<?php

namespace Modules\ProfessionalProject\Http\Controllers;

use App\Utils\ModuleUtil;
use App\Utils\Util;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Modules\ProfessionalProject\Entities\PpMilestone;
use Modules\ProfessionalProject\Entities\PpProject;
use Modules\ProfessionalProject\Entities\PpTask;
use Modules\ProfessionalProject\Utils\ProfessionalProjectUtil;

class MilestoneController extends Controller
{
    protected $commonUtil;
    protected $ppUtil;
    protected $moduleUtil;

    public function __construct(Util $commonUtil, ProfessionalProjectUtil $ppUtil, ModuleUtil $moduleUtil)
    {
        $this->commonUtil = $commonUtil;
        $this->ppUtil = $ppUtil;
        $this->moduleUtil = $moduleUtil;
    }

    protected function authorizeModule()
    {
        $business_id = request()->session()->get('user.business_id');
        if (! auth()->user()->can('professionalproject.manage_milestones')) {
            abort(403, 'Unauthorized action.');
        }
    }

    public function index($project_id)
    {
        $this->authorizeModule();
        $business_id = request()->session()->get('user.business_id');
        $project = PpProject::where('business_id', $business_id)->findOrFail($project_id);
        $milestones = PpMilestone::withCount('tasks')
            ->where('project_id', $project_id)
            ->orderBy('position')
            ->get();

        if (request()->ajax()) {
            return view('professionalproject::milestone.partials.list')
                ->with(compact('milestones', 'project'))
                ->render();
        }

        return view('professionalproject::milestone.index')
            ->with(compact('project', 'milestones'));
    }

    public function store(Request $request)
    {
        $this->authorizeModule();
        $business_id = $request->session()->get('user.business_id');

        $milestone = PpMilestone::create([
            'business_id' => $business_id,
            'project_id' => $request->input('project_id'),
            'title' => $request->input('title'),
            'parent_id' => $request->input('parent_id'),
            'position' => (PpMilestone::where('project_id', $request->input('project_id'))->max('position') ?? 0) + 1,
            'created_by' => auth()->user()->id,
        ]);

        return ['success' => true, 'msg' => __('lang_v1.success'), 'milestone' => $milestone];
    }

    public function update(Request $request, $id)
    {
        $this->authorizeModule();
        $business_id = $request->session()->get('user.business_id');
        $milestone = PpMilestone::where('business_id', $business_id)->findOrFail($id);

        $milestone->update($request->only(['title', 'parent_id', 'position']));

        return ['success' => true, 'msg' => __('lang_v1.success')];
    }

    public function destroy($id)
    {
        $this->authorizeModule();
        $business_id = request()->session()->get('user.business_id');
        $milestone = PpMilestone::where('business_id', $business_id)->findOrFail($id);

        if ($milestone->milestone_type === 'uncategorised') {
            return ['success' => false, 'msg' => __('professionalproject::lang.cannot_delete_uncategorised')];
        }

        $uncategorised = $this->ppUtil->ensureUncategorisedMilestone(
            $business_id,
            $milestone->project_id,
            auth()->user()->id
        );

        PpTask::where('milestone_id', $milestone->id)->update(['milestone_id' => $uncategorised->id]);
        $milestone->delete();

        return ['success' => true, 'msg' => __('lang_v1.success')];
    }
}