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use winapi::um::wincon::COORD;
use std::fmt::Display;
use winapi::_core::fmt::{Formatter, Error};

/// Represents a `COORD` which is the position of the characters cell in the console screen buffer,
/// which origin is (0,0).
///
/// link: `https://docs.microsoft.com/en-us/windows/console/coord-str`
#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, PartialOrd, Hash)]
pub struct Coord {
    /// x axis position
    pub x: i16,
    /// y axis position
    pub y: i16,
}

impl Coord {
    /// A default value coord, where x and y are zero.
    pub const ZERO: Coord = Coord { x: 0, y: 0 };

    /// Create a new size instance with the given x and y.
    #[inline]
    pub fn new(x: i16, y: i16) -> Coord {
        Coord { x, y }
    }

    /// Gets this `Coord` with a new `x` value.
    #[inline]
    pub fn with_x(&self, x: i16) -> Coord{
        Coord{
            x,
            y: self.y
        }
    }

    /// Gets this `Coord` with a new `y` value.
    #[inline]
    pub fn with_y(&self, y: i16) -> Coord{
        Coord{
            x: self.x,
            y
        }
    }
}

impl Display for Coord{
    #[inline]
    fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error> {
        f.write_fmt(format_args!("({}, {})", self.x, self.y))
    }
}

impl From<COORD> for Coord {
    #[inline]
    fn from(coord: COORD) -> Self {
        Coord::new(coord.X, coord.Y)
    }
}

impl Into<COORD> for Coord {
    #[inline]
    fn into(self) -> COORD {
        COORD {
            X: self.x,
            Y: self.y,
        }
    }
}