<?php

namespace App\Traits;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;

/**
 * SoftDeleteConflictController Trait
 *
 * This trait provides controller methods for handling soft delete conflicts in the UI.
 */
trait SoftDeleteConflictController
{
    /**
     * Check if a record would conflict with a soft-deleted record.
     *
     * @param Request $request
     * @param string $modelClass The fully qualified class name of the model
     * @return JsonResponse
     */
    public function checkSoftDeleteConflict(Request $request, string $modelClass): JsonResponse
    {
        if (!class_exists($modelClass)) {
            return response()->json([
                'success' => false,
                'message' => 'Invalid model class provided',
            ], 400);
        }

        try {
            // Create a new instance of the model
            /** @var Model $model */
            $model = new $modelClass();

            // Ensure the model uses SoftDeleteResolution trait
            if (!method_exists($model, 'findSoftDeletedDuplicate')) {
                return response()->json([
                    'success' => false,
                    'message' => 'Model does not support soft delete conflict resolution',
                ], 400);
            }

            // Only include fields that are present in request
            $attributes = $request->only($model->getFillable());

            // If editing an existing record, pass the ID to exclude it from the check
            if ($request->has('id')) {
                $attributes['id'] = $request->input('id');
            }

            // Check for soft-deleted duplicate
            $duplicate = $model->findSoftDeletedDuplicate($attributes);

            if ($duplicate) {
                // Return details about the conflicting record
                return response()->json([
                    'success' => true,
                    'conflict' => true,
                    'message' => 'A deleted record with the same unique identifier exists.',
                    'duplicate' => [
                        'id' => $duplicate->getKey(),
                        'attributes' => $duplicate->toArray(),
                        'deleted_at' => $duplicate->deleted_at->format('Y-m-d H:i:s'),
                    ],
                ]);
            }

            // No conflict found
            return response()->json([
                'success' => true,
                'conflict' => false,
                'message' => 'No conflict found',
            ]);
        } catch (\Exception $e) {
            Log::error('Error checking for soft delete conflict', [
                'error' => $e->getMessage(),
                'model' => $modelClass,
                'data' => $request->all(),
            ]);

            return response()->json([
                'success' => false,
                'message' => 'An error occurred while checking for conflicts',
                'error' => $e->getMessage(),
            ], 500);
        }
    }

    /**
     * Resolve a soft delete conflict by restoring the deleted record.
     *
     * @param Request $request
     * @param string $modelClass The fully qualified class name of the model
     * @param mixed $id The ID of the soft-deleted record to restore
     * @return JsonResponse
     */
    public function resolveSoftDeleteConflict(Request $request, string $modelClass, $id): JsonResponse
    {
        if (!class_exists($modelClass)) {
            return response()->json([
                'success' => false,
                'message' => 'Invalid model class provided',
            ], 400);
        }

        try {
            // Attempt to find the soft-deleted record
            /** @var Model $model */
            $modelInstance = new $modelClass();

            // Ensure the model uses SoftDeleteResolution trait
            if (!method_exists($modelInstance, 'restoreSoftDeletedRecord')) {
                return response()->json([
                    'success' => false,
                    'message' => 'Model does not support soft delete conflict resolution',
                ], 400);
            }

            $deletedRecord = $modelClass::withTrashed()->find($id);

            if (!$deletedRecord) {
                return response()->json([
                    'success' => false,
                    'message' => 'Deleted record not found',
                ], 404);
            }

            if (!$deletedRecord->trashed()) {
                return response()->json([
                    'success' => false,
                    'message' => 'Record is not deleted',
                ], 400);
            }

            // Only include fields that are present in request and fillable
            $attributes = $request->only($modelInstance->getFillable());

            // Restore the record with updated attributes
            $restored = $modelInstance->restoreSoftDeletedRecord($deletedRecord, $attributes);

            if (!$restored) {
                return response()->json([
                    'success' => false,
                    'message' => 'Failed to restore record',
                ], 500);
            }

            return response()->json([
                'success' => true,
                'message' => 'Record restored successfully',
                'record' => $restored->fresh()->toArray(),
            ]);
        } catch (\Exception $e) {
            Log::error('Error restoring soft-deleted record', [
                'error' => $e->getMessage(),
                'model' => $modelClass,
                'id' => $id,
                'data' => $request->all(),
            ]);

            return response()->json([
                'success' => false,
                'message' => 'An error occurred while restoring the record',
                'error' => $e->getMessage(),
            ], 500);
        }
    }
}