import java.util.ArrayList;
import java.util.Scanner;

public class AssetCollection {

	static ArrayList<Asset> assetList = new ArrayList<Asset>();
	static int numOfAssets;
	static Asset Asset = new Asset();

	/*
	 * Method requests input for information to be stored into the ArrayList.
	 */
	public static void addAsset() {

		String assetName;
		String assetType;
		int count = 0;
		double assetNum = -1;

		Scanner Scan = new Scanner(System.in);

		do {
			System.out.println("How many assets would you like to add?");
		    while (!Scan.hasNextInt()) {
		        System.out.println("You must enter a number.");
		        Scan.next(); // this is important!
		    }
		    count = Scan.nextInt();
		} while(count <= 0);

		Scan.nextLine();

		/*
		 * Populates an arraylist with Asset objects. Fields are populated, then the object is added to the assetList.
		 */
		for(int i = 0; i < count; i++)  {
			System.out.println("Enter asset name.");
			assetName = Scan.nextLine();
			System.out.println("Enter asset type.");
			assetType = Scan.nextLine();
			System.out.println("Enter a number between 0 and 1 for the asset's value.");
			assetNum = Scan.nextDouble();
			Scan.nextLine();
			assetList.add(new Asset(assetName, assetType, assetNum));

		}
	}

	/*
	 * Method that outputs the contents of the assetList arraylist.
	 */
	public static void listAssets() {
		System.out.println(assetList);

	}

	/*
	 * Method searches based upon the Asset's name and removes it from the arrayList based on its determined Index.
	 */
	public static void deleteAsset() {
		Scanner Scan = new Scanner(System.in);
		System.out.println("Enter the name of the asset you wish to remove.");
		String assetToRemove = Scan.nextLine();
		boolean found = false;

		/*
		 * Loop cycles through indexes of assetList in order to
		 * check if the provided input matches any Asset.
		 * If the object with input name exists, it is removed,
		 * else the loop stops.
		 */
		for(int i = 0; i < assetList.size(); i++) {
			/*
			 * Current index of assetList is retrieved in order to gain access to field of object in respective index.
			 */
			Asset = assetList.get(i);
			/*
			 * Comparison between the input and current index's asset name.
			 * If found, it is removed, else the loop stops.
			 */
			if(assetToRemove.equals(Asset.getName())) {
				assetList.remove(i);
				System.out.println("Asset " + assetToRemove + " has been removed. \n");
				found = true;
			}
		}

		if(!found) {
			System.out.println("No assets with the provided name were found. \n");
		}

	}

	/*
	 * This method uses a loop to compare each "AssetNum" field of each object.
	 * It does so to the size of the arraylist, and once a value is determined,
	 * its corresponding "name" is formatted to the output.
	 */
	public static void mostValuedAsset() {
		double highest = 0;
		String mostValuable = "";
        for(int i = 0; i < assetList.size(); i++){
            Asset x = (Asset)assetList.get(i);
            if(x.getAssetNum() > highest)
            		highest = x.getAssetNum();
            		mostValuable = x.getName();
            		System.out.println(mostValuable);
        }
        System.out.println("The most valuable asset is: " + mostValuable);
	}


	/*
	 * Simple use of the size() method to determine the arraylist's size.
	 */
	public static void numAssets() {
		int sizeOfList = assetList.size();
		System.out.println("Total number of assets: " + sizeOfList);
	}

}