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use serde::{Deserialize, Serialize};

use crate::types::True;

/// Upon receiving a message with this object, Telegram clients will display a
/// reply interface to the user (act as if the user has selected the bot‘s
/// message and tapped ’Reply').
///
/// This can be extremely useful if you want to create user-friendly
/// step-by-step interfaces without having to sacrifice [privacy mode].
///
/// [The official docs](https://core.telegram.org/bots/api#forcereply).
///
/// [privacy mode]: https://core.telegram.org/bots#privacy-mode
#[serde_with_macros::skip_serializing_none]
#[derive(Clone, Default, Debug, Eq, Hash, PartialEq, Serialize, Deserialize)]
pub struct ForceReply {
    /// Shows reply interface to the user, as if they manually selected the
    /// bot‘s message and tapped ’Reply'.
    pub force_reply: True,

    /// The placeholder to be shown in the input field when the reply is active;
    /// 1-64 characters.
    pub input_field_placeholder: Option<String>,

    /// Use this parameter if you want to force reply from specific users only.
    /// Targets: 1) users that are `@mentioned` in the text of the
    /// [`Message`] object; 2) if the bot's message is a reply
    /// (has reply_to_message_id), sender of the original message.
    ///
    /// [`Message`]: crate::types::Message
    pub selective: Option<bool>,
}

impl ForceReply {
    pub const fn new() -> Self {
        Self {
            force_reply: True,
            input_field_placeholder: None,
            selective: None,
        }
    }

    pub fn input_field_placeholder<T>(mut self, val: T) -> Self
    where
        T: Into<Option<String>>,
    {
        self.input_field_placeholder = val.into();
        self
    }

    pub const fn selective(mut self, val: bool) -> Self {
        self.selective = Some(val);
        self
    }
}