sure/test/controllers/pages_controller_test.rb

require "test_helper"

class PagesControllerTest < ActionDispatch::IntegrationTest
  include EntriesTestHelper

  setup do
    sign_in @user = users(:family_admin)
    @intro_user = users(:intro_user)
    @family = @user.family
  end

  test "dashboard" do
    get root_path
    assert_response :ok
  end

  test "dashboard memoizes income statement period totals while rendering" do
    income_statement = IncomeStatement.new(@family)
    IncomeStatement.stubs(:new).returns(income_statement)

    fake_expense_period_total = IncomeStatement::PeriodTotal.new(
      classification: "expense",
      total: 0,
      currency: @family.currency,
      category_totals: []
    )

    fake_income_period_total = IncomeStatement::PeriodTotal.new(
      classification: "income",
      total: 0,
      currency: @family.currency,
      category_totals: []
    )

    income_statement.expects(:build_period_total)
      .with(classification: "expense", period: kind_of(Period))
      .once
      .returns(fake_expense_period_total)

    income_statement.expects(:build_period_total)
      .with(classification: "income", period: kind_of(Period))
      .once
      .returns(fake_income_period_total)

    get root_path

    assert_response :ok
  end

  test "intro page requires guest role" do
    get intro_path

    assert_redirected_to root_path
    assert_equal "Intro is only available to guest users.", flash[:alert]
  end

  test "intro page is accessible for guest users" do
    sign_in @intro_user

    get intro_path

    assert_response :ok
  end

  test "dashboard renders sankey chart with subcategories" do
    # Create parent category with subcategory
    parent_category = @family.categories.create!(name: "Shopping", color: "#FF5733")
    subcategory = @family.categories.create!(name: "Groceries", parent: parent_category, color: "#33FF57")

    # Create transactions using helper
    create_transaction(account: @family.accounts.first, name: "General shopping", amount: 100, category: parent_category)
    create_transaction(account: @family.accounts.first, name: "Grocery store", amount: 50, category: subcategory)

    get root_path
    assert_response :ok
    assert_select "[data-controller='sankey-chart']"
  end

  test "dashboard renders sankey chart zoom controls and stable node ids" do
    parent_category = @family.categories.create!(name: "Shopping", color: "#FF5733")
    subcategory = @family.categories.create!(name: "Groceries", parent: parent_category, color: "#33FF57")

    create_transaction(account: @family.accounts.first, name: "General shopping", amount: 100, category: parent_category)
    create_transaction(account: @family.accounts.first, name: "Grocery store", amount: 50, category: subcategory)

    get root_path

    assert_response :ok
    assert_select "[data-sankey-chart-target='zoomOutButton'][hidden]", count: 2

    chart = css_select("[data-controller='sankey-chart']").first
    sankey_data = JSON.parse(chart["data-sankey-chart-data-value"])

    assert_includes sankey_data.fetch("nodes").map { |node| node.fetch("id") }, "cash_flow_node"
    assert sankey_data.fetch("nodes").any? { |node| node.fetch("id").start_with?("expense_") }
  end

  test "changelog" do
    VCR.use_cassette("git_repository_provider/fetch_latest_release_notes") do
      get changelog_path
      assert_response :ok
    end
  end

  test "changelog with nil release notes" do
    # Mock the GitHub provider to return nil (simulating API failure or no releases)
    github_provider = mock
    github_provider.expects(:fetch_latest_release_notes).returns(nil)
    Provider::Registry.stubs(:get_provider).with(:github).returns(github_provider)

    get changelog_path
    assert_response :ok
    assert_select "h2", text: "Release notes unavailable"
    assert_select "a[href='https://github.com/we-promise/sure/releases']"
  end

  test "changelog with incomplete release notes" do
    # Mock the GitHub provider to return incomplete data (missing some fields)
    github_provider = mock
    incomplete_data = {
      avatar: nil,
      username: "maybe-finance",
      name: "Test Release",
      published_at: nil,
      body: nil
    }
    github_provider.expects(:fetch_latest_release_notes).returns(incomplete_data)
    Provider::Registry.stubs(:get_provider).with(:github).returns(github_provider)

    get changelog_path
    assert_response :ok
    assert_select "h2", text: "Test Release"
    # Should not crash even with nil values
  end
end