<?php

namespace App\Http\Controllers\Api;

use App\Actions\Permissions\PermissionService;
use App\Actions\ProjectBoard\DeleteBoardColumn;
use App\Actions\ProjectBoard\DeleteTicketStatus;
use App\Actions\ProjectBoard\StoreBoardColumn;
use App\Actions\ProjectBoard\StoreTicketStatus;
use App\Actions\ProjectBoard\UpdateBoardColumn;
use App\Actions\ProjectBoard\UpdateTicketStatus;
use App\Actions\ProjectBoard\UpdateTicketStatusTransitions;
use App\Actions\Projects\BuildProjectBoardSettingsPayload;
use App\Enums\Permission;
use App\Http\Requests\StoreBoardColumnRequest;
use App\Http\Requests\StoreTicketStatusRequest;
use App\Http\Requests\UpdateBoardColumnRequest;
use App\Http\Requests\UpdateTicketStatusRequest;
use App\Http\Requests\UpdateTicketStatusTransitionsRequest;
use App\Http\Resources\BoardColumnResource;
use App\Http\Resources\TicketStatusResource;
use App\Models\BoardColumn;
use App\Models\Project;
use App\Models\TicketStatus;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class ProjectBoardSettingsController extends ApiController
{
    public function __construct(
        private readonly BuildProjectBoardSettingsPayload $buildProjectBoardSettingsPayload,
        private readonly DeleteBoardColumn $deleteBoardColumn,
        private readonly DeleteTicketStatus $deleteTicketStatus,
        private readonly PermissionService $permissionService,
        private readonly StoreBoardColumn $storeBoardColumn,
        private readonly StoreTicketStatus $storeTicketStatus,
        private readonly UpdateBoardColumn $updateBoardColumn,
        private readonly UpdateTicketStatus $updateTicketStatus,
        private readonly UpdateTicketStatusTransitions $updateTicketStatusTransitions,
    ) {}

    public function show(Request $request, Project $project): JsonResponse
    {
        $this->abortUnlessCanManage($request, $project);

        return response()->json([
            'data' => $this->buildProjectBoardSettingsPayload->handle($project),
        ]);
    }

    public function storeColumn(StoreBoardColumnRequest $request, Project $project): JsonResponse
    {
        $this->abortUnlessCanManage($request, $project);

        $boardColumn = $this->storeBoardColumn->handle($project, $request->validated());

        return BoardColumnResource::make($boardColumn->load('ticketStatuses'))
            ->additional([
                'meta' => [
                    'message' => "{$boardColumn->name} was added to the board workflow.",
                ],
            ])
            ->response()
            ->setStatusCode(201);
    }

    public function updateColumn(
        UpdateBoardColumnRequest $request,
        Project $project,
        BoardColumn $boardColumn,
    ): JsonResponse {
        $this->abortUnlessCanManage($request, $project);

        $boardColumn = $this->updateBoardColumn->handle($project, $boardColumn, $request->validated());

        return BoardColumnResource::make($boardColumn->load('ticketStatuses'))
            ->additional([
                'meta' => [
                    'message' => "{$boardColumn->name} was updated.",
                ],
            ])
            ->response();
    }

    public function destroyColumn(Request $request, Project $project, BoardColumn $boardColumn): JsonResponse
    {
        $this->abortUnlessCanManage($request, $project);

        $this->deleteBoardColumn->handle($project, $boardColumn);

        return response()->json(null, 204);
    }

    public function storeStatus(StoreTicketStatusRequest $request, Project $project): JsonResponse
    {
        $this->abortUnlessCanManage($request, $project);

        $ticketStatus = $this->storeTicketStatus->handle($project, $request->validated());

        return TicketStatusResource::make($ticketStatus)
            ->additional([
                'meta' => [
                    'message' => "{$ticketStatus->name} was added to {$this->statusContextLabel($ticketStatus)}.",
                ],
            ])
            ->response()
            ->setStatusCode(201);
    }

    public function updateStatus(
        UpdateTicketStatusRequest $request,
        Project $project,
        TicketStatus $ticketStatus,
    ): JsonResponse {
        $this->abortUnlessCanManage($request, $project);

        $ticketStatus = $this->updateTicketStatus->handle($ticketStatus, $request->validated());

        return TicketStatusResource::make($ticketStatus->load('boardColumn'))
            ->additional([
                'meta' => [
                    'message' => "{$ticketStatus->name} was updated.",
                ],
            ])
            ->response();
    }

    public function destroyStatus(Request $request, Project $project, TicketStatus $ticketStatus): JsonResponse
    {
        $this->abortUnlessCanManage($request, $project);

        $this->deleteTicketStatus->handle($project, $ticketStatus);

        return response()->json(null, 204);
    }

    public function updateStatusTransitions(
        UpdateTicketStatusTransitionsRequest $request,
        Project $project,
        TicketStatus $ticketStatus,
    ): JsonResponse {
        $this->abortUnlessCanManage($request, $project);

        $ticketStatus = $this->updateTicketStatusTransitions->handle($ticketStatus, $request->validated());

        return TicketStatusResource::make($ticketStatus->load(['allowedTargetStatuses.boardColumn', 'boardColumn']))
            ->additional([
                'meta' => [
                    'message' => "{$ticketStatus->name} move targets were updated.",
                ],
            ])
            ->response();
    }

    private function abortUnlessCanManage(Request $request, Project $project): void
    {
        abort_unless(
            $this->permissionService->allows($this->authenticatedUser($request), Permission::ProjectAdmin, $project),
            403,
        );
    }

    private function statusContextLabel(TicketStatus $ticketStatus): string
    {
        return $ticketStatus->boardColumn?->name ?? 'Backlog';
    }
}