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use crate::prelude::{MouseButton, MouseCursor};
/// The InputMouse should be implemented by objects wishing to act as virtual mouse controllers.
///
/// Screen bounds are based on Factory::width & Factory::height.
///
pub trait InputMouse {
/// The horizontal component of the mouse position.
fn x(&self) -> i32;
/// The vertical component of the mouse position.
fn y(&self) -> i32;
/// The horizontal position of the mouse relative to screen width. Range 0...1.
fn relative_x(&self) -> f32;
/// The vertical position of the mouse relative to screen height. Range 0...1.
fn relative_y(&self) -> f32;
/// The horizontal position of the mouse relative to screen width and offset to screen centre. Range -1...1.
fn relative_centralised_x(&self) -> f32;
/// The vertical position of the mouse relative to screen height and offset to screen centre. Range -1...1.
fn relative_centralised_y(&self) -> f32;
/// Returns true if the mouse position is within the bounding rectangle (factory width x factory height).
fn is_within_bounds(&self) -> bool;
/// Returns true if the mouse position is different to the previous update's position.
fn is_moving(&self) -> bool;
/// Get the visibility of the mouse cursor.
fn is_visible(&self) -> bool;
/// Specify the visibility of the mouse cursor.
/// If true the cursor will be displayed, if false the cursor is hidden.
fn set_visible(&self, val: bool);
/// The current scroll position. Starts at 0. Range -infinity...infinity.
fn scroll(&self) -> i32;
/// The current cursor type.
fn cursor(&self) -> MouseCursor;
/// Set the cursor type.
fn set_cursor(&self, val: MouseCursor) -> MouseCursor;
/// The horizontal velocity of the mouse position.
///
/// # Arguments
///
/// * `as_time` - If true then returns the velocity as pixels per second (extrapolated from the previous update),
/// else returns velocity as pixels moved in previous update. (optional, default: true)
///
/// Return: The horizontal velocity of the mouse.
///
fn get_delta_x(&self, as_time: Option<bool>) -> i32;
/// The vertical velocity of the mouse position.
///
/// # Arguments
///
/// * `as_time` - If true then returns the velocity as pixels per second (extrapolated from the previous update),
/// else returns velocity as pixels moved in previous update. (optional, default: true)
///
/// Return: The vertical velocity of the mouse.
///
fn get_delta_y(&self, as_time: Option<bool>) -> i32;
/// The velocity of the mouse.
///
/// # Arguments
///
/// * `as_time` - If true then returns the velocity as pixels per second (extrapolated from the previous update),
/// else returns velocity as pixels moved in previous update. (optional, default: true)
///
/// Return: The velocity of the mouse.
///
fn get_speed(&self, as_time: Option<bool>) -> i32;
/// The velocity of scrolling.
///
/// # Arguments
///
/// * `as_time` - If true then returns the velocity as pixels per second (extrapolated from the previous update),
/// else returns velocity as scroll moved in previous update. (optional, default: true)
///
/// Return: The scroll velocity of the mouse.
///
fn get_delta_scroll(&self, as_time: Option<bool>) -> i32;
/// Determine how long the mouse has been still.
///
/// # Arguments
///
/// * `as_time` - If true then returns duration as milliseconds, else returns duration as frame updates. (optional, default: true)
///
/// Return: Returns the duration the mouse has been still.
///
fn get_still_duration(&self, as_time: Option<bool>) -> i32;
/// Determine if a specific mouse button was clicked twice (within the defined time).
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
/// * `delay` - The time within which the mouse button must be clicked twice. (optional, default: 100)
///
/// Return: Returns true if the mouse button was clicked twice (within the defined time).
///
fn is_button_double_click(&self, kind: Option<MouseButton>, delay: Option<i32>) -> bool;
/// Determine if the mouse is being dragged with a specific mouse button down (for at least the defined delay).
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
/// * `delay` - The time which, if exceeded, assumes the mouse is being dragged. (optional, default: 100)
///
/// Return: Returns true if the mouse button was down for a duration exceeding delay.
///
fn is_button_drag(&self, kind: Option<MouseButton>, delay: Option<i32>) -> bool;
/// Determine if a specific mouse button is currently down.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
///
/// Return: Returns true is the mouse button is currently down, false otherwise.
///
fn is_button_down(&self, kind: Option<MouseButton>) -> bool;
/// Determine if a specific mouse button was pressed in the current update frame.
///
/// # Arguments
///
/// A press is defined as a new down - i.e. was up previous frame, and is down this frame.
/// * `kind` - The mouse button. (optional)
///
/// Return: Returns true is the mouse button was pressed in the current update, false otherwise.
///
fn is_button_press(&self, kind: Option<MouseButton>) -> bool;
/// Determine if a specific mouse button was released in the current update.
/// A release is defined as a new up - i.e. was down previous frame, and is up this frame.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
///
/// Return: Returns true is the mouse button was released in the current update, false otherwise.
///
fn is_button_release(&self, kind: Option<MouseButton>) -> bool;
/// Determine the duration a specific mouse button is down.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
/// * `as_time` - If true then returns duration as milliseconds, else returns duration as frame updates. (optional, default: true)
/// * `is_previous If true then returns the previous duration down (the time held prior to the most recent release). (optional, default: false)
///
/// Return: The duration a specific mouse button is down.
///
fn get_button_down_duration(&self, kind: Option<MouseButton>, as_time: Option<bool>, is_previous: Option<bool>)
-> i32;
/// Determine the duration a specific mouse button is up.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
/// * `as_time` - If true then returns duration as milliseconds, else returns duration as frame updates. (optional, default: true)
/// * `is_previous` - If true then returns the previous duration up (the time unused prior to the most recent press). (optional, default: false)
///
/// Return: The duration a specific mouse button is up.
///
fn get_button_up_duration(&self, kind: Option<MouseButton>, as_time: Option<bool>, is_previous: Option<bool>) -> i32;
/// Determine the horizontal movement of the mouse since a specific mouse button was pressed.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
///
/// Return: The horizontal movement of the mouse.
///
fn get_button_drag_width(&self, kind: Option<MouseButton>) -> i32;
/// Determine the vertical movement of the mouse since a specific mouse button was pressed.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
///
/// Return: The vertical movement of the mouse.
///
fn get_button_drag_height(&self, kind: Option<MouseButton>) -> i32;
/// Determine the horizontal position of the mouse when a specific mouse button was last clicked.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
///
/// Return: The horizontal position of the mouse.
///
fn get_button_last_clicked_x(&self, kind: Option<MouseButton>) -> i32;
/// Determine the vertical position of the mouse when a specific mouse button was last clicked.
///
/// # Arguments
///
/// * `kind` - The mouse button. (optional)
///
/// Return: The vertical position of the mouse.
///
fn get_button_last_clicked_y(&self, kind: Option<MouseButton>) -> i32;
}