<?php

namespace App\Http\Controllers\Api;

use App\Models\Configuration;
use Symfony\Component\HttpFoundation\Response;

class ConfigurationController extends BaseApiController
{
    protected Configuration $config;

    public function __construct()
    {
        parent::__construct();
        $this->config = model(Configuration::class);
    }

    public function index()
    {
        $page    = max(1, (int) ($this->request->getGet('page') ?? 1));
        $perPage = min(100, max(1, (int) ($this->request->getGet('per_page') ?? 20)));
        $key     = $this->request->getGet('key');

        $query = $this->config->newQuery()->orderBy('id', 'ASC');
        if ($key) {
            $query->where('config_key', 'LIKE', '%' . $key . '%');
        }

        $result = $this->paginate($query, $page, $perPage);
        return $this->success($result, 'Configurations retrieved successfully');
    }

    public function show($id = null)
    {
        $config = $this->config->find($id);
        if (!$config) {
            return $this->respondError('Configuration not found', Response::HTTP_NOT_FOUND);
        }

        return $this->success($config, 'Configuration retrieved successfully');
    }

    public function getByKey($key = null)
    {
        $config = $this->config->where('config_key', $key)->first();
        if (!$config) {
            return $this->respondError('Configuration not found', Response::HTTP_NOT_FOUND);
        }

        return $this->success($config, 'Configuration retrieved successfully');
    }

    public function create()
    {
        $data = $this->payloadData();
        if (empty($data)) {
            return $this->respondError('Invalid request data', Response::HTTP_BAD_REQUEST);
        }

        $rules = [
            'config_key'   => 'required|string|max_length[255]|is_unique[configuration.config_key]',
            'config_value' => 'required',
        ];

        $errors = $this->validateRequest($data, $rules);
        if (!empty($errors)) {
            return $this->respondValidationError($errors);
        }

        try {
            $config = $this->config->create([
                'config_key'   => $data['config_key'],
                'config_value' => $data['config_value'],
            ]);
        } catch (\Throwable $e) {
            log_message('error', 'Configuration creation error: ' . $e->getMessage());
            return $this->respondError('Failed to create configuration', Response::HTTP_INTERNAL_SERVER_ERROR);
        }

        return $this->respondCreated([
            'id'   => $config->id,
            'data' => $config,
        ], 'Configuration created successfully');
    }

    public function update($id = null)
    {
        $config = $this->config->find($id);
        if (!$config) {
            return $this->respondError('Configuration not found', Response::HTTP_NOT_FOUND);
        }

        $data = $this->payloadData();
        if (empty($data)) {
            return $this->respondError('Invalid request data', Response::HTTP_BAD_REQUEST);
        }

        $updateData = array_intersect_key($data, array_flip(['config_key', 'config_value']));
        if (empty($updateData)) {
            return $this->respondError('No valid fields to update', Response::HTTP_BAD_REQUEST);
        }

        try {
            $config->fill($updateData);
            $config->save();
        } catch (\Throwable $e) {
            log_message('error', 'Configuration update error: ' . $e->getMessage());
            return $this->respondError('Failed to update configuration', Response::HTTP_INTERNAL_SERVER_ERROR);
        }

        return $this->success($config->fresh(), 'Configuration updated successfully');
    }

    public function delete($id = null)
    {
        $config = $this->config->find($id);
        if (!$config) {
            return $this->respondError('Configuration not found', Response::HTTP_NOT_FOUND);
        }

        try {
            $config->delete();
        } catch (\Throwable $e) {
            log_message('error', 'Configuration deletion error: ' . $e->getMessage());
            return $this->respondError('Failed to delete configuration', Response::HTTP_INTERNAL_SERVER_ERROR);
        }

        return $this->success(null, 'Configuration deleted successfully');
    }

    public function listData()
    {
        $configs = $this->config->newQuery()
            ->orderBy('id', 'ASC')
            ->get()
            ->map(function ($row) {
                return [
                    'id'           => (int) ($row->id ?? 0),
                    'config_key'   => (string) ($row->config_key ?? ''),
                    'config_value' => (string) ($row->config_value ?? ''),
                ];
            })
            ->values()
            ->toArray();

        return $this->success(['configs' => $configs], 'Configuration list retrieved');
    }
}