//
//  Convert.swift
//  HCQuanfangtong
//
//  Created by Apple on 2021/12/24.
//  Copyright © 2021 Jyp. All rights reserved.
//

import Foundation

/// 数据转换
/// 任意类型转 Int，Double, Float, CGFloat, String
class Convert{
    static func toInt(_ object: Any?) -> Int?{
        if object is Int{
            if let middle = object as? Int{
                return middle
            }
        }
        else if object is Double{
            if let middle = object as? Double{
                return Int.init(middle)
            }
        }
        else if object is Float{
            if let middle = object as? Float{
                return Int.init(middle)
            }
        }
        else if object is String{
            if let middle = object as? String{
                return Int.init(middle)
            }
        }
        return nil
    }
    
    static func toDouble(_ object: Any?) -> Double?{
        if object is Double{
            if let middle = object as? Double{
                return middle
            }
        }
        else if object is Float{
            if let middle = object as? Float{
                return Double.init(middle)
            }
        }
        else if object is String{
            if let middle = object as? String{
                return Double.init(middle)
            }
        }
        else if object is Int{
            if let middle = object as? Int{
                return Double.init(middle)
            }
        }
        return nil
    }
    
    static func toFloat(_ object: Any?) -> Float?{
        
        if object is Float{
            if let middle = object as? Float{
                return middle
            }
        }
        else if object is Double{
            if let middle = object as? Double{
                return Float.init(middle)
            }
        }
        else if object is Int{
            if let middle = object as? Int{
                return Float.init(middle)
            }
        }
        else if object is String{
            if let middle = object as? String{
                return Float.init(middle)
            }
        }
        
        
        return nil
    }
    
    static func toString(_ object: Any?, decimalNumber: Int? = nil) -> String?{
        
        if object is Int{
            if let middle = object as? Int{
                if decimalNumber.isNil{
                    return String.init(format: "%ld", middle)
                }
                return String.init(format: String.init(format:"%%.%df", decimalNumber!), Convert.toFloat(middle) ?? 0)
            }
        }
        else if object  is Float{
            if let middle = object as? Float{
                if decimalNumber.isNil{
                    return String.init(format: "%f", middle)
                }
                return String.init(format: String.init(format:"%%.%df", decimalNumber!), middle)
            }
        }
        else if object is Double{
            if let middle = object as? Double{
                if decimalNumber.isNil{
                    return String.init(format: "%f", middle)
                }
                return String.init(format: String.init(format:"%%.%df", decimalNumber!), middle)
            }
        }
        
        else if object is String{
            
            if decimalNumber.isNotNil{
                if let middle = Convert.toDouble(object){
                    return String.init(format: String.init(format:"%%.%df", decimalNumber!), middle)
                }
            }
            else{
                return object as? String
            }
            
        }
        return nil
    }
    static func toCGFloat(_ object: Any?) -> CGFloat{
        return CGFloat.init(Convert.toFloat(object) ?? 0)
    }
    
}