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use crate::requests::*;
use crate::types::*;

/// Strongly typed ChatAction. Instead of passing a String to the
/// `chat_action` method, this is used.
#[derive(Debug, Clone, PartialEq, PartialOrd, Serialize)]
#[must_use = "requests do nothing unless sent"]
pub enum ChatAction {
    #[serde(rename = "typing")]
    Typing,
    #[serde(rename = "upload_photo")]
    UploadPhoto,
    #[serde(rename = "record_video")]
    RecordVideo,
    #[serde(rename = "upload_video")]
    UploadVideo,
    #[serde(rename = "record_audio")]
    RecordAudio,
    #[serde(rename = "upload_audio")]
    UploadAudio,
    #[serde(rename = "upload_document")]
    UploadDocument,
    #[serde(rename = "find_location")]
    FindLocation,
}

/// Use this method when you need to tell the user that something is happening on the bot's side.
/// The status is set for 5 seconds or less (when a message arrives from your bot,
/// Telegram clients clear its typing status).
#[derive(Debug, Clone, PartialEq, PartialOrd, Serialize)]
pub struct SendChatAction {
    chat_id: ChatRef,
    action: ChatAction,
}

impl Request for SendChatAction {
    type Type = JsonRequestType<Self>;
    type Response = JsonTrueToUnitResponse;

    fn serialize(&self) -> Result<HttpRequest, Error> {
        Self::Type::serialize(RequestUrl::method("sendChatAction"), self)
    }
}

impl SendChatAction {
    pub fn new<C>(chat: C, action: ChatAction) -> Self
    where
        C: ToChatRef,
    {
        SendChatAction {
            chat_id: chat.to_chat_ref(),
            action: action,
        }
    }
}

/// Send `action` to a chat.
pub trait CanSendChatAction {
    fn chat_action(&self, action: ChatAction) -> SendChatAction;
}

impl<C> CanSendChatAction for C
where
    C: ToChatRef,
{
    fn chat_action(&self, action: ChatAction) -> SendChatAction {
        SendChatAction::new(self, action)
    }
}