use interpulse::api::minecraft::Version;
use onelauncher_entity::{icon::Icon, loader::GameLoader, package::Provider, packages, resolution::Resolution};
use sea_orm::ActiveValue::Set;
use crate::{api::packages::{data::{ManagedPackage, ManagedUser, ManagedVersion, PackageAuthor, SearchQuery, SearchResult}, provider::ProviderExt}, store::{Settings, State}, utils::pagination::Paginated};
use tauri::{AppHandle, Runtime};

use crate::{api::{self, cluster::dao::ClusterId}, error::{LauncherError, LauncherResult}, store::{credentials::MinecraftCredentials, Core}};

use onelauncher_entity::prelude::model::*;

#[taurpc::procedures(path = "core")]
pub trait TauriLauncherApi {

	// Clusters
	#[taurpc(alias = "getClusters")]
	async fn get_clusters() -> LauncherResult<Vec<Cluster>>;

	#[taurpc(alias = "getClusterById")]
	async fn get_cluster_by_id(id: ClusterId) -> LauncherResult<Option<Cluster>>;

	#[taurpc(alias = "removeCluster")]
	async fn remove_cluster(id: ClusterId) -> LauncherResult<()>;

	#[taurpc(alias = "createCluster")]
	async fn create_cluster(options: CreateCluster) -> LauncherResult<Cluster>;

	#[taurpc(alias = "launchCluster")]
	async fn launch_cluster(id: ClusterId, uuid: Option<uuid::Uuid>) -> LauncherResult<()>;

	#[taurpc(alias = "updateClusterById")]
	async fn update_cluster_by_id(id: ClusterId, request: ClusterUpdate) -> LauncherResult<()>;

	#[taurpc(alias = "getScreenshots")]
	async fn get_screenshots(id: ClusterId) -> LauncherResult<Vec<String>>;

	#[taurpc(alias = "getWorlds")]
	async fn get_worlds(id: ClusterId) -> LauncherResult<Vec<String>>;


	// Setting Profiles
	#[taurpc(alias = "getProfileOrDefault")]
	async fn get_profile_or_default(name: Option<String>) -> LauncherResult<SettingsProfile>;

	#[taurpc(alias = "getGlobalProfile")]
	async fn get_global_profile() -> SettingsProfile;

	#[taurpc(alias = "updateClusterProfile")]
	async fn update_cluster_profile(name: String, profile: ProfileUpdate) -> LauncherResult<SettingsProfile>;

	// Game Metadata
	#[taurpc(alias = "getGameVersions")]
	async fn get_game_versions() -> LauncherResult<Vec<Version>>;

	#[taurpc(alias = "getLoadersForVersion")]
	async fn get_loaders_for_version(mc_version: String) -> LauncherResult<Vec<GameLoader>>;


	// Users
	#[taurpc(alias = "getUsers")]
	async fn get_users() -> LauncherResult<Vec<MinecraftCredentials>>;

	#[taurpc(alias = "getUser")]
	async fn get_user(uuid: uuid::Uuid) -> LauncherResult<Option<MinecraftCredentials>>;

	#[taurpc(alias = "removeUser")]
	async fn remove_user(uuid: uuid::Uuid) -> LauncherResult<()>;

	#[taurpc(alias = "getDefaultUser")]
	async fn get_default_user(fallback: Option<bool>) -> LauncherResult<Option<MinecraftCredentials>>;

	#[taurpc(alias = "setDefaultUser")]
	async fn set_default_user(uuid: Option<uuid::Uuid>) -> LauncherResult<()>;

	#[taurpc(alias = "openMsaLogin")]
	async fn open_msa_login<R: Runtime>(app_handle: AppHandle<R>) -> LauncherResult<Option<MinecraftCredentials>>;

	// Settings
	#[taurpc(alias = "readSettings")]
	async fn read_settings() -> LauncherResult<Settings>;

	#[taurpc(alias = "writeSettings")]
	async fn write_settings(setting: Settings) -> LauncherResult<()>;

	// Packages
	#[taurpc(alias = "searchPackages")]
	async fn search_packages(provider: Provider, query: SearchQuery) -> LauncherResult<Paginated<SearchResult>>;

	#[taurpc(alias = "getPackage")]
	async fn get_package(provider: Provider, slug: String) -> LauncherResult<ManagedPackage>;

	#[taurpc(alias = "getMultiplePackages")]
	async fn get_multiple_packages(provider: Provider, slugs: Vec<String>) -> LauncherResult<Vec<ManagedPackage>>;

	#[taurpc(alias = "getPackageVersions")]
	async fn get_package_versions(provider: Provider, slug: String, mc_versions: Option<Vec<String>>, loaders: Option<Vec<GameLoader>>, offset: usize, limit: usize) -> LauncherResult<Paginated<ManagedVersion>>;

	#[taurpc(alias = "getPackageUser")]
	async fn get_package_user(provider: Provider, slug: String) -> LauncherResult<ManagedUser>;

	#[taurpc(alias = "downloadPackage")]
	async fn download_package(provider: Provider, package_id: String, version_id: String, cluster_id: ClusterId, skip_compatibility: Option<bool>) -> LauncherResult<packages::Model>;

	#[taurpc(alias = "getUsersFromAuthor")]
	async fn get_users_from_author(provider: Provider, author: PackageAuthor) -> LauncherResult<Vec<ManagedUser>>;
}


#[derive(serde::Serialize, serde::Deserialize, specta::Type, Clone)]
pub struct CreateCluster {
	name: String,
	mc_version: String,
	mc_loader: GameLoader,
	mc_loader_version: Option<String>,
	icon: Option<Icon>,
}

#[derive(serde::Serialize, serde::Deserialize, specta::Type, Clone)]
pub struct ClusterUpdate {
	name: Option<String>,
	icon_url: Option<Icon>,
}

#[derive(serde::Serialize, serde::Deserialize, specta::Type, Clone)]
pub struct ProfileUpdate {
	pub res: Option<Resolution>,
	pub force_fullscreen: Option<bool>,
	pub mem_max: Option<u32>,
	pub launch_args: Option<String>,
	pub launch_env: Option<String>,
	pub hook_pre: Option<String>,
	pub hook_wrapper: Option<String>,
	pub hook_post: Option<String>,
}

#[taurpc::ipc_type]
pub struct TauriLauncherApiImpl;

#[taurpc::resolvers]
impl TauriLauncherApi for TauriLauncherApiImpl {

	// Clusters
	async fn get_clusters(self) -> LauncherResult<Vec<Cluster>> {
		api::cluster::dao::get_all_clusters().await
	}

	async fn get_cluster_by_id(self, id: ClusterId) -> LauncherResult<Option<Cluster>> {
		api::cluster::dao::get_cluster_by_id(id).await
	}

	async fn remove_cluster(self, id: ClusterId) -> LauncherResult<()> {
		api::cluster::dao::delete_cluster_by_id(id).await
	}

	async fn create_cluster(self, options: CreateCluster) -> LauncherResult<Cluster> {
		let cluster = api::cluster::create_cluster(&options.name, &options.mc_version, options.mc_loader, options.mc_loader_version.as_deref(), options.icon).await?;

		api::setting_profiles::create_profile(&options.name, |mut active_model: SettingsProfilePartial| async move {
			active_model.force_fullscreen = Set(Some(false));

			active_model.mem_max = Set(Some(2048));

			Ok(active_model)
		})
		.await?;

		api::cluster::dao::update_cluster_by_id(cluster.id, |mut active_model: ClusterPartial| async move {
			active_model.setting_profile_name = Set(Some(options.name.clone()));

			Ok(active_model)
		})
		.await?;

		Ok(cluster)
	}

	async fn launch_cluster(self, id: ClusterId, uuid: Option<uuid::Uuid>) -> LauncherResult<()> {
		let mut cluster = api::cluster::dao::get_cluster_by_id(id).await?
			.ok_or_else(|| anyhow::anyhow!("cluster with id {} not found", id))?;

		let uuid = match uuid {
			Some(uuid) => uuid,
			None => api::credentials::get_default_user().await?.ok_or_else(|| anyhow::anyhow!("no default user set"))?,
		};

		let user = api::credentials::get_user(uuid).await?
			.ok_or_else(|| anyhow::anyhow!("user with uuid {} not found", uuid))?;

		// let user = api::credentials::get_fake_user();

		let _ = api::game::launch::launch_minecraft(&mut cluster, user, None).await?;

		Ok(())
	}

	async fn update_cluster_by_id(self, id: ClusterId, request: ClusterUpdate) -> LauncherResult<()> {
		api::cluster::dao::update_cluster_by_id(id, |mut active_model: ClusterPartial| async move {
			if let Some(name) = request.name {
				active_model.name = Set(name)
			}

			// ok i know this is so wrong but im not a rust guy
			if let Some(icon_url) = request.icon_url {
				api::cluster::dao::set_icon_by_id(id, &icon_url).await?;
			}

			Ok(active_model)
		})
		.await
		.map_err(|e| LauncherError::from(e))?;

	 	Ok(())
	}

	async fn get_screenshots(self, id: ClusterId) -> LauncherResult<Vec<String>> {
		let cluster = api::cluster::dao::get_cluster_by_id(id).await?
			.ok_or_else(|| anyhow::anyhow!("cluster with id {} not found", id))?;

		api::cluster::content::get_screenshots(&cluster).await
	}

	async fn get_worlds(self, id: ClusterId) -> LauncherResult<Vec<String>> {
		let cluster = api::cluster::dao::get_cluster_by_id(id).await?
			.ok_or_else(|| anyhow::anyhow!("cluster with id {} not found", id))?;

		api::cluster::content::get_worlds(&cluster).await
	}

	// Setting Profiles
	async fn get_global_profile(self) -> SettingsProfile {
		api::setting_profiles::get_global_profile().await
	}

	async fn get_profile_or_default(self, name: Option<String>) -> LauncherResult<SettingsProfile> {
		api::setting_profiles::dao::get_profile_or_default(name.as_ref()).await
	}

	// please kill this with fire
	async fn update_cluster_profile(self, name: String, profile: ProfileUpdate) -> LauncherResult<SettingsProfile> {
		let profile = api::setting_profiles::dao::update_profile_by_name(&name, |mut active_model: SettingsProfilePartial| async move {
			if let Some(res) = profile.res {
				active_model.res = Set(Some(res));
			}

			if let Some(force_fullscreen) = profile.force_fullscreen {
				active_model.force_fullscreen = Set(Some(force_fullscreen));
			}

			if let Some(mem_max) = profile.mem_max {
				active_model.mem_max = Set(Some(mem_max));
			}

			if let Some(launch_args) = profile.launch_args {
				active_model.launch_args = Set(Some(launch_args));
			}

			if let Some(launch_env) = profile.launch_env {
				active_model.launch_env = Set(Some(launch_env));
			}

			if let Some(hook_pre) = profile.hook_pre {
				active_model.hook_pre = Set(Some(hook_pre));
			}

			if let Some(hook_wrapper) = profile.hook_wrapper {
				active_model.hook_wrapper = Set(Some(hook_wrapper));
			}

			if let Some(hook_post) = profile.hook_post {
				active_model.hook_post = Set(Some(hook_post));
			}

			Ok(active_model)
		})
		.await?;

		Ok(profile)
	}

	// Game Metadata
	async fn get_loaders_for_version(self, mc_version: String) -> LauncherResult<Vec<GameLoader>> {
		api::game::metadata::get_loaders_for_version(&mc_version).await
	}

	async fn get_game_versions(self) -> LauncherResult<Vec<Version>> {
		api::game::metadata::get_game_versions().await
	}


	// Users
	async fn get_users(self) -> LauncherResult<Vec<MinecraftCredentials>> {
		api::credentials::get_users().await
	}

	async fn get_user(self, uuid: uuid::Uuid) -> LauncherResult<Option<MinecraftCredentials>> {
		api::credentials::get_user(uuid).await
	}

	async fn remove_user(self, uuid: uuid::Uuid) -> LauncherResult<()> {
		api::credentials::remove_user(uuid).await
	}

	async fn get_default_user(self, fallback: Option<bool>) -> LauncherResult<Option<MinecraftCredentials>> {
		let uuid = api::credentials::get_default_user().await?;

		if fallback.is_some_and(|fallback| fallback) && uuid.is_none() {
			return Ok(api::credentials::get_users().await?.first().cloned());
		}

		match uuid {
			Some(uuid) => Ok(api::credentials::get_user(uuid).await?),
			None => Ok(None),
		}
	}

	async fn set_default_user(self, uuid: Option<uuid::Uuid>) -> LauncherResult<()> {
		api::credentials::set_default_user(uuid).await
	}

	async fn open_msa_login<R: Runtime>(self, app_handle: AppHandle<R>) -> LauncherResult<Option<MinecraftCredentials>> {
		use tauri::Manager;

		let flow = api::credentials::begin().await?;

		let now = chrono::Utc::now();

		if let Some(win) = app_handle.get_webview_window("login") {
			win.close()?;
		}

		let win = tauri::WebviewWindowBuilder::new(
			&app_handle,
			"login",
			tauri::WebviewUrl::External(
				flow.redirect_uri
					.parse()
					.map_err(|_| anyhow::anyhow!("failed to parse auth redirect url"))?,
			),
		)
			.title(format!("Login to {}", Core::get().launcher_name))
			.center()
			.focused(true)
			.build()?;

		win.request_user_attention(Some(tauri::UserAttentionType::Critical))?;

		while (chrono::Utc::now() - now) < chrono::Duration::minutes(10) {
			if win.title().is_err() {
				return Ok(None);
			}

			if win
				.url()?
				.as_str()
				.starts_with("https://login.live.com/oauth20_desktop.srf")
			{
				if let Some((_, code)) = win
					.url()?
					.query_pairs()
					.find(|x| x.0 == "code")
				{
					win.close()?;
					let value = api::credentials::finish(&code.clone(), flow).await?;

					return Ok(Some(value));
				}
			}

			tokio::time::sleep(std::time::Duration::from_millis(50)).await;
		}

		win.close()?;

		Ok(None)
	}

	async fn read_settings(self) -> LauncherResult<Settings> {
		let state = State::get().await?;
		let settings = state.settings.read().await;

		Ok(settings.clone())
	}

	async fn write_settings(self, setting: Settings) -> LauncherResult<()> {
		let state = State::get().await?;
		let mut settings = state.settings.write().await;

		*settings = setting;

		settings.save().await?;

		Ok(())
	}

	// Packages
	async fn search_packages(self, provider: Provider, query: SearchQuery) -> LauncherResult<Paginated<SearchResult>> {
    	Ok(provider.search(&query).await?)
	}

	async fn get_package(self, provider: Provider, slug: String) -> LauncherResult<ManagedPackage> {
    	Ok(provider.get(&slug).await?)
	}

	async fn get_multiple_packages(self, provider: Provider, slugs: Vec<String>) -> LauncherResult<Vec<ManagedPackage>> {
    	Ok(provider.get_multiple(&slugs).await?)
	}

	async fn get_package_versions(self, provider: Provider, slug: String, mc_versions: Option<Vec<String>>, loaders: Option<Vec<GameLoader>>, offset: usize, limit: usize) -> LauncherResult<Paginated<ManagedVersion>> {
    	Ok(provider.get_versions_paginated(&slug, mc_versions, loaders, offset, limit).await?)
	}

	async fn get_package_user(self, provider: Provider, slug: String) -> LauncherResult<ManagedUser> {
    	Ok(provider.get_user(&slug).await?)
	}

	async fn download_package(self, provider: Provider, package_id: String, version_id: String, cluster_id: ClusterId, skip_compatibility: Option<bool>) -> LauncherResult<packages::Model> {
		let cluster = api::cluster::dao::get_cluster_by_id(cluster_id).await?
			.ok_or_else(|| anyhow::anyhow!("cluster with id {} not found", cluster_id))?;

		let package = provider.get(&package_id).await?;

		let versions = provider.get_versions(&[version_id]).await?;
		let version = versions.into_iter().next()
			.ok_or_else(|| anyhow::anyhow!("Version not found"))?;

		let model = api::packages::download_package(&package, &version, None).await?;

		api::packages::link_package(&model, &cluster, skip_compatibility).await?;

		Ok(model)
	}

	async fn get_users_from_author(self, provider: Provider, author: PackageAuthor) -> LauncherResult<Vec<ManagedUser>> {
		Ok(provider.get_users_from_author(author).await?)
	}
}