<?php

namespace App\Http\Controllers\Api\V1\Auth;

use App\Http\Controllers\Api\V1\ApiController;
use App\Models\User;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;

/**
 * Self-service role-specific profile read/update.
 */
class SelfProfileController extends ApiController
{
    public function show(Request $request): JsonResponse
    {
        $user = $request->user();
        $relation = $user->profileRelation();

        if (! $relation) {
            return $this->fail('Admins have no role profile', null, 422);
        }

        $user->load($relation);

        return $this->ok([
            'role' => $user->role,
            'profile' => $user->{$relation}?->toArray(),
        ]);
    }

    public function update(Request $request): JsonResponse
    {
        $user = $request->user();
        $relation = $user->profileRelation();

        if (! $relation) {
            return $this->fail('Admins have no role profile to update', null, 422);
        }

        $rules = $this->rulesFor($user->role);
        $validated = Validator::make($request->all(), $rules)->validate();

        $profile = $user->{$relation};

        if (! $profile) {
            $profileClass = User::profileModelForRole($user->role);
            $profile = $profileClass::create(array_merge(['user_id' => $user->id], $validated));
        } else {
            // Self-update should not allow changing verification fields.
            unset(
                $validated['verification_status'],
                $validated['verified_at'],
                $validated['verified_by_admin_id'],
                $validated['rejection_reason'],
            );

            // Resubmitting a rejected profile resets it to pending.
            if (
                method_exists($profile, 'markVerified')
                && property_exists($profile, 'attributes')
                && ($profile->verification_status ?? null) === 'rejected'
            ) {
                $validated['verification_status'] = 'pending';
                $validated['rejection_reason'] = null;
            }

            $profile->update($validated);
        }

        return $this->ok([
            'role' => $user->role,
            'profile' => $profile->fresh()->toArray(),
        ], 'Profile updated');
    }

    private function rulesFor(string $role): array
    {
        return match ($role) {
            User::ROLE_RESIDENT => [
                'date_of_birth' => ['nullable', 'date', 'before:today'],
                'gender' => ['nullable', 'in:male,female,other,prefer_not_to_say'],
                'occupation' => ['nullable', 'string', 'max:100'],
                'emergency_contact_name' => ['nullable', 'string', 'max:191'],
                'emergency_contact_phone' => ['nullable', 'string', 'max:20'],
            ],
            User::ROLE_DRIVER => [
                'license_number' => ['nullable', 'string', 'max:32'],
                'license_class' => ['nullable', 'string', 'max:16'],
                'license_expires_at' => ['nullable', 'date'],
                'license_photo_path' => ['nullable', 'string', 'max:255'],
                'years_of_experience' => ['nullable', 'integer', 'min:0', 'max:80'],
                'date_of_birth' => ['nullable', 'date', 'before:today'],
                'gender' => ['nullable', 'in:male,female,other,prefer_not_to_say'],
                'emergency_contact_name' => ['nullable', 'string', 'max:191'],
                'emergency_contact_phone' => ['nullable', 'string', 'max:20'],
            ],
            User::ROLE_HELPER => [
                'date_of_birth' => ['nullable', 'date', 'before:today'],
                'gender' => ['nullable', 'in:male,female,other,prefer_not_to_say'],
                'emergency_contact_name' => ['nullable', 'string', 'max:191'],
                'emergency_contact_phone' => ['nullable', 'string', 'max:20'],
            ],
            User::ROLE_SCANNER => [
                'shift_preference' => ['nullable', 'in:morning,afternoon,night,flexible'],
                'date_of_birth' => ['nullable', 'date', 'before:today'],
                'gender' => ['nullable', 'in:male,female,other,prefer_not_to_say'],
                'emergency_contact_name' => ['nullable', 'string', 'max:191'],
                'emergency_contact_phone' => ['nullable', 'string', 'max:20'],
            ],
            User::ROLE_STORE_PARTNER => [
                'business_name' => ['nullable', 'string', 'max:191'],
                'business_permit_number' => ['nullable', 'string', 'max:64'],
                'contact_phone' => ['nullable', 'string', 'max:20'],
            ],
            default => [],
        };
    }
}