<?php

namespace App\Http\Controllers;

use App\Actions\ProjectPermissions\ProjectPermissionService;
use App\Actions\Tickets\CreateTicketWorklogEntry;
use App\Http\Requests\MoveProjectTicketRequest;
use App\Models\Project;
use App\Models\Ticket;
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 CreateTicketWorklogEntry $createTicketWorklogEntry,
        private readonly ProjectPermissionService $projectPermissionService,
    ) {}

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

        abort_unless(
            $this->projectPermissionService->userCanViewProject($user, $project),
            403,
        );

        return Inertia::render('projects/Board', [
            'boardColumns' => $project->boardColumns()
                ->with([
                    'tickets' => fn ($query) => $query
                        ->with(['ticketPriority', 'ticketType']),
                ])
                ->get(),
            'canEditTickets' => $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
            'project' => $project,
            'status' => session('status'),
        ]);
    }

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

        abort_unless(
            $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
            403,
        );

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

        $destinationColumn = $project->boardColumns()
            ->find($boardColumnId);

        $originBoardColumnId = $ticket->board_column_id;
        $originLabel = $ticket->boardColumn?->name ?? 'Backlog';
        $destinationLabel = $destinationColumn?->name ?? 'Backlog';

        if ($ticket->board_column_id === $boardColumnId) {
            return to_route($redirectRoute, $project)
                ->with('status', "{$ticket->ticket_key} already belongs to {$destinationLabel}.");
        }

        $ticket->update([
            'board_column_id' => $destinationColumn?->id,
        ]);

        $this->createTicketWorklogEntry->handle(
            $ticket->fresh(),
            $user,
            'status_changed',
            "Moved from {$originLabel} to {$destinationLabel}.",
            [
                'from' => [
                    'board_column_id' => $originBoardColumnId,
                    'label' => $originLabel,
                ],
                'to' => [
                    'board_column_id' => $destinationColumn?->id,
                    'label' => $destinationLabel,
                ],
            ],
        );

        return to_route($redirectRoute, $project)
            ->with('status', "{$ticket->ticket_key} moved to {$destinationLabel}.");
    }
}