<?php

namespace Modules\Company\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Str;
use Illuminate\Validation\Rule;
use Modules\Company\Models\Company;
use Modules\Countries\Models\Country;

class CompanyController extends Controller
{
    /**
     * Display companies.
     */
    public function index()
    {
        $counts = ['users', 'warehouses', 'licenseKeys'];

        if (Schema::hasTable('company_divisions')) {
            $counts[] = 'divisions';
        }

        $companies = Company::query()
            ->with(['country'])
            ->withCount($counts)
            ->orderBy('name')
            ->paginate(20);

        $companies->getCollection()->each(function (Company $company): void {
            $company->setAttribute('divisions_count', $company->getAttribute('divisions_count') ?? 0);
        });

        return view('company::index', [
            'companies' => $companies,
            'countries' => $this->countries(),
        ]);
    }

    /**
     * Show the create company screen.
     */
    public function create()
    {
        return view('company::create', [
            'company' => new Company([
                'status' => 'active',
                'timezone' => 'Europe/London',
            ]),
            'countries' => $this->countries(),
        ]);
    }

    /**
     * Store a company tenant.
     */
    public function store(Request $request)
    {
        $company = Company::create($this->validated($request));

        return redirect()
            ->route('platform.companies.index')
            ->with('status', 'Company created.');
    }

    /**
     * Display a company workbench.
     */
    public function show(Company $company)
    {
        $loads = ['country'];
        $counts = ['users', 'warehouses', 'licenseKeys', 'payments'];

        if (Schema::hasTable('company_divisions')) {
            $loads[] = 'divisions';
            $counts[] = 'divisions';
        }

        if (Schema::hasTable('company_director_assignments')) {
            $loads[] = 'directorAssignments.user';
        }

        $company->load($loads)->loadCount($counts);
        $company->setAttribute('divisions_count', $company->getAttribute('divisions_count') ?? 0);

        return view('company::show', [
            'company' => $company,
            'recentUsers' => $company->users()->latest('id')->limit(5)->get(),
            'recentWarehouses' => $company->warehouses()->latest('id')->limit(5)->get(),
            'recentLicenseKeys' => $company->licenseKeys()->latest('id')->limit(5)->get(),
            'countries' => $this->countries(),
        ]);
    }

    /**
     * Show the edit company screen.
     */
    public function edit(Company $company)
    {
        return view('company::edit', [
            'company' => $company->loadMissing('country'),
            'countries' => $this->countries(),
        ]);
    }

    /**
     * Update a company tenant.
     */
    public function update(Request $request, Company $company)
    {
        $company->update($this->validated($request, $company));

        return redirect()
            ->route('platform.companies.show', $company)
            ->with('status', 'Company updated.');
    }

    /**
     * Delete a company tenant.
     */
    public function destroy(Company $company)
    {
        abort_if($company->is_system_company, 403, 'The system company cannot be deleted.');

        $company->delete();

        return redirect()
            ->route('platform.companies.index')
            ->with('status', 'Company deleted.');
    }

    private function validated(Request $request, ?Company $company = null): array
    {
        $data = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'billing_email' => ['nullable', 'email', 'max:255'],
            'status' => ['required', Rule::in(['active', 'suspended', 'inactive'])],
            'country_id' => ['nullable', Rule::exists('countries', 'id')->where('is_active', true)],
        ]);

        return [
            'name' => $data['name'],
            'billing_email' => $data['billing_email'] ?? null,
            'status' => $data['status'],
            'country_id' => $data['country_id'] ?? null,
            'slug' => Str::slug($data['name']),
            'timezone' => $company?->timezone ?: 'Europe/London',
        ];
    }

    private function countries()
    {
        return Country::query()
            ->active()
            ->orderByRaw("LOWER(COALESCE(NULLIF(display_name, ''), NULLIF(common_name, ''), name)) ASC")
            ->get(['id', 'alpha2', 'name', 'display_name', 'common_name']);
    }
}