public with sharing class WeekFiveHomework {

    public static void soqlPractice () {

        //1. Below is a SOQL query that should be returning the top 5 Accounts in our org based on Annual Revenue.
        //Something's not quite right, can you fix the query?
        List < Account > topFiveAccounts = [SELECT ID, Name, AnnualRevenue FROM Account WHERE AnnualRevenue !=0 AND AnnualRevenue != null ORDER BY AnnualRevenue DESC LIMIT 5];

        system.debug('This should be 5: '+topFiveAccounts.size());


        //2. Here is a query that is missing something.  It compiles, but if you try and run this method in Anonymous
        //you'll get an error when the method tries to use the query results.  Fix it! :)

        List < Contact > contacts = [SELECT FirstName, LastName, MailingState FROM Contact LIMIT 10];

        for (Contact c: contacts) {
            String name = c.FirstName + ' ' + c.LastName;
        }


        //3.  Can you write a SOQL query from scratch that will return the top 10 Accounts in the org, ordered by annual
        //revenue in decending order?  Print your results in the debug log.

        List <Account> accounts = [SELECT Name, AnnualRevenue from Account WHERE AnnualRevenue !=0 AND AnnualRevenue !=null ORDER BY AnnualRevenue DESC LIMIT 10];

        for (Account a: accounts) {
            system.debug(a.Name + ' ' + a.AnnualRevenue);
        }


        //4.  Can you write a SOQL query that will return all opportunities for all accounts in the topFiveAccounts list that we used
        //in Number 1?  (topFiveAccounts) Hint:  If you're stuck, look back a the code in WeekFiveClassExercises, getOpenOppsForHotAccounts method
        //  Print your results in the debug log.

        List <Opportunity> topFiveAcctOpps = [SELECT Name, Amount, AccountID FROM Opportunity WHERE Opportunity.AccountId IN :topFiveAccounts];

        system.debug('These are the Opportunities from the top Accounts: ' + topFiveAcctOpps);

    }

    public static void forTheLoveOfForLoops () {

        //1. Take a look at the list and loop below.  It's commented out since it can't run as is.
        // Can you replace the ?? with the number that makes sense based on the comments?
        // Remove the slashes and compile.
        // Can you add an extra counter variable so that you can print out how many times the loop ran in total?


        //This loop should run 5 times
        Integer count = 0;
        for (Integer i=0; i<5; i++) {
          system.debug('i is now: '+i + 'for it ran 5 times');
        }


        //2.  Below is a loop that iterates through a list.  Can you change it to use the new For Loop syntax?  It should print out
        //each account name in the debug log when you're done.
        //Use the list size to tell you how many loops, and use indexing to fetch values.  If you need help, check the
        //loopingThroughLists method in WeekFiveClassExercises for hints

        List < Account > accountList = [SELECT ID, Name FROM Account LIMIT 5];

        Integer listSize = accountList.size();

        for (Integer i=0; i<listSize; i++) {
            system.debug('These are the accounts listed in the for loop: '+accountList[i].Name);
        }


    }



}