use std::{convert::Infallible, str::FromStr};

use pyo3::{types::PyString, Bound, IntoPyObject, Python};
use python_utils::IntoPyObjectViaDisplay;
use snafu::Snafu;
use strum::EnumString;
use url::Url;

pub mod command;
pub mod standard;
pub mod text_to_speech;

pub use command::*;
pub use standard::StandardNotification;
pub use text_to_speech::TextToSpeech;

#[derive(Debug, Clone, derive_more::Display)]
pub struct NonSpecialMessage(String);

#[derive(Debug, Clone, EnumString, strum::Display)]
#[strum(serialize_all = "snake_case")]
pub enum SpecialMessage {
    ClearBadge,
    ClearNotification,
    CommandActivity,
    CommandAppLock,
    CommandAutoScreenBrightness,
    CommandBluetooth,
    CommandBleTransmitter,
    CommandBeaconMonitor,
    CommandBroadcastIntent,
    CommandDnd,
    CommandFlashlight,
    CommandHighAccuracyMode,
    CommandLaunchApp,
    CommandMedia,
    CommandRingerMode,
    CommandScreenBrightnessLevel,
    CommandScreenOffTimeout,
    CommandScreenOn,
    CommandStopTts,
    CommandPersistentConnection,
    CommandUpdateSensors,
    CommandVolumeLevel,
    CommandWebivew,
    RemoveChannel,
    RequestLocationUpdate,
    // #[strum(serialize = "TTS")] TODO: WIP: TESTING
    Tts,
    UpdateComplications,
    UpdateWidgets,
}

/// wasn't supposed to get a specially-behaving message here, but got {got}
#[derive(Debug, Clone, Snafu)]
pub struct WasSpecialMessage {
    pub got: SpecialMessage,
}

impl FromStr for NonSpecialMessage {
    type Err = WasSpecialMessage;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match SpecialMessage::from_str(s) {
            Ok(special_message) => Err(WasSpecialMessage {
                got: special_message,
            }),
            Err(_e) => Ok(NonSpecialMessage(s.into())),
        }
    }
}

/// How much of a notification is visible on the lock screen
#[derive(Debug, Clone, Default, EnumString, strum::Display)]
#[strum(serialize_all = "snake_case")]
pub enum Visibility {
    /// always show all notification content
    Public,
    /// visibility depends on your setting in the system Settings app > Notifications;
    /// if the option to show sensitive notifications when locked is enabled all notification content will be shown,
    /// otherwise only basic information such as the icon and app name are visible
    #[default]
    Private,
    /// always hide notification from lock screen
    Secret,
}

// TODO: replace with a derive(DisplayToPy) (analogous to serde_with::SerializeDisplay) once I make one
impl<'py> IntoPyObject<'py> for Visibility {
    type Target = PyString;
    type Output = Bound<'py, Self::Target>;
    type Error = Infallible;

    fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error> {
        let s = self.to_string();
        s.into_pyobject(py)
    }
}

#[derive(Debug, Clone, EnumString, strum::Display)]
pub enum Behavior {
    /// prompt for text to return with the event
    #[strum(serialize = "textInput")]
    TextInput,
}

// TODO: replace with a derive(DisplayToPy) (analogous to serde_with::SerializeDisplay) once I make one
impl<'py> IntoPyObject<'py> for Behavior {
    type Target = PyString;
    type Output = Bound<'py, Self::Target>;
    type Error = Infallible;

    fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error> {
        let s = self.to_string();
        s.into_pyobject(py)
    }
}

#[derive(Debug, Clone, Default, EnumString, strum::Display)]
#[strum(serialize_all = "camelCase")]
pub enum ActivationMode {
    /// launch the app when tapped
    Foreground,
    /// just fires the event
    #[default]
    Background,
}

// TODO: replace with a derive(DisplayToPy) (analogous to serde_with::SerializeDisplay) once I make one
impl<'py> IntoPyObject<'py> for ActivationMode {
    type Target = PyString;
    type Output = Bound<'py, Self::Target>;
    type Error = Infallible;

    fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error> {
        let s = self.to_string();
        s.into_pyobject(py)
    }
}

// TODO: better typed versions like `CallNumber` or `OpenWebpage` where Action: From<CallNumber> and Action: From<OpenWebPage>
#[derive(Debug, Clone, IntoPyObject, typed_builder::TypedBuilder)]
#[builder(field_defaults(default, setter(strip_option(fallback_suffix = "_option"))))]
pub struct Action {
    // TODO: proper type
    // TODO: I wish I could call this identifier or something instead
    #[builder(!default, setter(!strip_option))]
    pub action: String,
    #[builder(!default, setter(!strip_option))]
    pub title: String,

    pub uri: Option<IntoPyObjectViaDisplay<Url>>,
    pub behavior: Option<Behavior>,

    // TODO: make this written as activationMode
    /// (iOS only) decide whether to open the app (to the foreground) when tapped
    /// or merely fire an event (in the background)
    pub activation_mode: Option<ActivationMode>,

    // TODO: make this written as authenticationRequired
    /// (iOS only) require entering a passcode to use the action
    pub authentication_required: Option<bool>,

    /// (iOS only) color the action's title red, indicating a destructive action
    pub destructive: Option<bool>,

    // TODO: make this written as textInputButtonTitle
    /// (iOS only) Title to use for text input for actions that prompt
    pub text_input_button_title: Option<String>,

    // TODO: make this written as textInputPlaceholder
    /// (iOS only) Placeholder to use for text input for actions that prompt
    pub text_input_placeholder: Option<String>,

    // TODO: proper type
    /// (iOS only) icon to use for the notification
    pub icon: Option<String>,
}

#[derive(Debug, Clone, Default, EnumString, strum::Display)]
#[strum(serialize_all = "snake_case", suffix = "_stream")]
pub enum MediaStream {
    Alarm,
    Call,
    Dtmf,
    #[default]
    Music,
    Notification,
    Ring,
    System,
}

// TODO: replace with a derive(DisplayToPy) (analogous to serde_with::SerializeDisplay) once I make one
impl<'py> IntoPyObject<'py> for MediaStream {
    type Target = PyString;
    type Output = Bound<'py, Self::Target>;
    type Error = Infallible;

    fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error> {
        let s = self.to_string();
        s.into_pyobject(py)
    }
}

#[derive(Debug, Default, Clone, IntoPyObject, typed_builder::TypedBuilder)]
#[builder(field_defaults(default, setter(strip_option(fallback_suffix = "_option"))))]
pub struct NotifyMobileAppServiceDataData {
    actions: Option<Vec<Action>>,
    media_stream: Option<MediaStream>,
    tts_text: Option<String>,
    visibility: Option<Visibility>,
}

#[derive(Debug, Clone, IntoPyObject, typed_builder::TypedBuilder)]
#[builder(field_defaults(default, setter(strip_option(fallback_suffix = "_option"))))]
pub struct NotifyMobileAppServiceData {
    #[builder(!default, setter(!strip_option))]
    message: String,

    title: Option<String>,
    #[builder(setter(!strip_option))]
    data: NotifyMobileAppServiceDataData,
}