<?php

namespace App\Http\Controllers;

use App\Actions\Permissions\PermissionService;
use App\Actions\Projects\BuildProjectBoardPayload;
use App\Actions\Tickets\MoveProjectTicket;
use App\Enums\Permission;
use App\Http\Requests\MoveProjectTicketRequest;
use App\Http\Resources\TicketStatusResource;
use App\Models\Project;
use App\Models\Ticket;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Arr;
use Inertia\Inertia;
use Inertia\Response;

class ProjectBoardController extends Controller
{
    public function __construct(
        private readonly BuildProjectBoardPayload $buildProjectBoardPayload,
        private readonly MoveProjectTicket $moveProjectTicket,
        private readonly PermissionService $permissionService,
    ) {}

    public function index(Request $request, Project $project): Response
    {
        $user = $request->user();

        abort_unless(
            $this->permissionService->allows($user, Permission::ProjectRead, $project),
            403,
        );

        return Inertia::render(
            'projects/Board',
            $this->buildProjectBoardPayload->handle($project, $user, session('status')),
        );
    }

    public function move(
        MoveProjectTicketRequest $request,
        Project $project,
        Ticket $ticket,
    ): RedirectResponse|JsonResponse {
        $user = $request->user();

        abort_unless(
            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
            403,
        );

        $validated = $request->validated();
        $redirectRoute = Arr::get($validated, 'redirect_to') === 'backlog'
            ? 'projects.backlog.index'
            : 'projects.board.index';

        $result = $this->moveProjectTicket->handle($project, $ticket, $user, $validated);
        $statusMessage = $result['moved']
            ? "{$ticket->ticket_key} moved to {$result['destination_label']}."
            : "{$ticket->ticket_key} already belongs to {$result['destination_label']}.";

        if ($request->expectsJson()) {
            $ticket->refresh()->load([
                'ticketStatus.allowedTargetStatuses.boardColumn',
                'ticketStatus.boardColumn',
            ]);

            return response()->json([
                'message' => $statusMessage,
                'moved' => $result['moved'],
                'ticket_status' => $ticket->ticketStatus === null
                    ? null
                    : TicketStatusResource::make($ticket->ticketStatus)->resolve(),
                'ticket_status_id' => $ticket->ticket_status_id,
            ]);
        }

        if (! $result['moved']) {
            return to_route($redirectRoute, $project)
                ->with('status', $statusMessage);
        }

        return to_route($redirectRoute, $project)
            ->with('status', $statusMessage);
    }
}