public with sharing class WeekSixHomework {

    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 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;
            System.debug('Names are ' + name);
        }


        //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> topTenAccounts = [SELECT Id, Name, AnnualRevenue FROM Account WHERE AnnualRevenue !=null ORDER BY AnnualRevenue DESC LIMIT 10];
        Integer loopCounter = 0;

        //show results in order with revenue to verify SOQL
        For (Account a : topTenAccounts){
            loopCounter++;
            System.debug(loopCounter + ' Account = ' + a.Name +', Revenue = ' + 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 WeekSixClassExercises, getOpenOppsForHotAccounts method
        //  Print your results in the debug log.
        List<Opportunity> allOpps = [SELECT Id,Name FROM Opportunity WHERE AccountID in:topFiveAccounts];
            System.debug('Number of Top Accounts: ' + topFiveAccounts.size() + ', Number of Top Account Opportunities: ' + allOpps.size());
            For (Opportunity o: allOpps){
                System.debug('Opportunities for Top Five Accounts include: ' + o.Name);
            }


    }

    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 counter = 0;
        for (Integer i=0; i<5; i++) {
            counter++;
          	//System.debug('i is now: '+i);
            //System.debug('Loop ran ' + counter + ' times');
        }
        System.debug('Done with loop, it ran ' + counter + ' 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 WeekSixClassExercises for hints

        List<Account> accountList = [SELECT Id, Name FROM Account LIMIT 5];
        for (Account a : accountList) {
            System.debug('Account Name: ' + a.name);
        }

        Integer listSize = accountList.size();
        System.debug('...........................Check out the same loop with a different syntax.....................');
        for (Integer i = 0; i < listSize; i++){
            System.debug('Opp in our new syntax: ' + accountList[i].Name);
        }

        //But we can also use the new syntax we just learned, using the size of the list to know how many loops we need.
        //Integer listSize = tenOpenOpps.size();
        //System.debug('*************************************************And Now for the same loop with different Syntax:');
        //for (Integer i = 0; i < listSize; i++) {
            //Note that since we're usng this format, we use indexing to get values from each opportunity,
            //Using the tenOpenOpps list and the current value of i as the index
            //System.debug('Opp in our loop Version 2: ' + tenOpenOpps[i].Name);
        }


    }