//
//  SklvConstraints
//
//  Copyright (c) 2021-Present Andrew Sokolov (sklv.org)
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//  SOFTWARE.

import UIKit

// Return Constraint

extension UIView {
    
    @discardableResult
    public func centerXAnchor(_ value: CGFloat, of view: UIView, priority: UILayoutPriority = .required) -> NSLayoutConstraint {
        centerXAnchor.constraint(equalTo: view.centerXAnchor, constant: value).activate(with: priority)
    }
    
    @discardableResult
    public func centerXAnchor(max value: CGFloat, of view: UIView, priority: UILayoutPriority = .required) -> NSLayoutConstraint {
        if value < 0 {
            return centerXAnchor.constraint(greaterThanOrEqualTo: view.centerXAnchor, constant: value).activate(with: priority)
        } else {
            return centerXAnchor.constraint(lessThanOrEqualTo: view.centerXAnchor, constant: value).activate(with: priority)
        }
    }
    
    @discardableResult
    public func centerXAnchor(min value: CGFloat, of view: UIView, priority: UILayoutPriority = .required) -> NSLayoutConstraint {
        if value < 0 {
            return centerXAnchor.constraint(lessThanOrEqualTo: view.centerXAnchor, constant: value).activate(with: priority)
        } else {
            return centerXAnchor.constraint(greaterThanOrEqualTo: view.centerXAnchor, constant: value).activate(with: priority)
        }
    }
    
    // Superview
    
    @discardableResult
    public func centerXAnchor(_ value: CGFloat, priority: UILayoutPriority = .required) -> NSLayoutConstraint? {
        guard let view = superview else { return nil }
        return centerXAnchor(value, of: view, priority: priority)
    }
    
    @discardableResult
    public func centerXAnchor(max value: CGFloat, priority: UILayoutPriority = .required) -> NSLayoutConstraint? {
        guard let view = superview else { return nil }
        return centerXAnchor(max: value, of: view, priority: priority)
    }
    
    @discardableResult
    public func centerXAnchor(min value: CGFloat, priority: UILayoutPriority = .required) -> NSLayoutConstraint? {
        guard let view = superview else { return nil }
        return centerXAnchor(min: value, of: view, priority: priority)
    }
    
}

// Return View

extension UIView {
    
    @discardableResult
    public func centerX(_ value: CGFloat, of view: UIView, priority: UILayoutPriority = .required) -> UIView {
        centerXAnchor(value, of: view, priority: priority)
        return self
    }
    
    @discardableResult
    public func centerX(max value: CGFloat, of view: UIView, priority: UILayoutPriority = .required) -> UIView {
        centerXAnchor(max: value, of: view, priority: priority)
        return self
    }
    
    @discardableResult
    public func centerX(min value: CGFloat, of view: UIView, priority: UILayoutPriority = .required) -> UIView {
        centerXAnchor(min: value, of: view, priority: priority)
        return self
    }
    
    // Superview
    
    @discardableResult
    public func centerX(_ value: CGFloat, priority: UILayoutPriority = .required) -> UIView {
        centerXAnchor(value, priority: priority)
        return self
    }
    
    @discardableResult
    public func centerX(max value: CGFloat, priority: UILayoutPriority = .required) -> UIView {
        centerXAnchor(max: value, priority: priority)
        return self
    }
    
    @discardableResult
    public func centerX(min value: CGFloat, priority: UILayoutPriority = .required) -> UIView {
        centerXAnchor(min: value, priority: priority)
        return self
    }
    
}
