# Let us start by making an empty list to store our contacts
contacts = []
print("Contact list created.")

# Each contact will be a dictionary with keys for details
sample_contact = {
    "name": "Eva Lima",
    "phone": "555-1818",
    "email": "eva@email.com"
}
print("Sample contact created:", sample_contact)

# Let us add this contact to our contact list
contacts.append(sample_contact)
print("Current contacts:", contacts)

# Let us ask the user to add a new contact now
name = input("Enter the contact's name: ")
phone = input("Enter the contact's phone: ")
email = input("Enter the contact's email: ")
new_contact = {
    "name": name,
    "phone": phone,
    "email": email
}
contacts.append(new_contact)
print("Contact added:", new_contact)

# Let us print out all contacts so far
for contact in contacts:
    print(contact)
    

# It is friendlier to print details one by one
for contact in contacts:
    print("Name:", contact["name"])
    print("Phone:", contact["phone"])
    print("Email:", contact["email"])
    print("-")
    

# Let us make a function to add contacts easily
def add_contact(name, phone, email):
    contact = {
        "name": name,
        "phone": phone,
        "email": email
    }
    contacts.append(contact)
    print("Contact added:", contact)
    

# Let us use our new function to add another contact
add_contact("Jorge Allen", "555-3033", "jorge@email.com")

# Let us search for a contact by name
search_name = input("Enter the name to search for: ")
found = False
for contact in contacts:
    if contact["name"].lower() == search_name.lower():
        print("Found:", contact)
        found = True
        break
if not found:
    print("No contact found with that name.")
    

# Let us practice editing a contact's details
edit_name = input("Enter the name of the contact to edit: ")
for contact in contacts:
    if contact["name"].lower() == edit_name.lower():
        new_phone = input("Enter the new phone: ")
        new_email = input("Enter the new email: ")
        contact["phone"] = new_phone
        contact["email"] = new_email
        print("Contact updated:", contact)
        break
    

# Remove a contact by name
remove_name = input("Enter the name of the contact to remove: ")
for contact in contacts:
    if contact["name"].lower() == remove_name.lower():
        contacts.remove(contact)
        print("Removed:", contact)
        break
else:
    print("Contact not found.")
    

# Let us count how many contacts we have
count = len(contacts)
print("You have", count, "contact(s) in your list.")

# Let us sort contacts by name for easier viewing
sorted_contacts = sorted(contacts, key=lambda c: c["name"].lower())
for contact in sorted_contacts:
    print(contact["name"], '-', contact["phone"], '-', contact["email"])
    

# Let us practice finding contacts with a certain email provider
provider = input("Enter the email provider to search for (like 'email.com'): ")
for contact in contacts:
    if provider in contact["email"]:
        print(contact)
        

# Make a backup of the contacts list before making big changes
import copy
contacts_backup = copy.deepcopy(contacts)
print("Backup created. You are safe!")

# Here is a simple menu in a loop
def show_contacts():
    if not contacts:
        print("No contacts to show.")
    else:
        for i, contact in enumerate(contacts):
            print(f"{i+1}. {contact['name']} - {contact['phone']} - {contact['email']}")
while True:
    print("\nMenu:")
    print("1. Add contact")
    print("2. View contacts")
    print("3. Search contact")
    print("4. Edit contact")
    print("5. Remove contact")
    print("6. Exit")
    choice = input("Choose an option (1-6): ")
    if choice == "1":
        n = input("Name: ")
        p = input("Phone: ")
        e = input("Email: ")
        add_contact(n, p, e)
    elif choice == "2":
        show_contacts()
    elif choice == "3":
        name = input("Name to search: ")
        found = False
        for contact in contacts:
            if contact["name"].lower() == name.lower():
                print(contact)
                found = True
                break
        if not found:
            print("Not found.")
    elif choice == "4":
        name = input("Name to edit: ")
        for contact in contacts:
            if contact["name"].lower() == name.lower():
                phone = input("New phone: ")
                email = input("New email: ")
                contact["phone"] = phone
                contact["email"] = email
                print("Updated:", contact)
                break
    elif choice == "5":
        name = input("Name to remove: ")
        for contact in contacts:
            if contact["name"].lower() == name.lower():
                contacts.remove(contact)
                print("Removed.")
                break
        else:
            print("Not found.")
    elif choice == "6":
        print("Goodbye!")
        break
    else:
        print("Try again.")
        

# Common error: forgetting to break or handle not found
name = "DoesNotExist"
for contact in contacts:
    if contact["name"].lower() == name.lower():
        print("Found:", contact)
        break
else:
    print("Not found.")
    

# Quick tip: add many contacts at once with a list of dictionaries
contacts.extend([
    {"name": "Shawn Ray", "phone": "555-1261", "email": "shawn@email.com"},
    {"name": "Angela Rowe", "phone": "555-4738", "email": "angela@email.com"},
])
print("Added two more contacts.")

# Challenge: Print only the names of contacts with a phone ending in '8'
for contact in contacts:
    if contact["phone"].endswith("8"):
        print(contact["name"])