// Copyright (c) 2022, OpenEmu Team
//
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//       notice, this list of conditions and the following disclaimer.
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//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
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//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY OpenEmu Team ''AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL OpenEmu Team BE LIABLE FOR ANY
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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import Foundation

public enum StringAlignment {
    case left, center, right
}

extension String {
    public func aligned(to align: StringAlignment, width: Int, pad: Character = " ") -> String {
        let count = count
        if count > width {
            return self
        }
        var res = ""
        switch align {
        case .left:
            res.append(self)
            res.append(String(repeating: pad, count: width - count))
        case .center:
            res.append(String(repeating: pad, count: (width - count)/2))
            res.append(self)
            res.append(String(repeating: pad, count: (width - count)/2))
        case .right:
            res.append(String(repeating: pad, count: width - count))
            res.append(self)
        }
        return res
    }
}