use super::CmdResult;
use crate::{feat, utils::dirs, wrap_err};
use tauri::Manager;

/// 打开应用程序所在目录
#[tauri::command]
pub fn open_app_dir() -> CmdResult<()> {
    let app_dir = wrap_err!(dirs::app_home_dir())?;
    wrap_err!(open::that(app_dir))
}

/// 打开核心所在目录
#[tauri::command]
pub fn open_core_dir() -> CmdResult<()> {
    let core_dir = wrap_err!(tauri::utils::platform::current_exe())?;
    let core_dir = core_dir.parent().ok_or("failed to get core dir")?;
    wrap_err!(open::that(core_dir))
}

/// 打开日志目录
#[tauri::command]
pub fn open_logs_dir() -> CmdResult<()> {
    let log_dir = wrap_err!(dirs::app_logs_dir())?;
    wrap_err!(open::that(log_dir))
}

/// 打开网页链接
#[tauri::command]
pub fn open_web_url(url: String) -> CmdResult<()> {
    wrap_err!(open::that(url))
}

/// 打开/关闭开发者工具
#[tauri::command]
pub fn open_devtools(app_handle: tauri::AppHandle) {
    if let Some(window) = app_handle.get_webview_window("main") {
        if !window.is_devtools_open() {
            window.open_devtools();
        } else {
            window.close_devtools();
        }
    }
}

/// 退出应用
#[tauri::command]
pub fn exit_app() {
    feat::quit(Some(0));
}

/// 重启应用
#[tauri::command]
pub async fn restart_app() -> CmdResult<()> {
    feat::restart_app();
    Ok(())
}

/// 获取便携版标识
#[tauri::command]
pub fn get_portable_flag() -> CmdResult<bool> {
    Ok(*dirs::PORTABLE_FLAG.get().unwrap_or(&false))
}

/// 获取应用目录
#[tauri::command]
pub fn get_app_dir() -> CmdResult<String> {
    let app_home_dir = wrap_err!(dirs::app_home_dir())?
        .to_string_lossy()
        .to_string();
    Ok(app_home_dir)
}

/// 下载图标缓存
#[tauri::command]
pub async fn download_icon_cache(url: String, name: String) -> CmdResult<String> {
    let icon_cache_dir = wrap_err!(dirs::app_home_dir())?.join("icons").join("cache");
    let icon_path = icon_cache_dir.join(name);
    if !icon_cache_dir.exists() {
        let _ = std::fs::create_dir_all(&icon_cache_dir);
    }
    if !icon_path.exists() {
        let response = wrap_err!(reqwest::get(url).await)?;

        let mut file = wrap_err!(std::fs::File::create(&icon_path))?;

        let content = wrap_err!(response.bytes().await)?;
        wrap_err!(std::io::copy(&mut content.as_ref(), &mut file))?;
    }
    Ok(icon_path.to_string_lossy().to_string())
}

#[derive(Debug, serde::Serialize, serde::Deserialize)]
pub struct IconInfo {
    name: String,
    previous_t: String,
    current_t: String,
}

/// 复制图标文件
#[tauri::command]
pub fn copy_icon_file(path: String, icon_info: IconInfo) -> CmdResult<String> {
    use std::fs;
    use std::path::Path;

    let file_path = Path::new(&path);

    let icon_dir = wrap_err!(dirs::app_home_dir())?.join("icons");
    if !icon_dir.exists() {
        let _ = fs::create_dir_all(&icon_dir);
    }
    let ext = match file_path.extension() {
        Some(e) => e.to_string_lossy().to_string(),
        None => "ico".to_string(),
    };

    let dest_path = icon_dir.join(format!(
        "{0}-{1}.{ext}",
        icon_info.name, icon_info.current_t
    ));
    if file_path.exists() {
        if icon_info.previous_t.trim() != "" {
            fs::remove_file(
                icon_dir.join(format!("{0}-{1}.png", icon_info.name, icon_info.previous_t)),
            )
            .unwrap_or_default();
            fs::remove_file(
                icon_dir.join(format!("{0}-{1}.ico", icon_info.name, icon_info.previous_t)),
            )
            .unwrap_or_default();
        }

        match fs::copy(file_path, &dest_path) {
            Ok(_) => Ok(dest_path.to_string_lossy().to_string()),
            Err(err) => Err(err.to_string()),
        }
    } else {
        Err("file not found".to_string())
    }
}