pre-receive", "#!/bin/sh\nexit 0");
    assert!(result.is_err());
}

#[test]
fn test_hook_level_display() {
    assert_eq!(HookLevel::Server.to_string(), "server");
    assert_eq!(HookLevel::Custom.to_string(), "custom");
}