require "test_helper"

class AdminSessionsFlowTest < ActionDispatch::IntegrationTest
  def setup
    @admin = AdminUser.create!(name: "Site Admin", email: "admin@example.com", password: "supersecret123")
  end

  test "login page renders the sign-in form" do
    get admin_login_path
    assert_response :success
    assert_match "MySMSAPio", response.body
    assert_match "Sign in", response.body
  end

  test "login page displays the auth error message on failed login" do
    post admin_login_path, params: { email: "admin@example.com", password: "wrong-password" }
    assert_response :unprocessable_entity
    # The critical regression check: the alert must be present in the rendered HTML
    assert_match "Invalid email or password", response.body
  end

  test "successful login redirects to the dashboard and shows welcome notice" do
    post admin_login_path, params: { email: "admin@example.com", password: "supersecret123" }
    assert_redirected_to admin_dashboard_path
    follow_redirect!
    assert_match "Welcome back", response.body
  end

  test "login is case-insensitive for email" do
    post admin_login_path, params: { email: "ADMIN@example.com", password: "supersecret123" }
    assert_redirected_to admin_dashboard_path
  end

  test "logging out clears the session and shows notice on the login page" do
    post admin_login_path, params: { email: "admin@example.com", password: "supersecret123" }
    delete admin_logout_path
    assert_redirected_to admin_login_path
    follow_redirect!
    assert_match "logged out", response.body
  end

  test "protected admin page redirects to login with an alert" do
    get admin_dashboard_path
    assert_redirected_to admin_login_path
    follow_redirect!
    assert_match "Please log in to continue", response.body
  end
end