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use serde::{Deserialize, Serialize};
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use crate::{

            

        

            

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    commands::{Command, Request, RequestParserError, RequestParserResult, ResponseParserError},

            

        

            

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    common::{StickerType, Uri},

            

        

            

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    request_tokenizer::RequestTokenizer,

            

        

            

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    response_tokenizer::{ResponseAttributes, get_next_property},

            

        

            

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};

            

        

            

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pub struct StickerGet;

            

        

            

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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]

            

        

            

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pub struct StickerGetRequest {

            

        

            

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    pub sticker_type: StickerType,

            

        

            

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    pub uri: Uri,

            

        

            

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    pub name: String,

            

        

            

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}

            

        

            

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pub type StickerGetResponse = String;

            

        

            

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impl Command for StickerGet {

            

        

            

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    type Request = StickerGetRequest;

            

        

            

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    type Response = StickerGetResponse;

            

        

            

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    const COMMAND: &'static str = "sticker get";

            

        

            

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    fn serialize_request(&self, request: Self::Request) -> String {

            

        

            

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        format!(

            

        

            

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            "{} {} {} {}",

            

        

            

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            Self::COMMAND,

            

        

            

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            request.sticker_type,

            

        

            

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            request.uri,

            

        

            

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            request.name

            

        

            

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        )

            

        

            

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    }

            

        

            

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    fn parse_request(mut parts: RequestTokenizer<'_>) -> RequestParserResult<'_> {

            

        

            

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        let sticker_type = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;

            

        

            

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        let sticker_type = sticker_type

            

        

            

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            .parse()

            

        

            

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            .map_err(|_| RequestParserError::SyntaxError(1, sticker_type.to_owned()))?;

            

        

            

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        let uri = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;

            

        

            

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        let uri = uri

            

        

            

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            .parse()

            

        

            

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            .map_err(|_| RequestParserError::SyntaxError(1, uri.to_owned()))?;

            

        

            

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        let name = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;

            

        

            

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        let name = name

            

        

            

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            .parse()

            

        

            

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            .map_err(|_| RequestParserError::SyntaxError(1, name.to_owned()))?;

            

        

            

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        debug_assert!(parts.next().is_none());

            

        

            

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        Ok((Request::StickerGet(sticker_type, uri, name), ""))

            

        

            

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    }

            

        

            

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    fn parse_response(

            

        

            

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        parts: ResponseAttributes<'_>,

            

        

            

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    ) -> Result<Self::Response, ResponseParserError<'_>> {

            

        

            

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        let parts: Vec<_> = parts.into();

            

        

            

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        let mut parts = parts.into_iter().peekable();

            

        

            

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        let (key, sticker) = get_next_property!(parts, Text);

            

        

            

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        debug_assert!(parts.peek().is_none());

            

        

            

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        debug_assert!(key == "sticker");

            

        

            

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        Ok(sticker.to_string())

            

        

            

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    }

            

        

            

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}