defmodule MyFirstElixirVibeCode.Accounts do
  @moduledoc """
  The Accounts context.
  """

  import Ecto.Query, warn: false
  alias MyFirstElixirVibeCode.Repo

  alias MyFirstElixirVibeCode.Accounts.Client

  @doc """
  Returns the list of clients.

  ## Examples

      iex> list_clients()
      [%Client{}, ...]

  """
  def list_clients do
    Repo.all(Client)
  end

  @doc """
  Gets a single client.

  Raises `Ecto.NoResultsError` if the Client does not exist.

  ## Examples

      iex> get_client!(123)
      %Client{}

      iex> get_client!(456)
      ** (Ecto.NoResultsError)

  """
  def get_client!(id), do: Repo.get!(Client, id)

  @doc """
  Creates a client.

  ## Examples

      iex> create_client(%{field: value})
      {:ok, %Client{}}

      iex> create_client(%{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def create_client(attrs) do
    %Client{}
    |> Client.changeset(attrs)
    |> Repo.insert()
  end

  @doc """
  Updates a client.

  ## Examples

      iex> update_client(client, %{field: new_value})
      {:ok, %Client{}}

      iex> update_client(client, %{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def update_client(%Client{} = client, attrs) do
    client
    |> Client.changeset(attrs)
    |> Repo.update()
  end

  @doc """
  Deletes a client.

  ## Examples

      iex> delete_client(client)
      {:ok, %Client{}}

      iex> delete_client(client)
      {:error, %Ecto.Changeset{}}

  """
  def delete_client(%Client{} = client) do
    Repo.delete(client)
  end

  @doc """
  Returns an `%Ecto.Changeset{}` for tracking client changes.

  ## Examples

      iex> change_client(client)
      %Ecto.Changeset{data: %Client{}}

  """
  def change_client(%Client{} = client, attrs \\ %{}) do
    Client.changeset(client, attrs)
  end

  alias MyFirstElixirVibeCode.Accounts.Contractor

  @doc """
  Returns the list of contractors.

  ## Examples

      iex> list_contractors()
      [%Contractor{}, ...]

  """
  def list_contractors do
    Repo.all(Contractor)
  end

  @doc """
  Gets a single contractor.

  Raises `Ecto.NoResultsError` if the Contractor does not exist.

  ## Examples

      iex> get_contractor!(123)
      %Contractor{}

      iex> get_contractor!(456)
      ** (Ecto.NoResultsError)

  """
  def get_contractor!(id), do: Repo.get!(Contractor, id)

  @doc """
  Creates a contractor.

  ## Examples

      iex> create_contractor(%{field: value})
      {:ok, %Contractor{}}

      iex> create_contractor(%{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def create_contractor(attrs) do
    %Contractor{}
    |> Contractor.changeset(attrs)
    |> Repo.insert()
  end

  @doc """
  Updates a contractor.

  ## Examples

      iex> update_contractor(contractor, %{field: new_value})
      {:ok, %Contractor{}}

      iex> update_contractor(contractor, %{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def update_contractor(%Contractor{} = contractor, attrs) do
    contractor
    |> Contractor.changeset(attrs)
    |> Repo.update()
  end

  @doc """
  Deletes a contractor.

  ## Examples

      iex> delete_contractor(contractor)
      {:ok, %Contractor{}}

      iex> delete_contractor(contractor)
      {:error, %Ecto.Changeset{}}

  """
  def delete_contractor(%Contractor{} = contractor) do
    Repo.delete(contractor)
  end

  @doc """
  Returns an `%Ecto.Changeset{}` for tracking contractor changes.

  ## Examples

      iex> change_contractor(contractor)
      %Ecto.Changeset{data: %Contractor{}}

  """
  def change_contractor(%Contractor{} = contractor, attrs \\ %{}) do
    Contractor.changeset(contractor, attrs)
  end

  @doc """
  Registers a new contractor with required documents.

  ## Examples

      iex> register_contractor(%{field: value})
      {:ok, %Contractor{}}

      iex> register_contractor(%{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def register_contractor(attrs) do
    %Contractor{}
    |> Contractor.registration_changeset(attrs)
    |> Repo.insert()
  end

  @doc """
  Returns an `%Ecto.Changeset{}` for tracking contractor registration changes.

  ## Examples

      iex> change_contractor_registration(contractor)
      %Ecto.Changeset{data: %Contractor{}}

  """
  def change_contractor_registration(%Contractor{} = contractor, attrs \\ %{}) do
    Contractor.registration_changeset(contractor, attrs)
  end

  alias MyFirstElixirVibeCode.Accounts.User

  @doc """
  Returns the list of users.
  """
  def list_users do
    Repo.all(User)
  end

  @doc """
  Gets a single user.

  Raises `Ecto.NoResultsError` if the User does not exist.
  """
  def get_user!(id), do: Repo.get!(User, id)

  @doc """
  Gets a user by email.
  """
  def get_user_by_email(email) when is_binary(email) do
    Repo.get_by(User, email: email)
  end

  @doc """
  Gets a user by email and password.
  """
  def get_user_by_email_and_password(email, password)
      when is_binary(email) and is_binary(password) do
    user = Repo.get_by(User, email: email)
    if User.valid_password?(user, password), do: user
  end

  @doc """
  Gets a user by username and password (for admin login).
  """
  def get_user_by_username_and_password(username, password)
      when is_binary(username) and is_binary(password) do
    user = Repo.get_by(User, username: username)
    if user && user.is_admin && User.valid_password?(user, password), do: user
  end

  @doc """
  Creates a user.

  ## Examples

      iex> create_user(%{field: value})
      {:ok, %User{}}

      iex> create_user(%{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def create_user(attrs \\ %{}) do
    %User{}
    |> User.changeset(attrs)
    |> Repo.insert()
  end

  @doc """
  Updates a user.

  ## Examples

      iex> update_user(user, %{field: new_value})
      {:ok, %User{}}

      iex> update_user(user, %{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def update_user(%User{} = user, attrs) do
    user
    |> User.changeset(attrs)
    |> Repo.update()
  end

  @doc """
  Deletes a user.

  ## Examples

      iex> delete_user(user)
      {:ok, %User{}}

      iex> delete_user(user)
      {:error, %Ecto.Changeset{}}

  """
  def delete_user(%User{} = user) do
    Repo.delete(user)
  end

  @doc """
  Returns an `%Ecto.Changeset{}` for tracking user changes.

  ## Examples

      iex> change_user(user)
      %Ecto.Changeset{data: %User{}}

  """
  def change_user(%User{} = user, attrs \\ %{}) do
    User.changeset(user, attrs)
  end
end