module Web.View.StewardshipRoles.Index where

import Web.Types
import Generated.Types
import IHP.Prelude
import IHP.ViewPrelude
import Web.Routes ()

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>

        {renderRolesSection hubGroups}
    |]
      where
        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">
            {renderRoleStatus (isNothing r.revokedAt)}
        </td>
        <td class="px-4 py-3 text-right">
            <a href={ShowStewardshipRoleAction (r.id)}
               class="text-xs text-blue-600 hover:underline">View</a>
        </td>
    </tr>
|]

renderRolesSection :: [(Hub, [StewardshipRole])] -> Html
renderRolesSection [] = [hsx|<p class="text-sm text-gray-400">No stewardship roles assigned yet.</p>|]
renderRolesSection groups = [hsx|
    <div class="space-y-6">
        {forEach groups renderHubGroup}
    </div>
|]

renderRoleStatus :: Bool -> Html
renderRoleStatus True  = [hsx|<span class="text-xs bg-green-100 text-green-700 px-2 py-0.5 rounded font-medium">active</span>|]
renderRoleStatus False = [hsx|<span class="text-xs bg-gray-100 text-gray-500 px-2 py-0.5 rounded font-medium">revoked</span>|]