# MODEL
class Foo < BaseModel
  table :foos do
    column name : String
  end
end

# FORM
class FooForm < Foo::BaseForm
  fillable name

  def prepare
    validate_required name
  end
end

# ACTIONS

# index.cr
class Foos::Index < BrowserAction
  route do
    foos = FooQuery.new
    render IndexPage, foos: foos
  end
end

# show.cr
class Foos::Show < BrowserAction
  route do
    foo = FooQuery.new.find(id)
    render ShowPage, foo: foo
  end
end

# new.cr
class Foos::New < BrowserAction
  route do
    render NewPage, form: FooForm.new
  end
end

# create.cr
class Foo::Create < BrowserAction
  route do
    FooForm.create(params) do |form, foo|
      if foo
        render Foos::ShowPage, foo: foo
      else
        render Foos::NewPage, form: form
      end
    end
  end
end

# edit.cr
class Foos::Edit < BrowserAction
  route do
    foo = FooQuery.new.find(id)
    render EditPage, foo: foo, form: FooForm.new(foo)
  end
end

# update.cr
class Foos::Update < BrowserAction
  route do
    foo = FooQuery.new.find(id)
    FooForm.update(foo, params) do |form, foo|
      if form.saved?
        render Foos::ShowPage, foo: foo
      else
        render Foos::EditPage, form: form, foo: foo
      end
    end
  end
end

# delete.cr
class Foos::Delete < BrowserAction
  route do
    foo = VenueQuery.new.find(id)
    foo.delete
    redirect Foos::Index
  end
end


# PAGES

# index_page.cr
class Foos::IndexPage < MainLayout
  needs foos : FooQuery

  def content
    h1 "Foos"
    ul do
      @foos.each do |foo|
        li do
          link foo.name, to: Foos::Show.with(foo.id)
        end
      end
    end
  end
end

# show_page.cr
class Foos::ShowPage < MainLayout
  needs foo : Foo

  def content
    h1 "Foo: #{@foo.name}"
    link "EDIT", to: Foos::Edit.with(@foo.id)
    link "DELETE", to: Foos::Delete.with(@foo.id)
  end
end

# new_page.cr
class Foos::NewPage < MainLayout
  needs form : FooForm

  def content
    h1 "New Foo"
    render_foo_form(@form)
  end

  private def render_foo_form(f)
    form_for Foo::Create do
      field(f.name) { |i| text_input i }
      submit "Save", flow_id: "save-button"
    end
  end
end

# edit_page.cr
class Foos::EditPage < MainLayout
  needs foo : Foo
  needs form : FooForm

  def content
    h1 "Edit Foo"
    render_foo_form(@form)
  end

  private def render_foo_form(f)
    form_for Foos::Update.with(@foo.id) do
      field(f.name) { |i| text_input i }
      submit "Save", flow_id: "save-button"
    end
  end
end