module Web.View.StewardshipRoles.Index where

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

data IndexView = IndexView
    { roles :: ![StewardshipRole]
    , hubs  :: ![Hub]
    }

instance View IndexView where
    html IndexView { .. } = [hsx|
        <div class="flex items-center justify-between mb-6">
            <h1 class="text-2xl font-semibold">Stewardship Roles</h1>
            <a href={NewStewardshipRoleAction}
               class="text-sm bg-blue-600 text-white px-3 py-1.5 rounded hover:bg-blue-700">
                Grant Role
            </a>
        </div>

        {if null roles
            then [hsx|<p class="text-sm text-gray-400">No stewardship roles assigned yet.</p>|]
            else [hsx|
                <div class="space-y-6">
                    {forEach hubGroups renderHubGroup}
                </div>
            |]}
    |]
      where
        hubName hid = maybe (show hid) (.name) (find (\h -> h.id == hid) hubs)
        hubGroups   = groupByHub hubs roles

        groupByHub :: [Hub] -> [StewardshipRole] -> [(Hub, [StewardshipRole])]
        groupByHub hs rs =
            [ (h, filter (\r -> r.hubId == h.id) rs)
            | h <- hs
            , any (\r -> r.hubId == h.id) rs
            ]

        renderHubGroup :: (Hub, [StewardshipRole]) -> Html
        renderHubGroup (hub, hubRoles) = [hsx|
            <div class="bg-white rounded-lg border border-gray-200 overflow-hidden">
                <div class="bg-gray-50 border-b border-gray-200 px-4 py-3">
                    <h2 class="font-medium text-gray-700">{hub.name}</h2>
                </div>
                <table class="w-full text-sm">
                    <thead>
                        <tr>
                            <th class="text-left px-4 py-2 font-medium text-gray-600">Role</th>
                            <th class="text-left px-4 py-2 font-medium text-gray-600">Assigned To</th>
                            <th class="text-left px-4 py-2 font-medium text-gray-600">Granted</th>
                            <th class="text-left px-4 py-2 font-medium text-gray-600">Status</th>
                            <th class="px-4 py-2"></th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-gray-100">
                        {forEach hubRoles renderRoleRow}
                    </tbody>
                </table>
            </div>
            |]

        renderRoleRow :: StewardshipRole -> Html
        renderRoleRow r = [hsx|
            <tr class="hover:bg-gray-50">
                <td class="px-4 py-3 font-medium text-gray-800">{r.roleName}</td>
                <td class="px-4 py-3 text-gray-600">{r.assignedTo}</td>
                <td class="px-4 py-3 text-xs text-gray-400">{show r.grantedAt}</td>
                <td class="px-4 py-3">
                    {if isNothing r.revokedAt
                        then [hsx|<span class="text-xs bg-green-100 text-green-700 px-2 py-0.5 rounded font-medium">active</span>|]
                        else [hsx|<span class="text-xs bg-gray-100 text-gray-500 px-2 py-0.5 rounded font-medium">revoked</span>|]}
                </td>
                <td class="px-4 py-3 text-right">
                    <a href={ShowStewardshipRoleAction { stewardshipRoleId = r.id }}
                       class="text-xs text-blue-600 hover:underline">View</a>
                </td>
            </tr>
            |]