<?php

namespace App\Http\Controllers;

use App\Enums\{LoyaltyCardFont, LoyaltyCardTextSize, RewardPositionMode, RewardType};
use App\Models\LoyaltyProgramme;
use App\Services\Tenant\TenantContext;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class LoyaltySettingsController extends Controller
{
    public function edit(TenantContext $tenant): View
    {
        $business = $tenant->require();
        $programme = $business->loyaltyProgramme ?: new LoyaltyProgramme(['stampsRequired' => 10, 'rewardType' => RewardType::Percentage, 'rewardPosition' => RewardPositionMode::AfterAllStamps, 'cardFont' => LoyaltyCardFont::Sans, 'cardTitleTextSize' => LoyaltyCardTextSize::Md]);
        $services = $business->services()->where('isActive', true)->orderBy('name')->get();
        return view('owner.loyalty-settings', compact('business', 'programme', 'services'));
    }

    public function update(Request $request, TenantContext $tenant): RedirectResponse
    {
        $business = $tenant->require();
        $data = $request->validate([
            'isEnabled' => ['nullable', 'boolean'], 'stampsRequired' => ['required', 'integer', 'min:1', 'max:10'],
            'rewardPosition' => ['required', 'in:AFTER_ALL_STAMPS,FINAL_SLOT_IS_REWARD'], 'rewardType' => ['required', 'in:PERCENTAGE,FIXED_AMOUNT,FREE_SERVICE'],
            'rewardValue' => ['nullable', 'numeric', 'min:0'], 'rewardLabel' => ['nullable', 'string', 'max:100'], 'freeServiceId' => ['nullable', 'string'],
            'autoApplyReward' => ['nullable', 'boolean'], 'requiresStaffApproval' => ['nullable', 'boolean'], 'rewardExpiresAfterDays' => ['nullable', 'integer', 'min:1'],
            'cardTitleText' => ['nullable', 'string', 'max:80'], 'cardFont' => ['required', 'in:SANS,SERIF,MONO'], 'cardTitleTextSize' => ['required', 'in:SM,MD,LG'],
            'termsLine' => ['nullable', 'string', 'max:255'],
        ]);
        if (($data['rewardType'] ?? null) === 'FREE_SERVICE') {
            abort_unless($data['freeServiceId'] && $business->services()->whereKey($data['freeServiceId'])->where('isActive', true)->exists(), 422);
        }
        $data['businessId'] = $business->id;
        $data['isEnabled'] = $request->boolean('isEnabled');
        $data['autoApplyReward'] = $request->boolean('autoApplyReward');
        $data['requiresStaffApproval'] = $request->boolean('requiresStaffApproval');
        LoyaltyProgramme::updateOrCreate(['businessId' => $business->id], $data);
        return back()->with('status', 'Loyalty settings saved.');
    }
}