tmux_interface 0.3.2

use crate::commands::constants::*;
use crate::TmuxCommand;
use std::borrow::Cow;

/// # Manual
///
/// tmux ^1.6
/// ```text
/// send-prefix [-2] [-t target-pane]
/// ```
///
/// tmux ^0.8:
/// ```text
/// send-prefix [-t target-pane]
/// ```
#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Default)]
pub struct SendPrefix<'a> {
    /// `[-2]`
    #[cfg(feature = "tmux_1_6")]
    pub secondary: bool,

    /// `[-t target-pane]`
    #[cfg(feature = "tmux_0_8")]
    pub target_pane: Option<Cow<'a, str>>,
}

impl<'a> SendPrefix<'a> {
    pub fn new() -> Self {
        Default::default()
    }

    /// `[-2]`
    #[cfg(feature = "tmux_1_6")]
    pub fn secondary(mut self) -> Self {
        self.secondary = true;
        self
    }

    /// `[-t target-pane]`
    #[cfg(feature = "tmux_0_8")]
    pub fn target_pane<S: Into<Cow<'a, str>>>(mut self, target_pane: S) -> Self {
        self.target_pane = Some(target_pane.into());
        self
    }

    pub fn build(self) -> TmuxCommand<'a> {
        let mut cmd = TmuxCommand::new();

        cmd.name(SEND_PREFIX);

        // `[-2]`
        #[cfg(feature = "tmux_1_6")]
        if self.secondary {
            cmd.push_flag(_2_KEY);
        }

        // `[-t target-pane]`
        #[cfg(feature = "tmux_0_8")]
        if let Some(target_pane) = self.target_pane {
            cmd.push_option(T_LOWERCASE_KEY, target_pane);
        }

        cmd
    }
}