Exercise 23 - Array Methods 4

let battles = [
     {
         name : "Battle of Gaugamela",
         date :  new Date('Oct 1, 331'),
         cat : "BC",
         eventType : "BATTLE",
         location : "Iraq",
         war : "Alexander the Great - Conquest of the Persian Empire",
         victor   : "Alexander the Great",
         territorialChange : "Alexander gains Babylon, half of Persia and all other parts of Mesopotamia.",
         description : "The Battle of Gaugamela, was the decisive battle of Alexander the Great's invasion of the Persian Achaemenid Empire. In 331 BC Alexander's army of the Hellenic League met the Persian army of Darius III near Gaugamela, close to the modern city of Dohuk in Iraqi Kurdistan. Though heavily outnumbered, Alexander emerged victorious due to his army's superior tactics and his deft employment of light infantry. It was a decisive victory for the Hellenic League and led to the fall of the Achaemenid Empire.",
         belligerents : [
              {
                  commander : "Alexander the Great",
                  nation : "Macedonia",
                  generals : [
                     "Hephaestion", "Ptolemy", "Parmenion", "Cleitus"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY", amount : 31000},
                     { type : "LIGHT_INFANTRY", amount : 9000},
                     { type : "HEAVY_CAVALRY" , amount : 7000}
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 300},
                     { type : "HEAVY_CAVALRY",  amount : 1000}
                  ]
              }, {
                  commander : "Darius III",
                  nation : "Achaemenid Empire",
                  generals : [
                     "Bessus", "Mazaeus", "Atropates"
                  ],
                  composition : [
                     { type : "LIGHT_INFANTRY", amount : 50000},
                     { type : "CAVALRY",  amount : 20000},
                     { type : "HEAVY_INFANTRY", amount : 10000},
                     { type : "MERCENARIES",    amount : 10000},
                     { type : "HEAVY_CAVALRY",  amount : 2000},
                     { type : "ARCHER",   amount : 1500},
                     { type : "CHARIOTS", amount : 200},
                     { type : "BEASTS",   amount : 15}
                  ],
                  losses : [
                     { type : "LIGHT_INFANTRY", amount : 30000},
                     { type : "MERCENARIES", amount : 10000},
                     { type : "CHARIOTS", amount : 120},
                     { type : "BEASTS", amount : 15 }
                  ]
              }
         ]
     },  {
         name : "Battle of the Granicus River",
         date :  new Date('May 12, 334'),
         cat : "BC",
         eventType : "BATTLE",
         location : "Turkey",
         war : "Alexander the Great - Conquest of the Persian Empire",
         victor   : "Alexander the Great",
         territorialChange : "Alexander attains half of Asia Minor",
         description : "The Battle of the Granicus River in May 334 BC was the first of three major battles fought between Alexander the Great and the Persian Empire. Fought in northwestern Asia Minor, near the site of Troy, it was here that Alexander defeated the forces of the Persian satraps of Asia Minor, including a large force of Greek mercenaries led by Memnon of Rhodes.",
         belligerents : [
              {
                  commander : "Alexander the Great",
                  nation : "Macedonia",
                  generals : [
                     "Hephaestion", "Ptolemy", "Parmenion", "Cleitus"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY", amount : 31000},
                     { type : "LIGHT_INFANTRY", amount : 9000},
                     { type : "HEAVY_CAVALRY" , amount : 7000}
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 100},
                     { type : "HEAVY_CAVALRY",  amount : 1000}
                  ]
              }, {
                  commander : "Darius III",
                  nation : "Achaemenid Empire",
                  generals : [
                     "Bessus", "Mazaeus", "Atropates"
                  ],
                  composition : [
                     { type : "CAVALRY",     amount : 20000},
                     { type : "MERCENARIES", amount : 30000},
                     { type : "ARCHER",      amount : 1500}

                  ],
                  losses : [
                     { type : "MERCENARIES", amount : 30000},
                     { type : "CAVALRY", amount : 10000}
                  ]
              }
         ]
     }, {
         name : "Battle of Issus",
         date :  new Date('Nov 5, 333'),
         cat : "BC",
         eventType : "BATTLE",
         location : "Turkey",
         war : "Alexander the Great - Conquest of the Persian Empire",
         victor   : "Alexander the Great",
         territorialChange : "Alexander controls southern Asia Minor",
         description : "The Battle of Issus occurred in southern Anatolia, on November 5, 333 BC between the Hellenic League led by Alexander the Great and the Achaemenid Empire, led by Darius III, in the second great battle of Alexander's conquest of Asia. The invading Macedonian troops defeated Persia. After the Hellenic League soundly defeated the Persian satraps of Asia Minor (led by Greek mercenary Memnon of Rhodes) at the Battle of the Granicus, Darius took personal command of his army. ",
         belligerents : [
              {
                  commander : "Alexander the Great",
                  nation : "Macedonia",
                  generals : [
                     "Hephaestion", "Ptolemy", "Parmenion", "Cleitus"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY", amount : 31000},
                     { type : "LIGHT_INFANTRY", amount : 9000},
                     { type : "HEAVY_CAVALRY" , amount : 7000}
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 100},
                     { type : "HEAVY_CAVALRY",  amount : 1000}
                  ]
              }, {
                  commander : "Darius III",
                  nation : "Achaemenid Empire",
                  generals : [
                     "Bessus", "Mazaeus", "Atropates"
                  ],
                  composition : [
                     { type : "CAVALRY",     amount : 20000},
                     { type : "MERCENARIES", amount : 30000},
                     { type : "ARCHER",      amount : 1500}

                  ],
                  losses : [
                     { type : "MERCENARIES", amount : 30000},
                     { type : "CAVALRY", amount : 10000}
                  ]
              }
         ]
     }, {
         name : "Battle of Myeongnyang",
         date :  new Date('Oct 26, 1597'),
         cat : "AC",
         eventType : "BATTLE",
         location : "Korea",
         war : "Imjin War",
         victor   : "Yi Sun-sin",
         territorialChange : "Decisive Joseon victory",
         description : "In the Battle of Myeongnyang, the Korean Joseon Kingdom's navy, led by Admiral Yi Sun-sin, fought the Japanese navy in the Myeongnyang Strait, near Jindo Island, off the southwest corner of the Korean peninsula.  With only 13 ships remaining from Admiral Won Gyun's disastrous defeat at the Battle of Chilchonryang, Admiral Yi held the strait as a last stand battle against the Japanese navy, who were sailing to support their land army's advance towards the Joseon capital of Hanyang.",
         belligerents : [
              {
                  commander : "Yi Sun-sin",
                  nation : "Joseon",
                  generals : [
                     "Yi Sun-sin", "Kim Eok-chu", "Bae Heung-rip"
                  ],
                  composition : [
                     { type : "WARSHIP", amount : 13}
                  ],
                  losses : [
                     { type : "WARSHIP", amount : 1}
                  ]
              }, {
                  commander : "Todo Takatora",
                  nation : "Japan",
                  generals : [
                     "Katō Yoshiaki", "Wakizaka Yasuharu", "Kan Michinaga"
                  ],
                  composition : [
                     { type : "WARSHIP", amount : 130},
                     { type : "SHIP",    amount : 200}
                  ],
                  losses : [
                     { type : "WARSHIP", amount : 30},
                     { type : "SHIP", amount : 65}
                  ]
              }
         ]
     }, {
         name : "Siege of Vienna I",
         date :  new Date('Oct 15, 1529'),
         cat : "AC",
         eventType : "SIEGE",
         location : "Austria - Holy Roman Empire",
         war : "Siege of Vienna",
         victor   : "Holy Roman Empire",
         territorialChange : "Successful Habsburg defense, Ottoman army forced to withdraw",
         description : "The Siege of Vienna, in 1529, was the first attempt by the Ottoman Empire to capture the city of Vienna, Austria. Suleiman the Magnificent, sultan of the Ottomans, attacked the city with over 100,000 men, while the defenders, led by Niklas Graf Salm, numbered no more than 21,000. Nevertheless, Vienna was able to survive the siege, which ultimately lasted just over two weeks, from 27 September to 15 October 1529. ",
         belligerents : [
              {
                  commander : "Niklas Graf Salm",
                  nation : "Holy Roman Empire",
                  generals : [
                     "Wilhelm von Roggendorf"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY",  amount : 3000},
                     { type : "LIGHT_INFANTRY",  amount : 10000},
                     { type : "ARQUEBUSES",      amount : 10000},
                     { type : "HEAVY_ARTILLERY", amount : 50}
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY",  amount : 300},
                     { type : "LIGHT_INFANTRY",  amount : 1000},
                     { type : "ARQUEBUSES",  amount : 1000}
                  ]
              }, {
                  commander : "Suleiman the Magnificent",
                  nation : "Ottoman Empire",
                  generals : [
                     "Pargalı Ibrahim Pasha"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY", amount : 20000},
                     { type : "LIGHT_INFANTRY", amount : 60000},
                     { type : "ARQUEBUSES", amount : 30000},
                     { type : "ARTILLERY",  amount : 100}
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 2000},
                     { type : "LIGHT_INFANTRY", amount : 6000},
                     { type : "ARQUEBUSES", amount : 5000}
                  ]
              }
         ]
     }, {
         name : "Siege of Vienna II",
         date :  new Date('Sept 12, 1683'),
         cat : "AC",
         eventType : "SIEGE",
         location : "Austria",
         war : "Siege of Vienna",
         victor   : "John III. Sobieski",
         territorialChange : "Successful Habsburg defense, Ottoman army destroyed",
         description : "Die Zweite Wiener Türkenbelagerung oder Zweite Wiener Osmanenbelagerung[5][6] im Jahr 1683 war – wie die Erste von 1529 – ein erfolgloser Versuch des Osmanischen Reichs, Wien einzunehmen. Sie dauerte vom 14. Juli bis zum 12. September, als ein von Polens König Johann III. Sobieski befehligtes Entsatzheer die osmanische Armee des Großwesirs Kara Mustafa Pascha in der Schlacht am Kahlenberg zum Rückzug zwang.",
         belligerents : [
              {
                  commander : "Johann III. Sobieski",
                  nation : "Poland",
                  generals : [
                     "Ernst Rüdiger von Starhemberg", "Karl V. von Lothringen"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY",  amount : 10000 },
                     { type : "ARQUEBUSES",      amount : 20000 },
                     { type : "HEAVY_ARTILLERY", amount : 150 },
                     { type : "HEAVY_CAVALRY",   amount : 60000}
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 7000 },
                     { type : "ARQUEBUSES",     amount : 7000 },
                     { type : "HEAVY_CAVALRY",  amount : 1000 }
                  ]
              }, {
                  commander : "Kara Mustafa Pascha",
                  nation : "Ottoman Empire",
                  generals : [],
                  composition : [
                     { type : "HEAVY_INFANTRY", amount : 40000},
                     { type : "ARQUEBUSES",     amount : 50000},
                     { type : "CAVALRY", amount : 8000 },
                     { type : "LIGHT_INFANTRY", amount : 30000 }

                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 20000},
                     { type : "ARQUEBUSES",     amount : 30000 },
                     { type : "LIGHT_INFANTRY", amount : 1000 }
                  ]
              }
         ]
     }, {
         name : "Battle of Agincourt",
         date :  new Date('Oct 25, 1415'),
         cat : "AC",
         eventType : "BATTLE",
         location : "France",
         war : "Hundred Years War",
         victor   : "King Henry V",
         territorialChange : "English victory",
         description : "The Battle of Agincourt was an English victory in the Hundred Years War. It took place on 25 October 1415 in northern France. The unexpected English victory against the numerically superior French army boosted English morale and prestige, crippled France and started a new period of English dominance in the war. ",
         belligerents : [
              {
                  commander : "King Henry V",
                  nation : "Kingdom of England",
                  generals : [
                     "Sir Thomas Camoys", "Sir Thomas Erpingham"
                  ],
                  composition : [
                     { type : "ARCHER",         amount : 6000},
                     { type : "HEAVY_INFANTRY", amount : 2000}
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY",  amount : 600}
                  ]
              }, {
                  commander : "Charles d'Albret",
                  nation : "Kingdom of France",
                  generals : [
                     "Duke of Bourbon", "Duke of Orleans"
                  ],
                  composition : [
                     { type : "ARCHER"        , amount : 6000},
                     { type : "HEAVY_INFANTRY", amount : 15000},
                     { type : "HEAVY_CAVALRY",  amount : 10000}

                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 10000 },
                     { type : "HEAVY_CAVALRY",  amount : 8000},
                     { type : "ARCHER", amount : 5000 }
                  ]
              }
         ]
     }, {
         name : "Battle of Midway",
         date :  new Date('Dec 7, 1942'),
         cat : "AC",
         eventType : "BATTLE",
         location : "Midway Islands",
         war : "World War II",
         victor   : "Chester W. Nimitz",
         territorialChange : "",
         description : "The Battle of Midway was a major naval battle in the Pacific Theater of World War II that took place on 4–7 June 1942, six months after Japan’s attack on Pearl Harbor and one month after the Battle of the Coral Sea. The U.S. Navy under Admirals Chester W. Nimitz, Frank J. Fletcher, and Raymond A. Spruance defeated an attacking fleet of the Imperial Japanese Navy under Admirals Isoroku Yamamoto, Chūichi Nagumo, and Nobutake Kondō near Midway Atoll, inflicting devastating damage on the Japanese fleet that rendered their aircraft carriers irreparable.",
         belligerents : [
              {
                  commander : "Chester W. Nimitz",
                  nation : "U.S.",
                  generals : [
                     "Frank Jack Fletcher", "Raymond A. Spruance"
                  ],
                  composition : [
                     { type : "AIRCRAFT_CARRIER", amount : 3},
                     { type : "HEAVY_CRUISERS", amount : 7  },
                     { type : "DESTROYER",      amount : 15 },
                     { type : "AIRCRAFT",       amount : 233},
                     { type : "SUBMARINE",      amount : 16 }
                  ],
                  losses : [
                     { type : "AIRCRAFT_CARRIER", amount : 1 },
                     { type : "AIRCRAFT",  amount : 150 },
                     { type : "DESTROYER", amount : 1 }
                  ]
              }, {
                  commander : "Isoroku Yamamoto",
                  nation : "Japan",
                  generals : [
                     "Nobutake Kondo", "Chuichi Nagumo"
                  ],
                  composition : [
                     { type : "AIRCRAFT_CARRIER", amount : 4},
                     { type : "BATTLE_SHIP",      amount : 2},
                     { type : "HEAVY_CRUISERS", amount : 2 },
                     { type : "AIRCRAFT",       amount : 248}
                  ],
                  losses : [
                     { type : "AIRCRAFT_CARRIER", amount : 4 },
                     { type : "HEAVY_CRUISERS", amount : 1 },
                     { type : "AIRCRAFT", amount : 248 }
                  ]
              }
         ]
     }, {
         name : "Battle of Kursk",
         date :  new Date('Aug 23, 1943'),
         cat : "AC",
         eventType : "BATTLE",
         location : "Russia",
         war : "World War II",
         victor   : "Georgy Zhukov",
         territorialChange : "Soviets regain territory along a 2,000 km wide front after the battle",
         description : "The Battle of Kursk was a Second World War engagement between German and Soviet forces on the Eastern Front near Kursk (450 kilometres or 280 miles south-west of Moscow) in the Soviet Union, during July and August 1943.",
         belligerents : [
              {
                  commander : "Georgy Zhukov",
                  nation : "Russia",
                  generals : [
                     "Konstantin Rokossovsky", "Nikolai Vatutin", "Ivan Konev", "Pavel Rotmistrov", "Sergei Rudenko"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY", amount : 2000000 },
                     { type : "TANKS", amount : 5128 },
                     { type : "GUNS" , amount : 25000 },
                     { type : "AIRCRAFT",  amount : 3500 }
                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 400000 },
                     { type : "TANKS",    amount : 3000 },
                     { type : "AIRCRAFT", amount : 2000},
                     { type : "GUNS", amount : 2300}
                  ]
              }, {
                  commander : "Erich von Manstein",
                  nation : "Germany",
                  generals : [
                     "Günther von Kluge", "Walter Model", "Robert Ritter von Greim"
                  ],
                  composition : [
                     { type : "HEAVY_INFANTRY", amount : 780000},
                     { type : "TANKS", amount : 3000},
                     { type : "GUNS",  amount : 10000 },
                     { type : "AIRCRAFT", amount : 2200}

                  ],
                  losses : [
                     { type : "HEAVY_INFANTRY", amount : 55000 },
                     { type : "TANKS", amount : 300},
                     { type : "GUNS", amount : 2000 },
                     { type : "AIRCRAFT", amount : 200 }
                  ]
              }
         ]
     }
];


// -- ---------------------------------------------------------------------------- --
// -- 1.) Beispiel
// -- ---------------------------------------------------------------------------- --
// Transformienren Sie die battle Daten in folgende Form:

// @troopAmount:
/*
    composition : [
        { type : "AIRCRAFT_CARRIER", amount : 3)},
        { type : "HEAVY_CRUISERS", amount : 7)  },
        { type : "DESTROYER",      amount : 15) },
        { type : "AIRCRAFT",       amount : 233)},
        { type : "SUBMARINE",      amount : 16) }
    ]

    weight : AIRCRAFT_CARRIER * 1500
             BATTLE_SHIP      * 1000
             HEAVY_CRUISERS   * 500
             DESTROYER        * 200
             AIRCRAFT         * 1
             SUBMARINE        * 100
             HEAVY_INFANTRY   * 1
             LIGHT_INFANTRY   * 1
             HEAVY_CAVALRY    * 1
             ARCHER           * 1
             CHARIOTS         * 3
             BEASTS           * 5
             MERCENARIES      * 1
             ARQUEBUSES       * 5
             ARTILLERY        * 10
             TANKS            * 5



    calculate: 3 * 1500 + 7 * 500  + 15 * 200 + 233 * 1 + 16 * 100
*/

console.log("-- ---------------------------------------------------------------------- --")
console.log("-- 1.Beispiel")
console.log("-- ---------------------------------------------------------------------- --")


let battleReport = {
    name : "Battle of Midway",
    eventType: "BATTLE",
    vicotr : "Chester W. Nimitz",
    belligerents : [
        {
            commander : "Chester W. Nimitz",
            troopTypes : ["AIRCRAFT_CARRIER","HEAVY_CRUISERS","DESTROYER","AIRCRAFT","SUBMARINE"],
            troopAmount : 12833
        }, {
            commander : "",
            troopTypes : ["AIRCRAFT_CARRIER","BATTLE_SHIP","HEAVY_CRUISERS","AIRCRAFT"],
            troopAmount : 8000
        }

    ]
}


console.log("\n");

// -- ---------------------------------------------------------------------------- --
// -- 2.) Beispiel
// -- ---------------------------------------------------------------------------- --
// Sammeln Sie alle Commander in einem Array

// Lösung :

/*
    let commanders = [
        "Alexander the Great", "Darius III", "Yi Sun-sin", "Todo Takatora", "Niklas Graf Salm",
        "Suleiman the Magnificent", "Johann III. Sobieski", "Kara Mustafa Pascha","King Henry V",
        "Charles d'Albret", "Chester W. Nimitz", "Isoroku Yamamoto", "Georgy Zhukov","Erich von Manstein"
    ]
*/

console.log("-- ---------------------------------------------------------------------- --")
console.log("-- 2.Beispiel")
console.log("-- ---------------------------------------------------------------------- --")

// Hinweis: Mappen Sie im ersten Schritt battles auf folgende Form:
/*
    let battleReport = {
        belligerents : ["Alexander the Great","Darius III"]
    }
*/


// Hinweis: Reduzieren Sie die Daten in folgende Form:
/*
  let battles = ["Alexander the Great","Darius III", "Alexander the Great","Darius III","Alexander the Great","Darius III", ...]
*/


// Hinweis: Reduziern Sie im letzten Schritt das Array so dass jeder Eintrag nur einmal vorkommt.



console.log("\n");

// -- ---------------------------------------------------------------------------- --
// -- 3.) Beispiel
// -- ---------------------------------------------------------------------------- --
// Filtern Sie das commanders Array aus dem 2 Beispiel. Es sollen nur jene Commander
// bestehen bleiben die eine Schlacht gewonnen haben.


console.log("-- ---------------------------------------------------------------------- --")
console.log("-- 3.Beispiel")
console.log("-- ---------------------------------------------------------------------- --")

// Hinweis: Mappen Sie die Battle Objekte auf den Victor
// Hinweis: Reduzieren Sie die Victor Objekte auf den Namen des Victors.
// Hinweis: Verwenden Sie das neu berechnete Victor Array um die commanders
// zu filtern.



console.log("\n");