module ApplicationHelper
  include Pagy::Frontend

  def app_name
    Rails.application.config.x.app_name
  end

  def btn_primary
    "btn-primary inline-flex items-center justify-center rounded-lg px-3.5 py-2 text-sm font-medium"
  end

  def btn_secondary
    "btn-secondary inline-flex items-center justify-center rounded-lg px-3.5 py-2 text-sm font-medium"
  end

  def btn_danger
    "btn-danger inline-flex items-center justify-center rounded-lg px-3.5 py-2 text-sm font-medium"
  end

  def input_class
    "w-full rounded-lg border border-zinc-200 bg-white px-3 py-2 text-sm text-zinc-900 placeholder:text-zinc-400 focus:border-zinc-400 focus:outline-none focus:ring-1 focus:ring-zinc-400 dark:border-zinc-700 dark:bg-zinc-950 dark:text-zinc-100 dark:placeholder:text-zinc-500 dark:focus:border-zinc-500 dark:focus:ring-zinc-500"
  end

  def mail_templates_picker_payload(templates)
    Array(templates).map { |template| { id: template.id, subject: template.subject, body_html: template.body_html } }
  end

  def card_class
    "rounded-xl border border-zinc-200 bg-white text-zinc-900 dark:border-zinc-800 dark:bg-zinc-900 dark:text-zinc-100"
  end

  def table_class
    "min-w-full text-sm text-zinc-900 dark:text-zinc-100"
  end

  def status_badge(status)
    colors = {
      "prospect" => "bg-sky-100 text-sky-800",
      "active_customer" => "bg-emerald-100 text-emerald-800",
      "inactive_customer" => "bg-slate-100 text-slate-700",
      "partner" => "bg-violet-100 text-violet-800",
      "lost" => "bg-rose-100 text-rose-800"
    }
    content_tag :span, Catalog.label_for(Catalog::ORGANIZATION_STATUSES, status),
                class: "inline-flex items-center rounded-md px-2 py-0.5 text-xs font-medium #{colors[status] || 'bg-slate-100 text-slate-700'}"
  end

  def stage_badge(stage)
    colors = {
      "to_contact" => "bg-slate-100 text-slate-700",
      "contacted" => "bg-sky-100 text-sky-800",
      "replied" => "bg-cyan-100 text-cyan-800",
      "interested" => "bg-amber-100 text-amber-800",
      "demo_trial" => "bg-orange-100 text-orange-800",
      "first_use" => "bg-lime-100 text-lime-800",
      "proposal" => "bg-indigo-100 text-indigo-800",
      "won" => "bg-emerald-100 text-emerald-800",
      "lost" => "bg-rose-100 text-rose-800"
    }
    content_tag :span, Catalog.label_for(Catalog::PIPELINE_STAGES, stage),
                class: "inline-flex items-center rounded-md px-2 py-0.5 text-xs font-medium #{colors[stage] || 'bg-slate-100 text-slate-700'}"
  end

  def priority_badge(priority)
    colors = {
      "low" => "bg-slate-100 text-slate-600",
      "normal" => "bg-sky-100 text-sky-700",
      "high" => "bg-amber-100 text-amber-800",
      "urgent" => "bg-rose-100 text-rose-800"
    }
    content_tag :span, Catalog.label_for(Catalog::TASK_PRIORITIES, priority),
                class: "inline-flex items-center rounded-md px-2 py-0.5 text-xs font-medium #{colors[priority] || 'bg-slate-100'}"
  end

  def format_money(value)
    number_to_currency(value.to_f, unit: "€", separator: ",", delimiter: ".", format: "%n %u")
  end

  def format_dt(value)
    return "—" if value.blank?

    I18n.l(value, format: :short)
  end

  def format_date(value)
    return "—" if value.blank?

    I18n.l(value.to_date, format: :default)
  end

  def progress_bar(percentage, color: "bg-emerald-500")
    content_tag :div, class: "h-3 w-full overflow-hidden rounded-full bg-slate-200 dark:bg-zinc-700" do
      content_tag :div, "", class: "h-full #{color} transition-all", style: "width: #{percentage.to_i}%"
    end
  end

  def nav_link(label, path, icon: nil)
    home = begin
      project_root_path
    rescue StandardError
      root_path
    end
    active = current_page?(path) || (path != home && request.fullpath.start_with?(path.split("?").first))
    classes = if active
                "bg-zinc-900 text-white dark:bg-zinc-100 dark:text-zinc-900"
              else
                "text-zinc-600 hover:bg-zinc-100 hover:text-zinc-900 dark:text-zinc-400 dark:hover:bg-zinc-800 dark:hover:text-zinc-100"
              end
    link_to path, class: "flex items-center gap-3 rounded-lg px-3 py-2 text-sm font-medium #{classes}" do
      label
    end
  end

  def options_for_catalog(hash, selected = nil)
    options_for_select(hash.map { |k, v| [v, k] }, selected)
  end

  def mailing_status_badge(status)
    colors = {
      "draft" => "bg-zinc-100 text-zinc-700 dark:bg-zinc-800 dark:text-zinc-200",
      "sending" => "bg-amber-100 text-amber-800 dark:bg-amber-950 dark:text-amber-200",
      "sent" => "bg-emerald-100 text-emerald-800 dark:bg-emerald-950 dark:text-emerald-200",
      "cancelled" => "bg-rose-100 text-rose-800 dark:bg-rose-950 dark:text-rose-200"
    }
    content_tag :span, Catalog.label_for(Catalog::MAILING_STATUSES, status),
                class: "inline-flex items-center rounded-md px-2 py-0.5 text-xs font-medium #{colors[status] || 'bg-zinc-100 text-zinc-700'}"
  end

  def mailing_recipient_status_badge(status)
    colors = {
      "pending" => "bg-sky-100 text-sky-800 dark:bg-sky-950 dark:text-sky-200",
      "skipped" => "bg-zinc-100 text-zinc-600 dark:bg-zinc-800 dark:text-zinc-300",
      "queued" => "bg-amber-100 text-amber-800 dark:bg-amber-950 dark:text-amber-200",
      "sent" => "bg-emerald-100 text-emerald-800 dark:bg-emerald-950 dark:text-emerald-200",
      "failed" => "bg-rose-100 text-rose-800 dark:bg-rose-950 dark:text-rose-200"
    }
    content_tag :span, Catalog.label_for(Catalog::MAILING_RECIPIENT_STATUSES, status),
                class: "inline-flex items-center rounded-md px-2 py-0.5 text-xs font-medium #{colors[status] || 'bg-zinc-100 text-zinc-700'}"
  end

  def ab_variant_badge(variant)
    return if variant.blank?

    colors = {
      "A" => "bg-indigo-100 text-indigo-800 dark:bg-indigo-950 dark:text-indigo-200",
      "B" => "bg-fuchsia-100 text-fuchsia-800 dark:bg-fuchsia-950 dark:text-fuchsia-200"
    }
    content_tag :span, "Test #{variant}",
                class: "inline-flex items-center rounded-md px-2 py-0.5 text-xs font-medium #{colors[variant] || 'bg-zinc-100 text-zinc-700'}"
  end

  def sanitize_email_html(html)
    sanitize(
      html.to_s,
      tags: %w[p br strong b em i u a ul ol li h1 h2 h3 h4 h5 blockquote pre hr img figure figcaption span div],
      attributes: %w[href src alt style class width height]
    )
  end

  def streaming_badge(status)
    return if status.blank?

    colors = {
      "not_detected" => "bg-zinc-100 text-zinc-700",
      "limited" => "bg-amber-100 text-amber-800",
      "yes_partial" => "bg-sky-100 text-sky-800",
      "yes" => "bg-emerald-100 text-emerald-800",
      "yes_sportcam" => "bg-emerald-100 text-emerald-800"
    }
    content_tag :span, Catalog.label_for(Catalog::STREAMING_STATUSES, status),
                class: "inline-flex items-center rounded-md px-2 py-0.5 text-xs font-medium #{colors[status] || 'bg-zinc-100 text-zinc-700'}"
  end

  def yes_no(value)
    value ? "Sì" : "No"
  end

  def external_link(url, **options)
    return "—" if url.blank?

    href = url.match?(%r{\Ahttps?://}i) ? url : "https://#{url}"
    link_to url, href, target: "_blank", rel: "noopener", **options
  end
end