<?php

namespace App\Http\Controllers;

use App\Enums\WorkspaceUserRole;
use App\Http\Requests\StoreWorkspaceRequest;
use App\Http\Requests\UpdateWorkspaceRequest;
use App\Models\User;
use App\Models\Workspace;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Inertia\Response;

class WorkspaceController extends Controller
{
    /**
     * Display a listing of the workspaces.
     */
    public function index(Request $request): Response
    {
        $perPage = min(max((int) $request->input('per_page', 10), 10), 100);

        $workspaces = Workspace::query()
            ->withCount('users')
            ->latest()
            ->paginate($perPage)
            ->through(fn (Workspace $workspace) => [
                'id' => $workspace->id,
                'name' => $workspace->name,
                'slug' => $workspace->slug,
                'users_count' => $workspace->users_count,
                'showUrl' => route('workspaces.show', $workspace),
                'editUrl' => route('workspaces.edit', $workspace),
                'destroyUrl' => route('workspaces.destroy', $workspace),
            ]);

        return Inertia::render('workspaces/Index', [
            'workspaces' => $workspaces,
            'createUrl' => route('workspaces.create'),
        ]);
    }

    /**
     * Show the form for creating a new workspace.
     */
    public function create(): Response
    {
        return Inertia::render('workspaces/Create', [
            'indexUrl' => route('workspaces.index'),
            'storeUrl' => route('workspaces.store'),
            'users' => User::query()->orderBy('name')->get(['id', 'name', 'email']),
            'workspaceUserRoles' => WorkspaceUserRole::asSelectArray(),
        ]);
    }

    /**
     * Store a newly created workspace in storage.
     */
    public function store(StoreWorkspaceRequest $request): RedirectResponse
    {
        $data = $request->validated();
        $userIds = $data['user_ids'] ?? [];
        $userRoles = $data['user_roles'] ?? [];
        unset($data['user_ids'], $data['user_roles']);

        $workspace = Workspace::query()->create($data);
        $syncData = collect($userIds)->mapWithKeys(fn ($userId) => [
            (int) $userId => ['role' => $userRoles[$userId] ?? WorkspaceUserRole::Member],
        ])->all();
        $workspace->users()->sync($syncData);

        return to_route('workspaces.index');
    }

    /**
     * Display the specified workspace.
     */
    public function show(Workspace $workspace): Response
    {
        $workspace->load('users');

        $clientsCount = $workspace->clients()->count();
        $declarationsCount = $workspace->declarations()->count();
        $declarationsByStatus = $workspace->declarations()
            ->selectRaw('status, count(*) as count')
            ->groupBy('status')
            ->pluck('count', 'status')
            ->all();
        $declarationsThisMonth = $workspace->declarations()
            ->whereMonth('created_at', now()->month)
            ->whereYear('created_at', now()->year)
            ->count();
        $declarationsNeedingAttention = $workspace->declarations()
            ->whereIn('status', [
                \App\Enums\DeclarationStatus::EnAttenteClient,
            ])
            ->count();

        return Inertia::render('workspaces/Show', [
            'workspace' => [
                'id' => $workspace->id,
                'name' => $workspace->name,
                'slug' => $workspace->slug,
                'users' => $workspace->users->map(fn ($user) => [
                    'id' => $user->id,
                    'name' => $user->name,
                    'email' => $user->email,
                    'role' => $user->pivot->role->value,
                ])->all(),
            ],
            'stats' => [
                'clients' => $clientsCount,
                'declarations' => $declarationsCount,
                'declarations_by_status' => $declarationsByStatus,
                'declarations_this_month' => $declarationsThisMonth,
                'declarations_needing_attention' => $declarationsNeedingAttention,
            ],
            'indexUrl' => route('workspaces.index'),
            'editUrl' => route('workspaces.edit', $workspace),
        ]);
    }

    /**
     * Show the form for editing the specified workspace.
     */
    public function edit(Workspace $workspace): Response
    {
        $workspace->load('users');
        $userRoles = $workspace->users->mapWithKeys(
            fn ($user) => [$user->id => $user->pivot->role->value],
        )->all();

        return Inertia::render('workspaces/Edit', [
            'workspace' => [
                'id' => $workspace->id,
                'name' => $workspace->name,
                'slug' => $workspace->slug,
                'user_ids' => $workspace->users->pluck('id')->all(),
                'user_roles' => $userRoles,
            ],
            'indexUrl' => route('workspaces.index'),
            'updateUrl' => route('workspaces.update', $workspace),
            'users' => User::query()->orderBy('name')->get(['id', 'name', 'email']),
            'workspaceUserRoles' => WorkspaceUserRole::asSelectArray(),
        ]);
    }

    /**
     * Update the specified workspace in storage.
     */
    public function update(UpdateWorkspaceRequest $request, Workspace $workspace): RedirectResponse
    {
        $data = $request->validated();
        $userIds = $data['user_ids'] ?? [];
        $userRoles = $data['user_roles'] ?? [];
        unset($data['user_ids'], $data['user_roles']);

        $workspace->update($data);
        $syncData = collect($userIds)->mapWithKeys(fn ($userId) => [
            (int) $userId => ['role' => $userRoles[$userId] ?? WorkspaceUserRole::Member],
        ])->all();
        $workspace->users()->sync($syncData);

        return to_route('workspaces.index');
    }

    /**
     * Remove the specified workspace from storage.
     */
    public function destroy(Workspace $workspace): RedirectResponse
    {
        $workspace->delete();

        return to_route('workspaces.index');
    }
}