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+# Ride Share Program Using Array and Hashes
+# Ada Cohort 12 - Week 1 - August 11, 2019
+# Author: Farah Davoodi
+# This program will evaluate ride share data and answer specific questions
+
+# Data organized into hash, ride-share with each driver ID as the key
+ride_share =  
+{
+    DR0001: [
+        {
+            date: "Feb 03, 2016",
+            cost: 10,
+            rider_id: "RD0003",
+            rating: 3
+        }, 
+        {
+            date: "Feb 03, 2016",
+            cost: 30,
+            rider_id: "RD00015",
+            rating: 4
+        },
+        {
+            date: "Feb 05, 2016",
+            cost: 45,
+            rider_id: "RD0003",
+            rating: 2
+        }
+    ]
+},
+{
+    DR0002: [
+        {
+            date: "Feb 03 2016",
+            cost: 25,
+            rider_id: "RD0073",
+            rating: 5
+        },
+        {
+            date: "Feb 04, 2016",
+            cost: 15,
+            rider_id: "RD0013",
+            rating: 1
+        },
+        {
+            date: "Feb 05, 2016",
+            cost: 35,
+            rider_id: "RD0066",
+            rating: 3
+        }
+    ]
+},
+{
+    DR0003: [
+        {
+            date: "Feb 04, 2016",
+            cost: 5,
+            rider_id: "RD0066",
+            rating: 5
+        },
+        {
+            date: "Feb 05, 2016",
+            cost: 50,
+            rider_id: "RD0003",
+            rating: 5
+        }
+    ]
+},
+{
+    DR0004: [
+        {
+            date: "Feb 03 2016",
+            cost: 5,
+            rider_id: "RD0022",
+            rating: 5
+        },
+        {
+            date: "Feb 04, 2016",
+            cost: 10,
+            rider_id: "RD0022",
+            rating: 4
+        },
+        {
+            date: "Feb 05, 2016",
+            cost: 20,
+            rider_id: "RD0073",
+            rating: 5
+        }
+    ]
+}
+
+# Question 1
+# The number of rides each driver has given
+puts "Calculating how many rides each driver has given..."
+ride_share.each do |driver|
+    driver.each do |driver_id, rides|
+        puts "Driver #{driver_id} has given #{rides.count} rides."
+    end
+end
+puts
+
+# Question 2
+# The total amount of money each driver has made
+puts "Calculating total amount of money each driver has made..."
+ride_share.each do |driver|
+    driver.each do |driver_id, rides|
+        cost = 0
+        rides.each do |trip|
+            cost = cost + (trip[:cost])
+        end
+        puts "Driver #{driver_id} has made a total cost of $#{cost}."
+    end
+end
+puts
+
+# Question 3
+# The average rating for each driver
+puts "Calculating average driver rating..."
+ride_share.each do |driver|
+    driver.each do |driver_id, rides|
+        average_rating = []
+        rides.each do |trip|
+            average_rating.push(trip[:rating])
+        end
+        driver_avg = ((average_rating.sum)/(average_rating.length).to_f)
+        puts "Driver #{driver_id} has an average rating of #{driver_avg}."
+    end
+end
+puts
+
+# Question 4
+# Which driver made the most money?
+puts "Calculating which driver has made the most money..."
+max_cost = 0
+max_driver = ""
+ride_share.each do |driver|
+    driver.each do |driver_id, rides|
+        cost = 0
+        rides.each do |trip|
+            cost = cost + (trip[:cost])
+        end
+        
+        if cost > max_cost
+            max_cost = cost
+            max_driver = driver_id
+        end
+    end
+end
+puts "Driver #{max_driver} made the most money with $#{max_cost}."
+puts
+
+# Question 5
+# Which driver has the highest average rating?
+puts "Calculating which driver has the highest average rating..."
+highest_rating = 0
+highest_rated_driver = ""
+ride_share.each do |driver|
+    driver.each do |driver_id, rides|
+        average_rating = []
+        rides.each do |trip|
+            average_rating.push(trip[:rating])
+        end
+        driver_avg = ((average_rating.sum)/(average_rating.length)).to_f
+        
+        if driver_avg > highest_rating
+            highest_rating = driver_avg
+            highest_rated_driver = driver_id
+        end
+    end
+end
+puts "The driver with the highest average rating was #{highest_rated_driver} with an average rating of #{highest_rating}."
+puts
+
+# Optional Question 6
+# For each driver, on which day did they make the most money?
+puts "Calculating the day each driver made the most money..."
+ride_share.each do |driver|
+    driver.each do |driver_id, rides|
+        max_made = 0
+        max_day = ""
+        rides.each do |trip|
+            if  trip[:cost] > 0
+                max_made = trip[:cost]
+                max_day = trip[:date]
+            end
+        end
+        puts "Driver #{driver_id} made the most money with $#{max_made} on #{max_day}."
+    end
+end