module Web.View.CrossHubPropagations.Index where

import Web.Types
import Generated.Types
import IHP.Prelude
import IHP.ViewPrelude

data IndexView = IndexView
    { propagations :: ![CrossHubPropagation]
    , hubs         :: ![Hub]
    }

instance View IndexView where
    html IndexView { .. } = [hsx|
        <div class="flex items-center justify-between mb-6">
            <h1 class="text-2xl font-semibold">Cross-Hub Propagations</h1>
            <a href={DetectPropagationsAction}
               class="text-sm bg-indigo-600 text-white px-3 py-1.5 rounded hover:bg-indigo-700">
                Detect
            </a>
        </div>

        {if null propagations
            then [hsx|<p class="text-sm text-gray-400">No propagation events detected yet.</p>|]
            else [hsx|
                <div class="bg-white rounded-lg border border-gray-200 overflow-hidden">
                    <table class="w-full text-sm">
                        <thead class="bg-gray-50 border-b border-gray-200">
                            <tr>
                                <th class="text-left px-4 py-3 font-medium text-gray-700">Pattern</th>
                                <th class="text-left px-4 py-3 font-medium text-gray-700">Summary</th>
                                <th class="text-left px-4 py-3 font-medium text-gray-700">Source Hub</th>
                                <th class="text-left px-4 py-3 font-medium text-gray-700">Status</th>
                                <th class="text-left px-4 py-3 font-medium text-gray-700">Detected</th>
                                <th class="px-4 py-3"></th>
                            </tr>
                        </thead>
                        <tbody class="divide-y divide-gray-100">
                            {forEach propagations renderRow}
                        </tbody>
                    </table>
                </div>
            |]}
    |]
      where
        hubName hid = maybe "–" (.name) (find (\h -> h.id == hid) hubs)

        renderRow :: CrossHubPropagation -> Html
        renderRow p = [hsx|
            <tr class="hover:bg-gray-50">
                <td class="px-4 py-3">
                    <span class="bg-purple-100 text-purple-700 text-xs px-1.5 py-0.5 rounded">
                        {p.patternType}
                    </span>
                </td>
                <td class="px-4 py-3 text-gray-700">{p.summary}</td>
                <td class="px-4 py-3 text-gray-500 text-xs">
                    {maybe "–" hubName p.sourceHubId}
                </td>
                <td class="px-4 py-3">
                    <span class={statusBadge p.status <> " text-xs px-2 py-0.5 rounded font-medium"}>
                        {p.status}
                    </span>
                </td>
                <td class="px-4 py-3 text-xs text-gray-400">{show p.detectedAt}</td>
                <td class="px-4 py-3 text-right">
                    {if p.status == "open"
                        then [hsx|
                            <a href={AcknowledgePropagationAction { crossHubPropagationId = p.id }}
                               class="text-xs text-yellow-600 hover:underline mr-2">Acknowledge</a>
                        |]
                        else mempty}
                    {if p.status /= "resolved"
                        then [hsx|
                            <a href={ResolvePropagationAction { crossHubPropagationId = p.id }}
                               class="text-xs text-green-600 hover:underline">Resolve</a>
                        |]
                        else mempty}
                </td>
            </tr>
            |]

statusBadge :: Text -> Text
statusBadge s = case s of
    "open"         -> "bg-yellow-100 text-yellow-800"
    "acknowledged" -> "bg-blue-100 text-blue-800"
    "resolved"     -> "bg-green-100 text-green-800"
    _              -> "bg-gray-100 text-gray-600"