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// ============================================================================
// Copyright (c) 2017-2019 Nawapunth Manusitthipol (NawaMan - http://nawaman.net).
// ----------------------------------------------------------------------------
// MIT License
// 
// 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.
// ============================================================================
package functionalj.tuple;

import java.util.Map;

import lombok.val;

@SuppressWarnings("javadoc")
public class ImmutableTuple {
    
    private ImmutableTuple() {}
    
    
    public static  ImmutableTuple2 of(T1 _1, T2 _2) {
        return new ImmutableTuple2<>(_1, _2);
    }
    
    public static  ImmutableTuple2 of(Map.Entry entry) {
        if (entry == null)
            return new ImmutableTuple2<>(null, null);
        
        return new ImmutableTuple2<>(entry);
    }
    
    public static  ImmutableTuple3 of(T1 _1, T2 _2, T3 _3) {
        return new ImmutableTuple3<>(_1, _2, _3);
    }
    
    public static  ImmutableTuple4 of(T1 _1, T2 _2, T3 _3, T4 _4) {
        return new ImmutableTuple4<>(_1, _2, _3, _4);
    }
    
    public static  ImmutableTuple5 of(T1 _1, T2 _2, T3 _3, T4 _4, T5 _5) {
        return new ImmutableTuple5<>(_1, _2, _3, _4, _5);
    }
    
    public static  ImmutableTuple6 of(T1 _1, T2 _2, T3 _3, T4 _4, T5 _5, T6 _6) {
        return new ImmutableTuple6<>(_1, _2, _3, _4, _5, _6);
    }
    
    
    
    public static  ImmutableTuple2 of(Tuple2 tuple) {
        if (tuple instanceof ImmutableTuple2)
            return (ImmutableTuple2)tuple;
        
        if (tuple == null)
            return new ImmutableTuple2<>(null, null);
        
        val _1 = tuple._1();
        val _2 = tuple._2();
        return new ImmutableTuple2<>(_1, _2);
    }

    public static  ImmutableTuple3 of(Tuple3 tuple) {
        if (tuple instanceof ImmutableTuple3)
            return (ImmutableTuple3)tuple;
        
        if (tuple == null)
            return new ImmutableTuple3<>(null, null, null);
        
        val _1 = tuple._1();
        val _2 = tuple._2();
        val _3 = tuple._3();
        return new ImmutableTuple3<>(_1, _2, _3);
    }

    public static  ImmutableTuple4 of(Tuple4 tuple) {
        if (tuple instanceof ImmutableTuple4)
            return (ImmutableTuple4)tuple;
        
        if (tuple == null)
            return new ImmutableTuple4<>(null, null, null, null);
        
        val _1 = tuple._1();
        val _2 = tuple._2();
        val _3 = tuple._3();
        val _4 = tuple._4();
        return new ImmutableTuple4<>(_1, _2, _3, _4);
    }

    public static  ImmutableTuple5 of(Tuple5 tuple) {
        if (tuple instanceof ImmutableTuple5)
            return (ImmutableTuple5)tuple;
        
        if (tuple == null)
            return new ImmutableTuple5<>(null, null, null, null, null);
        
        val _1 = tuple._1();
        val _2 = tuple._2();
        val _3 = tuple._3();
        val _4 = tuple._4();
        val _5 = tuple._5();
        return new ImmutableTuple5<>(_1, _2, _3, _4, _5);
    }

    public static  ImmutableTuple6 of(Tuple6 tuple) {
        if (tuple instanceof ImmutableTuple6)
            return (ImmutableTuple6)tuple;
        
        if (tuple == null)
            return new ImmutableTuple6<>(null, null, null, null, null, null);
        
        val _1 = tuple._1();
        val _2 = tuple._2();
        val _3 = tuple._3();
        val _4 = tuple._4();
        val _5 = tuple._5();
        val _6 = tuple._6();
        return new ImmutableTuple6<>(_1, _2, _3, _4, _5, _6);
    }
    
}