use crate::app::command::Command;
use crate::app::keys::{KeyBinding, KEY_BINDINGS};
use crate::app::mode::Mode;
use crate::app::prompt::{OutputType, Prompt, COMMAND_PREFIX, SEARCH_PREFIX};
use crate::app::selection::Selection;
use crate::app::splash::{SplashConfig, SplashScreen};
use crate::app::state::State;
use crate::app::style::Style;
use crate::app::tab::Tab;
use crate::args::Args;
use crate::gpg::context::GpgContext;
use crate::gpg::key::{GpgKey, KeyDetail, KeyType};
use crate::widget::list::StatefulList;
use crate::widget::row::ScrollDirection;
use crate::widget::style::Color as WidgetColor;
use crate::widget::table::{StatefulTable, TableSize, TableState};
use anyhow::{anyhow, Error as AnyhowError, Result};
use colorsys::Rgb;
use copypasta_ext::display::DisplayServer as ClipboardDisplayServer;
use copypasta_ext::prelude::ClipboardProvider;
use std::collections::HashMap;
use std::path::Path;
use std::process::Command as OsCommand;
use std::str;
use std::str::FromStr;
use std::time::Instant;
use tui::style::Color;

/// Max duration of prompt messages.
const MESSAGE_DURATION: u128 = 1750;

/// Splash screen config.
static SPLASH_CONFIG: SplashConfig = SplashConfig {
	image_path: "splash.jpg",
	sha256_hash: Some(hex_literal::hex!(
		"dffd680d649a4a4b5df25dc1afaa722186c3bf38469a9156bad33f1719574e2a"
	)),
	render_steps: 12,
};

/// Main application.
///
/// It is responsible for running the commands
/// for changing the state of the interface.
pub struct App<'a> {
	/// Application state.
	pub state: State,
	/// Application mode.
	pub mode: Mode,
	/// Prompt manager.
	pub prompt: Prompt,
	/// Current tab.
	pub tab: Tab,
	/// Content of the options menu.
	pub options: StatefulList<Command>,
	/// Splash screen of the application.
	pub splash_screen: SplashScreen,
	/// Content of the key bindings list.
	pub key_bindings: StatefulList<KeyBinding<'a>>,
	/// Public/secret keys.
	pub keys: HashMap<KeyType, Vec<GpgKey>>,
	/// Table of public/secret keys.
	pub keys_table: StatefulTable<GpgKey>,
	/// States of the keys table.
	pub keys_table_states: HashMap<KeyType, TableState>,
	/// Level of detail to show for keys table.
	pub keys_table_detail: KeyDetail,
	/// Bottom margin value of the keys table.
	pub keys_table_margin: u16,
	/// Clipboard context.
	pub clipboard: Option<Box<dyn ClipboardProvider>>,
	/// GPGME context.
	pub gpgme: &'a mut GpgContext,
}

impl<'a> App<'a> {
	/// Constructs a new instance of `App`.
	pub fn new(gpgme: &'a mut GpgContext, args: &'a Args) -> Result<Self> {
		let keys = gpgme.get_all_keys()?;
		let keys_table = StatefulTable::with_items(
			keys.get(&KeyType::Public)
				.expect("failed to get public keys")
				.to_vec(),
		);
		let state = State::from(args);
		Ok(Self {
			mode: Mode::Normal,
			prompt: if state.select.is_some() {
				Prompt {
					output_type: OutputType::Action,
					text: String::from("-- select --"),
					clock: Some(Instant::now()),
					..Prompt::default()
				}
			} else {
				Prompt::default()
			},
			state,
			tab: Tab::Keys(KeyType::Public),
			options: StatefulList::with_items(Vec::new()),
			splash_screen: SplashScreen::new(SPLASH_CONFIG)?,
			key_bindings: StatefulList::with_items(KEY_BINDINGS.to_vec()),
			keys,
			keys_table,
			keys_table_states: HashMap::new(),
			keys_table_detail: KeyDetail::Minimum,
			keys_table_margin: 1,
			clipboard: match ClipboardDisplayServer::select().try_context() {
				None => {
					eprintln!("failed to initialize clipboard, no suitable clipboard provider found");
					None
				}
				clipboard => clipboard,
			},
			gpgme,
		})
	}

	/// Resets the application state.
	pub fn refresh(&mut self) -> Result<()> {
		self.state.refresh();
		self.mode = Mode::Normal;
		self.prompt.clear();
		self.options.state.select(Some(0));
		self.keys = self.gpgme.get_all_keys()?;
		self.keys_table_states.clear();
		self.keys_table_detail = KeyDetail::Minimum;
		self.keys_table_margin = 1;
		match self.tab {
			Tab::Keys(key_type) => {
				self.keys_table = StatefulTable::with_items(
					self.keys
						.get(&key_type)
						.unwrap_or_else(|| {
							panic!("failed to get {} keys", key_type)
						})
						.to_vec(),
				)
			}
			Tab::Help => {}
		};
		Ok(())
	}

	/// Handles the tick event of the application.
	///
	/// It is currently used to flush the prompt messages.
	pub fn tick(&mut self) {
		if let Some(clock) = self.prompt.clock {
			if clock.elapsed().as_millis() > MESSAGE_DURATION
				&& self.prompt.command.is_none()
			{
				self.prompt.clear()
			}
		}
	}

	/// Runs the given command which is used to specify
	/// the widget to render or action to perform.
	pub fn run_command(&mut self, command: Command) -> Result<()> {
		let mut show_options = false;
		if let Command::Confirm(ref cmd) = command {
			self.prompt.set_command(*cmd.clone())
		} else if self.prompt.command.is_some() {
			self.prompt.clear();
		}
		match command {
			Command::ShowHelp => {
				self.tab = Tab::Help;
				if self.key_bindings.state.selected().is_none() {
					self.key_bindings.state.select(Some(0));
				}
			}
			Command::ChangeStyle(style) => {
				self.state.style = style;
				self.prompt.set_output((
					OutputType::Success,
					format!("style: {}", self.state.style),
				))
			}
			Command::ShowOutput(output_type, message) => {
				self.prompt.set_output((output_type, message))
			}
			Command::ShowOptions => {
				let prev_selection = self.options.state.selected();
				let prev_item_count = self.options.items.len();
				self.options = StatefulList::with_items(match self.tab {
					Tab::Keys(key_type) => {
						if let Some(selected_key) = &self.keys_table.selected()
						{
							vec![
								Command::None,
								Command::ShowHelp,
								Command::Refresh,
								Command::RefreshKeys,
								Command::Set(
									String::from("prompt"),
									String::from(":import "),
								),
								Command::ImportClipboard,
								Command::Set(
									String::from("prompt"),
									String::from(":receive "),
								),
								Command::ExportKeys(
									key_type,
									vec![selected_key.get_id()],
									false,
								),
								if key_type == KeyType::Secret {
									Command::ExportKeys(
										key_type,
										vec![selected_key.get_id()],
										true,
									)
								} else {
									Command::None
								},
								Command::ExportKeys(
									key_type,
									Vec::new(),
									false,
								),
								Command::Confirm(Box::new(Command::DeleteKey(
									key_type,
									selected_key.get_id(),
								))),
								Command::Confirm(Box::new(Command::SendKey(
									selected_key.get_id(),
								))),
								Command::EditKey(selected_key.get_id()),
								if key_type == KeyType::Secret {
									Command::Set(
										String::from("signer"),
										selected_key.get_id(),
									)
								} else {
									Command::None
								},
								Command::SignKey(selected_key.get_id()),
								Command::GenerateKey,
								Command::Set(
									String::from("armor"),
									(!self.gpgme.config.armor).to_string(),
								),
								Command::Copy(Selection::Key),
								Command::Copy(Selection::KeyId),
								Command::Copy(Selection::KeyFingerprint),
								Command::Copy(Selection::KeyUserId),
								Command::Copy(Selection::TableRow(1)),
								Command::Copy(Selection::TableRow(2)),
								Command::Paste,
								Command::ToggleDetail(false),
								Command::ToggleDetail(true),
								Command::Set(
									String::from("margin"),
									String::from(
										if self.keys_table_margin == 1 {
											"0"
										} else {
											"1"
										},
									),
								),
								Command::ToggleTableSize,
								Command::ChangeStyle(self.state.style.next()),
								if self.mode == Mode::Visual {
									Command::SwitchMode(Mode::Normal)
								} else {
									Command::SwitchMode(Mode::Visual)
								},
								Command::Quit,
							]
							.into_iter()
							.enumerate()
							.filter(|(i, c)| {
								if c == &Command::None {
									*i == 0
								} else {
									true
								}
							})
							.map(|(_, c)| c)
							.collect()
						} else {
							vec![
								Command::None,
								Command::ShowHelp,
								Command::Refresh,
								Command::RefreshKeys,
								Command::Set(
									String::from("prompt"),
									String::from(":import "),
								),
								Command::ImportClipboard,
								Command::Set(
									String::from("prompt"),
									String::from(":receive "),
								),
								Command::GenerateKey,
								Command::Paste,
								Command::ChangeStyle(self.state.style.next()),
								if self.mode == Mode::Visual {
									Command::SwitchMode(Mode::Normal)
								} else {
									Command::SwitchMode(Mode::Visual)
								},
								Command::Quit,
							]
							.into_iter()
							.enumerate()
							.filter(|(i, c)| {
								if c == &Command::None {
									*i == 0
								} else {
									true
								}
							})
							.map(|(_, c)| c)
							.collect()
						}
					}
					Tab::Help => {
						vec![
							Command::None,
							Command::ListKeys(KeyType::Public),
							Command::ListKeys(KeyType::Secret),
							Command::ChangeStyle(self.state.style.next()),
							if self.mode == Mode::Visual {
								Command::SwitchMode(Mode::Normal)
							} else {
								Command::SwitchMode(Mode::Visual)
							},
							Command::Refresh,
							Command::Quit,
						]
					}
				});
				if prev_item_count == 0
					|| self.options.items.len() == prev_item_count
				{
					self.options.state.select(prev_selection.or(Some(0)));
				} else {
					self.options.state.select(Some(0));
				}
				show_options = true;
			}
			Command::ListKeys(key_type) => {
				if let Tab::Keys(previous_key_type) = self.tab {
					self.keys_table_states.insert(
						previous_key_type,
						self.keys_table.state.clone(),
					);
					self.keys.insert(
						previous_key_type,
						self.keys_table.default_items.clone(),
					);
				}
				self.keys_table = StatefulTable::with_items(
					self.keys
						.get(&key_type)
						.unwrap_or_else(|| {
							panic!("failed to get {} keys", key_type)
						})
						.to_vec(),
				);
				if let Some(state) = self.keys_table_states.get(&key_type) {
					self.keys_table.state = state.clone();
				}
				self.tab = Tab::Keys(key_type);
			}
			Command::ImportKeys(_, false) | Command::ImportClipboard => {
				let mut keys = Vec::new();
				let mut import_error = String::from("no files given");
				if let Command::ImportKeys(ref key_files, _) = command {
					keys = key_files.clone();
				} else if let Some(clipboard) = self.clipboard.as_mut() {
					match clipboard.get_contents() {
						Ok(content) => {
							keys = vec![content];
						}
						Err(e) => {
							import_error = e.to_string();
						}
					}
				}
				if keys.is_empty() {
					self.prompt.set_output((
						OutputType::Failure,
						format!("import error: {}", import_error),
					))
				} else {
					match self
						.gpgme
						.import_keys(keys, command != Command::ImportClipboard)
					{
						Ok(key_count) => {
							self.refresh()?;
							self.prompt.set_output((
								OutputType::Success,
								format!("{} key(s) imported", key_count),
							))
						}
						Err(e) => self.prompt.set_output((
							OutputType::Failure,
							format!("import error: {}", e),
						)),
					}
				}
			}
			Command::ExportKeys(key_type, ref patterns, false) => {
				self.prompt.set_output(
					match self
						.gpgme
						.export_keys(key_type, Some(patterns.to_vec()))
					{
						Ok(path) => {
							(OutputType::Success, format!("export: {}", path))
						}
						Err(e) => (
							OutputType::Failure,
							format!("export error: {}", e),
						),
					},
				);
			}
			Command::DeleteKey(key_type, ref key_id) => {
				match self.gpgme.delete_key(key_type, key_id.to_string()) {
					Ok(_) => {
						self.refresh()?;
					}
					Err(e) => self.prompt.set_output((
						OutputType::Failure,
						format!("delete error: {}", e),
					)),
				}
			}
			Command::SendKey(key_id) => {
				self.prompt.set_output(match self.gpgme.send_key(key_id) {
					Ok(key_id) => (
						OutputType::Success,
						format!("key sent to the keyserver: 0x{}", key_id),
					),
					Err(e) => {
						(OutputType::Failure, format!("send error: {}", e))
					}
				});
			}
			Command::GenerateKey
			| Command::RefreshKeys
			| Command::EditKey(_)
			| Command::SignKey(_)
			| Command::ImportKeys(_, true)
			| Command::ExportKeys(_, _, true) => {
				let mut success_msg = None;
				let mut os_command = OsCommand::new("gpg");
				os_command
					.arg("--homedir")
					.arg(self.gpgme.config.home_dir.as_os_str());
				if self.gpgme.config.armor {
					os_command.arg("--armor");
				}
				if let Some(default_key) = &self.gpgme.config.default_key {
					os_command.arg("--default-key").arg(default_key);
				}
				let os_command = match command {
					Command::EditKey(ref key) => {
						os_command.arg("--edit-key").arg(key)
					}
					Command::SignKey(ref key) => {
						os_command.arg("--sign-key").arg(key)
					}
					Command::ImportKeys(ref keys, _) => {
						os_command.arg("--receive-keys").args(keys)
					}
					Command::ExportKeys(key_type, ref keys, true) => {
						let path = self
							.gpgme
							.get_output_file(key_type, keys.to_vec())?;
						success_msg =
							Some(format!("export: {}", path.to_string_lossy()));
						os_command
							.arg("--output")
							.arg(path)
							.arg("--export-secret-subkeys")
							.args(keys)
					}
					Command::RefreshKeys => os_command.arg("--refresh-keys"),
					_ => os_command.arg("--full-gen-key"),
				};
				match os_command.spawn() {
					Ok(mut child) => {
						child.wait()?;
						self.refresh()?;
						if let Some(msg) = success_msg {
							self.prompt.set_output((OutputType::Success, msg))
						}
					}
					Err(e) => self.prompt.set_output((
						OutputType::Failure,
						format!("execution error: {}", e),
					)),
				}
			}
			Command::ToggleDetail(true) => {
				self.keys_table_detail.increase();
				for key in self.keys_table.items.iter_mut() {
					key.detail = self.keys_table_detail;
				}
				for key in self.keys_table.default_items.iter_mut() {
					key.detail = self.keys_table_detail;
				}
			}
			Command::ToggleDetail(false) => {
				if let Some(index) = self.keys_table.state.tui.selected() {
					if let Some(key) = self.keys_table.items.get_mut(index) {
						key.detail.increase()
					}
					if self.keys_table.items.len()
						== self.keys_table.default_items.len()
					{
						if let Some(key) =
							self.keys_table.default_items.get_mut(index)
						{
							key.detail.increase()
						}
					}
				}
			}
			Command::ToggleTableSize => {
				self.keys_table.state.minimize_threshold = 0;
				self.keys_table.state.size = self.keys_table.state.size.next();
				self.prompt.set_output((
					OutputType::Success,
					format!(
						"table size: {}",
						format!("{:?}", self.keys_table.state.size)
							.to_lowercase()
					),
				));
			}
			Command::Scroll(direction, false) => match direction {
				ScrollDirection::Down(_) => {
					if self.state.show_options {
						self.options.next();
						show_options = true;
					} else if Tab::Help == self.tab {
						self.key_bindings.next();
					} else {
						self.keys_table.next();
					}
				}
				ScrollDirection::Up(_) => {
					if self.state.show_options {
						self.options.previous();
						show_options = true;
					} else if Tab::Help == self.tab {
						self.key_bindings.previous();
					} else {
						self.keys_table.previous();
					}
				}
				ScrollDirection::Top => {
					if self.state.show_options {
						self.options.state.select(Some(0));
						show_options = true;
					} else if Tab::Help == self.tab {
						self.key_bindings.state.select(Some(0));
					} else {
						self.keys_table.state.tui.select(Some(0));
					}
				}
				ScrollDirection::Bottom => {
					if self.state.show_options {
						self.options.state.select(Some(
							self.options
								.items
								.len()
								.checked_sub(1)
								.unwrap_or_default(),
						));
						show_options = true;
					} else if Tab::Help == self.tab {
						self.key_bindings
							.state
							.select(Some(KEY_BINDINGS.len() - 1));
					} else {
						self.keys_table.state.tui.select(Some(
							self.keys_table
								.items
								.len()
								.checked_sub(1)
								.unwrap_or_default(),
						));
					}
				}
				_ => {}
			},
			Command::Scroll(direction, true) => {
				self.keys_table.scroll_row(direction);
			}
			Command::Set(option, value) => {
				if option == *"prompt"
					&& (value.starts_with(COMMAND_PREFIX)
						| value.starts_with(SEARCH_PREFIX))
				{
					self.prompt.clear();
					self.prompt.text = value;
				} else {
					self.prompt.set_output(match option.as_str() {
						"output" => {
							let path = Path::new(&value);
							if path.exists() {
								self.gpgme.config.output_dir =
									path.to_path_buf();
								(
									OutputType::Success,
									format!(
										"output directory: {:?}",
										self.gpgme.config.output_dir
									),
								)
							} else {
								(
									OutputType::Failure,
									String::from("path does not exist"),
								)
							}
						}
						"mode" => {
							if let Ok(mode) = Mode::from_str(&value) {
								self.mode = mode;
								(
									OutputType::Success,
									format!(
										"mode: {}",
										format!("{:?}", mode).to_lowercase()
									),
								)
							} else {
								(
									OutputType::Failure,
									String::from("invalid mode"),
								)
							}
						}
						"armor" => {
							if let Ok(value) = FromStr::from_str(&value) {
								self.gpgme.config.armor = value;
								self.gpgme.apply_config();
								(
									OutputType::Success,
									format!("armor: {}", value),
								)
							} else {
								(
									OutputType::Failure,
									String::from(
										"usage: set armor <true/false>",
									),
								)
							}
						}
						"signer" => {
							self.gpgme.config.default_key =
								Some(value.to_string());
							(OutputType::Success, format!("signer: {}", value))
						}
						"minimize" => {
							self.keys_table.state.minimize_threshold =
								value.parse().unwrap_or_default();
							(
								OutputType::Success,
								format!(
									"minimize threshold: {}",
									self.keys_table.state.minimize_threshold
								),
							)
						}
						"detail" => {
							if let Ok(detail_level) =
								KeyDetail::from_str(&value)
							{
								if let Some(index) =
									self.keys_table.state.tui.selected()
								{
									if let Some(key) =
										self.keys_table.items.get_mut(index)
									{
										key.detail = detail_level;
									}
									if self.keys_table.items.len()
										== self.keys_table.default_items.len()
									{
										if let Some(key) = self
											.keys_table
											.default_items
											.get_mut(index)
										{
											key.detail = detail_level;
										}
									}
								}
								(
									OutputType::Success,
									format!("detail: {}", detail_level),
								)
							} else {
								(
									OutputType::Failure,
									String::from("usage: set detail <level>"),
								)
							}
						}
						"margin" => {
							self.keys_table_margin =
								value.parse().unwrap_or_default();
							(
								OutputType::Success,
								format!(
									"table margin: {}",
									self.keys_table_margin
								),
							)
						}
						"style" => match Style::from_str(&value) {
							Ok(style) => {
								self.state.style = style;
								(
									OutputType::Success,
									format!("style: {}", self.state.style),
								)
							}
							Err(_) => (
								OutputType::Failure,
								String::from("usage: set style <style>"),
							),
						},
						"color" => {
							self.state.color =
								WidgetColor::from(value.as_ref()).get();
							(
								OutputType::Success,
								format!(
									"color: {}",
									match self.state.color {
										Color::Rgb(r, g, b) =>
											Rgb::from((r, g, b)).to_hex_string(),
										_ => format!("{:?}", self.state.color)
											.to_lowercase(),
									}
								),
							)
						}
						_ => (
							OutputType::Failure,
							if !option.is_empty() {
								format!("unknown option: {}", option)
							} else {
								String::from("usage: set <option> <value>")
							},
						),
					})
				}
			}
			Command::Get(option) => {
				self.prompt.set_output(match option.as_str() {
					"output" => (
						OutputType::Success,
						format!(
							"output directory: {:?}",
							self.gpgme.config.output_dir.as_os_str()
						),
					),
					"mode" => (
						OutputType::Success,
						format!(
							"mode: {}",
							format!("{:?}", self.mode).to_lowercase()
						),
					),
					"armor" => (
						OutputType::Success,
						format!("armor: {}", self.gpgme.config.armor),
					),
					"signer" => (
						OutputType::Success,
						match &self.gpgme.config.default_key {
							Some(key) => format!("signer: {}", key),
							None => String::from("signer key is not specified"),
						},
					),
					"minimize" => (
						OutputType::Success,
						format!(
							"minimize threshold: {}",
							self.keys_table.state.minimize_threshold
						),
					),
					"detail" => {
						if let Some(index) =
							self.keys_table.state.tui.selected()
						{
							if let Some(key) = self.keys_table.items.get(index)
							{
								(
									OutputType::Success,
									format!("detail: {}", key.detail),
								)
							} else {
								(
									OutputType::Failure,
									String::from("invalid selection"),
								)
							}
						} else {
							(
								OutputType::Failure,
								String::from("unknown selection"),
							)
						}
					}
					"margin" => (
						OutputType::Success,
						format!("table margin: {}", self.keys_table_margin),
					),
					"style" => (
						OutputType::Success,
						format!("style: {}", self.state.style),
					),
					"color" => (
						OutputType::Success,
						format!(
							"color: {}",
							match self.state.color {
								Color::Rgb(r, g, b) =>
									Rgb::from((r, g, b)).to_hex_string(),
								_ => format!("{:?}", self.state.color)
									.to_lowercase(),
							}
						),
					),
					_ => (
						OutputType::Failure,
						if !option.is_empty() {
							format!("unknown option: {}", option)
						} else {
							String::from("usage: get <option>")
						},
					),
				})
			}
			Command::SwitchMode(mode) => {
				if !(mode == Mode::Copy && self.keys_table.items.is_empty()) {
					self.mode = mode;
					self.prompt
						.set_output((OutputType::Action, mode.to_string()))
				}
			}
			Command::Copy(copy_type) => {
				let selected_key =
					&self.keys_table.selected().expect("invalid selection");
				let content = match copy_type {
					Selection::TableRow(1) => Ok(selected_key
						.get_subkey_info(
							self.gpgme.config.default_key.as_deref(),
							self.keys_table.state.size != TableSize::Normal,
						)
						.join("\n")),
					Selection::TableRow(2) => Ok(selected_key
						.get_user_info(
							self.keys_table.state.size == TableSize::Minimized,
						)
						.join("\n")),
					Selection::TableRow(_) => {
						Err(anyhow!("invalid row number"))
					}
					Selection::Key => {
						match self.gpgme.get_exported_keys(
							match self.tab {
								Tab::Keys(key_type) => key_type,
								_ => KeyType::Public,
							},
							Some(vec![selected_key.get_id()]),
						) {
							Ok(key) => str::from_utf8(&key)
								.map(|v| v.to_string())
								.map_err(AnyhowError::from),
							Err(e) => Err(e),
						}
					}
					Selection::KeyId => Ok(selected_key.get_id()),
					Selection::KeyFingerprint => {
						Ok(selected_key.get_fingerprint())
					}
					Selection::KeyUserId => Ok(selected_key.get_user_id()),
				};
				match content {
					Ok(content) => {
						if self.state.select.is_some() {
							self.state.exit_message = Some(content);
							self.run_command(Command::Quit)?;
						} else if let Some(clipboard) = self.clipboard.as_mut()
						{
							self.prompt.set_output(
								match clipboard.set_contents(content) {
									Ok(_) => (
										OutputType::Success,
										format!(
											"{} copied to clipboard",
											copy_type
										),
									),
									Err(e) => (
										OutputType::Failure,
										format!("clipboard error: {}", e),
									),
								},
							);
						} else {
							self.prompt.set_output((
								OutputType::Failure,
								String::from("clipboard not available"),
							));
						}
					}
					Err(e) => {
						self.prompt.set_output((
							OutputType::Failure,
							format!("selection error: {}", e),
						));
					}
				}
				self.mode = Mode::Normal;
			}
			Command::Paste => {
				if let Some(clipboard) = self.clipboard.as_mut() {
					match clipboard.get_contents() {
						Ok(content) => {
							self.prompt.clear();
							self.prompt.text = format!(":{}", content);
						}
						Err(e) => {
							self.prompt.set_output((
								OutputType::Failure,
								format!("clipboard error: {}", e),
							));
						}
					}
				} else {
					self.prompt.set_output((
						OutputType::Failure,
						String::from("clipboard not available"),
					));
				}
			}
			Command::EnableInput => self.prompt.enable_command_input(),
			Command::Search(query) => {
				self.prompt.text = format!("/{}", query.unwrap_or_default());
				self.prompt.enable_search();
				self.keys_table.items = self.keys_table.default_items.clone();
			}
			Command::NextTab => {
				self.run_command(self.tab.next().get_command())?
			}
			Command::PreviousTab => {
				self.run_command(self.tab.previous().get_command())?
			}
			Command::Refresh => self.refresh()?,
			Command::Quit => self.state.running = false,
			Command::Confirm(_) | Command::None => {}
		}
		self.state.show_options = show_options;
		Ok(())
	}
}

#[cfg(test)]
mod tests {
	use super::*;
	use crate::gpg::config::GpgConfig;
	use pretty_assertions::assert_eq;
	use std::convert::TryInto;
	use std::thread;
	use std::time::Duration;
	#[test]
	fn test_app_launcher() -> Result<()> {
		let args = Args::default();
		let config = GpgConfig::new(&args)?;
		let mut context = GpgContext::new(config)?;
		let mut app = App::new(&mut context, &args)?;
		app.run_command(Command::Refresh)?;

		app.run_command(Command::ShowHelp)?;
		assert_eq!(Tab::Help, app.tab);
		app.run_command(Command::ShowOptions)?;
		assert!(app.state.show_options);

		app.run_command(Command::ChangeStyle(Style::Colored))?;
		assert_eq!(Style::Colored, app.state.style);
		app.run_command(Command::ChangeStyle(Style::Plain))?;
		assert_eq!(Style::Plain, app.state.style);

		app.run_command(Command::ListKeys(KeyType::Public))?;
		app.run_command(Command::ToggleDetail(false))?;
		let mut detail = app.keys_table_detail.clone();
		detail.increase();
		app.run_command(Command::ToggleDetail(true))?;
		assert_eq!(detail, app.keys_table_detail);

		let prompt_text = format!("{}test", COMMAND_PREFIX);
		app.run_command(Command::Set(
			String::from("prompt"),
			prompt_text.to_string(),
		))?;
		assert_eq!(prompt_text, app.prompt.text);

		let home_dir =
			dirs_next::home_dir().unwrap().to_str().unwrap().to_string();
		app.run_command(Command::Set(
			String::from("output"),
			home_dir.to_string(),
		))?;
		app.run_command(Command::Get(String::from("output")))?;
		assert!(app.prompt.text.contains(&home_dir));

		let mut test_values = vec![
			("output", "/tmp"),
			("mode", "normal"),
			("armor", "true"),
			("signer", "0x0"),
			("minimize", "10"),
			("margin", "2"),
			("style", "plain"),
			("color", "#123123"),
		];
		if cfg!(feature = "gpg-tests") {
			test_values.push(("detail", "full"));
		}
		for (option, value) in test_values {
			app.run_command(Command::Set(
				option.to_string(),
				value.to_string(),
			))?;
			app.run_command(Command::Get(option.to_string()))?;
			assert!(
				(app.prompt.text == format!("{}: {}", option, value))
					|| app.prompt.text.contains(value)
			);
		}

		app.mode = Mode::Normal;
		app.run_command(Command::SwitchMode(Mode::Visual))?;
		assert_eq!(Mode::Visual, app.mode);

		app.run_command(Command::EnableInput)?;
		assert!(app.prompt.is_command_input_enabled());
		assert_eq!(COMMAND_PREFIX.to_string(), app.prompt.text);

		app.run_command(Command::Search(Some(String::from("x"))))?;
		assert!(app.prompt.is_search_enabled());
		assert_eq!(format!("{}x", SEARCH_PREFIX), app.prompt.text);

		app.tab = Tab::Keys(KeyType::Public);
		app.run_command(Command::NextTab)?;
		assert_eq!(Tab::Keys(KeyType::Secret), app.tab);
		app.run_command(Command::NextTab)?;
		assert_eq!(Tab::Keys(KeyType::Public), app.tab);

		app.tick();
		app.run_command(Command::ShowOutput(
			OutputType::Success,
			String::from("test"),
		))?;
		assert_eq!("test", app.prompt.text);
		thread::sleep(Duration::from_millis(
			(MESSAGE_DURATION + 10).try_into().unwrap(),
		));
		app.tick();
		assert_eq!("", app.prompt.text);

		app.run_command(Command::Quit)?;
		assert!(!app.state.running);

		app.run_command(Command::None)
	}
}