require "rails_helper"

describe "Admin budgets" do

  before do
    admin = create(:administrator)
    login_as(admin.user)
  end

  context "Feature flag" do

    before do
      Setting["process.budgets"] = nil
    end

    scenario "Disabled with a feature flag" do
      expect { visit admin_budgets_path }.to raise_exception(FeatureFlags::FeatureDisabled)
    end

  end

  context "Load" do

    let!(:budget) { create(:budget, slug: "budget_slug") }

    scenario "finds budget by slug" do
      visit admin_budget_path("budget_slug")
      expect(page).to have_content(budget.name)
    end

    scenario "raises an error if budget slug is not found" do
      expect do
        visit admin_budget_path("wrong_budget")
      end.to raise_error ActiveRecord::RecordNotFound
    end

    scenario "raises an error if budget id is not found" do
      expect do
        visit admin_budget_path(0)
      end.to raise_error ActiveRecord::RecordNotFound
    end

  end

  context "Index" do

    scenario "Displaying no open budgets text" do
      visit admin_budgets_path

      expect(page).to have_content("There are no budgets.")
    end

    scenario "Displaying budgets" do
      budget = create(:budget)
      visit admin_budgets_path

      expect(page).to have_content(budget.name)
      expect(page).to have_content(translated_phase_name(phase_kind: budget.phase))
    end

    scenario "Filters by phase" do
      drafting_budget  = create(:budget, :drafting)
      accepting_budget = create(:budget, :accepting)
      selecting_budget = create(:budget, :selecting)
      balloting_budget = create(:budget, :balloting)
      finished_budget  = create(:budget, :finished)

      visit admin_budgets_path
      expect(page).to have_content(drafting_budget.name)
      expect(page).to have_content(accepting_budget.name)
      expect(page).to have_content(selecting_budget.name)
      expect(page).to have_content(balloting_budget.name)
      expect(page).not_to have_content(finished_budget.name)

      click_link "Finished"
      expect(page).not_to have_content(drafting_budget.name)
      expect(page).not_to have_content(accepting_budget.name)
      expect(page).not_to have_content(selecting_budget.name)
      expect(page).not_to have_content(balloting_budget.name)
      expect(page).to have_content(finished_budget.name)

      click_link "Open"
      expect(page).to have_content(drafting_budget.name)
      expect(page).to have_content(accepting_budget.name)
      expect(page).to have_content(selecting_budget.name)
      expect(page).to have_content(balloting_budget.name)
      expect(page).not_to have_content(finished_budget.name)
    end

    scenario "Open filter is properly highlighted" do
      filters_links = { "current" => "Open", "finished" => "Finished" }

      visit admin_budgets_path

      expect(page).not_to have_link(filters_links.values.first)
      filters_links.keys.drop(1).each { |filter| expect(page).to have_link(filters_links[filter]) }

      filters_links.each_pair do |current_filter, link|
        visit admin_budgets_path(filter: current_filter)

        expect(page).not_to have_link(link)

        (filters_links.keys - [current_filter]).each do |filter|
          expect(page).to have_link(filters_links[filter])
        end
      end
    end

  end

  context "New" do

    scenario "Create budget" do
      visit admin_budgets_path
      click_link "Create new budget"

      fill_in "Name", with: "M30 - Summer campaign"
      select "Accepting projects", from: "budget[phase]"

      click_button "Create Budget"

      expect(page).to have_content "New participatory budget created successfully!"
      expect(page).to have_content "M30 - Summer campaign"
    end

    scenario "Name is mandatory" do
      visit new_admin_budget_path
      click_button "Create Budget"

      expect(page).not_to have_content "New participatory budget created successfully!"
      expect(page).to have_css(".is-invalid-label", text: "Name")
    end

    scenario "Name should be unique" do
      create(:budget, name: "Existing Name")

      visit new_admin_budget_path
      fill_in "Name", with: "Existing Name"
      click_button "Create Budget"

      expect(page).not_to have_content "New participatory budget created successfully!"
      expect(page).to have_css(".is-invalid-label", text: "Name")
      expect(page).to have_css("small.form-error", text: "has already been taken")
    end

  end

  context "Destroy" do

    let!(:budget) { create(:budget) }
    let(:heading) { create(:budget_heading, budget: budget) }

    scenario "Destroy a budget without investments" do
      visit admin_budgets_path
      click_link "Edit budget"
      click_link "Delete budget"

      expect(page).to have_content("Budget deleted successfully")
      expect(page).to have_content("There are no budgets.")
    end

    scenario "Try to destroy a budget with investments" do
      create(:budget_investment, heading: heading)

      visit admin_budgets_path
      click_link "Edit budget"
      click_link "Delete budget"

      expect(page).to have_content("You cannot delete a budget that has associated investments")
      expect(page).to have_content("There is 1 budget")
    end

    scenario "Try to destroy a budget with polls" do
      create(:poll, budget: budget)

      visit edit_admin_budget_path(budget)
      click_link "Delete budget"

      expect(page).to have_content("You cannot delete a budget that has an associated poll")
      expect(page).to have_content("There is 1 budget")
    end
  end

  context "Edit" do
    let!(:budget) { create(:budget) }

    scenario "Show phases table" do
      budget.update!(phase: "selecting")

      visit admin_budgets_path
      click_link "Edit budget"

      expect(page).to have_select("budget_phase", selected: "Selecting projects")

      within "#budget-phases-table" do

        Budget::Phase::PHASE_KINDS.each do |phase_kind|
          phase_index = Budget::Phase::PHASE_KINDS.index(phase_kind)
          break if phase_kind == Budget::Phase::PHASE_KINDS.last
          next_phase_kind = Budget::Phase::PHASE_KINDS[phase_index + 1]
          next_phase_name = translated_phase_name(phase_kind: next_phase_kind)
          expect(translated_phase_name(phase_kind: phase_kind)).to appear_before(next_phase_name)
        end

        budget.phases.each do |phase|
          edit_phase_link = edit_admin_budget_budget_phase_path(budget, phase)

          within "#budget_phase_#{phase.id}" do
            expect(page).to have_content(translated_phase_name(phase_kind: phase.kind))
            expect(page).to have_content("#{phase.starts_at.to_date} - #{phase.ends_at.to_date}")
            expect(page).to have_css(".budget-phase-enabled.enabled")
            expect(page).to have_link("Edit phase", href: edit_phase_link)
            expect(page).to have_content("Active") if budget.current_phase == phase
          end
        end
      end
    end

    scenario "Changing name for current locale will update the slug if budget is in draft phase", :js do
      budget.update!(phase: "drafting")
      old_slug = budget.slug

      visit edit_admin_budget_path(budget)

      select "Español", from: :add_language
      fill_in "Name", with: "Spanish name"
      click_button "Update Budget"

      expect(page).to have_content "Participatory budget updated successfully"
      expect(budget.reload.slug).to eq old_slug

      visit edit_admin_budget_path(budget)

      select "English", from: :select_language
      fill_in "Name", with: "New English Name"
      click_button "Update Budget"

      expect(page).to have_content "Participatory budget updated successfully"
      expect(budget.reload.slug).not_to eq old_slug
      expect(budget.slug).to eq "new-english-name"
    end

  end

  context "Update" do

    before do
      create(:budget)
    end

    scenario "Update budget" do
      visit admin_budgets_path
      click_link "Edit budget"

      fill_in "Name", with: "More trees on the streets"
      click_button "Update Budget"

      expect(page).to have_content("More trees on the streets")
      expect(page).to have_current_path(admin_budgets_path)
    end

  end

  context "Calculate Budget's Winner Investments" do

    scenario "For a Budget in reviewing balloting", :js do
      budget = create(:budget, :reviewing_ballots)
      heading = create(:budget_heading, budget: budget, price: 4)
      unselected = create(:budget_investment, :unselected, heading: heading, price: 1,
                                                           ballot_lines_count: 3)
      winner = create(:budget_investment, :selected, heading: heading, price: 3,
                                                   ballot_lines_count: 2)
      selected = create(:budget_investment, :selected, heading: heading, price: 2, ballot_lines_count: 1)

      visit edit_admin_budget_path(budget)
      expect(page).not_to have_content "See results"
      click_link "Calculate Winner Investments"
      expect(page).to have_content "Winners being calculated, it may take a minute."
      expect(page).to have_content winner.title
      expect(page).not_to have_content unselected.title
      expect(page).not_to have_content selected.title

      visit edit_admin_budget_path(budget)
      expect(page).to have_content "See results"
    end

    scenario "For a finished Budget" do
      budget = create(:budget, :finished)
      allow_any_instance_of(Budget).to receive(:has_winning_investments?).and_return(true)

      visit edit_admin_budget_path(budget)

      expect(page).to have_content "Calculate Winner Investments"
      expect(page).to have_content "See results"
    end

    scenario "Recalculate for a finished Budget" do
      budget = create(:budget, :finished)
      create(:budget_investment, :winner, budget: budget)

      visit edit_admin_budget_path(budget)

      expect(page).to have_content "Recalculate Winner Investments"
      expect(page).to have_content "See results"
      expect(page).not_to have_content "Calculate Winner Investments"

      visit admin_budget_budget_investments_path(budget)
      click_link "Advanced filters"
      check "Winners"
      click_button "Filter"

      expect(page).to have_content "Recalculate Winner Investments"
      expect(page).not_to have_content "Calculate Winner Investments"
    end

  end
end

def translated_phase_name(phase_kind: kind)
  I18n.t("budgets.phase.#{phase_kind}")
end